*DD2B060A9V3VA *DD2B080A9V3VA *DD2C100A9V5VA *DD2D120A9V5VA

Transcription

1 UD2-9V-SF-C Gas Furnace Speed 2 Stage Heat Models: * - First letter may be A or T *UD2B060A9V3VB *UD2B080A9V3VB *UD2C080A9V4VB *UD2C080B9V4VB *UD2B00A9V3VB *UD2C00A9V5VB *UD2C00B9V5VB *UD2DA9V5VB *UD2DB9V5VB *UD2D40A9V5VB *DD2B060A9V3VA *DD2B080A9V3VA *DD2C00A9V5VA *DD2DA9V5VA X340989P7 IMPORTANT This document contains a wiring diagram and service information. This is customer property and is to remain with this unit. Please return to service information pack upon completion of work. WARNING DISCONNECT POWER BEFORE SERVICING MODEL TYPE RATINGS 2 st Stage Input BTUH st Stage Capacity BTUH (ICS) 3 2nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS) 3 Temp. rise (Min.-Max.) F. BER DRIVE Diameter - Width (In.) No. Used Speeds (No.) vs. in. w.g. Motor HP R.P.M. Volts / Ph / Hz COMBUSTION FAN Type Drive - No. Speeds Motor HP - RPM Volts / Ph / Hz FLA FILTER Furnished? Type Recommended Hi Vel. (No.-Size-Thk.) VENT Size (In.) HEAT EXCHANGER Type -Fired -Unfired Gauge (Fired) ORIFICES Main Nat. Gas. Qty. Drill Size L.P. Gas Qty. Drill Size GAS VALVE PILOT SAFETY DEVICE Type BURNERS Type Number POWER CONN. V / Ph / Hz 4 Ampacity (In Amps) Max. Overcurrent Protection (Amps) PIPE CONN. SIZE (In.) DIMENSIONS Crated (In.) WEIGHT Shipping (Lbs.) / Net (Lbs.) Product Specifications *UD2B060A9V3VB Upflow / Horizontal,000 3,0 60,000, Direct 0 x 7 See Airflow Table /2 Centrifugal Direct - 2 /00-25/ /0.40 Yes High Velocity - 7x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 9-/2 x 30-/2 36 / 26 *UD2B080A9V3VB Upflow / Horizontal,000 4,600 80,000 64, Direct 0 x 7 See Airflow Table /2 Centrifugal Direct - 2 /00-25/ /0.40 Yes High Velocity - 7x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 9-/2 x 30-/2 42 / 32 *UD2C080A9V4VB Upflow / Horizontal,000 4,600 80,000 64, Direct 0 x 0 See Airflow Table 3/4 Centrifugal Direct - 2 /00-25/ /0.40 Yes High Velocity - x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 23 x 30-/2 66 / 55 Central Furnace heating designs are certified to ANSI Z2. / CSA For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per,000 feet for elevations above 2,000 feet above sea level. For Canadian applications, above input ratings (BTUH) are up to 4,0 feet, derate 4% per,000 feet for elevations above 4,0 feet above sea level. 3 Based on U.S. government standard tests. 4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes. NOTICE: Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right to change design and specifications without notice. 0 Trane

2 MODEL TYPE RATINGS 2 st Stage Input BTUH st Stage Capacity BTUH (ICS) 3 2nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS) 3 Temp. rise (Min.-Max.) F. BER DRIVE Diameter - Width (In.) No. Used Speeds (No.) vs. in. w.g. Motor HP R. P.M. Volts / Ph / Hz COMBUSTION FAN Type Drive - No. Speeds Motor HP - RPM Volts / Ph / Hz FLA FILTER Furnished? Type Recommended Hi Vel. (No.-Size-Thk.) VENT Size (In.) HEAT EXCHANGER Type -Fired -Unfired Gauge (Fired) ORIFICES Main Nat. Gas. Qty. Drill Size L.P. Gas Qty. Drill Size GAS VALVE PILOT SAFETY DEVICE Type BURNERS Type Number POWER CONN. V / Ph / Hz 4 Ampacity (In Amps) Max. Overcurrent Protection (Amps) PIPE CONN. SIZE (In.) DIMENSIONS Crated (In.) Product Specifications *UD2C080B9V4VB Upflow / Horizontal,000 4,600 80,000 64, Direct 0 x 0 See Airflow Table 3/4 Centrifugal Direct - 2 /00-25/ /0.40 Yes High Velocity - x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 23 x 30-/2 *UD2B00A9V3VB Upflow / Horizontal 65,000,000 00,000 80, Direct 0 x 7 See Airflow Table /2 Centrifugal Direct - 2 / / /0.49 Yes High Velocity - 7x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 9-/2 x 30-/2 *UD2C00A9V5VB Upflow / Horizontal 65,000,000 00,000 79, Direct 0 x 0 See Airflow Table Centrifugal Direct - 2 / / /0.49 Yes High Velocity - x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 23 x 30-/2 WEIGHT Shipping (Lbs.) / Net (Lbs.) 66 / / / 55 Central Furnace heating designs are certified to ANSI Z2. / CSA For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per,000 feet for elevations above 2,000 feet above sea level. For Canadian applications, above input ratings (BTUH) are up to 4,0 feet, derate 4% per,000 feet for elevations above 4,0 feet above sea level. 3 Based on U.S. government standard tests. 4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes. 2 X340989P7

