The New NM300 panel provides intelligent control of Heat Pump or onventional forced air zoning systems at a maximum of three zones using motorized dampers and practically any off-the-shelf thermostat. With features like Automatic changeover, Timed or ic staging, Field selectable Features and built-in Supply air Sensing, the NM300 provides the highest level of performance and versatility in a non-expandable zone control panel. Perfect for new construction and most retro-fit applications. Zone apacity ompatible HVA Systems ompatible s Automatic Heat/ool hangeover Status LED System LEDs Damper LEDs perating Power ontrols two or three air zones with 4vac Power pen/lose or Spring Assisted motorized dampers. Will control stage Heat Pumps with Electric auxiliary heat. Will also control & stage as or il furnaces. Also Straight Electric furnaces or Hydronic Heat with stage air conditioning. The NM300 is compatible with most single stage Heat/ool type s. Two stage Heat Pump s can be used if staging by temperature is desired. Hard Wired, Power obbing or Battery Powered type thermostat models can be used. The NM300 panel features automatic changeover from any thermostat allowing for individual zone comfort from the zoned HVA system. The STATUS LED blinks slowly during normal operation to indicate the micro processor is operating properly. A total of 9 function specific, colored LED s indicate the system status and mode of operation. LEDs labeled Zone thru Zone 3 indicate which dampers are energized to open. INPUT VLTAE: 9-30VA 60 Hz Transformer 40-60VA MAX. NE lass. UENT DAW: Max 4VA @ 4VA. Model NM300 Zone ontrol System 3 MT MT MT 4 VA T'FME (DISPNIBLE EN ESPAÑL EN EWNTLS.M) ewccontrols.com/acrobat/090375a045.pdf LEAVE THIS BULLETIN N THE JB SITE F FUTUE EFEENE SSTEM W/B H /H 7 4 8 35 FF 4 STAIN TIME 7 F 4 6 35 44 5 56 D6 NTL SSTEM 43 40 46 37 49 34 5 LW TEMP K4 D7 K5 D8 K6 D9 K7 D0 30 40 50 0 60 0 70 HIH TEMP NM-300 K 8 D3 8 7 6 K D4 0 7 37 K3 D5 66 Z FF < > N 45 5 53 57 Figure. NM300 panel Thermal Breaker perating onditions Indoor Fan ontrol ESET 36 9 5 38 37 D 3 D 4 8 4 U6 U HP < SSTEM > AS H < TSTATS > HP FF < PUE ASST > N 90 < PUE > 0 S 0 < DL > 45 S < V > B FF < SAS > N AS < > HD LED LED LED4 LED3 LED6 LED5 LED7 LED8 LED9 NM300 Ver.3 opyright EW/AI 006 ALL rights reserved 7 U U3 U4 U5 6 STATUS SUPPL AI 3 PEN PEN PEN / E W / B MPESS 5 SUPPL AI 0 SENS 9 6 70 69 3 9 3 3 4 5 9 30 34 3 33 40 39 4 43 4 44 47 49 48 48 54 55 54 55 50 NE 6 63 6 65 NTLS IN. Englishtown, NJ The NM300 has a.5amp thermal circuit breaker in place of a fuse that protects the NM300 from shorted circuits in the thermostat and damper field wiring. It will not protect against shorts in the HVA system wiring. D NT exceed a 60va transformer to power the panel. NTE: When the circuit breaker is tripped it will get hot and all of the panel LED s will stop functioning. To reset the breaker, locate the short by removing all wires connected to the panel, one at a time. When the shorted wire is removed the panel will resume normal operation. Now you must repair or replace the shorted wire before you re-connect it. TEMPEATUE: -0 to 60 F (-9 to 7 ) HUMIDIT: 0% - 95% H Non-ondensing. Any zone can activate the indoor fan and only the dampers in zones calling for continuous fan operation will open. ontinuous fan operation will only occur when there are no active or pending heat or cool demands. EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536 P/N 090375A06 EV. J opyright 006, EW ontrols Inc. ALL ights eserved
