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18-CD24D1-2

Installer’s Guide

INTEGRATED FURNACE CONTROL RED LED "ERROR" FLASH CODES

2 Flashes ---

System Lockout (Retries or Recycles exceeded)

3 Flashes ---

Draft Pressure Error - Possible problems:

  a) Venting problem
  b) Pressure switch problem
  c) Inducer problem

4 Flashes ---

Open Temperature Limit Switch

5 Flashes ---

Flame sensed when no flame should be present

6 Flashes ---

115 volt AC power reversed, ignitor (Triac) fault, poor grounding or

system voltage too low

7 Flashes ---

Gas valve circuit error

8 Flashes ---

Low flame sense

9 Flashes ---

Open Inducer Limit switch

10 Flashes ---

Inducer communication error

Solid ---

Internal GV error or Low TH voltage

Solid Red w/Solid
Green "STATUS" LED

Continuous Reset caused by a blown fuse or internal error.

IFC Error Flash Codes

INDOOR MOTOR MAINTENANCE

NOTE: Direct drive motors have bearings which are
permanently  lubricated and under normal use, lubri-
cation is not recommended.

Failure to follow safety warnings exactly, could 
result in a fire or explosion causing property 
damage, personal injury or loss of life. 

— Do not store or use gasoline or other flammable 

vapors and liquids in the vicinity of this or any  
other appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; 

do not use any phone in your building.

• Immediately call your gas supplier from a 

neighbor’s phone. Follow the gas supplier’s 
instructions.

• If you cannot reach your gas supplier,  

call the fire department. 

— Installation and service must be performed by  

a qualified installer, service agency or the gas 
supplier.

WARNING

!

WARNING

!

The following warning complies with State of California law, Proposition 65.

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.

Summary of Contents for AUD2B060AFV32A

Page 1: ...degree or level of seriousness associated with a particular hazard The signal words for safety markings are WARNING and CAUTION a WARNING indicates a potentially hazardous situation which if not avoid...

Page 2: ...ected 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...

Page 3: ...NET FAILURE TO FOLLOW THIS WARNING COULD RESULT IN PROPERTY DAMAGE PERSONAL INJURY OR DEATH 8 A gas fired Furnace for installation in a residential garage must be installed as specified in Location an...

Page 4: ...he builder or the installer However before the Furnace is moved into place be sure to consider the following requirements 1 Is the location selected as near the chimney or vent and as centralized for...

Page 5: ...e it must be installed so that the burners and the ig nition source are located not less than 18 inches above the floor and the Furnace must be located or protected to avoid physical damage from vehic...

Page 6: ...NSIONS ARE IN INCHES MODEL DIM A DIM B DIM C DIM D DIM E UD2B060AFV32A UD2B080AFV32A UD2B100AFV32A 17 1 2 9 5 8 16 1 4 16 16 UD2C080AFV42A 21 13 1 16 19 3 4 19 1 2 19 1 2 UD2D120AFV52A 24 1 2 15 5 16...

Page 7: ...tart up g Set furnace in place Repeat step a g in reverse or der Do Not put cardboard back in Furnace Inner blower door MUST be put back into place UPFLOW FURNACE CASED COIL SCREWS BOTH SIDES STANDOFF...

Page 8: ...e at least 32 in length to allow for access to service panels If the Furnace is suspended using steel strap it must be sup ported at all four corners and in the middle at the front of the Furnace Figu...

Page 9: ...Z223 1 or Sections 7 2 7 3 or 7 4 of CSA B149 1 Installation Codes and applicable provi sions of the local building codes Special conditions cre ated by mechanical exhausting of air and fireplaces mus...

Page 10: ...run full size from the Furnace to a location outside the utility room basement attic or crawl space Do NOT install return air through the back of the Fur nace cabinet Confined spaces are installations...

Page 11: ...re smoke or unsafe levels of carbon monoxide These devises should be listed by Underwriters Labo ratories Inc Standards for Single and Multiple Station Carbon Monoxide Alarms UL 2034 or CSA Interna ti...

