Envision Series 30 Ton Installation Manual

Transcription

1 OMMEIAL 30 TON Water Source/eothermal Heat Pump -410A efrigerant ommercial 30 TON Installation Information Water Piping onnections Hot Water onnections Electrical Startup Procedures Troubleshooting Envision Series 30 Ton Installation Manual Preventive Maintenance IM2521AN 10/15

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3 ENVISION SEIES 30 TON INSTALLATION MANUAL Table of ontents Model Nomenclature eneral Installation Information Dimensional Data Duct System Water Piping ondensate Drain Water Quality System leaning and Flushing Freeze Detection Electrical onnections Electrical Data Blower Performance Data Take-a-part Equipment Wiring Schematics ontrols Unit Startup Operating Limits Operating Parameters Pressure Drop eference alculations and Legend efrigerant ircuit uideline ompressor and Thermistor esistance Troubleshooting Preventive Maintenance and eplacement Parts Service Parts evision uide

4 ENVISION SEIES 30 TON INSTALLATION MANUAL Model Nomenclature W A5 D V 360 * T A B A 0 1 F 1 A 2 SSS Brand W WaterFurnace 60Hz Model Type A5 ommercial Water-to-Air Large Packaged ompressor Type D Dual Single Stage Scroll abinet onfiguration V Vertical T Vertical Take-a-Part 1 Vertical with Factory Installed WSE 3 Vertical Take-a-Part with Factory Installed WSE Unit apacity (MBTUH) 360 Vintage * Factory Use Only Supply onfiguration T Top Upflow S Side Discharge eturn onfiguration ight Hand L Left Hand Voltage /60/ /60/ /60/3 Electrical Option A Non-Fused Disconnect, Phase uard Fused Disconnect, Phase uard Notes: 1 Not available with cabinet configuration 1 or 3 Non-Standard Options SSS None Drain Pan Option 2 Stainless Steel Filter Option A Standard, MEV4 B MEV13 Air oil Option 1 All-Aluminum, Uncoated 2 All-Aluminum, AlumiSeal Blower Option F VFD Motor/Standard Static Water ontrol Option 1 Standard, None 2 Motorized Isolation Valve 1 Water oil Option opper, Uninsulated D opper, Insulated N upronickel, Uninsulated P upronickel, Insulated efrigeration Option 0 Standard, None 6 Hot as Bypass 7 Hot as eheat 8 Hot as Bypass with Hot as eheat abinet Option A Standard, Painted Sound Kit Option B Standard, Sound Kit ontrol Option A Aurora Base ontrol E Aurora Base ontrol with Aurora UP DD F Aurora Base ontrol with Aurora UP DD with N ev.: 04 March 2015D 4

5 ENVISION SEIES 30 TON INSTALLATION MANUAL eneral Installation Information Initial Inspection Initial inspection of the all equipment upon arrival shall be done to ensure there is no damage that occurred during shipping or storage of the product before being installed on-site. Upon receipt of equipment the following checks should occur: 1. Verify shipment versus bill of lading 2. heck order to ensure all equipment is received 3. Inspect all panels and electrical boxes for damage 4. omplete a full assessment of the delivery It is the responsibility of the recipient of the equipment to file all necessary claims with the carrier. In addition, contact and notification with WaterFurnace should be made IMMEDIATELY if any items are damaged or missing. Safety onsiderations WANIN: Before performing service or maintenance operations on a system, turn off main power switches to the indoor unit. If applicable, turn off the accessory heater power switch. Electrical shock could cause personal injury. Installing and servicing heating and air conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install, repair or service heating and air conditioning equipment. Untrained personnel can perform the basic maintenance functions of cleaning coils and cleaning and replacing filters. All other operations should be performed by trained service personnel. When working on heating and air conditioning equipment, observe precautions in the literature, tags and labels attached to the unit and other safety precautions that may apply. rane Lifting Proper rigging with a spreader frame shall be used when craning equipment to prevent damage from chains. Unit Location Provide sufficient room to make water and electrical connections. If the unit is located in a confined space, provisions must be made for unit servicing. Locate the unit in an indoor area that allows easy removal of the access panels and has enough space for service personnel to perform maintenance or repair. These units are not approved for outdoor installation and, therefore, must be installed inside the structure being conditioned. Do not locate units in areas subject to freezing conditions. WANIN: Do not store or install units in corrosive environments or in locations subject to temperature or humidity extremes (e.g. attics, garages, rooftops, etc.). orrosive conditions and high temperature or humidity can significantly reduce performance, reliability, and service life. Installation equirements WANIN: Equipment must be commissioned by qualified service personnel. Installation must comply with all local and national codes. Failure to comply with these requirements will void the warranty. Equipment shall be placed on a flat, level surface that is capable of fully supporting the weight of the equipment. The foundation should be designed such that vibration is minimal. Applications that require less vibration transmission and overall quieter installation should use vibration isolators under the base of the equipment. Follow all safety codes. Wear safety glasses and work gloves. Use a quenching cloth for brazing operations and have a fire extinguisher available. Handling and Storage Equipment shall be stored in a clean dry area, indoors and in an upright position at all times, and cannot be stacked for any reason. Protective panels should not be removed until start-up other than initial inspection of the equipment. Move equipment in the normal Up orientation. Equipment is setup to be lifted from the side using a fork lift. WANIN: To avoid equipment damage, do not leave the system filled in a building without heat during cold weather, unless adequate freeze protection levels of antifreeze are used. Heat exchangers do not fully drain and will freeze unless protected, causing permanent damage. 5

6 6 ENVISION SEIES 30 TON INSTALLATION MANUAL Dimensional Data

7 ENVISION SEIES 30 TON INSTALLATION MANUAL Dimensional Data cont. 7

8 8 ENVISION SEIES 30 TON INSTALLATION MANUAL Dimensional Data cont.

9 9 ENVISION SEIES 30 TON INSTALLATION MANUAL Dimensional Data with Waterside Economizer

10 ENVISION SEIES 30 TON INSTALLATION MANUAL Dimensional Data with Waterside Economizer cont. 10

11 ENVISION SEIES 30 TON INSTALLATION MANUAL Duct System An air outlet collar is provided on vertical top flow units to facilitate a duct connection. A flexible connector is recommended for discharge and return air duct connections on metal duct systems. Uninsulated duct should be insulated with a minimum of 1-inch duct insulation. Application of the unit to uninsulated ductwork in an unconditioned space is not recommended as the unit s performance will be adversely affected. If the unit is connected to existing ductwork, check the duct system to ensure that it has the capacity to accommodate the air required for the unit application. If the duct is too small, as in the replacement of heating only systems, larger ductwork should be installed. All existing ductwork should be checked for leaks and repaired if necessary. The duct system should be sized to handle the design airflow quietly and efficiently. To maximize sound attenuation of the unit blower, the supply and return plenums should include an internal duct liner of fiberglass or constructed of ductboard for the first few feet. On systems employing a sheet metal duct system, canvas connectors should be used between the unit and the ductwork. If air noise or excessive airflow is a problem, the blower speed can be changed. Water Piping The proper water flow must be provided to each unit whenever the unit operates. To assure proper flow, use pressure/temperature ports to determine the flow rate. These ports should be located at the supply and return water connections on the unit. The proper flow rate cannot be accurately set without measuring the water pressure drop through the refrigerant-to-water heat exchanger. All source water connections on commercial units are fittings that accept a male pipe thread (MPT). Insert the connectors by hand, then tighten the fitting with a wrench to provide a leakproof joint. When connecting to an open loop (groundwater) system, thread any copper MPT fitting into the connector and tighten in the same manner as described above. ondensate Drain All units come with a 7/8 stainless steel tube stubbed from the side of the control box side of the equipment. Units must be pitched with a 1/8 per foot slope towards the towards the drain tube. An external trap is required to be installed and a vent is recommended as shown in the figure below. Drain onnection oupling Vent (if needed) Tube stub 1/8 in. per foot Tube stub 1.5 in. 1.5 in. 11

12 ENVISION SEIES 30 TON INSTALLATION MANUAL Water Quality In ground water situations where scaling could be heavy or where biological growth such as iron bacteria will be present, a closed loop system is recommended. The heat exchanger coils in ground water systems may, over a period of time, lose heat exchange capabilities due to a buildup of mineral deposits inside. These can be cleaned, but only by a qualified service mechanic, as special solutions and pumping equipment are required. Hot water generator coils can likewise become scaled and possibly plugged. In areas with extremely hard water, the owner should be informed that the heat exchanger may require occasional flushing. Failure to adhere to the guidelines in the water quality table could result in loss of warranty. Units with cupronickel heat exchangers are recommended for open loop applications due to the increased resistance to build-up and corrosion, along with reduced wear caused by acid cleaning. Material opper 90/10 upronickel 316 Stainless Steel ph Acidity/Alkalinity Scaling alcium and (Total Hardness) (Total Hardness) (Total Hardness) Magnesium arbonate less than 350 ppm less than 350 ppm less than 350 ppm Hydrogen Sulfide Less than 0.5 ppm (rotten egg smell appears at 0.5 ppm) ppm Less than 1 ppm Sulfates Less than 125 ppm Less than 125 ppm Less than 200 ppm hlorine Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm hlorides Less than 20 ppm Less than 125 ppm Less than 300 ppm arbon Dioxide Less than 50 ppm ppm ppm orrosion Ammonia Less than 2 ppm Less than 2 ppm Less than 20 ppm Ammonia hloride Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm Ammonia Nitrate Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm Ammonia Hydroxide Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm Ammonia Sulfate Less than 0.5 ppm Less than 0.5 ppm Less than 0.5 ppm Total Dissolved Solids (TDS) Less than 1000 ppm ppm ppm LSI Index +0.5 to to to -0.5 Iron, FE 2 + (Ferrous) Iron Fouling Bacterial Iron Potential < 0.2 ppm < 0.2 ppm < 0.2 ppm (Biological rowth) Less than 1 ppm, above this Less than 1 ppm, above this Less than 1 ppm, above this Iron Oxide level deposition will occur level deposition will occur level deposition will occur Suspended Solids Erosion Threshold Velocity (Fresh Water) NOTES: rains = ppm divided by 17 mg/l is equivalent to ppm Less than 10 ppm and filtered for max. of 600 micron size Less than 10 ppm and filtered for max. of 600 micron size Less than 10 ppm and filtered for max. of 600 micron size < 6 ft/sec < 6 ft/sec < 6 ft/sec 2/22/12 12