Built-In Timer Settings Start-Up Delay Timer Minimum un Timer Short ycle Timer hangeover Timer pposing System Service Timer nd Stage Heating Timer 4 7 Heating and ooling Limit Settings 40 30 50 0 60 0 70 HIH TEMP 40 37 43 8 46 49 34 5 LW TEMP 35 FF 4 STAIN TIME The panel has built-in timers that insure safe HVA system operations. *Start-up Delay Timer 4 minutes, fixed. *Minimum un Timer minutes, fixed. *Short ycle Timer minutes, fixed. *hangeover Timer 4 minutes, fixed. *pposing System 0. minutes, fixed. Service Timer *Second Stage ff or 7 to 4 Heating Timer minutes, adjustable. TIME DEFINITINS Upon initial power up or after a power failure, the panel will not start the equipment for 4 minutes. When a call is activated, the zone panel will run the HVA system in that mode for a minimum of minutes. When the HVA system is satisfied, the zone panel will not resume the same call for a minimum of minutes. At the end of a call, a 4 minute timer is started and the zone panel will not switch to the opposite mode of operation until the timer has expired. A 0 minute delay must expire, or the active zone(s) must satisfy, before the panel will honor a thermostat demand to changeover to the opposite mode of system operation. The TIME sets the total amount of time delay before second stage heating is energized. st stage heat will stay energized when nd stage heat activates. If desired turn the Timer FF and let your heat pump thermostats stage up for you. The Heating Limit potentiometer sets the supply air temperature at which the heating is cycled off and the fan continues to run until, the supply air temperature has dropped below the heating limit set point. 3 Minutes min. The ooling Limit potentiometer sets the supply air temperature at which the cooling is cycled off and the fan continues to run until, the supply air temperature has risen above the cooling limit set point. 3 Minutes min. ESET BUTTN ESET eset the PU anytime you make dip-switch changes to the NM300 panel! D NT use a sharp object to press the button! our finger tip will work fine. H < TSTATS > HP FF<PUE ASST>N Momentarily pressing the ESET button clears the built-in timers controlling the Start-up timer, Minimum run timer, Short cycle timer, timer, Supply air sensor timer and the hangeover timer. This enables you to test the installation faster. aution should be observed when using this button. Pressing the ESET button for 7 seconds will reset the PU. Selecting the ptions Using the DIP Switches 8 DIP switches allow you to select the features specific to your very own zoned HVA system. HP < SSTEM > AS 0< DL > 45S Select the type of HVA system the panel will control. Heat Pump (HP) or as/il/hydronic with A/. (AS) Select the type of s you will use. Select H for conventional Heat/ool type thermostats or select HP for Heat Pump type thermostats. Select N to allow the NM300 to operate the fan during the 90/0 second purge cycle. Works in both heat and cool mode. Set the switch to FF to allow the system to operate on it s own fan purge cycle. 90< PUE >0s Select a purge time of 90 seconds or 0 seconds. The damper(s) on the last zone calling will be held open for that time while all other zone dampers remain closed. Select 45 seconds to allow the hot water or steam coil to heat up before the fan starts. Select 0 seconds and the fan will start immediately upon a call for heat. Switch # 8 must be set to HD for this feature to work! 0 < V > B Select or B for the type of eversing Valve operation of your heat pump. FF < SAS > N Select N if you are using a Supply Air Sensor with the NM300. Select FF if you have not installed a sensor. AS< >HD Select the AS position when setting up for gas or heat pump systems. Select HD when setting up for Straight Electric or Hydronic (Steam/Hot Water) heating systems. EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536