3 Product Specifications MODEL TYPE RATINGS 2 st Stage Input BTUH st Stage Capacity BTUH (ICS) 3 2nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS) 3 Temp. rise (Min.-Max.) F. BER DRIVE Diameter - Width (In.) No. Used Speeds (No.) vs. in. w.g. Motor HP R. P.M. Volts / Ph / Hz COMBUSTION FAN Type Drive - No. Speeds Motor HP - RPM Volts / Ph / Hz FLA FILTER Furnished? Type Recommended Hi Vel. (No.-Size-Thk.) VENT Size (In.) HEAT EXCHANGER Type -Fired -Unfired Gauge (Fired) ORIFICES Main Nat. Gas. Qty. Drill Size L.P. Gas Qty. Drill Size GAS VALVE PILOT SAFETY DEVICE Type BURNERS Type Number POWER CONN. V / Ph / Hz 4 Ampacity (In Amps) Max. Overcurrent Protection (Amps) PIPE CONN. SIZE (In.) DIMENSIONS Crated (In.) WEIGHT Shipping (Lbs.) / Net (Lbs.) *UD2C00B9V5VB Upflow / Horizontal 65,000,000 00,000 79, Direct 0 x 0 See Airflow Table Centrifugal Direct - 2 / / /0.49 Yes High Velocity - x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 23 x 30-/2 66 / 55 *UD2DA9V5VB Upflow / Horizontal 78,000 62,400,000 97, Direct 0 x 0 See Airflow Table Centrifugal Direct - 2 / /2225.4/0.5 Yes High Velocity - 24x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 26-/2 x 30-/2 93 / 8 *UD2DB9V5VB Upflow / Horizontal 78,000 62,400,000 97, Direct 0 x 0 See Airflow Table Centrifugal Direct - 2 / /2225.4/0.5 Yes High Velocity - 24x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 26-/2 x 30-/2 93 / 8 *UD2D40A9V5VB Upflow / Horizontal 9,000 72,800 40,000, Direct 0 x 0 See Airflow Table Centrifugal Direct - 2 /60-300/23.6/0. Yes High Velocity - 24x25 - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 26-/2 x 30-/2 97 / 85 X340989P7 3