13 ENVISION SEIES 30 TON INSTALLATION MANUAL System leaning and Flushing leaning and Flushing Prior to start up of any heat pump, the water circulating system must be cleaned and flushed of all dirt and debris. If the system is equipped with water shutoff valves, the supply and return runouts must be connected together at each unit location (This will prevent the introduction of dirt into the unit, see Flushing with Water Shutoff Valve Equipped Systems illustration). The system should be filled at the water make-up connection with all air vents open. After filling, vents should be closed. The contractor should start the main circulator with the pressure reducing valve makeup open. Vents should be checked in sequence to bleed off any trapped air and to verify circulation through all components of the system. As water circulates through the system, the contractor should check and repair any leaks found in the piping system. Drain(s) at the lowest point(s) in the system should be opened for initial flush and blowdown, making sure water fill valves are set at the same rate. heck the pressure gauge at the pump suction and manually adjust the makeup water valve to hold the same positive pressure both before and after opening the drain valves. Flushing should continue for at least two hours, or longer if required, until drain water is clean and clear. The supplemental heater and/or circulator pump, if used, should be shut off. All drains and vents should be opened to completely drain the system. Short-circuited supply and return runouts should now be connected to the unit supply and return connections. Flushing with Water Shutoff Valve Equipped Systems eturn unout Supply unout ubber Hose unouts Initially onnected Together Mains efill the system with clean water. Test the system water for acidity and treat as required to leave the water slightly alkaline (ph 7.5 to 8.5). The specified percentage of antifreeze may also be added at this time. Use commercial grade antifreeze designed for HVA systems only. Environol brand antifreeze is recommended. Once the system has been filled with clean water and antifreeze (if used), precautions should be taken to protect the system from dirty water conditions. Dirty water will result in system-wide degradation of performance, and solids may clog valves, strainers, flow regulators, etc. Additionally, the heat exchanger may become clogged which reduces compressor service life and can cause premature unit failure. In boiler/tower application, set the loop control panel set points to desired temperatures. Supply power to all motors and start the circulating pumps. After full flow has been established through all components including the heat rejector (regardless of season), air vented and loop temperatures stabilized, each of the units will be ready for check, test and start up and for air and water balancing. round Source Loop System heckout Once piping is completed between the unit pumping system and ground loop, final purging and charging of the loop is needed. A high pressure pump is needed to achieve adequate flow velocity in the loop to purge air and dirt particles from the loop itself. Antifreeze solution is used in most areas to prevent freezing. Flush the system adequately to remove as much air as possible; then pressurize the loop to a static pressure of PSI (summer) or PSI (winter). This is normally adequate for good system operation. Loop static pressure may decrease soon after initial installation, due to pipe expansion and loop temperature change. unning the unit for at least 30 minutes after the system has been completely purged of air will allow for the break-in period. It may be necessary to adjust static loop pressure (by adding water) after the unit has run for the first time. Loop static pressure will also fluctuate with the seasons. Pressures will be higher in the winter months than during the cooling season. This fluctuation is normal and should be considered when charging the system initially. Ensure the pump provides adequate flow through the unit by checking pressure drop across the heat exchanger. Usually gpm of flow per ton of cooling capacity is recommended in earth loop applications. 13

14 ENVISION SEIES 30 TON INSTALLATION MANUAL Freeze Detection For Aurora Base ontrol, set SW2-1, FP1, on the printed circuit board for applications using a closed loop antifreeze solution to 15 F [-9.4 ]. On applications using an open loop/ground water system (or closed loop no antifreeze), set this dip switch to 30 F [-1.1 ], the factory default setting. (efer to the Dip Switch Field Selection table). Electrical onnections eneral Be sure the available power is the same voltage and phase as that shown on the unit serial plate. Line and low voltage wiring must be done in accordance with local codes or the National Electric ode, whichever is applicable. 230 Volt Operation All V units are factory wired for 208 Volt operation. For 230V operation, the blue and red transformer wires must be switched Variable Frequency Drive Operation All unis come equipped with a variable frequency drive (VFD) that controls the blower motor speed. The LD display for the VFD is located in the control box to allow for manual adjustment of the blower speed. It is recommended to leave the factory settings in the drive. In the event that additional parameters need accessed, please consult the VFD user guide that can be found on the manufacturer website. Additionally, a user guide is shipped with the equipment. Aurora Base ontrol Box with UP Optional fused electrical disconnect 24VA transformer ube fuses Aurora Base ontrol with optional Aurora Expansion Board ompressor contactor UP DD ontrol 14

15 ENVISION SEIES 30 TON INSTALLATION MANUAL Electrical Data Model ated Voltage Min/Max ompressor* M LA LA Fan Motor FLA* Fan HP Total Unit FLA*** Min irc Amp**** Max Fuse / HA /60/3 187/ /60/3 414/ /60/3 518/ * atings per each compressor - unit supplied with two 5/21/2015 ** atings per each fan motor - unit supplied with two. *** Based on compressor LA and maximum continuous input current of VFD **** Based on compressor LA and VFD maximum continuous input current HA circuit breaker in USA only 15

16 ENVISION SEIES 30 TON INSTALLATION MANUAL Blower Performance Data Airflow in FM with dry coil and clean air filter. For applications requiring higher static pressures, contact your local representative. Performance data does not include drive losses and is based on sea level conditions. Do not operate in gray region. na = information not available at time of printing. All airflow is rated at lowest Voltage if unit is dual Voltage rated, i.e. 208V for V units. For wet coil performance first calculate the face velocity of the air coil (Face Velocity [fpm] = Airflow [cfm] / Face Area [sq ft]). Then for velocities of 200 fpm reduce the static capability by 0.03 in. wg, 300 fpm by 0.08 in. wg, and 400 fpm by 0.12 in. wg. 16

17 ENVISION SEIES 30 TON INSTALLATION MANUAL Take-a-Part Equipment Equipment with the optional take-a-part design come with factory installed refrigerant quick disconnects to be able to disconnect the air handling section from the compressor section without removing refrigerant from the system. These disconnects shall be loosened from the air handling cabinet by loosening the top disconnect fitting. In order to remove the air handling section, the following steps must be followed: 1. Loosen all refrigerant quick disconnect fittings in the air handling section. 2. emove all bolts connecting the air handling section to the compressor section. 3. Locate VFD wires, compressor wires, and low voltage wiring that connect to through the bottom or side of the control box. These wires must be carefully removed from inside the control box prior to disconnect the air handling section. 4. The air handling section should now be ready for removal. 17

18 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics Aurora ontrol with UP - Dual ompressor Orange ed White Black To AB-A - P8 Blue reen Brown Yellow To AB-B - P8 Orange ed Blue reen BAnet or N2 Network onnections Devices Must Be Wired in Daisy hain onfiguration White Black Brown Yellow Optional N Add-On Module N O NET+ NET- NET- OM NET+ OM NET+ NET- POWE ND 24 VA N Network onnections OM NET+ LED1 TX LED2 X LED3 POWE FOMAT BATT Devices Must Be Wired in Daisy hain onfiguration 2 1 Service LED1 LED2 Tx LED3 x Net LED4 1 2 EHEN NET- N/ N/ Signal ND NET+ NET- +12V NET LED7 2W X 4W ND LN+ LN- +12 /S N ADAPTE POT LED6 TX AL AESS LED4 LED5 UN E ON TEN S ONE S ommunication Options NOTE 1 MA Address Setting 1 2 ZS Sensor 1 Addr: 0 ND NET+ NET- +12V ZS Sensor 2 Addr: 1 ND NET+ NET- +12V ZS Sensor 3 Addr: 2 ND NET+ NET- +12V ZS Sensor Information Zone Sensors can be wired in daisy chain as show or in a star or hybrid configuration. Maximum of 5 sensors per UP. Maximum allowable load 210mA. See the UP install manual for possible sensor combinations. Notes 1. Use DIP Switches 5 8 to change communication protocol and DIP switches 1 2 to change BAnet baud rate DIP Switch Value ON Each ZS sensor must have a unique address, but the addresses do not need to be sequential. Use the DIP switches on the back of the ZS sensor to set an address from 0 to 4. (0 is the factory default.) Each DIP switch has the value shown in the figure to the left. Turn on as many DIP switches as you need so that their total value equals the address. Legend Factory Low Voltage Wiring Field Low Voltage Wiring J45 onnector Page 1 18

19 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. Aurora ontrol with Waterside Economizer without UP - Dual ompressor TB3 T (+)BIN (-) OM (+)SEN A419 Temperature ontroller TB1 TB2 O/B omp T1 T2 N NO Pin Number Designation on Twist-Lock onnector 24V 3-Way Valve Factory Low Voltage Wiring round elay ontacts N.O., N.. Thermistor elay oil TB1 Terminal Block 1 TB2 Terminal Block 2 TB3 Terminal Block 3 NO Normally Open N Normally losed 1 elay PB1 Power block 1 PB2 Power block 2 Polarized connector 19

20 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. With UP and Waterside Economizer LAT Thermistor Array ray (19) ray (18) EX-21 ed (48) EX-25 Black (52) EX-22 Orange (49) EX-23 White (50) EX-24 White (51) N.. ed (26) Pink (53) Tan (36) P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES T T T T EX-26 EX-9 EH1 2 F K5-Alarm elay K6-Acc elay ray (19) ray (18) White (24) B Black (25) White (24) P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Violet (20) 1 Black (21) K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 1 (AB1) EX-1 EX-2 EX-3 EX-4 EV EV FP1 FP1 FP2 FP2 LPS LPS HPS HPS P4 K1-V elay SW1 Test Mode S485 EXP - + P6 O EH1 EH2 P3 Orange (28) Orange (29) Yellow (30) Yellow (31) ray (18) ray (19) Blue (32) Blue (33) Black (34) Black (35) Status LED3 EX-5 EX-6 EX-7 EX-8 F1-3A PWM FM Fault LED1 P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y F EX-27 Pink (54) Brown (16) ondensate Brown (11) WSE ondensate EX-10 Tan (37) V1 FD1 LP1 HP1 H1 Note 2 V2 FD2 LP2 HP2 H2 Note 2 N.. N.. N.. N.. N.. ISOL Note 2 EWT Note 3 WSE UP (DD) Interface [Note 4] Valve T Valve Valve T Valve Valve T Valve Orange (59) Orange (60) Yellow (61) Yellow (62) Blue (63) Blue (64) Black (65) Black (66) Tan (67) Tan (68) Orange/White (69) Orange/White (70) Yellow/White (71) Yellow/White (72) Blue/White (73) Blue/White (74) Black/White (75) Black/White (76) Tan/White (77) Tan/White (78) ed (108) Violet (110) Yellow (111) Blue (112) Orange (109) Pink (79) Pink (80) ray/white (81) ray/white (82) Pink/White (83) Pink/White (84) EX onnector (twist lock) White (24) ed/white (27) EX-31 EX-20 Pink/White (57) Tan/White (46) P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES EH1 Pink/White (58) Tan/White (47) EX-30 EX-19 2 F K5-Alarm elay K6-Acc elay P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Violet (22) 2 Black (23) K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 2 (AB2) EV EV FP1 FP1 FP2 FP2 LPS LPS HPS HPS P4 K1-V elay SW1 Test Mode Status LED3 F1-3A F PWM Fault LED1 P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y S485 EXP - + P6 O EH1 EH2 P3 ondensate WSE ondensate Brown (17) Brown (12) Notes: EX-11 EX-12 EX-13 EX-14 EX-28 EX-29 EX-15 EX-16 EX-17 EX-18 Orange/White (38) Orange/White (39) Yellow/White (40) Yellow/White (41) ray/white (55) ray/white (56) Blue/White (42) Blue/White (43) Black/White (44) Black/White (45) 1 P1 (screw terminals) and P9 (Molex connector) are adjacent and share common terminals in the same order. 2 Optional isolation or reheat valve. If valve is not present, wires are not connected and tied off. FM White 97P /20/15 3 Sensor MUST be fastened to water line. This will provide feedback for controlling the waterside economizer valve. 4 See supplemental schematic for UP connections. 20