WANIN: THESE PANELS AE DESINED F USE WITH 4VA. D NT USE THE VLTAES! USE AUTIN T AVID ELETI SHK EQUIPMENT DAMAE. ALL WK SHULD BE PEFMED T LAL AND NATINAL DES AND DINANES. USE 8 AW SLID PPE, L-DED, MULTI-NDUT THEMSTAT ABLE. Wiring WIIN INSTUTINS The NM300 zone control panel requires standard stage heat/cool thermostats in all zones, regardless of the application. nd stage heat output is controlled by an adjustable timer on the panel. If you prefer, the NM300 will also work with any off the shelf stage Heat Pump. nd stage heat will then be thermostatically controlled. Typical thermostat wiring diagrams are shown below. HEAT/L THEMSTATS HEAT PUMP THEMSTATS NE MDEL EWT-3707 B W E L * ommon wire not required if batteries are used. * * * Figure a. Model EWT-3707: onfigured for heat cool (SS mode). See thermostat instructions for further details. Figure c. NE MDEL EWT-3707 B W E L * ** ommon wire not required if batteries are used. Field installed jumper. Model EWT-3707: configured for heat cool heat pump (HP mode). See thermostat instructions for further details. WIELESS THEMSTAT: EIEVE MDULE MDEL EWT-3900 W L E B TUHSEEN THEMSTAT MDEL EWT-30 S S L E Figure b. Model EWT-3900: Wireless. onfigured for heat cool (SS mode). an be configured for heat pump. See Figure d. NTE: The New NM300 allows the user to install Heat Pump thermostats on all zones. This allows the user to override the Timer and energize the auxiliary heat via thermostatic demand! ou may still use regular Heat/ool type thermostats with a Heat Pump system and use the Timer to energize the auxiliary heat. Doing so may save more energy. This new design simplifies the thermostat selection process and allows the installer to easily adapt the NM300 to most residential applications. * * * ** ommon wire not required if batteries are used. Field installed jumper. Model EWT-30 Touchscreen : onfigured for heat cool heat pump (HP Mode). See thermostat instructions for further Details. EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-635-8646 3
System Wiring The NM300 panel was designed to be easy to understand and wire up. We have provided several typical field wiring diagrams to review. our actual field wiring may vary. Notice that you may now connect the 4vac common terminal from the HVA system to the NM300 system terminal block. This provides a convenient place to reference the HVA system 4vac common wire and helps to simplify the troubleshooting process. Single Transformer as/electric Systems UTD NDENSIN UNIT Figure 3a. Typical gas/electric system showing or stage heating. Note the jumper (link) between and H. There is no need to install your own jumper. Note: our Hydronic Air Handler may include a W terminal. That means it may have it s own isolation circuit. If you can confirm this, simply connect the W/B terminal to the W terminal on the air handler. Do not cut the c/h Link. Wire Two up your Boiler ontrol or irculator ontrol to the isolation Transformer contacts or wires provided in the air handler. (Follow dashed Hydronic Heat lines)the fan is controlled via time delay relay inside the air Systems handler or use the Fan Hydro switch on the NM300. UTD NDENSIN UNIT AS/IL Furnace or STAE W TPIAL Hydronic Air Handler TEMINAL BLK W T EM provided ISLATIN TEMINALS WIES W NTE: ou may connect the common terminal from the HVA system to the NM300 to make troubleshooting a little easier. W T NM300 W/B H SSTEM /H NM300 W/B H SSTEM /H PWE WIIN A SEPAATE field supplied 4vac, 40va Listed transformer can power the NM300 module with up to genuine ND or UD dampers. Typical heat pump system wiring with electric Heat Pump resistance backup heat. Wire up the reversing with or B Type valve to either or W/B, depending on your eversing Valve type of system. Applies to air cooled or geothermal / ground source HVA systems. HEAT PUMP STAE X / W or B Figure 3c. Two Transformer il Heating Systems UTD NDENSIN UNIT AI HANDLE WITH 0 STAE ELETI ESISTANE BAKUP HEAT W Line Voltage our il furnace may not provide factory isolation for the Primary Burner ontrol. Simply