Carrier 58CTA/CTX- Manuals

6 THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED ABOVE THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED DOWNWARD THE BLOW...

7 FIRE, INJURY OR DEATH HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage.When the furnace is installed in a residential garage, the burners and ignition sources must be located at least 18 inches (457 mm) above the floor. The furnace must be locate...

8 equipped with means to prevent operation of either unit unlessthe damper is in the full--heat or full--cool position. AIR FOR COMBUSTION AND VENTILATION Provisions for adequate combustion, ventilation, and dilution air must be provided in accordance with:U.S. installations: Section 9.3 of the NFPA...

10 Table 3 – Minimum Space Volumes for 100% Combustion, Ventilation, and Dilution from Indoors ACH OTHER THAN FAN --- ASSISTED TOTAL (1,000s BTUH GAS INPUT RATE) FAN --- ASSISTED TOTAL (1,000s BTUH GAS INPUT RATE) 30 40 50 44 66 88 110 132 154 Space Volume (ft.3) 0.60 1,050 1,400 1,750 1,100 1,650 2...

12 Platform Furnace Support Construct working platform at location where all required furnace clearances are met. (See Fig. 2 and 17.) For furnaces with 1--in.(25 mm) clearance requirement on side, set furnace on non--combustible blocks, bricks or angle iron. For crawlspaceinstallations, if the furn...

15 30-IN . (762mm) MIN WORK AREA 6 ″ M IN * TYPE-B VENT 17 3 / 4 ″ 22 ″ SHEET MET AL SEDIMENT TRAP EQUIPMENT MANU AL SHUT -OFF GAS VA LV E LINE CONT A CT ONL Y PERMISSIBLE BETWEEN LINES FORMED BY INTERSECTIONS OF THE T OP AND TW O SIDES OF THE FURNA CE JA CKET AND BUILDING JOISTS , STUDS , OR FRAMIN...

19 Gas piping must be installed in accordance with national andlocal codes. Refer to current edition of NFGC in the U.S. and the CAN/CSA--B149.1--05 in Canada. Table 6 – Maximum Capacity of Pipe NOMINAL IRON PIPE SIZE IN. (MM) INTERNAL DIA. IN. (MM) LENGTH OF PIPE --- FT. (M) 10 (3.0) 20 (6.0) 30 (9...

20 115-VOLT FIELD- SUPPLIED FUSED DISCONNECT JUNCTION BOX CONTROL BOX 24-VOLT TERMINAL BLOCK THREE-WIRE HEATING- ONLY FIVE WIRE NOTE 2 NOTE 1 1-STAGE THERMOSTAT TERMINALS FIELD-SUPPLIED FUSED DISCONNECT CONDENSING UNIT FURNACE COM R W C Y R G GND GND FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VO...

21 Table 7 – Electrical Data VOLTS --- HERTZ --- PHASE OPERATING VOLTAGE RANGE MAX UNIT AMPS FURNACE SIZE UNIT AMPACITY# MAXIMUM WIRE LENGTH --- FT. (M)‡ MAXIMUM FUSE OR CKT BKR AMPS† MINIMUM WIRE GAUGE MAX* MIN.* 115 --- 60 --- 1 127 104 5.3 045 --- 08/024045 7.42 49 (14.9) 15 14 115 --- 60 --- 1 1...

22 6. Reinstall cover to J--Box. Do not pinch wires between cover and bracket. Electrical Box on Furnace Casing Side. See Fig. 25. FIRE OR ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death, or property damage.If field--supplied manual disconnect switch is ...

23 See notes 2, 5, 8, 10, 11 and 12 on the page following these figures A03179 Fig. 26 -- Two--Stage Furnace with Two--Speed Air Conditioner See notes 1, 2, 4, 6, 7, 9, 10, 11, and 15 on the page following these figures A03180 Fig. 27 -- Two--Stage Furnace with Single--Speed Heat Pump (Dual Fuel) Se...

25 ACCESSORIES 1. Electronic Air Cleaner (EAC) Connect an accessory Electronic Air Cleaner (if used) us- ing 1/4--in female quick connect terminals to the two male1/4--in quick--connect terminals on the control board marked EAC--1 and EAC--2. The terminals are rated for115VAC, 1.0 amps maximum and a...

26 CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death.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 step...

27 CHIMNEY INSPECTION CHART For additional requirements refer to the National Fuel Gas Code NFPA 54/ANSI Z223.1 and ANSI/NFPA 211 Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances in the U.S.A. or to the Canadian installation Code CSA-B149.1 in Canada. Consult Part C of chimney adapter ...

29 2. Adjust the gas input rate per the installation instructions. Low gas input rate causes low vent gas temperatures, caus- ing condensation and corrosion in the furnace and/or vent-ing system. Derating is permitted only for altitudes above2000 ft 3. Adjust the air temperature rise to the midpoint...