21 1 2 3 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. With UP and Waterside Economizer Phase uard Monitor (PM) Black (AN) White (AP) ed (AQ) Black () White (H) ed(j) Unit Power Supply Disconnect (fused disconnect optional) L1 F1 F2 F3 L2 L3 Black(D) White(E) ed(f) Disconnect handle (through the door) ed() White(B) Black(A) ompressor 1 (closest to control box) ed (AA) T3 L3 T3 reen / Yellow (1) T2 L2 T2 T1 White (AB) 1 T1 L1 ompressor 2 ed (AD) Black (A) T3 L3 T3 reen / Yellow (2) T2 L2 T2 T1 White (AE) 2 T1 L1 Black (AF) ed (A) (closest to control box) reen / Yellow (3) Belt Drive Blower Motor 1 White (AH) L3 L2 L1 F15 F14 F13 L3 ed (U ) L2 L1 Black (W) White (V) Black (AJ) Motor 1 Fuses ed (AK) Motor 2 Fuses reen / Yellow (4) Belt Drive Blower Motor 2 White (AL) L3 L2 L1 F18 F17 F16 Black (AM) L3 L2 L1 ed (X) White (Y) Black (Z) VFD Fuses F10 F11 F12 Black () ed (T) White (S) omp 2 Fuses F7 F8 F9 L1 Black (N) L2 L3 ed (Q) White (P) omp 1 Fuses F4 F5 F6 ed (M) ed (M) White (L) Black (K) White (L) Black (K) ed (Q) Black (N) White (P) VFD User Interface (located in control box) T3 T2 T1 Variable +24VD (12) Frequency Drive Digital In (18) (VFD) Digital In (27) L3 L2 L1 ed (13) Blue (14) B Blue (15) reen / Yellow (5) Black/White (8) Black/White (9) reen/yellow (4) Yellow (6) Yellow (7) reen/yellow (5) L1 PB Yellow (2) Y-OUT Black (3) PM Factory Low Voltage Wiring Factory Line Voltage Wiring Field Low Voltage Wiring Field Line Voltage Wiring Optional Block D Voltage PB Traces Field Zone Sensor Wiring Internal Junction Quick onnect Terminal Field Wiring Lug round elay ontacts N.O., N.. apacitor Fuse 1 ompressor 1 ontactor 2 ompressor 2 ontactor O ondensate Overflow Sensor ES Emergency Shutdown HP1 High Pressure Switch 1 HP2 High Pressure Switch 2 LP1 Low Pressure Switch 1 LP2 Low Pressure Switch 2 FD1 Freeze Detection Sensor 1 FD2 Freeze Detection Sensor 2 F1 Fuse Black/White Y Yellow Legend Yellow (1) T EX-XX Y 24V Transformer lass 2 Black (97) ed for 208V Blue for 230V ed for 460V Blue for 575V Thermistor elay oil Switch - ondensate Overflow Switch - High pressure Switch - Low pressure Polarized connector Light Emitting Diode - reen Light Emitting Diode - Yellow Light Emitting Diode - ed SW1 Push button SW2 DIP package 8 position B Blower elay V1 eversing Valve oil 1 V2 eversing Valve oil 2 PM Phase uard Monitor H eheat Valve oil Black (A) Black (AS) Pin Number Designation on Twist-Lock onnector F19 F HP HP LP LP FP2 FP2 FP1 FP1 EV EV P4 Factory Factory PWM FM EM PWM P13 SW1 Test V K1 K2 P5 Hi K3 HI Fan K4 F F Alarm K5 F Acc K6 JW2 - Alarm P2 Field onnections ES LS ALM AL A c A no A nc ed (T) Off On LED1 FP1 15 o F/30 o F 1 LED2 FP2 15 o F/30 o F 2 Y Fault V B/O 3 onfig A Dip 4 4 LED3 A Dip 5 5 Dual/Single 6 L Pulse/ontinuous 7 Status eheat/normal 8 SW2 P9 P1 Factory Use P11 White (S) ontrol Box Base Panel AUOA BASE ONTOL Factory Fan onnection O/B Field onnections O/B Black () reen / Yellow (10) Y2 W Y2 W DH DH ontrol Box Door om1 om2 3A-Fuse P3 Factory P6 S 485 EH1 S485 Exp P7 P8 S485 NET EH2 EH1 O N/A (+) (-) (+) (-) Accessory elay Operation SW2-4 SW2-5 ycle with Blower On On ycle with ompressor Off Off Water Valve Slow Open On Off Outdoor Air Damper Off On Aurora LED Flash odes Slow Flash 1 second on and 1 second off Fast Flash 100 milliseconds on and 100 milliseconds off Flash ode 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating andom Start Delay Status LED (LED1, reen) Fast Flash onfiguration LED (LED2, Yellow) Fast Flash Fault LED (LED3, ed) Fast Flash Status LED (LED1, reen) onfiguration LED (LED2, Yellow) Fault LED (LED3, ed) Normal Mode ON No Software Overide Flash EM Setting Normal Mode OFF ontrol is Non-Functional Test Mode Lockout Active Dehumidification Mode eserved eserved Load Shed ESD OFF Slow Flash Fast Flash Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 DIP Switch Overide EM onfigure Mode eset onfigure Mode Slow Flash Fast Flash Off Input Fault Lockout High Pressure Lockout Low Pressure Lockout Low Air oil Limit Lockout - FP2 Low Water oil Limit Lockout - FP1 eserved ondensate Overflow Lockout Over/Under Voltage Shutdown Flash ode 1 Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 Flash ode 7 Flash ode 8 eserved Flash ode 7 eserved Flash ode 9 eserved Flash ode 10 Air/Water oil Limit Sensor Error Flash ode 11 Aurora Timing Events Event Normal Mode Test Mode andom Start Delay 5 to 80 seconds 1 second ompressor On Delay 5 seconds < 1 second ompressor Minimum On Time 2 minutes 5 seconds ompressor Short ycle Delay 4 minutes 15 seconds Blower Off Delay 30 seconds 2 seconds Fault ecognition Delay High Pressure Start-Up Bypass Low Pressure Less than 1 second 2 minutes Less than 1 second 30 seconds Fault ecognition Delay Low Pressure 30 seconds 30 seconds Start-Up Bypass Low Water/Air oil Limit Fault ecognition Delay Low Water/Air oil Limit Fault ecognition Delay ondensate Overflow 2 minutes 30 seconds 30 seconds 30 seconds 30 seconds 30 seconds Thermostat all ecognition Time 2 seconds 2 seconds Auxiliary Heat Staging Delay Emergency Heat Staging Delay 5 minutes 2 minutes 20 seconds 7.5 seconds Water Valve Slow Open Delay 90 seconds 90 seconds eheat Delay 30 seconds 30 seconds 21

22 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. Without UP, Without Waterside Economizer LAT Thermistor Array ray (19) ray (18) TB Emerg Shutdown Load Shed Lockout ircuit A 24VA 24VA ommon eversing Valve Fan ompressor A Electric Heat Dehumidification Lockout ircuit B ompressor B EX-22 EX-23 EX-24 White (51) ES LS 1 O W DH 2 Y2 EX-21 ed (48) EX-25 Black (52) Orange (49) White (50) ed (26) Pink (53) Tan (36) P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) EX-27 ES T T T T EX-26 EX-9 EH1 Pink (54) EX-10 Tan (37) 2 F K5-Alarm elay K6-Acc elay ray (19) ray (18) White (24) B Black (25) White (24) P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Violet (20) 1 Black (21) K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 1 (AB1) EVEV FP1 FP1 FP2 FP2 LPS LPS HPSHPS P4 K1-V elay SW1 Test Mode S485 EXP - + P6 O EH1 EH2 P3 Brown (16) EX-1 EX-2 EX-3 EX-4 Orange (28) Orange (29) Yellow (30) Yellow (31) ray (18) ray (19) Blue (32) Blue (33) Black (34) Black (35) Status LED3 ondensate EX-5 EX-6 EX-7 EX-8 Fault LED1 F1-3A PWM FM P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y Brown (11) F WSE ondensate White (24) EX-11 EX-12 EX-13 EX-14 EX-28 EX-29 EX-15 EX-16 EX-17 EX-18 Pink/White (57) Tan/White (46) EX-30 EX-19 Violet (22) 2 Black (23) Orange/White (38) Orange/White (39) Yellow/White (40) Yellow/White (41) ray/white (55) ray/white (56) Blue/White (42) Blue/White (43) Black/White (44) Black/White (45) V1 FD1 LP1 HP1 H1 Note 2 V2 FD2 LP2 HP2 H2 Note 2 N.. N.. N.. N.. N.. ISOL Note 2 EWT Note 3 N.. N.. Valve T Valve Valve T Valve Valve T Orange (59) Orange (60) Yellow (61) Yellow (62) Blue (63) Blue (64) Black (65) Black (66) Tan (67) Tan (68) Orange/White (69) Orange/White (70) Yellow/White (71) Yellow/White (72) Blue/White (73) Blue/White (74) Black/White (75) Black/White (76) Tan/White (77) Tan/White (78) ed (108) Violet (110) Yellow (111) Blue (112) Orange (109) Pink (79) Pink (80) ray/white (81) ray/white (82) Pink/White (83) Pink/White (84) EX onnector (twist lock) ed/white (27) EX-31 EX-20 P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES EH1 Pink/White (58) Tan/White (47) 2 F K5-Alarm elay K6-Acc elay P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 2 (AB2) EV EV FP1 FP1 FP2 FP2 LPS LPS HPS HPS P4 K1-V elay SW1 Test Mode S485 EXP - + P6 O EH1 EH2 P3 Brown (17) Notes: Status LED3 1 P1 (screw terminals) and P9 (Molex connector) are adjacent and share common terminals in the same order. 2 Optional isolation or reheat valve. If valve is not present, wires are not connected and tied off. ondensate Fault LED1 F1-3A PWM FM P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y Brown (12) F WSE ondensate White 3 Not used unless WSE and UP is present. Otherwise, sensor is NOT fastened to water line and measures ambient air. 22