cut the c/h link on the NM300 and wire up to the Fan enter as shown. Then run the T&T connections to the h and the W/B terminals to complete the control wiring. TPIAL Fan enter TEMINAL BLK W PVIDE MEANS F DISNNET TANSFME 4vac, 40-75va Max UL LISTED * onnect either the or the W/B. In a typical type reversing valve system, there will not be a connection to the W/B terminal! * NM 300 module 4 VA T FME - Hot - ommon NM300 W/B H NM300 W/B H /H SSTEM /H SSTEM U MUST cut the c/h link 4 BILE NTL IULAT ELA HT WATE VALVE NNETIN T T D NT cut the c/h link TPIAL BILE or FUNAE PIMA BUNE NTL Figure 3b. Figure 3d. EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-635-8646 IL BUNE PIMA NTL T T
DAMPE WIIN Note: All zone dampers default to the "PEN" position after a purge delay has occurred. Dampers also default PEN during changeover & short cycle delays, and when all zone demands are satisfied, and no signals are detected from the thermostats. EFEENE THESE DIAAMS PI T INSTALLATIN AND PWE WIIN. DIN S WILL SAVE TIME AND LAB LATE N. DAMPE MT TEMINAL BLK DESINATIN & FUNTIN Terminal Terminal Terminal Terminal 4vac to lose a damper(s) 4vac to pen a damper(s) onstant 4vac HT ommon 4vac MT Auxilary SPDT End Switch Dry ontacts ated for 4vac only Figure 5 Wire Spring eturn Motor Wiring MA-ES N N M M EW ontrols Spring eturn Motor Wiring Either one Not both A Spring pen Damper is wired to & A Spring lose. Damper is wired to & { Figure 4a. All Models ND, UD and SID Damper Wiring 4 6 MT 4 6 4 6 MT Figure 4b 4 6 4 6 4 6 4 6 Multiple Damper Wiring on a Single Zone, using a Separate Transformer and an Isolating elay. Maximum of 6 dampers per 40 va transformer. Figure 4c N N 3 IL 4 vac Isolation elay SPDT action with 4 vac coil elay is shown de-energized. All dampers are closed. H Separate 4 vac Transformer L L MT Figure 6 EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536 To Line Voltage Provide over current protection 4 6 Multiple ND or UD Damper Wiring on a Single Zone Terminal Block n all these dampers and most older style dampers, including competitor s dampers, always wire up number to number. Do not overload the NM300 Thermal ircuit Breaker. Use a 4vac UL listed transformer at 60va maximum power rating! 5
SEVIE UIDE Some Helpful uidelines Using the LED Indicators Dampers Not esponding Properly All voltage measurements on the NM300 panel should be made with the ground lead of your meter on terminal of the 4VA input terminals. All voltage measurements at the HVA System Terminal Block (W/B,,, & ) should be made with the meter s ground lead on the terminal at the HVA system block. The green STATUS LED should blink at second on / second off, to indicate the microprocessor is operating properly and 4v power is present. The red SUPPL AI LED will illuminate if the panel senses a discharge temperature in excess of the high or low limit set points. The LED will blink rapidly if the sensor is open, shorted or disconnected. The panel will function normally, but no supply air temperature control will occur until the open or shorted sensor is replaced. The green Zone Damper LED s will illuminate to indicate which dampers should be open. The red W/B LED indicates that the panel is in the st stage heating mode or, the B type reversing valve output is active. The red LED indicates nd stage heat or Emergency heat has been energized. The yellow MPESS LED indicates the compressor is energized. The green LED indicates the indoor fan is energized. If the Zone LED indicators are illuminated but the dampers appear to be malfunctioning, check the damper field wiring. If the LED s are not responding properly, check the calls on each zone thermostat. If the calls indicate a damper should be energized and is not, press the ESET button to cancel the timers. If the problem persists, see Table for