4 Product Specifications MODEL TYPE RATINGS 2 st Stage Input BTUH st Stage Capacity BTUH (ICS) 3 2nd Stage Input BTUH 2nd Stage Capacity BTUH (ICS) 3 Temp. rise (Min.-Max.) F. BER DRIVE Diameter - Width (In.) No. Used Speeds (No.) vs. in. w.g. Motor HP R. P.M. Volts / Ph / Hz COMBUSTION FAN Type Drive - No. Speeds Motor HP - RPM Volts / Ph / Hz FLA FILTER Furnished? Type Recommended Hi Vel. (No.-Size-Thk.) VENT Size (In.) HEAT EXCHANGER Type -Fired -Unfired Gauge (Fired) ORIFICES Main Nat. Gas. Qty. Drill Size L.P. Gas Qty. Drill Size GAS VALVE PILOT SAFETY DEVICE Type BURNERS Type Number POWER CONN. V / Ph / Hz 4 Ampacity (In Amps) Max. Overcurrent Protection (Amps) PIPE CONN. SIZE (In.) DIMENSIONS Crated (In.) WEIGHT Shipping (Lbs.) / Net (Lbs.) *DD2B060A9V3VA Downflow / Horizontal,000 3,0 60,000, Direct 0 x 7 See Airflow Table /2 Centrifugal Direct - 2 /00-25/ /0.40 Yes High Velocity 2-4x - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 9-/2 x 30-/2 40 / 29 *DD2B080A9V3VA Downflow / Horizontal,000 4,600 80,000 63, Direct 0 x 7 See Airflow Table /2 Centrifugal Direct - 2 /00-25/ /0.40 Yes High Velocity 2-4x - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 9-/2 x 30-/2 46 / 35 *DD2C00A9V5VA Downflow / Horizontal 65,000,000 00,000 8, Direct x 0 See Airflow Table Centrifugal Direct - 2 / / /0.49 Yes High Velocity 2-6x - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 23 x 30-/2 66 / 55 DD2DA9V5VA Downflow / Horizontal 78,000 62,400,000 95, Direct x 0 See Airflow Table Centrifugal Direct - 2 / /2225.4/0.5 Yes High Velocity 2-6x - in. 4 Round Alum. Steel - Type Redundant - Two Stage Hot Surface Ignition Multi-port In-shot /2 H x W x D 4-3/4 x 26-/2 x 30-/2 97 / 85 Central Furnace heating designs are certified to ANSI Z2. / CSA For U.S. applications, above input ratings (BTUH) are up to 2,000 feet, derate 4% per,000 feet for elevations above 2,000 feet above sea level. For Canadian applications, above input ratings (BTUH) are up to 4,0 feet, derate 4% per,000 feet for elevations above 4,0 feet above sea level. 3 Based on U.S. government standard tests. 4 The above wiring specifications are in accordance with National Electrical Code; however, installations must comply with local codes. 4 X340989P7

5 CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death. The following steps shall be followed for each appliance connected to the venting system being placed into operation, while all other appliances connected to the venting system are not in operation:. Seal any unused openings in the venting system. 2. Inspect the venting system for proper size and horizontal pitch, as required in the National Fuel Gas Code, ANSI Z223./NFPA or the CAN/CGA B49 Installation Codes and these instructions. Determine that there is no blockage or restriction, leakage, corrosion and other deficiencies which could cause an unsafe condition. 3. As far as practical, close all building doors and windows and all doors between the space in which the appliance(s) connected to the venting system are located and other deficiencies which could cause an unsafe condition. 4. Close fireplace dampers. 5. Turn on clothes dryers and any appliance not connected to the venting system. Turn on any exhaust fans, such as range hoods and bathroom exhausts, so they are operating at maximum speed. Do not operate a summer exhaust fan. 6. Follow the lighting instructions. Place the appliance being inspected into operation. Adjust the thermostat so appliance is operating continuously. 7. If improper venting is observed during any of the above tests, the venting system must be corrected in accordance with the National Fuel Gas Code, ANSI Z22./NFPA and/or CAN/CGA B49 Installation Codes. 8. After it has been determined that each appliance connected to the venting system properly vents where tested as outlined above, return doors, windows, exhaust fans, fireplace dampers and any other gas-fired burning appliance to their previous conditions of use.! WARNING The cabinet must have an uninterrupted or unbroken ground according to National Electrical Code, ANSI/NFPA 70 - latest edition and Canadian Electrical Code, CSA C22. or local codes to minimize personal injury if an electrical fault should occur. A failure to follow this warning could result in an electrical shock, fire, injury, or death. Safety Section Service Facts! WARNING! WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the installation instructions for the venting system being placed into operation could result in carbon monoxide poisoning or death.! WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury, death or property damage. Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections. A fire or explosion may result causing property damage, personal injury, or loss of life.! WARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury, death or property damage. Improper servicing could result in dangerous operation, serious injury, death, or property damage.! WARNING BODILY INJURY CAN RESULT FROM VOLTAGE ELECTRICAL COMPONENTS, FAST MOVING FANS, AND COMBUSTIBLE GAS. FOR PROTECTION FROM THESE INHERENT HAZARDS DURING INSTALLATION AND SERVICING, THE ELECTRICAL SUPPLY MUST BE DISCONNECTED AND THE MAIN GAS VALVE MUST BE TURNED OFF. IF OPERATING CHECKS MUST BE PERFORMED WITH THE UNIT OPERATING, IT IS THE TECHNICIANS RESPONSIBILITY TO RECOGNIZE THESE HAZARDS AND PROCEED SAFELY. CAUTION! THE INTEGRATED FURNACE CONTROL IS POLARITY SENSITIVE. THE HOT LEG OF THE 5 VAC POWER MUST BE CONNECTED TO THE BLACK FIELD LEAD. X340989P7 5