23 1 2 3 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. Without UP, Without Waterside Economizer Phase uard Monitor (PM) Unit Power Supply Disconnect (fused disconnect optional) F1 F2 F3 Disconnect handle (through the door) ompressor 1 (closest to control box) T3 reen / Yellow (1) T2 T1 ompressor 2 T3 reen / Yellow (2) T2 T1 (closest to control box) reen / Yellow (3) Belt Drive Blower Motor 1 ed (A) White (AH) Black (AJ) ed (AK) reen / Yellow (4) Belt Drive Blower Motor 2 White (AL) Black (AM) L3 L2 L1 L3 L2 L1 Black (AN) White (AP) ed (AQ) Black () White (H) ed(j) L1 L2 L3 Black(D) White(E) ed(f) ed() White(B) Black(A) ed (AA) T3 L3 White (AB) T2 L2 1 T1 L1 ed (AD) Black (A) T3 L3 White (AE) T2 L2 2 T1 L1 Black (AF) F15 F14 F13 L3 ed (U ) L2 L1 Black (W) White (V) Motor 1 Fuses Motor 2 Fuses F18 F17 F16 L3 L2 L1 ed (X) White (Y) Black (Z) VFD Fuses F10 F11 F12 Black () ed (T) White (S) omp 2 Fuses F7 F8 F9 L1 Black (N) L2 L3 ed (Q) White (P) omp 1 Fuses F4 F5 F6 ed (M) ed (M) White (L) Black (K) White (L) Black (K) ed (Q) Black (N) White (P) VFD User Interface (located in control box) T3 T2 T1 Variable +24VD (12) Frequency Drive Digital In (18) (VFD) Digital In (27) L3 L2 L1 ed (13) Blue (14) B Blue (15) reen / Yellow (5) Black/White (8) Black/White (9) Yellow (6) Yellow (7) reen/yellow (4) reen/yellow (5) L1 PB Yellow (2) Y-OUT Factory Low Voltage Wiring Factory Line Voltage Wiring Field Low Voltage Wiring Field Line Voltage Wiring Optional Block D Voltage PB Traces Field Zone Sensor Wiring Internal Junction Quick onnect Terminal Field Wiring Lug round elay ontacts N.O., N.. apacitor Fuse 1 ompressor 1 ontactor 2 ompressor 2 ontactor O ondensate Overflow Sensor ES Emergency Shutdown HP1 High Pressure Switch 1 HP2 High Pressure Switch 2 LP1 Low Pressure Switch 1 LP2 Low Pressure Switch 2 FD1 Freeze Detection Sensor 1 FD2 Freeze Detection Sensor 2 F1 Fuse Black (3) PM Black/White Y Legend T EX-XX Y Yellow Yellow (1) 24V Transformer lass 2 Thermistor elay oil Switch - ondensate Overflow Switch - High pressure Switch - Low pressure Polarized connector Light Emitting Diode - reen Light Emitting Diode - Yellow Light Emitting Diode - ed SW1 Push button SW2 DIP package 8 position B Blower elay V1 eversing Valve oil 1 V2 eversing Valve oil 2 PM Phase uard Monitor H eheat Valve oil Black (A) Black (AS) Pin Number Designation on Twist-Lock onnector Black (97) ed for 208V Blue for 230V ed for 460V Blue for 575V 2 2 F19 F20 HP HP LP LP FP2 FP2 FP1 FP1 EV EV P4 Factory Factory PWM FM EM PWM P13 SW1 Test V K1 K2 P5 Hi K3 HI Fan K4 F F Alarm K5 F Acc K6 JW2 - Alarm P2 Field onnections ES LS ALM AL A c A no A nc ed (T) Off On LED1 FP1 15 o F/30 o F 1 LED2 FP2 15 o F/30 o F 2 Y Fault V B/O 3 onfig A Dip 4 4 LED3 A Dip 5 5 Dual/Single 6 L Pulse/ontinuous 7 Status eheat/normal 8 SW2 P9 P1 Factory Use P11 White (S) ontrol Box Base Panel AUOA BASE ONTOL Factory Fan onnection O/B Field onnections O/B Black () reen / Yellow (10) Y2 W Y2 W DH DH om1 om2 3A-Fuse ontrol Box Door P3 Factory P6 S 485 EH1 S485 Exp P7 P8 S485 NET EH2 EH1 O N/A (+) (-) (+) (-) Accessory elay Operation SW2-4 SW2-5 ycle with Blower On On ycle with ompressor Off Off Water Valve Slow Open On Off Outdoor Air Damper Off On Aurora LED Flash odes Slow Flash 1 second on and 1 second off Fast Flash 100 milliseconds on and 100 milliseconds off Flash ode 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating andom Start Delay Status LED (LED1, reen) Fast Flash onfiguration LED (LED2, Yellow) Fast Flash Fault LED (LED3, ed) Fast Flash Status LED (LED1, reen) onfiguration LED (LED2, Yellow) Fault LED (LED3, ed) Normal Mode ON No Software Overide Flash EM Setting Normal Mode OFF ontrol is Non-Functional Test Mode Lockout Active Dehumidification Mode eserved eserved Load Shed ESD OFF Slow Flash Fast Flash Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 DIP Switch Overide EM onfigure Mode eset onfigure Mode Slow Flash Fast Flash Off Input Fault Lockout High Pressure Lockout Low Pressure Lockout Low Air oil Limit Lockout - FP2 Low Water oil Limit Lockout - FP1 eserved ondensate Overflow Lockout Over/Under Voltage Shutdown Flash ode 1 Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 Flash ode 7 Flash ode 8 eserved Flash ode 7 eserved Flash ode 9 eserved Flash ode 10 Air/Water oil Limit Sensor Error Flash ode 11 Aurora Timing Events Event Normal Mode Test Mode andom Start Delay 5 to 80 seconds 1 second ompressor On Delay 5 seconds < 1 second ompressor Minimum On Time 2 minutes 5 seconds ompressor Short ycle Delay 4 minutes 15 seconds Blower Off Delay 30 seconds 2 seconds Fault ecognition Delay High Pressure Start-Up Bypass Low Pressure Less than 1 second 2 minutes Less than 1 second 30 seconds Fault ecognition Delay Low Pressure 30 seconds 30 seconds Start-Up Bypass Low Water/Air oil Limit Fault ecognition Delay Low Water/Air oil Limit Fault ecognition Delay ondensate Overflow 2 minutes 30 seconds 30 seconds 30 seconds 30 seconds 30 seconds Thermostat all ecognition Time 2 seconds 2 seconds Auxiliary Heat Staging Delay Emergency Heat Staging Delay 5 minutes 2 minutes 20 seconds 7.5 seconds Water Valve Slow Open Delay 90 seconds 90 seconds eheat Delay 30 seconds 30 seconds 23

24 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. With UP, Without Waterside Economizer LAT Thermistor Array ray (19) ray (18) EX-21 ed (48) EX-25 Black (52) EX-22 Orange (49) EX-23 White (50) EX-24 White (51) N.. ed (26) Pink (53) Tan (36) P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES T T T T EX-26 EX-9 EH1 2 F K5-Alarm elay K6-Acc elay ray (19) ray (18) White (24) B Black (25) White (24) P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Violet (20) 1 Black (21) K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 1 (AB1) EX-1 EX-2 EX-3 EX-4 EV EV FP1 FP1 FP2 FP2 LPS LPS HPS HPS P4 K1-V elay SW1 Test Mode S485 EXP - + P6 O EH1 EH2 P3 Orange (28) Orange (29) Yellow (30) Yellow (31) ray (18) ray (19) Blue (32) Blue (33) Black (34) Black (35) Status LED3 EX-5 EX-6 EX-7 EX-8 Fault LED1 F1-3A PWM FM P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y F EX-27 Pink (54) Brown (16) ondensate Brown (11) WSE ondensate EX-10 Tan (37) V1 FD1 LP1 HP1 H1 Note 2 V2 FD2 LP2 HP2 H2 Note 2 N.. N.. N.. N.. N.. ISOL Note 2 EWT Note 3 N.. N.. UP (DD) Interface [Note 4] Valve T Valve Valve T Valve Valve T Orange (59) Orange (60) Yellow (61) Yellow (62) Blue (63) Blue (64) Black (65) Black (66) Tan (67) Tan (68) Orange/White (69) Orange/White (70) Yellow/White (71) Yellow/White (72) Blue/White (73) Blue/White (74) Black/White (75) Black/White (76) Tan/White (77) Tan/White (78) ed (108) Violet (110) Yellow (111) Blue (112) Orange (109) Pink (79) Pink (80) ray/white (81) ray/white (82) Pink/White (83) Pink/White (84) EX onnector (twist lock) ed/white (27) EX-31 EX-20 White (24) Pink/White (57) Tan/White (46) P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES EH1 Pink/White (58) Tan/White (47) EX-30 EX-19 2 F K5-Alarm elay K6-Acc elay P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Violet (22) 2 Black (23) K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 2 (AB2) EV EV FP1 FP1 FP2 FP2 LPS LPS HPS HPS P4 K1-V elay SW1 Test Mode Status LED3 Fault LED1 F1-3A F PWM FM P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y S485 EXP - + P6 O EH1 EH2 P3 ondensate WSE ondensate Brown (17) Brown (12) Notes: EX-11 EX-12 EX-13 EX-14 EX-28 EX-29 EX-15 EX-16 EX-17 EX-18 Orange/White (38) Orange/White (39) Yellow/White (40) Yellow/White (41) ray/white (55) ray/white (56) Blue/White (42) Blue/White (43) Black/White (44) Black/White (45) 1 P1 (screw terminals) and P9 (Molex connector) are adjacent and share common terminals in the same order. 2 Optional isolation or reheat valve. If valve is not present, wires are not connected and tied off. White 3 Not used unless WSE and UP is present. Otherwise, sensor is NOT fastened to water line and measures ambient air. 97P /20/15 4 See supplemental schematic for UP connections. 24

25 1 2 3 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. With UP, Without Waterside Economizer Phase uard Monitor (PM) Unit Power Supply Disconnect (fused disconnect optional) F1 F2 F3 Disconnect handle (through the door) ompressor 1 (closest to control box) T3 reen / Yellow (1) T2 T1 ompressor 2 T3 reen / Yellow (2) T2 T1 ed (A) (closest to control box) reen / Yellow (3) Belt Drive Blower Motor 1 White (AH) Black (AJ) ed (AK) reen / Yellow (4) Belt Drive Blower Motor 2 White (AL) Black (AM) L3 L2 L1 L3 L2 L1 Black (AN) White (AP) ed (AQ) Black () White (H) ed(j) L1 L2 L3 Black(D) White(E) ed(f) ed() White(B) Black(A) ed (AA) T3 L3 White (AB) T2 L2 1 T1 L1 ed (AD) Black (A) T3 L3 White (AE) T2 L2 2 T1 L1 Black (AF) F15 F14 F13 L3 ed (U ) L2 L1 Black (W) White (V) Motor 1 Fuses Motor 2 Fuses F18 F17 F16 L3 L2 L1 ed (X) White (Y) Black (Z) VFD Fuses F10 F11 F12 Black () ed (T) White (S) omp 2 Fuses F7 F8 F9 L1 Black (N) L2 L3 ed (Q) White (P) omp 1 Fuses F4 F5 F6 ed (M) ed (M) White (L) Black (K) White (L) Black (K) ed (Q) Black (N) White (P) VFD User Interface (located in control box) T3 T2 T1 Variable +24VD (12) Frequency Drive Digital In (18) (VFD) Digital In (27) L3 L2 L1 ed (13) Blue (14) B Blue (15) reen / Yellow (5) Black/White (8) Black/White (9) Yellow (6) Yellow (7) reen/yellow (4) reen/yellow (5) L1 PB1 Yellow (2) Y-OUT Factory Low Voltage Wiring Factory Line Voltage Wiring Field Low Voltage Wiring Field Line Voltage Wiring Optional Block D Voltage PB Traces Field Zone Sensor Wiring Internal Junction Quick onnect Terminal Field Wiring Lug round elay ontacts N.O., N.. apacitor 1 ompressor 1 ontactor 2 ompressor 2 ontactor O ondensate Overflow Sensor ES Emergency Shutdown HP1 High Pressure Switch 1 HP2 High Pressure Switch 2 LP1 Low Pressure Switch 1 LP2 Low Pressure Switch 2 FD1 Freeze Detection Sensor 1 FD2 Freeze Detection Sensor 2 F1 Fuse Fuse Black (3) PM Y Legend Black/White T EX-XX Y Yellow Yellow (1) 24V Transformer lass 2 Thermistor elay oil Switch - ondensate Overflow Switch - High pressure Switch - Low pressure Polarized connector Light Emitting Diode - reen Light Emitting Diode - Yellow Light Emitting Diode - ed SW1 Push button SW2 DIP package 8 position B Blower elay V1 eversing Valve oil 1 V2 eversing Valve oil 2 PM Phase uard Monitor H eheat Valve oil Black (A) Black (AS) Pin Number Designation on Twist-Lock onnector Black (97) ed for 208V Blue for 230V ed for 460V Blue for 575V 2 HP HP LP LP FP2 FP2 FP1 FP1 EV EV 2 F19 F20 P4 Factory Factory PWM FM EM PWM P13 SW1 Test V K1 K2 P5 Hi K3 HI Fan K4 F F Alarm K5 F Acc K6 JW2 - Alarm P2 Field onnections ES LS ALM AL A c A no A nc Off On LED1 FP1 15 o F/30 o F 1 LED2 FP2 15 o F/30 o F 2 Y Fault V B/O 3 onfig A Dip 4 4 LED3 A Dip 5 5 Dual/Single 6 L Pulse/ontinuous 7 Status eheat/normal 8 SW2 P9 P1 ed (T) Factory Use P11 AUOA BASE ONTOL Factory Fan onnection White (S) ontrol Box Base Panel O/B Field onnections O/B Black () reen / Yellow (10) Y2 W Y2 W DH DH om1 om2 3A-Fuse ontrol Box Door P3 Factory P6 S 485 EH1 S485 Exp P7 P8 S485 NET EH2 EH1 O N/A (+) (-) (+) (-) Accessory elay Operation SW2-4 SW2-5 ycle with Blower On On ycle with ompressor Off Off Water Valve Slow Open On Off Outdoor Air Damper Off On Aurora LED Flash odes Slow Flash 1 second on and 1 second off Fast Flash 100 milliseconds on and 100 milliseconds off Flash ode 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating andom Start Delay Status LED (LED1, reen) Fast Flash onfiguration LED (LED2, Yellow) Fast Flash Fault LED (LED3, ed) Fast Flash Status LED (LED1, reen) onfiguration LED (LED2, Yellow) Fault LED (LED3, ed) Normal Mode ON No Software Overide Flash EM Setting Normal Mode OFF ontrol is Non-Functional Test Mode Lockout Active Dehumidification Mode eserved eserved Load Shed ESD OFF Slow Flash Fast Flash Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 DIP Switch Overide EM onfigure Mode eset onfigure Mode Slow Flash Fast Flash Off Input Fault Lockout High Pressure Lockout Low Pressure Lockout Low Air oil Limit Lockout - FP2 Low Water oil Limit Lockout - FP1 eserved ondensate Overflow Lockout Over/Under Voltage Shutdown Flash ode 1 Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 Flash ode 7 Flash ode 8 eserved Flash ode 7 eserved Flash ode 9 eserved Flash ode 10 Air/Water oil Limit Sensor Error Flash ode 11 Aurora Timing Events Event Normal Mode Test Mode andom Start Delay 5 to 80 seconds 1 second ompressor On Delay 5 seconds < 1 second ompressor Minimum On Time 2 minutes 5 seconds ompressor Short ycle Delay 4 minutes 15 seconds Blower Off Delay 30 seconds 2 seconds Fault ecognition Delay High Pressure Start-Up Bypass Low Pressure Less than 1 second 2 minutes Less than 1 second 30 seconds Fault ecognition Delay Low Pressure 30 seconds 30 seconds Start-Up Bypass Low Water/Air oil Limit Fault ecognition Delay Low Water/Air oil Limit Fault ecognition Delay ondensate Overflow 2 minutes 30 seconds 30 seconds 30 seconds 30 seconds 30 seconds Thermostat all ecognition Time 2 seconds 2 seconds Auxiliary Heat Staging Delay Emergency Heat Staging Delay 5 minutes 2 minutes 20 seconds 7.5 seconds Water Valve Slow Open Delay 90 seconds 90 seconds eheat Delay 30 seconds 30 seconds 25