service help. heck 4VA Power HVA System Not esponding Properly Detecting 4vac Shorts Isolating 4vac Shorts Measure 4VA at all damper and terminals and all T-stat and terminals. See Table if any of these voltages are incorrect. If the HVA LED indicators are responding properly, but the system appears to be malfunctioning, check that the HVA system is wired correctly and that the DIP switches have been properly set. If the HVA LEDs are not responding properly, check the calls on each zone thermostat. If the calls indicate that the HVA system should be activated and is not, press the ESET switch to cancel the timers. Also check that the DIP switches have been properly set. If the problem persists, see Table 3 for trouble shooting help. Table. Detecting 4VA Shorts All LED s will be off and the panel will appear to be dead! you will measure 4VA at the transformer terminals &, but not at any damper & terminals, or any zone thermostat & terminals. AUTIN: The thermal breaker will be hot to the touch. emove the power to the panel and allow the thermal poly fuse to cool down. emove the wire at each zone thermostat terminal and test if the short still persists by restoring power to the zone panel and testing as described above. If the short disappears, check the zone thermostat wiring and the thermostat itself. This applies if the thermostat requires the 4 volt ()common, or the wire could be shorted to the building ground. If the short still persists disconnect all the wires at each damper terminal (,, & ). estore power and test as described above. If the short clears, check the damper wiring and the dampers for shorts with a continuity tester. If the short still persists, call the technical support hot-line. 6 EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536
Damper LED n But Damper Not esponding NM300 Damper LED Not esponding Table. Detecting Damper Problems heck the damper wiring to insure it is correctly wired. Be sure the wires are secured in the terminals. Test the damper motor to insure it is properly operating. If the problem still persists, contact technical support. heck that the STATUS LED is blinking. If it is not, the panel may be in a shutdown mode due to a short in the field wiring. See Table. Detecting 4vac shorts. Press the ESET for second to clear any time delay(s) that may be keeping the call off and the damper from not responding. heck the voltage at each zone thermostat terminal W, and terminals to insure the damper should be activated. If the problem still persists, call the technical support hot-line. Testing Damper Motors For a DN/SMDL/BMDL damper, connect 4VA common to terminal, and 4VA to terminals and 4. The damper should open. emove 4VA from terminal 4 and the damper should close. For a BMD/SMD/ND/UD damper, connect 4VA common to terminal, and 4VA to terminal 4 and the damper should open. emove 4VA from terminal 4 and apply 4VA to terminal 6 and the damper should close. For a power close spring open damper, connect 4VA to the two motor M terminals, and the damper should LSE. emove the 4VA and the damper should PEN. For a power open damper, the action will be reversed. Table 3. Detecting Heating, ooling and Fan Problems Panel LEDS n But System Not esponding LEDs and System Not esponding heck the HVA wiring to insure it is correctly wired. Be sure the wires are secured in the terminals. heck that there is 4VA at the c and h terminals. Use the HVA system common () for the ground lead of your meter. heck that h and c are connected if the system uses a single transformer. For a gas/electric system test the HVA by shorting terminals h and W/B together to activate the heater, c to to activate the compressor and c to to activate the fan. If the HVA system has responded properly, call EW technical support. For a heat pump system test