6 Sequence Of Operation Thermostat call for heat (2-stage thermostat) Call for st stage only: R and W thermostat contacts close signaling the control module to run its self-check routine. After the control module has verified that the st stage pressure switch contacts are open and the limit switch(es) contacts are closed, the draft blower will be energized. As the induced draft blower comes up to speed, the pressure switch contacts will close and the ignitor warm up period will begin. The igniter will heat for approx. 7 seconds, then the gas valve is energized in st stage to permit gas flow to the burners. The flame sensor confirms that ignition has been achieved within the 4 second ignition trial period. As the flame sensor confirms that ignition has been achieved, the delay to fan ON period begins timing and after approx. seconds the indoor blower motor will be energized at low speed and will continue to run during the heating cycle. Call for 2nd stage after st stage: R and W2 thermostat contacts close signaling a call for 2nd stage heat. After a 30 second delay, the induced draft blower will be energized on high speed and the 2nd stage pressure switch contacts will close allowing the gas valve to be energized in 2nd stage and the indoor blower motor in high speed. 2nd stage satisfied, st stage still called: R and W2 thermostat contacts open signaling that 2nd stage heating requirements are satisfied. The induced draft blower is reduced to low speed allowing the 2nd stage pressure switch contacts to open and the gas valve is reduced to st stage. After approx. 30 seconds the indoor blower motor is reduced to low speed. st stage satisfied: R and W thermostat contacts open signaling that st stage heating requirements are satisfied. The gas valve will close and the induced draft blower will be de-energized. The indoor blower motor will continue to run for the heating fan off period (Field selectable at 90,, or 80 seconds), then will be de-energized by the control module. Thermostat call for heat (-stage Thermostat) R and W thermostats close signaling a call for heat. st stage sequence of operation remains the same as above. 2nd stage delay will be reflective dip switch S7- and S7-2. Reference the back of service facts for delay options. Thermostat satisfied (-stage Thermostat): Contacts open signaling the control module to close the gas valve and de-energize the induced draft blower. The indoor blower motor will continue to operate at high heat speed for approx. 30 seconds after the flames are extinguished and then is switched to low heat speed for the remaining FAN- OFF period.! WARNING Should overheating occur, or the gas supply fail to shut off, shut off the gas valve to the unit before shutting off the electrical supply. Failure to follow this warning could result in property damage, personal injury, or death. Indoor Blower Timing Heating: The ECM Fan Control controls the variable speed indoor blower. The blower on time is fixed at seconds after ignition. The FAN-OFF period is field selectable by dip switches S7-3 and S7-4 on the Integrated Furnace Control at 90,,, or 80 seconds. The factory setting is 90 seconds (See unit wiring diagram). Cooling: The fan delay-off period is set by dip switches on the ECM Fan Control board connected to the Integrated Furnace Control. The options for cooling delay off is field selectable by dip switches S4- and S4-2. The following table and graph explain the delay-off settings: COOLING OFF - DELAY OPTIONS SWITCH S SELECTION NOMINAL AIRF S4- - OFF S4-2 - OFF NONE SAME S4- - ON S4-2 - OFF.5 MINUTES 00% * S4- - OFF S4-2 - ON 3 MINUTES % S4- - ON S4-2 - ON ** - 00% * - This setting is equivalent to BAY24X0 relay benefit ** - This selection provides ENHANCED MODE, which is a ramping up and ramping down of the blower speed to provide improved comfort, quietness, and potential energy savings. See Wiring Diagram notes on the unit or in the Service Facts for complete wiring setup for ENHANCED MODE. The graph which follows, shows the ramping process. OFF % 80% minute Dehumidify Fast Coil Cooling 7.5 minutes 00% if necessary Efficiency %! WARNING BODILY INJURY CAN RESULT FROM VOLTAGE ELECTRICAL COMPONENTS, FAST MOVING FANS, AND COMBUSTIBLE GAS. FOR PROTECTION FROM THESE INHERENT HAZARDS DURING INSTALLATION AND SERVICING, THE ELECTRICAL SUPPLY MUST BE DISCONNECTED AND THE MAIN GAS VALVE MUST BE TURNED OFF. IF OPERATING CHECKS MUST BE PERFORMED WITH THE UNIT OPERATING, IT IS THE TECHNICIANS RESPONSIBILITY TO RECOGNIZE THESE HAZARDS AND PROCEED SAFELY.! CAUTION THE INTEGRATED FURNACE CONTROL IS POLARITY SENSITIVE. THE HOT LEG OF THE 5 VAC POWER MUST BE CONNECTED TO THE BLACK FIELD LEAD. 3 minutes OFF 6 X340989P7