26 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. Without UP, With Waterside Economizer LAT Thermistor Array ray (19) ray (18) TB Emerg Shutdown Load Shed Lockout ircuit A 24VA 24VA ommon eversing Valve Fan ompressor A Electric Heat Dehumidification Lockout ircuit B ompressor B EX-22 EX-23 EX-24 White (51) ES LS 1 O W DH 2 Y2 EX-21 ed (48) EX-25 Black (52) Orange (49) White (50) N.. ed (26) Pink (53) Tan (36) P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES T T T T EX-26 EX-9 EH1 EX-27 Pink (54) EX-10 Tan (37) 2 F K5-Alarm elay K6-Acc elay ray (19) ray (18) White (24) B Black (25) White (24) P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Violet (20) 1 Black (21) K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 1 (AB1) EX-1 EX-2 EX-3 EX-4 Orange (28) Orange (29) Yellow (30) Yellow (31) ray (18) ray (19) Blue (32) Blue (33) Black (34) Black (35) EV EV FP1 FP1 FP2 FP2 LPS LPS HPSHPS P4 K1-V elay SW1 Test Mode Status LED3 EX-5 EX-6 EX-7 EX-8 Fault LED1 F1-3A F PWM FM P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y S485 EXP - + P6 O EH1 EH2 P3 ondensate WSE ondensate Brown (16) Brown (11) White (24) EX-11 EX-12 EX-13 EX-14 EX-28 EX-29 EX-15 EX-16 EX-17 EX-18 Pink/White (57) Tan/White (46) EX-30 EX-19 Violet (22) 2 Black (23) Orange/White (38) Orange/White (39) Yellow/White (40) Yellow/White (41) ray/white (55) ray/white (56) Blue/White (42) Blue/White (43) Black/White (44) Black/White (45) V1 FD1 LP1 HP1 H1 Note 2 V2 FD2 LP2 HP2 H2 Note 2 ISOL Note 2 EWT Note 3 N.. N.. Valve T Valve Valve T Valve Note 4 Valve T Orange (59) Orange (60) Yellow (61) Yellow (62) Blue (63) Blue (64) Black (65) Black (66) Tan (67) Tan (68) Orange/White (69) Orange/White (70) Yellow/White (71) Yellow/White (72) Blue/White (73) Blue/White (74) Black/White (75) Black/White (76) Tan/White (77) Tan/White (78) ed (108) Violet (110) Yellow (111) Blue (112) Orange (109) Pink (79) Pink (80) ray/white (81) ray/white (82) Pink/White (83) Pink/White (84) EX onnector (twist lock) ed/white (27) EX-31 EX-20 P2 LS ALM AL A OM A NO A N O/B Y2 W DH P1/P9 (Note 1) ES EH1 Pink/White (58) Tan/White (47) 2 F K5-Alarm elay K6-Acc elay P8 P9 om2 LED5 S485 NET JW2 F F 2 HI K4-Fan elay om1 LED5 S485 NET - + P7 Notes: K2- elay 2 K3-2 elay 2 P5 Aurora Base ontrol 2 (AB2) 1 P1 (screw terminals) and P9 (Molex connector) are adjacent and share common terminals in the same order. 2 Optional isolation or reheat valve. If valve is not present, wires are not connected and tied off. EVEV FP1 FP1 FP2 FP2 LPS LPS HPS HPS P4 K1-V elay SW1 Test Mode 3 Not used unless WSE and UP is present. Otherwise, sensor is NOT fastened to water line and measures ambient air. 4 See supplemental schematic for waterside economizer wiring and accessory components. Status LED3 Fault LED1 F1-3A F PWM FM P13 Off On FP1 15 F/30 F 1 FP2 15 F/30 F 2 V B/O 3 Acc Dip 4 4 Acc Dip 5 5 Dual/Single 6 L Output Type 7 Future Use 8 SW2 onfig LED2 Y S485 EXP - + P6 O EH1 EH2 P3 ondensate WSE ondensate Brown (17) Brown (12) White 97P /20/15 26

27 1 2 3 ENVISION SEIES 30 TON INSTALLATION MANUAL Wiring Schematics cont. Without UP, With Waterside Economizer Phase uard Monitor (PM) Unit Power Supply Disconnect (fused disconnect optional) F1 F2 F3 Disconnect handle (through the door) ompressor 1 (closest to control box) T3 reen / Yellow (1) T2 T1 ompressor 2 T3 reen / Yellow (2) T2 T1 ed (A) (closest to control box) reen / Yellow (3) Belt Drive Blower Motor 1 White (AH) Black (AJ) ed (AK) reen / Yellow (4) Belt Drive Blower Motor 2 White (AL) Black (AM) L3 L2 L1 L3 L2 L1 Black (AN) White (AP) ed (AQ) Black () White (H) ed(j) L1 L2 L3 Black(D) White(E) ed(f) ed() White(B) Black(A) ed (AA) T3 L3 White (AB) T2 L2 1 T1 L1 ed (AD) Black (A) T3 L3 White (AE) T2 L2 2 T1 L1 Black (AF) F15 F14 F13 L3 ed (U ) L2 L1 Black (W) White (V) Motor 1 Fuses Motor 2 Fuses F18 F17 F16 L3 L2 L1 ed (X) White (Y) Black (Z) VFD Fuses F10 F11 F12 Black () ed (T) White (S) omp 2 Fuses F7 F8 F9 L1 Black (N) L2 L3 ed (Q) White (P) omp 1 Fuses F4 F5 F6 ed (M) ed (M) White (L) Black (K) White (L) Black (K) ed (Q) Black (N) White (P) VFD User Interface (located in control box) T3 T2 T1 Variable +24VD (12) Frequency Drive Digital In (18) (VFD) Digital In (27) L3 L2 L1 ed (13) Blue (14) B Blue (15) reen / Yellow (5) Black/White (8) Black/White (9) Yellow (6) Yellow (7) reen/yellow (4) reen/yellow (5) L1 PB Yellow (2) Y-OUT Factory Low Voltage Wiring Factory Line Voltage Wiring Field Low Voltage Wiring Field Line Voltage Wiring Optional Block D Voltage PB Traces Field Zone Sensor Wiring Internal Junction Quick onnect Terminal Field Wiring Lug round elay ontacts N.O., N.. apacitor Fuse 1 ompressor 1 ontactor 2 ompressor 2 ontactor O ondensate Overflow Sensor ES Emergency Shutdown HP1 High Pressure Switch 1 HP2 High Pressure Switch 2 LP1 Low Pressure Switch 1 LP2 Low Pressure Switch 2 FD1 Freeze Detection Sensor 1 FD2 Freeze Detection Sensor 2 F1 Fuse Black (3) PM Black/White Y Legend T EX-XX Y Yellow Yellow (1) 24V Transformer lass 2 Thermistor elay oil Switch - ondensate Overflow Switch - High pressure Switch - Low pressure Polarized connector Light Emitting Diode - reen Light Emitting Diode - Yellow Light Emitting Diode - ed SW1 Push button SW2 DIP package 8 position B Blower elay V1 eversing Valve oil 1 V2 eversing Valve oil 2 PM Phase uard Monitor H eheat Valve oil Black (A) Black (AS) Pin Number Designation on Twist-Lock onnector Black (97) ed for 208V Blue for 230V ed for 460V Blue for 575V 2 F19 F20 2 HP HP LP LP FP2 FP2 FP1 FP1 EV EV P4 Factory Factory PWM FM EM PWM P13 SW1 Test V K1 K2 P5 Hi K3 HI Fan K4 F F Alarm K5 F Acc K6 JW2 - Alarm P2 Field onnections ES LS ALM AL A c A no A nc ed (T) Off On LED1 FP1 15 o F/30 o F 1 LED2 FP2 15 o F/30 o F 2 Y Fault V B/O 3 onfig A Dip 4 4 LED3 A Dip 5 5 Dual/Single 6 L Pulse/ontinuous 7 Status eheat/normal 8 SW2 P9 P1 Factory Use P11 White (S) ontrol Box Base Panel AUOA BASE ONTOL Factory Fan onnection O/B Field onnections O/B Black () reen / Yellow (10) Y2 W Y2 W DH DH om1 om2 3A-Fuse ontrol Box Door P3 Factory P6 S 485 EH1 S485 Exp P7 P8 S485 NET EH2 EH1 O N/A (+) (-) (+) (-) Accessory elay Operation SW2-4 SW2-5 ycle with Blower On On ycle with ompressor Off Off Water Valve Slow Open On Off Outdoor Air Damper Off On Aurora LED Flash odes Slow Flash 1 second on and 1 second off Fast Flash 100 milliseconds on and 100 milliseconds off Flash ode 100 milliseconds on and 400 milliseconds off with a 2 second pause before repeating andom Start Delay Status LED (LED1, reen) Fast Flash onfiguration LED (LED2, Yellow) Fast Flash Fault LED (LED3, ed) Fast Flash Status LED (LED1, reen) onfiguration LED (LED2, Yellow) Fault LED (LED3, ed) Normal Mode ON No Software Overide Flash EM Setting Normal Mode OFF ontrol is Non-Functional Test Mode Lockout Active Dehumidification Mode eserved eserved Load Shed ESD OFF Slow Flash Fast Flash Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 DIP Switch Overide EM onfigure Mode eset onfigure Mode Slow Flash Fast Flash Off Input Fault Lockout High Pressure Lockout Low Pressure Lockout Low Air oil Limit Lockout - FP2 Low Water oil Limit Lockout - FP1 eserved ondensate Overflow Lockout Over/Under Voltage Shutdown Flash ode 1 Flash ode 2 Flash ode 3 Flash ode 4 Flash ode 5 Flash ode 6 Flash ode 7 Flash ode 8 eserved Flash ode 7 eserved Flash ode 9 eserved Flash ode 10 Air/Water oil Limit Sensor Error Flash ode 11 Aurora Timing Events Event Normal Mode Test Mode andom Start Delay 5 to 80 seconds 1 second ompressor On Delay 5 seconds < 1 second ompressor Minimum On Time 2 minutes 5 seconds ompressor Short ycle Delay 4 minutes 15 seconds Blower Off Delay 30 seconds 2 seconds Fault ecognition Delay High Pressure Start-Up Bypass Low Pressure Less than 1 second 2 minutes Less than 1 second 30 seconds Fault ecognition Delay Low Pressure 30 seconds 30 seconds Start-Up Bypass Low Water/Air oil Limit Fault ecognition Delay Low Water/Air oil Limit Fault ecognition Delay ondensate Overflow 2 minutes 30 seconds 30 seconds 30 seconds 30 seconds 30 seconds Thermostat all ecognition Time 2 seconds 2 seconds Auxiliary Heat Staging Delay Emergency Heat Staging Delay 5 minutes 2 minutes 20 seconds 7.5 seconds Water Valve Slow Open Delay 90 seconds 90 seconds eheat Delay 30 seconds 30 seconds 27