the heating by jumping terminals c to, W/B and. For a cooling test jump c to, and. heck that the STATUS LED is blinking to insure the computer is operating properly, press and hold the ESET button for 7 seconds to reboot the PU. Measuring Voltages Press the ESET button for second to clear the time delay that may be preventing the call. The panel could be in minimum run time, short cycle delay, changeover delay or opposite system timing mode. If the system still does not respond, measure the voltage at each zone thermostat terminal,, & to insure they are correct and a call is in order. Heat/ool thermostats will apply 4vac to the terminal during a heating call. During a cooling call, 4vac is applied to both &. During a continuous fan call, 4VA is applied to the terminal. Be sure the c and h terminals at the thermostats are jumped together if your specific installation requires it. Heat Pump thermostats will apply 4vac to and during a st stage heating call. 4vac will be applied to during a nd stage call. In Emergency mode, 4vac is applied to &. During a cooling call, 4vac is applied to, &. EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536 7
3 MT MT MT 4 VA T'FME SSTEM W/B H /H 7 FF F 4 8 STAIN TIME 7 4 6 35 44 5 56 35 4 D6 37 34 40 K D3 K D4 K3 D5 K4 D7 K5 D8 K6 D9 NTL SSTEM 43 LW TEMP K7 D0 46 30 40 50 49 0 60 5 0 70 HIH TEMP NM-300 8 8 7 6 0 7 37 66 Z FF < > N 45 5 53 57 ESET 36 9 5 38 37 LED LED LED4 LED3 LED6 LED5 LED7 LED8 LED9 D FF < > N 3 D 4 8 4 NM300 Ver.3 opyright EW/AI 006 ALL rights reserved U6 U HP < SSTEM > AS H < TSTATS > HP FF < PUE ASST > N 90 < PUE > 0 S 0 < DL > 45 S < V > B FF < SAS > N AS < > HD 7 U U3 U4 U5 6 STATUS SUPPL AI 3 PEN PEN PEN / E W / B MPESS 5 SUPPL AI 0 SENS 9 6 70 69 3 3 9 3 4 5 9 30 34 3 33 40 39 4 43 4 44 47 49 48 48 54 55 54 55 50 NE 6 63 6 65 NTLS IN. Englishtown, NJ Blow-up view of NM300 showing Factory Dip Switch settings. ED U WN DIP SWITH SETTINS HEE Use a pencil and shade the boxes that correspond to your settings! HP < SSTEM > AS H < TSTATS > HP FF < PUE ASST > N 90 < PUE > 0 S 0 < DL > 45 S < V > B FF < SAS > N AS < > HD 8 EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536
Sensor TPIAL THEMSTAT 7 HEAT / L WIIN DIAAM Model NM-300 ontrol Panel N AUT HEAT FF L W TPIAL THEMSTAT 68 N AUT HEAT FF L W TPIAL THEMSTAT 74 N AUT HEAT FF L W WANIN: THESE PANELS AE DESINED F USE WITH 4VA. D NT USE THE VLTAES! USE AUTIN T AVID ELETI All wiring should be done to local and national codes and ordinances. Use color-coded, multi-conductor wire. Wire number to number or letter to TANSFME 4V, 40VA /H JUMPE 3 D 4 8 W W AS/IL or ELETI Furnace or STAE 30 40 50 43 8 46 40 4 SUPPL AI SENS 0 49 37 35 7 3 MT 60 70 0 5 34 4 FF U HIH TEMP LW TEMP STAIN TIME D NM-300 7 4 3 U K D3 ESET MT U3 4 7 K D4 U4 6 MT K3 D5 6 F D6 35 4 VA T'FME K4 D7 44 U6 SSTEM K5 D8 W/B 5 NE 5 0 9 6 70 69 3 9 3 4 5 9 30 34 3 33 40 39 4 43 4 44 47 49 48 48 54 55 54 55 50 6 63 6 65 8 NM300 Ver.3 opyright EW/AI 006 ALL rights reserved 9 8 7 6 0 5 7 37 66 36 Z 38 37 FF < > N U5 HP < SSTEM > AS H < TSTATS > HP FF < PUE ASST > N 90 < PUE > 0 S 0 < DL > 45 S < V > B FF < SAS > N AS < > HD 45 5 53 K6 D9 57 H 56 K7 D0 /H NTLS IN. Englishtown, NJ STATUS SUPPL AI 3 PEN PEN PEN / E W / B MPESS LED LED LED4 LED3 LED6 LED5 LED7 LED8 LED9 NTL SSTEM { 4 6 4 6 N N M M UD/ND ES Damper UD Damper UTD NDENSIN UNIT ND Damper EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536 9