7 ! WARNING Disconnect power to the unit before removing the blower door. Failure to follow this warning could result in personal injury from moving parts.. GENERAL INSPECTION Examine the furnace installation annually for the following items: a. All flue product carrying areas external to the furnace (i.e. chimney, vent connector) are clear and free of obstruction. A vent screen in the end of the vent (flue) pipe must be inspected for blockage annually. b. The vent connector is in place, slopes upward and is physically sound without holes or excessive corrosion. c. The return air duct connection(s) is physically sound, is sealed to the furnace and terminates outside the space containing the furnace. d. The physical support of the furnace should be sound without sagging, cracks, gaps, etc., around the base so as to provide a seal between the support and the base. e. There are no obvious signs of deterioration of the furnace. 2. FILTERS Filters should be cleaned or replaced (with high velocity filters only), monthly and more frequently during high use times of the year such as midsummer or midwinter. 3. BERS The blower size and speed determine the air volume delivered by the furnace. The blower motor bearings are factory lubricated and under normal operating conditions do not require servicing. If motor lubrication is required it should only be done by a qualified servicer. Annual cleaning of the blower wheel and housing is recommended for maximum air output, and this must be performed only by a qualified servicer or service agency. 4. IGNITER This unit has a special hot surface direct ignition device that automatically lights the burners. Please note that it is very fragile and should be handled with care.! CAUTION Do not touch igniter. It is extremely hot. 5. BURNER Gas burners do not normally require scheduled servicing, however, accumulation of foreign material may cause a yellowing flame or delayed ignition. Either condition indicates that a service call is required. For best operation, burners must be cleaned annually using brushes and vacuum cleaner. Turn off gas and electric power supply. To clean burners, remove burner box cover (6 to 8 screws) and top burner bracket. Lift burners from orifices. NOTE: Be careful not to break igniter when removing burners. Clean burners with brush and/or vacuum cleaner. Reassemble parts by reversal of the above procedure. The burner box must be resealed when replacing box cover. Periodic Servicing Requirements Service Facts NOTE: On LP (propane) units, some light yellow tipping of the outer mantle is normal. Inner mantle should be bright blue. Natural gas units should not have any yellow tipped flames. This condition indicates that a service call is required. For best operation, burners must be cleaned annually using brushes and vacuum cleaner. NOTE: On LP (propane) units, due to variations in BTU content and altitude, servicing may be required at shorter intervals.! WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the service and/or periodic maintenance instructions for the furnace and venting system, could result in carbon monoxide poisoning or death. 6. HEAT EXCHANGER/FLUE PIPE These items must be inspected for signs of corrosion, and/or deterioration at the beginning of each heating season by a qualified service technician and cleaned annually for best operation. To clean flue gas passages, follow recommendations below: a. Turn off gas and electric power supply. b. Inspect flue pipe exterior for cracks, leaks, holes or leaky joints. Some discoloration of PVC pipe is normal. c. Remove burner compartment door from furnace. d. Inspect around insulation covering flue collector box. Inspect induced draft blower connections from recuperative cell and to the flue pipe connection. e. Remove burners. (See 4.) f. Use a mirror and flashlight to inspect interior of heat exchanger, be careful not to damage the igniter, flame sensor or other components. g. If any corrosion is present, contact a service agency. Heat exchanger should be cleaned by a qualified service technician. h. After inspection is complete replace burner box cover, burners, and furnace door. i. Restore gas supply. Check for leaks using a soap solution. Restore electrical supply. Check unit for normal operation. 7. COOLING COIL CONDENSATE DRAIN If a cooling coil is installed with the furnace, condensate drains should be checked and cleaned periodically to assure that condensate can drain freely from coil to drain. If condensate cannot drain freely water damage could occur. (See Condensate Drain in Installer s Guide)! CAUTION Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. WARNING! NEVER USE AN OPEN FLAME TO TEST FOR GAS LEAKS. AN EXPLOSION COULD OCCUR, CAUSING INJURY OR DEATH. X340989P7 7