31 SEE NOTES: 1,2,4,7,8,9 on the page following these figures A03213 Fig. 41 -- Horizontal Left Application -- Vent Elbow Left SEE NOTES: 1,2,4,5,7,8,9 on the page following these figures A03214 Fig. 42 -- Horizontal Left Application -- Vent Elbow Right then Up SEE NOTES: 1,2,4,7,8,9 on the page fol...

33 A04127 Fig. 48 -- Using Tin Snips to Cut Tie Points CUT HAZARD Failure to follow this caution may result in personal injury.Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts and servicing furnaces. CAU...

34 A04129 Fig. 50 -- Knockout Pulled Loose A04130 Fig. 51 -- Hammer and Screwdriver Used for Knockout A04131 Fig. 52 -- Remove Knockout with Hammer BURN HAZARD Failure to follow this caution may cause personal injury.Hot vent pipe is within reach of small children when installed in downflow position...

35 Table 10 – 2--Stage Furnace Setup Switch Description SETUP SWITCH NO. SWITCH NAME NORMAL POSITION DESCRIPTION OF USE SW --- 1 Adaptive Heat Mode OFF When OFF, allows 2 --- stage operation with a single stage thermostat. Turn ON when using 2 stage thermostat to allow Low Heat opera --- tion when R...

38 Table 12 – Gas Rate (cu ft. /hr) SECONDS FOR 1 REVOLUTION SIZE OF TEST DIAL SECONDS FOR 1 REVOLUTION SIZE OF TEST DIAL 1 C U FT. 2 C U FT. 5 C U FT. 1 C U FT. 2 C U FT. 5 C U FT. 10 360 720 1800 50 72 144 360 11 327 655 1636 51 71 141 355 12 300 600 1500 52 69 138 346 13 277 555 1385 53 68 136 34...

39 NOTE : Using the 2 cu. ft. or 5 cu. ft. gas meter dial provides greater accuracy in verifying gas input rate.If clocked rate does not match required input from Step 1, increase manifold pressure to increase input or decrease manifold pressure to decrease input. Repeat steps b through e until corr...

40 Table 14 – 2--Stage Furnace Blower OFF delay Setup Switch DESIRED HEATING MODE BLOWER OFF DELAY (SEC.) SETUP SWITCH SW --- 2 SETUP SWITCH SW --- 3 90 OFF OFF 120 OFF ON 150 ON OFF 180 ON ON R Y W G 10 TURNS THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED (ANITICIPATOR, CLOCK, ETC., MUST BE O...

45 SERVICE AND MAINTENANCE PROCEDURES FIRE, PERSONAL INJURY AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury, death and/or property damage.The ability to properly perform maintenance on this equipment requires certain knowledge, mechanical skills, tools, and equi...

46 CONTINUOUS OFF - Check for 115VAC at L1 and L2, and 24VAC at SEC-1 and SEC-2. CONTINUOUS ON - Control has 24VAC power. RAPID FLASHING - Line voltage (115VAC) polarity reversed. If twinned, refer to twinning kit instructions. LED CODE EACH OF THE FOLLOWING STATUS CODES IS A TWO DIGIT NUMBER WITH T...

49 13. Verify that blower wheel is centered in blower housing and set screw contacts the flat portion of the motor shaft. Loosen set screw on blower wheel and reposition if neces-sary. 14. Spin the blower wheel by hand to verify that the wheel does not rub on the housing. 15. Reinstall blower assemb...

50 9. Using field--provided 25--caliber rifle cleaning brush, 36--in. (914 mm) long 1/4--in. (6 mm) diameter steel spring cable, a variable speed, reversible electric drill, andvacuum cleaner, clean cells as follows: a. Remove metal screw fitting from wire brush to allow in- sertion into cable. b. I...

53 nace control CPU will drop the blower speed back to HIHEAT speed. This alternating 10--minute cycle will con- tinue as long as there is a call for cooling. c. Cooling off--delay -- When the “call for cooling” is satis- fied and there is a demand for dehumidification, the cool- ing blower--off del...

6 THE BLOWER IS LOCATED TO THE RIGHT OF THE BURNER SECTION, AND AIR CONDITIONED AIR IS DISCHARGED TO THE LEFT. THE BLOWER IS LOCATED BELOW THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED UPWARD. THE BLOWER IS LOCATED ABOVE THE BURNER SECTION, AND CONDITIONED AIR IS DISCHARGED DOWNWARD THE BLOW...

7 FIRE, INJURY OR DEATH HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage.When the furnace is installed in a residential garage, the burners and ignition sources must be located at least 18 inches (457 mm) above the floor. The furnace must be locate...

8 equipped with means to prevent operation of either unit unlessthe damper is in the full--heat or full--cool position. AIR FOR COMBUSTION AND VENTILATION Provisions for adequate combustion, ventilation, and dilution air must be provided in accordance with:U.S. installations: Section 9.3 of the NFPA...