28 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - Aurora Base ontrol Aurora Base ontrol NOTE: efer to the Aurora Base ontrol Application and Troubleshooting uide and the Instruction uide: Aurora Interface and Diagnostics (AID) Tool for additional information. ontrol Features Software AB Standard Version 3.0 Single or Dual apacity ompressors Either single or dual capacity compressors can be operated. Variable Speed EM Blower Motor Option (If Applicable) A Variable Speed EM blower motor can be driven directly using the onboard PWM output. Four blower speeds are available based upon the,, Y2, and W input signals to the board. The blower speeds can be changed either by the EM manual configurations mode method or by using the Aurora AID Tool directly. All four blower speeds can be set to the same speed if desired. 5-Speed EM Blower Motor Option (If Applicable) A 5-Speed EM blower motor will be driven directly using the thermostat connections. Any of the,, or Y2/W signals can drive any of the 5 available pre-programmed blower speeds on the motor. All 5 Series "" vintage units will be wired this way at the factory. Other ontrol Features andom start at power up Anti-short cycle protection High and low pressure cutouts Loss of charge Water coil freeze detection Air coil freeze detection Over/under voltage protection ondensate overflow sensor Load shed Dehumidification (where applicable) Emergency shutdown Hot gas reheat operation (where applicable) Diagnostic LED Test mode push button switch Two auxiliary electric heat outputs Alarm output Accessory output with N.O. and N.. Modbus communication (master) Modbus communication (slave) Field Selectable Options via Hardware DIP Switch (SW1) Test/onfiguration Button (See SW1 Operation Table) Test Mode The control is placed in the test mode by holding the push button switch SW1 for 2-5 seconds. In test mode most of the control timings will be shortened by a factor of sixteen (16). LED3 (green) will flash at 1 second on and 1 second off. Additionally, when entering test mode LED1 (red) will flash the last lockout one time. Test mode will automatically time out after 30 minutes. Test mode can be exited by pressing and holding the SW1 button for 2 to 5 seconds or by cycling the power. NOTE: Test mode will automatically be exited after 30 minutes. Variable Speed EM onfiguration Mode (If Applicable) The control is placed in the EM configuration mode by holding the pushbutton switch SW1 for 5 to 10 seconds, the high, low, and EM speeds can be selected by following the LED display lights. LED2 (yellow) will fast flash when entering the EM configuration. When setting speed LED3 (green) will be continuously lit, for low speed LED1 (red) will be continuously lit, and for high speed both LED3 (green) and LED1 (red) will be continuously lit. During the EM configuration mode LED2 (yellow) will flash each of the 12 possible blower speeds 3 times. When the desired speed is flashed press SW1, LED2 will fast flash until SW1 is released. speed has now been selected. Next select low speed, and high speed blower selections following the same process above. After third selection has been made, the control will exit the EM configuration mode. Aux fan speed will remain at default or current setting and requires the AID Tool for adjustment. eset onfiguration Mode The control is placed in reset configuration mode by holding the push button switch SW1 for 50 to 60 seconds. This will reset all configuration settings and the EEPOM back to the factory default settings. LED3 (green) will turn off when entering reset configuration mode. Once LED3 (green) turns off, release SW1 and the control will reset. DIP Switch (SW2) SW2-1 FP1 Selection Low water coil temperature limit setting for freeze detection. On = 30 F; Off = 15 F. SW2-2 FP2 Selection On = 30 F; Off = N/A SW2-3 V O/B - thermostat type. Heat pump thermostats with O output in cooling or B output in Heating can be selected. On = O; Off = B. SW2-4 Access elay Operation (P2) and 2-5 Access elay Operation SW2-4 SW2-5 ycle with Blower ON ON ycle with ompressor OFF OFF Water Valve Slow Opening ON OFF ycle with omm. T-stat Hum md OFF ON 28

29 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - Aurora Base ontrol cont. ycle with Blower - The accessory relay will cycle with the blower output. ycle with ompressor - The accessory relay will cycle with the compressor output. Water Valve Slow Opening - The accessory relay will cycle and delay both the blower and compressor output for 90 seconds. SW2-6 Operation selection of single or dual capacity compressor. On = Single Stage; Off = Dual apacity SW2-7 Lockout and Alarm Outputs (P2) selection of a continuous or pulsed output for both the and ALM Outputs. On = ontinuous; Off = Pulsed SW2-8 Future Use Alarm Jumper lip Selection From the factory, ALM is connected to 24 VA via JW2. By cutting JW2, ALM becomes a dry contact connected to AL. Variable Speed EM Blower Speeds The blower speeds can be changed either by using the EM manual configurations mode method or by using the Aurora AID Tool directly (see Instruction uide: Aurora Interface and Diagnostics (AID) Tool topic). Field Selectable Options via Software (Selectable via the Aurora AID Tool) EM Blower Speeds An EM blower motor can be driven directly using the onboard PWM output. Four blower speeds are available, based upon the, (low), Y2 (high), and Aux input signals to the board. The blower speeds can be changed either by the EM manual configurations mode method (see EM onfiguration Mode topic) or by using the Aurora AID Tool directly. All four blower speeds can be set to the same speed if desired. Aux blower speed will remain at default or current setting and requires the AID Tool for adjustment. Safety Features The following safety features are provided to protect the compressor, heat exchangers, wiring and other components from damage caused by operation outside of design conditions. Fuse a 3 amp automotive type plug-in fuse provides protection against short circuit or overload conditions. Anti-Short ycle Protection 4 minute anti-short cycle protection for the compressor. andom Start 5 to 80 second random start upon power up. Fault etry in the fault condition, the control will stage off the outputs and then try again to satisfy the thermostat Y input call. Once the thermostat input calls are satisfied, the control will continue on as if no fault occurred. If 3 consecutive faults occur without satisfying the thermostat Y input call, then the control will go to Lockout mode. Lockout when locked out, the blower will operate continuously in speed, and PS blower motor output will remain on. The Alarm output (ALM) and Lockout output (L) will be turned on. The fault type identification display LED1 (ed) shall flash the fault code. To reset lockout conditions with SW2-8 On, thermostat inputs, Y2, and W must be removed for at least 3 seconds. To reset lockout conditions with SW2-8 Off, thermostat inputs, Y2, W, and DH must be removed for at least 3 seconds. Lockout may also be reset by turning power off for at least 30 seconds or by enabling the emergency shutdown input for at least 3 seconds. Lockout With Emergency Heat - if the control is locked out in the heating mode, and a Y2 or W input is received, the control will operate in the emergency heat mode while the compressor is locked out. The first emergency heat output will be energized 10 seconds after the W input is received, and the blower will shift to high speed. If the control remains locked out, and the W input is present, additional stage of emergency heat will stage on after 2 minutes. When the W input is removed, all of the emergency heat outputs will turn off, and the EM blower will shift to speed and PS blower motor output will remain on. High Pressure fault is recognized when the Normally losed High Pressure Switch, P4-9/10 opens, no matter how momentarily. The High Pressure Switch is electrically in series with the ompressor ontactor and serves as a hardwired limit switch if an overpressure condition should occur. Low Pressure - fault is recognized when the Normally losed Low Pressure Switch, P4-7/8 is continuously open for 30 seconds. losure of the LPS any time during the 30 second recognition time restarts the 30 second continuous open requirement. A continuously open LPS shall not be recognized during the 2 minute startup bypass time. Loss of harge fault is recognized when the Normally losed Low Pressure Switch, P4-7/8 is open prior to the compressor starting. ondensate Overflow - fault is recognized when the impedance between this line and 24 VA common or chassis ground drops below 100K ohms for 30 seconds continuously. Freeze Detection (oax) - set points shall be either 30 F or 15 F. When the thermistor temperature drops below the selected set point, the control shall begin counting down the 30 seconds delay. If the thermistor value rises above the selected set point, then the count should reset. The resistance value must remain below the selected set point for the entire length of the appropriate delay to be recognized as a fault. This fault will be ignored for the initial 2 minutes of the compressor run time. Freeze Detection (Air oil) - uses the FP2 input to protect against ice formation on the air coil. The FP2 input will operate exactly like FP1 except that the set point is 30 degrees and is not field adjustable. 29