8 Electrical Data Service Facts Wiring Diagram (continued on next page) From Dwg. D3249P02 8 X340989P7

9 Schematic Diagram Service Facts From Dwg. D3249P02 X340989P7 9

10 Wiring Diagram (continued on next page) From Dwg. D32P02 0 X340989P7

11 Schematic Diagram Service Facts From Dwg. D32P02 X340989P7

12 Performance Data Service Facts *UD2B060A9V3VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2B060A9V3VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 / TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 / TON) ON ON OFF OFF (0 / TON) ON ON ON OFF (3 / TON) OFF ON OFF ON (400 / TON) OFF ON OFF OFF (0 / TON) OFF ON ON OFF (3 / TON) ON OFF OFF ON (400 / TON) ON OFF OFF OFF (0 / TON) ON OFF ON OFF (3 / TON) OFF OFF OFF ON ** ** (400 / TON) OFF OFF OFF OFF (0 / TON) OFF OFF ON OFF NOTES:. *FIRST LETTER MAY BE "A" OR "T" 2. **FACTORY. 3. CONTINUOUS FAN : OR COOLING AIRF IS APPROXIMATELY % OF SELECTED COOLING VALUE /TON IS RECOMMENDED FOR VARIABLE SPEED APPLICATION FOR COMFORT & HUMID CLIMATE : IS 400 /TON: 0 /TON IS FOR DRY CLIMATE. 2 X340989P7

13 *UD2B080A9V3VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND MEDIUM ** ON OFF OFF OFF *UD2B080A9V3VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First Letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting X340989P7 3

14 *UD2C080A9V4VB FURNACE AIRF () AND POWER () VS. WITH FILTER ST 2ND AIRF DIP SWITCH S4-3 S ON ON OFF OFF ON ON OFF OFF *UD2C080A9V4VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 /TON) ON ON OFF OFF (0 /TON) ON ON ON OFF (3 /TON) OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First Letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting 4 X340989P7

15 *UD2C080B9V4VB FURNACE AIRF () AND POWER () VS. WITH FILTER ST 2ND AIRF DIP SWITCH S4-3 S ON ON OFF OFF ON ON OFF OFF *UD2C080B9V4VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 /TON) ON ON OFF OFF (0 /TON) ON ON ON OFF (3 /TON) OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First Letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting X340989P7 5

16 *UD2B00A9V3VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2B00A9V3VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 /TON) ON ON OFF OFF (0 /TON) ON ON ON OFF (3 /TON) OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First Letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting 6 X340989P7

17 *UD2C00A9V5VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2C00A9V5VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 /TON) ON ON OFF OFF (0 /TON) ON ON ON OFF (3 /TON) OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting X340989P7 7

18 *UD2C00B9V5VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2C00B9V5VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 /TON) ON ON OFF OFF (0 /TON) ON ON ON OFF (3 /TON) OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting 8 X340989P7

19 *UD2DA9V5VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2DA9V5VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (See Notes) (3 / TON) DIP SWITCH S3- S3-2 S3-3 S OFF ON OFF ON (400 / TON) OFF ON OFF OFF (0 / TON) OFF ON ON OFF (3 / TON) ON OFF OFF ON (400 / TON) ON OFF OFF OFF (0 / TON) ON OFF ON OFF (3 / TON) OFF OFF OFF ON ** ** (400 / TON) OFF OFF OFF OFF (0 / TON) OFF OFF ON OFF NOTES: "CONTINUOUS FAN " IS THERMOSTAT FAN SWITCH "ON" AND DIP SWITCHS 5 AND 6 "ON".. *FIRST LETTER MAY BE "A" OR "T" 2. **FACTORY. 3. CONTINUOUS FAN : OR COOLING AIRF IS APPROXIMATELY % OF SELECTED COOLING VALUE /TON IS RECOMMENDED FOR VARIABLE SPEED APPLICATION FOR COMFORT & HUMID CLIMATE : IS 400 /TON: 0 /TON IS FOR DRY CLIMATE. X340989P7 9