Page 12: ...result in carbon monoxide poisoning or death NOTE The following section does not apply if BAYVENT800B Masonry Chimney Vent Kit is used All instructions with the kit must be followed GENERAL VENTING I...

Page 13: ...ow are desired for com fort use long fan cycles instead of continuous air flow 9 Apply other good venting practices as stated in the venting section of the National Fuel Gas Code ANSI Z223 1 latest ed...

Page 14: ...for thermostats requiring connection to transformer common terminal 11 Optional humidistat is to be connected between R and BK Factory installed jumper R to BK on the circuit board must be cut if opt...

Page 15: ...delays 9 Optional humidistat is to be connected between R and BK Factory installed jumper R to BK on the circuit board must be cut if optional humidistat is used The jumper must also be cut when apply...

Page 16: ...R SEE NOTE 9 FIELD ADDED JUMPER W1 TO W2 2ND STAGE WILL FIRE 10 MINUTES AFTER 1ST B C B C TO 115 V 1 PH 60 HZ POWER SUPPLY PER LOCAL CODES HUM SEE NOTE 5 FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAG...

Page 17: ...NOTE 9 W14 JUMPER SEE NOTE 9 From Dwg B342020 Rev 0 B C B C TO 115 V 1 PH 60 HZ POWER SUPPLY PER LOCAL CODES HUM SEE NOTE 5 FIELD WIRING DIAGRAM FOR VARIABLE SPEED 2 STAGE FURNACE 2 STAGE HEATING 1 ST...

Page 18: ...only non heat pump systems jumper Y to O for proper operation of the delay profiles and the Humidis tat For two compressor or two speed systems jumper Ylo to O The factory installed jumper between R...

Page 19: ...on with liquefied petroleum gases Refer to piping Table 6 for delivery sizes Connect gas supply to the unit using a ground joint union and a manual shut off Valve as shown in Figures 14 and 15 Nationa...

Page 20: ...JOINT GROUND UNION JOINT DRIP LEG DRIP LEG AIR FLOW AIR FLOW The Furnace must be isolated from the gas supply pip ing by closing its individual manual shut off Valve dur ing any pressure testing of th...

Page 21: ...To adjust the Manifold Pressure a Turn off all electrical power to the system b Attach a Manifold Pressure gauge to the outlet pressure tap marked OUT PRESS TAP on White Rodgers gas valve model 36G se...

Page 22: ...56 25 288 46 157 74 97 132 54 26 277 47 153 76 95 136 53 27 267 48 150 78 92 140 51 28 257 49 147 80 90 144 50 TABLE 8 FINAL MANIFOLD PRESSURE SETTINGS inches w c FUEL 2nd Stage Max 1st Stage Max NAT...

Page 23: ...he Gas Valve is energized to permit the flow of gas to the burners After ignition and flame is established the flame control module monitors the flame and supplies power to the Gas Valve until the Com...

Page 24: ...ling that 1st Stage heating requirements are satisfied The Gas Valve will close and the induced draft blower and the whole house air cleaner will be de energized The in door blower motor will continue...

Page 25: ...of 15 seconds for IFC power supply to discharge to 0 volts Failure to follow this warning could result in property damage personal injury or death WARNING Operation with the door removed or ajar can...

Page 26: ...OF FLAME If loss of flame occurs during a heating cycle or flame is not present at the sensor the flame control module will close the Gas Valve The flame control module will then recycle the ignition...

Page 27: ...ELD CHARGER CAUTION FIELD CHARGER PINS ARE SHARP DO NOT BEND FIELD CHARGER PINS WEAR APPROPRIATE GLOVES WHEN HANDLING THE FIELD CHARGER 1 Turn off the Comfort Control and the service dis connect 2 Tur...

Page 28: ...ELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s...

Page 29: ...edge the reset by turning on the Red LED for 2 seconds UX2 DX2 Integrated Furnace Control INTEGRATED FURNACE CONTROL GREEN STATUS LED FLASH CODES Flashing Slow Normal No call for Heat Flashing Fast No...

Page 30: ...ints are tight 6 Make sure secondary drain pan is installed 7 Check power supply for correct requirements per unit nameplate 8 Energize the system and carefully observe its op eration make any necessa...

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