30 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - Aurora Base ontrol cont. Over/Under Voltage Shutdown - An over/under voltage condition exists when the control voltage is outside the range of 18 VA to 30 VA. If the over/under voltage shutdown lasts for 15 minutes, the lockout and alarm relay will be energized. Over/under voltage shutdown is selfresetting in that if the voltage comes back within range of 18 VA to 30 VA for at least 0.5 seconds, then normal operation is restored. Operation Description Power Up - The unit will not operate until all the inputs and safety controls are checked for normal conditions. The unit has a 5 to 80 second random start delay at power up. Then the compressor has a 4 minute anti-short cycle delay after the random start delay. Standby In standby mode,, Y2, W, DH, and are not active. Input O may be active. The blower and compressor will be off. Heating Operation Single ompressor Heating, 2nd Stage (, Y2) The compressor will be staged to full capacity 20 seconds after Y2 input is received. The EM blower will shift to high speed seconds after the Y2 input is received. Dual ompressor Heating, 2nd Stage (, Y2) In dual compressor operation, two AB boards used in 24 VA operation, there will be a Y2 call to the input on the second AB. The compressor will stage to full capacity 30 seconds after input is received to the second board. Single ompressor Heating, 3rd Stage (, Y2, W) The hot water pump is de-energized and the first stage of electric heat is energized 10 seconds after the W command is received. If the demand continues the second stage of electric heat will be energized after 5 minutes. Dual ompressor Heating, 3rd Stage (, Y2, W) - The first stage of electric heat is energized 10 seconds after the W command is received. If the demand continues the second stage of electric heat will be energized after 5 minutes Emergency Heat (W) - The blower will be started on speed, 10 seconds later the first stage of electric heat will be turned on. 5 seconds after the first stage of electric heat is energized the blower will shift to Aux speed. If the emergency heat demand is not satisfied after 2 minutes the second electric heat stage will be energized. ooling Operation In all cooling operations, the reversing valve directly tracks the O input. Thus, anytime the O input is present, the reversing valve will be energized. Single ompressor ooling, 2nd Stage (, Y2, 0) The compressor will be staged to full capacity 20 seconds after Y2 input was received. The EM blower will shift to high speed 15 seconds after the Y2 input was received. Dual ompressor ooling, 2nd Stage (, Y2, O) In dual compressor operation, two AB boards used in 24 VA operation, there will be a Y2 call to the input on the second AB. The compressor will stage to full capacity 30 seconds after input is received to the second board. Blower () - The blower will start immediately upon receiving a thermostat command. If there are no other commands from the thermostat the EM will run on speed until the command is removed. egardless of blower input () from the thermostat, the blower will remain on for 30 seconds at the end of each heating, cooling, and emergency heat cycle. Dehumidification (, O, DH or, Y2, O, DH) - When a DH command is received from the thermostat during a compressor call for cooling the EM blower speed will be reduced by 15% to increase dehumidification. Emergency Shutdown - Four (4) seconds after a valid ES input, P2-7 is present, all control outputs will be turned off and remain off until the emergency shutdown input is no longer present. The first time that the compressor is started after the control exits the emergency shutdown mode, there will be an anti-short cycle delay followed by a random start delay. Input must be tied to common to activate. ontinuous Blower Operation - The blower output will be energized any time the control has a input present, unless the control has an emergency shutdown input present. The blower output will be turned off when input is removed. Load Shed - The LS input disables all outputs with the exception of the blower output. When the LS input has been cleared, the anti-short cycle timer and random start timer will be initiated. Input must be tied to common to activate. Blower () - The blower will start immediately upon receiving a thermostat command. If there are no other commands from the thermostat the EM will run on speed until the command is removed. egardless of blower input () from the thermostat, the blower will remain on for 30 seconds at the end of each heating cycle. 30

31 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - Aurora Base ontrol cont. Aurora Base ontrol LED Displays These three LEDs display the status, configuration, and fault codes for the control. These can also be read in plain English via the Aurora AID Tool. Status LED (LED3, reen) Description of Operation Fault LED, reen Normal Mode ON ontrol is Non-functional OFF Test Mode Slow Flash Lockout Active Fast Flash Dehumidification Mode Flash ode 2 (Future Use) Flash ode 3 (Future Use) Flash ode 4 Load Shed Flash ode 5 ESD Flash ode 6 (Future Use) Flash ode 7 onfiguration LED (LED2, Yellow) Description of Operation No Software Overwritten DIP Switch was Overwritten EM onfiguration Mode Fault LED (LED1, ed) ed Fault LED onfiguration LED, Yellow Flashing EM Setting Slow Flash Fast Flash LED Flash ode* Lockout eset/ emove Normal - No Faults OFF Fault - Input 1 No Auto Fault - High Pressure 2 Yes Hard or Soft Fault - Low Pressure 3 Yes Hard or Soft Fault - Freeze Detection FP2 4 Yes Hard or Soft Fault - Freeze Detection FP1 5 Yes Hard or Soft Fault - ondensate Overflow 7 Yes Hard or Soft Fault - Over/Under Voltage 8 No Auto Fault - FP1 & FP2 Sensor Error 11 Yes Hard or Soft NOTE: All codes >11 use long flash for tens digit and short flash for the ones digit. 20, 30, 40, 50, etc. are skipped. AB Basic Faults Aurora Interface and Diagnostics (AID) Tool The Aurora Interface and Diagnostics (AID) Tool is a device that is a member of the Aurora network. The AID Tool is used to troubleshoot equipment which uses the Aurora control via Modbus TU communication. The AID Tool provides diagnostics, fault management, EM setup, and system configuration capabilities to the Aurora family of controls. An AID Tool is recommended, although not required, for EM airflow settings. The AID Tool simply plugs into the exterior of the cabinet in the AID Tool port. AB ontrol Board Layout 2 2 HP HP LP LP FP2 FP2 FP1 FP1 EV EV HI F F F JW2 - Alarm Factory Factory P2 P4 P5 PWM FM EM PWM P13 SW1 Test V K1 K2 Hi K3 Fan K4 Alarm K5 Acc K6 Fi eld onnections Faul t LED3 A Dip 5 Dual/Single L Pulse/ontinuous Status eheat/normal P9 P1 LED1 Factory Use P11 AUOA BASE ONTOL Off FP1 15 o F/30 o F FP2 15 o F/30 o F Factory Fan onnection O/B V B/O A Dip 4 Y2 Fi eld onnections 8 SW2 W On 1 LED2 2 Y 3 onfig DH om1 om2 3A-Fuse P3 Factory P6 S485 Exp P7 S 485 P8 S485 NET EH1 EH2 EH1 O N/A (+) (-) ES LS ALM AL A c A no A nc O/B Y2 W DH 31

32 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) Aurora UP ontroller ZS Series Sensors The Aurora Unitary Protocol onverter (UP) is designed to add-on to any Aurora based heat pump control. The Aurora Unitary Protocol onvertor (UP) is designed to allow water source heat pumps to be integrated into Building Automation Systems (BAS) with ease. The Aurora UP is an integrated solution and communicates directly with the Aurora Heat Pump ontrols and allows access/control of a variety of internal Aurora heat pump operations such as sensors, relay operation, faults and other information. In turn, the UP then converts internal Aurora Modbus protocol to BAnet MS/TP, N, or N2 protocols and communicates to the BAS system. This provides the great benefit of complete control integration and a myriad of information available to the BAS from the heat pump control. Plus it also allows individual unit configuration such as EM fan speeds or freeze protection setting directly over the BAS without the need for access to the actual heat pump. The Aurora UP is programmed using the powerful Eikon object oriented. The Aurora UP is implemented with the Aurora Base ontroller (AB) heat pump control into our latest water source heat pumps. This will allow for a BAS to integrate and communicate to the heat pump thru a choice of 3 different communication protocols. The Aurora UP has the ability to communicate BAnet MS/TP, N2 open, or LonWorks (requires N Plugin card). This flexibility is possible due to the onboard dipswitches which allow for the desired protocol and baud rate to be selected in the field. All zone temperatures and zone sensors are connected to the UP on an Net bus, simplifying hook up at the unit. Net sensors can include a combination of zone temperature and humidity, O2, and VO sensors. The UP includes built-in support for a custom configurable keypad/display unit - BAview6 (4-line by 40 character per line display) or BAview5 (2-line by 16 character per line display). Up to 2 Keypad/display units can be mounted remotely for configuration and troubleshooting. There are an extensive number of points that the UP has available over the network for integration into the BAS. ontrol programmers need to carefully determine which points they want to add into the BAS database. A list of the BAnet points, N2 points, and N SNVTs are available along with their individual point descriptions by contacting the ommercial Solutions roup at

33 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. N2 Modbus BAS BAnet LonWorks net Aurora UP Features ugged enclosure made of E 2950 ycoloy plastic Built-in surge transient protection circuitry Operating range of -20 to 140 F; 10 to 95% relative humidity, non-condensing Onboard 123A battery has a life of 10 years with 720 hours of cumulative power outage Multi-Protocol field selectable communication port that supports: EIA-485 BAnet 9600, 19.2k, 38.4k, 76.8k baud Metasys N2 Open LonWorks TP/FT-10 (equires optional N plug-in communication card) Status of all unit operating conditions and fault lockouts Visual LED s for status of power, network communication, processor operation, and errors Provides gateway into Aurora heat pump controls for unsurpassed control flexibility Network point for commanding unit into load shed Network point for commanding unit into emergency shutdown Network points to assist in fan speed selection Network points for freeze protection settings Heating and cooling control from a remotely located zone sensor net communication port which allows for multiple net zone sensors (5) to be connected for space temperature averaging if desired. Local laptop or BAview connection for field service F, UL and E listed. BTL ertification is pending Aurora UP Optional Features BAview handheld display, needed for field configuration of fan speeds, set points, etc. AID Tool for Aurora AB configuration and troubleshooting. Aurora Advanced ontrol adds the Aurora AXB expansion board and provides added I/O and standard features Optional Sensor Kits (requires Aurora Advanced ontrol with AXB - Future Availability on Select Models/onfigurations) efrigeration Monitoring provides Suction and discharge pressure, Suction, liquid line temps and superheat and subcooling. Performance Monitoring provides entering and leaving loop water temperatures, loop flow rate as well as heat of extraction or rejection rate into the loop. Energy Monitoring provides real-time power measurement (Watt) of compressor, fan, auxiliary heat and zone pump. raphics packages available in the future 33

34 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. Port 1a is used to communicate to the Building Automation System (BAS). This port s settings are configured through the onboard dip switches. Port 2 is used to communicate to the Aurora Base ontroller (AB). Port 1b is used for the LonWorks plugin. 24Vac Dip switches for configuring the communication port protocol and baud rate for the BAS port. net port is used for communicating zone sensors. Mac address is set by 2 rotary dials. BAview or local laptop connection. Aurora Touch Interface Utilizing a touch-screen interface, the UP provides a technician the ability to configure and diagnose equipment at the unit or from any room sensor for added accessibility and simpler troubleshooting. The technician will have full access to equipment status, parameter values, temperature, and humidity sensing as well as access to alarm and trend history. With website-like navigation, the Aurora Touch Interface is easy to use and provides important insight into the system so your building can operate as efficiently as possible. 34