Sensor Typical Heat Pump 70 HEAT PUMP WIIN DIAAM Model NM-300 ontrol Panel N AUT HEAT FF L 3 D 4 8 30 40 50 43 8 46 40 4 SUPPL AI SENS 0 49 37 35 7 3 MT 60 70 0 5 34 4 FF U HIH TEMP LW TEMP STAIN TIME D NM-300 7 4 3 U K D3 ESET MT U3 4 7 K D4 U4 6 MT K3 D5 6 F D6 35 4 VA T'FME TANSFME 4V, 40VA K4 D7 44 U6 SSTEM K5 D8 W/B 5 NE 5 0 9 6 70 69 3 9 3 4 5 9 30 34 3 33 40 39 4 43 4 44 47 49 48 48 54 55 54 55 50 6 63 6 65 { 8 NM300 Ver.3 opyright EW/AI 006 ALL rights reserved 9 Typical Heat Pump 8 7 6 0 7 5 N AUT HEAT FF L 7 37 66 36 Z 38 37 FF < > N U5 HP < SSTEM > AS H < TSTATS > HP FF < PUE ASST > N 90 < PUE > 0 S 0 < DL > 45 S < V > B FF < SAS > N AS < > HD Typical Heat Pump 45 74 5 N AUT 53 HEAT FF L K6 D9 H W W 57 56 K7 D0 /H NTLS IN. Englishtown, NJ STATUS SUPPL AI 3 PEN PEN PEN / E W / B MPESS LED LED LED4 LED3 LED6 LED5 LED7 LED8 LED9 NTL SSTEM /H JUMPE WANIN: THESE PANELS AE DESINED F USE WITH 4VA. D NT USE THE VLTAES! USE AUTIN T AVID ELETI All wiring should be done to local and national codes and ordinances. Use color-coded, multi-conductor wire. Wire number to number or letter to AI HANDLE WITH 0 STAE ELETI ESISTANE BAKUP HEAT P/N 090375A006 EV 4 6 4 6 N N M M UD/ND ES Damper UD Damper ND Damper 0 EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536 HEAT PUMP STAE X / W
Forced Air Zone ontrols SUPPL AI SENS PEATINS AND NE FEATUE NTL TM A Supply Air Sensor can be used to limit supply air temperatures and prevent over heating of the equipment during the heating cycle or coil freezeup during cooling cycles. Wire the sensor as shown below and set dip switch #7 to the N position. (See Page ) The Supply air sensor installs into the supply air plenum or downstream of the evaporator coil or heat exchanger and monitors the discharge air temperature in heating and cooling modes. The actual temperature is relayed backed to the microprocessor. When the temperature exceeds or falls below the HEAT or L limit set points, the microprocessor will de-energize all HEAT or L outputs for a minimum of 3 minutes. It also energizes the, if it is not already running, to help dissipate the heat or warm up the evaporator coil. efer to the Data sheet that comes with the Supply Air Sensor. There is no differential built in to the sensor! nce the supply air temperature rises or falls to a safe value and, the 3 minute time delay has expired, the microprocessor will restore the HEAT or L outputs. The will deenergize or stay running, depending on the mode of operation and the application. The ne Zone feature allows the homeowner to control all the zones from a single thermostat by using an optional switch connected to the ne Zone terminal shown below. A homeowner can switch to ne Zone control when they leave for vacation or as a night setback mode, and the Zone thermostat will control all zones. All zone dampers will respond to the Zone thermostat. Use Part # VA. ne Zone can also be used in commercial applications with a programmable thermostat in Zone and nonprogrammable thermostats in all other zones, thus satisfying the requirements of alifornia Title 4. Substantial energy savings and equipment protection can be obtained with proper use of the ne Zone feature and the supply air sensor. NE N NE MDE FF See Technical Bulletin #TB- for exact wiring connections. Model SAS 30 0 0 SUPPL AI SENS Supply air temperature sensor. 40 HIH TEMP 50 60 70 40 37 34 SENS 43 46 49 5 LW TEMP Adjustable Heating & ooling limit potentiometers ne Zone Mode via the Zone NE ommercial rade THEMSTAT # W UN / EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536
ongratulations on purchasing and successfully installing your new NM300 Zone ontrol system. The NM300 is certainly easy to setup and install. But should you find the need for a little assistance, remember that you can call our toll free technical support hotline when you are on the job site! @ 800-446-30. Please have a multi-meter, pocket screwdriver and wire cutters handy. If you just have some questions about the NM300 or any other Ultra-Zone product, call us at 73-446-30. Monday thru Friday, 8:00am - 5:00pm Eastern Time. Thank ou FIELD NTES: EW ontrols Inc. 385 Highway 33 Englishtown, NJ 0776 800-446-30 FAX 73-446-536