20 *UD2DB9V5VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2DB9V5VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (See Notes) (3 / TON) DIP SWITCH S3- S3-2 S3-3 S OFF ON OFF ON (400 / TON) OFF ON OFF OFF (0 / TON) OFF ON ON OFF (3 / TON) ON OFF OFF ON (400 / TON) ON OFF OFF OFF (0 / TON) ON OFF ON OFF (3 / TON) OFF OFF OFF ON ** ** (400 / TON) OFF OFF OFF OFF (0 / TON) OFF OFF ON OFF NOTES: "CONTINUOUS FAN " IS THERMOSTAT FAN SWITCH "ON" AND DIP SWITCHS 5 AND 6 "ON".. *FIRST LETTER MAY BE "A" OR "T" 2. **FACTORY. 3. CONTINUOUS FAN : OR COOLING AIRF IS APPROXIMATELY % OF SELECTED COOLING VALUE /TON IS RECOMMENDED FOR VARIABLE SPEED APPLICATION FOR COMFORT & HUMID CLIMATE : IS 400 /TON: 0 /TON IS FOR DRY CLIMATE. X340989P7

21 *UD2D40A9V5VB FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *UD2D40A9V5VB FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First Letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting X340989P7 2

22 *DD2B060A9V3VA FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *DD2B060A9V3VA FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 / TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 / TON) ON ON OFF OFF (0 / TON) ON ON ON OFF (3 / TON) OFF ON OFF ON (400 / TON) OFF ON OFF OFF (0 / TON) OFF ON ON OFF (3 / TON) ON OFF OFF ON (400 / TON) ON OFF OFF OFF (0 / TON) ON OFF ON OFF (3 / TON) OFF OFF OFF ON ** ** (400 / TON) OFF OFF OFF OFF (0 / TON) OFF OFF ON OFF NOTES:. *FIRST LETTER MAY BE "A" OR "T" 2. **FACTORY. 3. CONTINUOUS FAN : OR COOLING AIRF IS APPROXIMATELY % OF SELECTED COOLING VALUE /TON IS RECOMMENDED FOR VARIABLE SPEED APPLICATION FOR COMFORT & HUMID CLIMATE : IS 400 /TON: 0 /TON IS FOR DRY CLIMATE. 22 X340989P7

23 *DD2B080A9V3VA FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *DD2B080A9V3VA FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting X340989P7 23

24 *DD2C00A9V5VA FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF *DD2C00A9V5VA FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S ON ON OFF ON (400 /TON) ON ON OFF OFF (0 /TON) ON ON ON OFF (3 /TON) OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting 24 X340989P7

25 DD2DA9V5VA FURNACE AIRF () AND POWER () VS. WITH FILTER AIRF DIP SWITCH S4-3 S ON ON ST OFF OFF ON ON ND OFF OFF DD2DA9V5VA FURNACE COOLING AIRF () AND POWER () VS. WITH FILTER OUTDOOR UNIT SIZE (TONS) AIRF (3 /TON) DIP SWITCH S3- S3-2 S3-3 S OFF ON OFF ON (400 /TON) OFF ON OFF OFF (0 /TON) OFF ON ON OFF (3 /TON) ON OFF OFF ON (400 /TON) ON OFF OFF OFF (0 /TON) ON OFF ON OFF (3 /TON) OFF OFF OFF ON ** ** (400 /TON) OFF OFF OFF OFF (0 /TON) OFF OFF ON OFF NOTES:. * First Letter may be "A" or "T" 2. ** Factory setting 3. Continuous Fan Setting: Heating or Cooling airflow is approximately % of selected Cooling value cfm/ton is recommended for Speed application for COMFORT & HUMID CLIMATE setting; is 400 cfm/ton; 0 cfm/ton is for DRY CLIMATE setting X340989P7 25