35 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. 1. Leaving Air Temperature (LAT) Sensor This 10 kohm NT sensor is factory installed on all UP equipped heat pumps. It typically is attached to wiring inside the blower cabinet on the suction side of the blower. This sensor is attached on AB FP2 pins available as LAT AU ompressor Proving Sensors This optional factory installed current sensor is connected to confirm compressor operation via the power wires. The sensor is attached at AB and available at point BV Valve End Switch This optional input is setup for a field installed flow valve end switch. This end switch input is attached at AB Y2 and available at point BV Fan Proving Sensors This optional factory installed current sensor is connected to confirm fan operation via the power wires. The sensor is attached at AB and available at point BV Occupancy Sensor - This standard feature includes a field installed and wired room sensor with occupancy sensor typically found in DD systems. The Net room sensors can be found thru your commercial representative. The occupancy Sensors are attached at AB 0 and can be found at point BV Dirty Filter Switch This optional field installed switch is connected to confirm dirty filter operation. The dirty filter switch can be found thru your commercial representative. The sensor is attached at AB W and available at point BV Fault, onfiguration, and Status odes The codes can be visible to the BAS if desired Aurora Base Fault odes (AB Only) Fault LED (LED1, ed) ed Fault LED LED Flash ode* Lockout eset/ emove Normal - No Faults OFF Fault - Input 1 No Auto Fault - High Pressure 2 Yes Hard or Soft Fault - Low Pressure 3 Yes Hard or Soft Fault - Freeze Detection FP2 4 Yes Hard or Soft Fault - Freeze Detection FP1 5 Yes Hard or Soft Fault - ondensate Overflow 7 Yes Hard or Soft Fault - Over/Under Voltage 8 No Auto Fault - FP1 & FP2 Sensor Error 11 Yes Hard or Soft NOTE: All codes >11 use long flash for tens digit and short flash for the ones digit. 20, 30, 40, 50, etc. are skipped. AB Basic Faults Aurora Advanced Fault odes (AB + AXB Expansion Board) Fault LED (LED1, ed) AB Basic Faults ed Fault LED LED Flash ode * Lockout eset/ emove Fault ondition Summary Normal - No Faults Off - Fault-Input 1 No Auto Tstat input error. Autoreset upon condition removal. Fault-High Pressure 2 Yes Hard or Soft HP switch has tripped (>600 psi) Fault-Low Pressure 3 Yes Hard or Soft Low Pressure Switch has tripped (<40 psi for 30 continuous sec.) Fault-Freeze Detection FP2 4 Yes Hard or Soft Freeze protection sensor has tripped (<15 or 30 degf for 30 continuous sec.) Fault-Freeze Detection FP1 5 Yes Hard or Soft Freeze protection sensor has tripped (<15 or 30 degf for 30 continuous sec.) Fault-ondensate Overflow 7 Yes Hard or Soft ondensate switch has shown continuity for 30 continuous sec. Fault-Over/Under Voltage 8 No Auto Instantaneous voltage is out of range. **ontrols shut down until resolved. Fault-FP1 & 2 Snsr Error 11 Yes Hard or Soft If FP1 or 2 Sensor Error Fault-ompressor Monitor 10 Yes Hard or Soft Open rkt, un, Start or welded cont Non-riticAXBSnsrErr 13 No Auto Any Other Sensor Error riticaxbsnsrerr 14 Yes Hard or Soft Sensor Error for EEV or HW Alert-HotWtr 15 No Auto HW over limit or logic lockout. HW pump deactivated. Fault-VarSpdPump 16 No Auto Alert is read from PWM feedback. Not Used 17 No Auto IZ2 om Fault. Autoreset upon condition removal. Non-ritomErr 18 No Auto Any non-critical com error Fault-ritomErr 19 No Auto Any critical com error. Auto reset upon condition removal Alarm - Low Loop Pressure 21 No Auto Loop pressure is below 3 psi for more than 3 minutes Alarm - Home Automation 1 23 No Auto losed contact input is present on Dig 2 input - Text is configurable Alarm - Home Automation 2 24 No Auto losed contact input is present on Dig 3 input - Text is configurable NOTES: *All codes >11 use long flash for tens digit and short flash for the ones digit. 20, 30, 40, 50 etc. are skipped! Alert is a noncritical sensor or function that has failed. Normal operation of the heat pump is maintained but service is desired at some point. AB & AXB Advanced Faults 35

36 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. Aurora Base or Advanced ontrol onfiguration and Status odes Status LED (LED3, reen) Description of Operation Fault LED, reen Normal Mode ON ontrol is Non-functional OFF Test Mode Slow Flash Lockout Active Fast Flash Dehumidification Mode Flash ode 2 Load Shed Flash ode 5 Emergency Shutdown Flash ode 6 On Peak Mode Flash ode 7 (Future Use) Flash ode 8 (Future Use) Flach ode 9 onfiguration LED (LED2, Yellow) Description of Operation No Software Overwritten DIP Switch Overwritten EM onfiguration Mode eset onfiguration Mode onfiguration LED, Yellow EM Setting Slow Flash Fast Flash OFF 9. Alarm elay The Alarm relay (ALM) is factory connected to 24 VA via jumper JW2. By cutting JW2, AB ALM becomes a dry contact connected to AB AL. The elay is field switchable between Factory setting as an Alarm output or available for other uses. 10. Accessory elay1 A configurable, accessory relay on the AB is provided that can be cycled with the compressor, blower, or the Dehumidifier (DH) input. A third (factory) setting cycles the relay with the compressor but delays the compressor and blower output for 90 sec. Source pump or slow opening solenoid valves in well systems or variable speed primary pumping systems would be a prime use of this feature. Access elay Operation SW2-4 SW2-5 ycle with Blower ON ON ycle with ompressor OFF OFF Water Valve Slow Opening ON OFF ycle with omm. T-stat Hum md OFF ON 11. Electric Heat EH1 A digital 24VD output is provided for electric heat powering. UP s Default programming has EH1 set for AUX/ELE Heat operation and will be controlled using the UP s internal P.I.D. logic. However it can be changed by the BAS to be network controlled. 12. Electric Heat EH2 A digital VD output is provided for field options converted from the original EH2 output. Default UP program has the EH2 output set for Network ontrol but can be changed by the BAS to be controlled by the UP s internal P.I.D. logic. 36

37 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. Aurora Advanced ontrol onfiguration and Options (Future Availability on Select Models/onfigurations) 1. Accessory elay2 A second, configurable, accessory relay on the AXB is provided that can be cycled with the compressor 1 or 2, blower, or the Dehumidifier (DH) input. This is to complement the Accessory 1 elay on the AB board. Position DIP 4 DIP 5 Description 1 ON ON ycles with Fan or EM (or ) 2 OFF ON ycles with 1 first stage of compressor or compressor spd ON OFF ycles with 2 second stage of compressor or compressor spd OFF OFF ycles with DH input from AB board 2. Analog Out A standard 0-10VD analog output is provided. This output can be used to drive modulating dampers etc. 3. Variable Speed Pump or Modulating Water Valve (If applicable) - This input and output are provided to drive and monitor a variable speed pump. The VS pump output is a PWM signal to drive the variable speed pump. The minimum and maximum level are set using the AID Tool. 75% and 100% are the default settings respectively. The VS data input allows a separate PWM signal to return from the pump giving fault and performance information. Fault received from the variable speed pump will be displayed as E16. Modulating Water Valve - This Variable speed PWM output is provided to optionally drive a modulating water valve. Through advanced design a 0-10VD valve can be driven directly from the VS pump output. The minimum and maximum level are set in the same way as the VS pump using the AID Tool. 75% and 100% are the default settings respectively. 4. Loop Pump Slaving (If applicable) - This input and output are provided so that two units can be slaved together with a common flow center. When either unit has a call for loop pump, both unit s loop pump relays and variable speed pumps are energized. The flow center then can simply be wired to either unit. The output from one unit should be routed to the input of the other. If daisy chained up to 16 heat pumps can be wired and slaved together in this fashion. 37

38 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. Aurora Advanced ontrol Optional Sensor Kits (Future Availability on Select Models/onfigurations) 1. Energy Monitoring (Standard Sensor Kit on Advanced models) - The Energy Monitoring Kit includes two current transducers (blower and electric heat) added to the existing two compressor sensors so that the complete power usage of the heat pump can be measured. The BAview Tool provides configuration detail for the type of blower motor and a line voltage calibration procedure to improve the accuracy. This real time power usage information can be displayed on the AID Tool and is available thru network points when using BAnet or N2 Open. ompressor urrent 1 ompressor urrent 2 Fan urrent Aux Heat urrent Pump Selection Voltage ompressor Watts Fan Watts Aux Heat Watts Pump Watts (VS Only) 3. Performance Monitoring (optional sensor kit) - The optional Performance Monitoring Kit includes: three temperature sensors, entering and leaving water, leaving air temperature and a water flow rate sensor. With this kit, heat of extraction and rejection will be calculated. This requires configuration using the BAview Tool for selection of water or antifreeze. Leaving Air Temperature (supply) Alt Leaving Air Temperature (Supply) Entering Water Temperature Leaving Water Temperature Water Flow Meter Entering Air Temperature (from zone sensor) Brine Selection (water/antifreeze) Heat of Extraction/ejection 2. efrigerant Monitoring (optional sensor kit) - The optional efrigerant Monitoring Kit includes two pressure transducers, and three temperature sensors, heating liquid line, suction temperature and existing cooling liquid line (FP1). These sensors allow the measurement of discharge and suction pressures, suction and liquid line temperatures as well as superheat and subcooling. This information can be displayed on the BAview Tool, or the network when using BAnet and N2. Htg Liquid Line lg Liquid Line Discharge pressure Suction Pressure Discharge Saturated Temp Suction Saturated Temperature Superheat Subooling 38

39 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. ZS Series Net Sensor Overview The ZS Series line of intelligent zone sensors provides the function and flexibility you need to manage the conditions important to the comfort and productivity of the zone occupants. The ZS sensors are available in a variety of zone sensing combinations to address your application needs. These combinations include temperature, relative humidity, and indoor air quality (carbon dioxide or VOs (Volatile Organic ompounds)). They are built to be flexible allowing for easy customization of what the user/ technician sees. Designed to work with the Aurora UP controllers the ZS sensor line includes the ZS Base, ZS Plus, ZS Pro and ZS Pro-F. The UP uses a proprietary communication called net to receive the space temperature from the zone sensor. This is done using (2) 18 AW twisted pair unshielded cables for a total of 4 wires connected to the net port. The sensor gets its power from the UP controller and connecting multiple sensors to one UP will allow for space temperature averaging. The UP can support one ZS Pro or ZS Pro F with up to four ZS standard sensors wired to the net port on the UP for a total of 5 zone sensors. The sensors use a precise 10k ohm thermistor with less than 0.18 F drift over a ten year span, this allows for less maintenance or re-calibration after installation. The sensors also have a hidden communication port for connecting a BAview or local laptop that provides access to the equipment for commissioning and maintenance. The table below shows the features of each of the four sensors that are currently available. ZS Base ZS Plus ZS Pro ZS Pro-F Features ZS Base ZS Plus ZS Pro ZS Pro-F Temp, O 2, Humidity, and VO Options Neutral olor Addressable/supports daisy chaining Hidden communication port Mounts on a standard 2 by 4 electrical box Occupancy Status indicator LED Push button occupancy override Setpoint adjust Large, easy to read LD Alarm indicator F to conversion button Options Part Number Part Number Part Number Part Number Temperature Only ZSU ZSUPL ZSUP ZSUPF Temp with O 2 ZSU- ZSUPL- ZSUP- ZSUPF- Temp with Humidity ZSU-H ZSUPL-H ZSUP-H ZSUPF-H Temp with Humidity, O 2 ZSU-H ZSUPL-H ZSUP-H ZSUPF-H Temp, Humidity, VO ZSU-HV ZSUPL-HV ZSUP-HV ZSUPF-HV Temp with VO ZSU-V ZSUPL-V ZSUP-V ZSUPF-V 39

40 ENVISION SEIES 30 TON INSTALLATION MANUAL ontrols - UP DD ontrol (optional) cont. Net Sensor Physical and Electrical Data Sensing Element ange Accuracy Temperature (on non-humidity models) -4 to 122 F (-20 to 50 ) ±0.35 F (0.2 ) Temperature (on Humidity models) 50 F to 104 F (10 to 40 ) ±0.5 F (0.3 ) Humidity 10% to 90% ±1.8% typical O2 400 to 1250 PPM 1250 to 2000 PPM ±30PPM or +/-3% of reading (greater of two) ±5% of reading plus 30 PPM VO 0 to 2,000 PPM ±100 PPM Power equirements Sensor Type Power equired Temperature Only All Models 12 8 ma Temperature with Humidity All Models ma (idle) to 190 ma (O2 measurement cycle) Temp with VO, or Temp/VO/Humidity All Models ma Temp with O2, or Temp/ O2/Humidity All Models ma (idle) to 190 ma (O2 measurement cycle) Power Supply ommunication Local Access Port Environmental Operating ange Mounting Dimensions A controller supplies the net sensor network with ma. Additional power may be required for your application. See sensor ZS Installation uide 115 kbps net connection between sensor(s) and controller 15 sensors max per net network; 5 sensors max per control program For connecting a laptop computer to the local equipment for maintenance and commissioning 32 to 122 F (0-50 ), 10% to 90% relative humidity, non-condensing Standard 4 x 2 electrical box using provided 6/32 x 1/2 mounting screws 40