26 The following warning complies with State of California law, Proposition 65.! WARNING This product contains fiberglass wool insulation! Fiberglass dust and ceramic fibers are believed by the State of California to cause cancer through inhalation. Glasswool fibers may also cause respiratory, skin, or eye irritation. PRECAUTIONARY MEASURES Avoid breathing fiberglass dust. Use a NIOSH approved dust/mist respirator. Avoid contact with the skin or eyes. Wear long-sleeved, loose-fitting clothing, gloves, and eye protection. Wash clothes separately from other clothing: rinse washer thoroughly. Operations such as sawing, blowing, tear-out, and spraying may generate fiber concentrations requiring additional respiratory protection. Use the appropriate NIOSH approved respirator in these situations. FIRST AID MEASURES Eye Contact Flush eyes with water to remove dust. If symptoms persist, seek medical attention. Skin Contact Wash affected areas gently with soap and warm water after handling. * The diagnostics will indicate the specific fault through the following code: GREEN LED AMBER LED RED LED ERROR FLASH FLASH FLASH Flame Sensed when no flame should be present 2 Pressure switch stuck closed 3 st stage pressure switch is open / not closing 4 Open thermal limit or open rollout 5 Open low voltage fuse 6 st stage pressure switch opened 5 times within one cycle-- hour lockout 7 System lockout Retry 8 System lockout Recycle 9 Reverse polarity or poor grounding 0 Gas valve energized without call for heat 2 Ignitor relay failure internal in board. Replace IFC Solid Gas valve relay failure internal in board. Replace IFC 3 Double 2nd stage pressure switch open; system reverts back to st stage heat st stage call for heat 2 2nd stage call for heat 3 W2 call present without W 4 Y call present without G Rapid Low flame sense current Standby mode or call for cooling 26 X340989P7

27 Troubleshooting and Additional Information Service Facts Board layout. Points for flame rectification readings VDC = ua S7 switch for W2 delay with single stage thermostat and heating blower delays S5- for HP or Non Heat pump selection S5-2 for humidistat & BK enabling Fault Retrieval Status & Fault LED LED One flash equal 00 requested Blower air flow settings and cooling time delays 5 amp fuse LED Jumper Do not cut X340989P7 27

28 Board layout. S7 switches & 2 for W2 delay Leave both switches off when using a 2- stage stat or enabling a W only call. See Troubleshooting for details on Auto S7 switches 3 & 4 for blower delay in heating S5 switches & 2 S3- & S3-2 control system tonnage. These switches configure air flow to match the tonnage of the condenser. Reference door panel or blower performance tables for settings S3-3 & S3-4 control per ton S3-3 S3-4 S4-3 & S4-4 control blower heating speeds. Reference blower tables for required heating air flow. 28 X340989P7

29 Fault Code Retrieval The IFC has the ability to store fault codes in memory. To retrieve previous faults, push and release the last error button for to 5 seconds. The LED will flash up to five stored fault codes beginning with the most recent. There is a two second delay between the faults displayed. The LED will flash two green flashes if there are no fault codes in memory. Fault Code Reset Push and hold the last error button between 5 and 0 seconds to clear all faults from memory. The LED will flash three green flashes to confirm that memory has been cleared. BK Feature Enabling the BK feature is done through the S5-2 switch on the IFC. The switch comes in the de-activated ON position from the factory. Move this switch to the OFF position to enable the BK function of the board. Do not cut any jumpers on this board. The BK feature is used for blower modulation when using a humidistat for de-humidification, a two step scroll compressor system, a 402 thermostat (with BK enabled), or residential zoning. A jumper must be placed between R & O on the low voltage terminal board to engage the BK circuit W2 staging time delay options with single stage stat The auto mode can be used when employing a single stage heating thermostat. This mode allows the furnace to move into second stage based on the past three hour duty cycle of the furnace. *A furnace running in mild conditions will have a low duty cycle and a second stage delay of 0 to 2 minutes. *A furnace running in normal conditions will have an average duty cycle and a second stage delay of 5 to 7 minutes. *A furnace running in cold conditions will have a high duty cycle and a second stage delay of only to 3 minutes. Leave S7- & S7-2 to the off position when using a 2-stage thermostat. The V5 Control board uses a 5 Silicone Nitride Igniter. This control board does not reduce the voltage to the igniter as other boards do. Do not use lower voltage igniters as replacement options. Only use the OEM igniter for replacement. X340989P7 29

30 NOTICE: Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right to change design and specifications without notice. 30 X340989P7