10 Table 3 – Minimum Space Volumes for 100% Combustion, Ventilation, and Dilution from Indoors ACH OTHER THAN FAN --- ASSISTED TOTAL (1,000s BTUH GAS INPUT RATE) FAN --- ASSISTED TOTAL (1,000s BTUH GAS INPUT RATE) 30 40 50 44 66 88 110 132 154 Space Volume (ft.3) 0.60 1,050 1,400 1,750 1,100 1,650 2...

12 Platform Furnace Support Construct working platform at location where all required furnace clearances are met. (See Fig. 2 and 17.) For furnaces with 1--in.(25 mm) clearance requirement on side, set furnace on non--combustible blocks, bricks or angle iron. For crawlspaceinstallations, if the furn...

15 30-IN . (762mm) MIN WORK AREA 6 ″ M IN * TYPE-B VENT 17 3 / 4 ″ 22 ″ SHEET MET AL SEDIMENT TRAP EQUIPMENT MANU AL SHUT -OFF GAS VA LV E LINE CONT A CT ONL Y PERMISSIBLE BETWEEN LINES FORMED BY INTERSECTIONS OF THE T OP AND TW O SIDES OF THE FURNA CE JA CKET AND BUILDING JOISTS , STUDS , OR FRAMIN...

19 Gas piping must be installed in accordance with national andlocal codes. Refer to current edition of NFGC in the U.S. and the CAN/CSA--B149.1--05 in Canada. Table 6 – Maximum Capacity of Pipe NOMINAL IRON PIPE SIZE IN. (MM) INTERNAL DIA. IN. (MM) LENGTH OF PIPE --- FT. (M) 10 (3.0) 20 (6.0) 30 (9...

20 115-VOLT FIELD- SUPPLIED FUSED DISCONNECT JUNCTION BOX CONTROL BOX 24-VOLT TERMINAL BLOCK THREE-WIRE HEATING- ONLY FIVE WIRE NOTE 2 NOTE 1 1-STAGE THERMOSTAT TERMINALS FIELD-SUPPLIED FUSED DISCONNECT CONDENSING UNIT FURNACE COM R W C Y R G GND GND FIELD 24-VOLT WIRING FIELD 115-, 208/230-, 460-VO...

21 Table 7 – Electrical Data VOLTS --- HERTZ --- PHASE OPERATING VOLTAGE RANGE MAX UNIT AMPS FURNACE SIZE UNIT AMPACITY# MAXIMUM WIRE LENGTH --- FT. (M)‡ MAXIMUM FUSE OR CKT BKR AMPS† MINIMUM WIRE GAUGE MAX* MIN.* 115 --- 60 --- 1 127 104 5.3 045 --- 08/024045 7.42 49 (14.9) 15 14 115 --- 60 --- 1 1...

22 6. Reinstall cover to J--Box. Do not pinch wires between cover and bracket. Electrical Box on Furnace Casing Side. See Fig. 25. FIRE OR ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death, or property damage.If field--supplied manual disconnect switch is ...

23 See notes 2, 5, 8, 10, 11 and 12 on the page following these figures A03179 Fig. 26 -- Two--Stage Furnace with Two--Speed Air Conditioner See notes 1, 2, 4, 6, 7, 9, 10, 11, and 15 on the page following these figures A03180 Fig. 27 -- Two--Stage Furnace with Single--Speed Heat Pump (Dual Fuel) Se...

25 ACCESSORIES 1. Electronic Air Cleaner (EAC) Connect an accessory Electronic Air Cleaner (if used) us- ing 1/4--in female quick connect terminals to the two male1/4--in quick--connect terminals on the control board marked EAC--1 and EAC--2. The terminals are rated for115VAC, 1.0 amps maximum and a...

26 CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death.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 step...

27 CHIMNEY INSPECTION CHART For additional requirements refer to the National Fuel Gas Code NFPA 54/ANSI Z223.1 and ANSI/NFPA 211 Chimneys, Fireplaces, Vents, and Solid Fuel Burning Appliances in the U.S.A. or to the Canadian installation Code CSA-B149.1 in Canada. Consult Part C of chimney adapter ...

29 2. Adjust the gas input rate per the installation instructions. Low gas input rate causes low vent gas temperatures, caus- ing condensation and corrosion in the furnace and/or vent-ing system. Derating is permitted only for altitudes above2000 ft 3. Adjust the air temperature rise to the midpoint...

31 SEE NOTES: 1,2,4,7,8,9 on the page following these figures A03213 Fig. 41 -- Horizontal Left Application -- Vent Elbow Left SEE NOTES: 1,2,4,5,7,8,9 on the page following these figures A03214 Fig. 42 -- Horizontal Left Application -- Vent Elbow Right then Up SEE NOTES: 1,2,4,7,8,9 on the page fol...

33 A04127 Fig. 48 -- Using Tin Snips to Cut Tie Points CUT HAZARD Failure to follow this caution may result in personal injury.Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts and servicing furnaces. CAU...

34 A04129 Fig. 50 -- Knockout Pulled Loose A04130 Fig. 51 -- Hammer and Screwdriver Used for Knockout A04131 Fig. 52 -- Remove Knockout with Hammer BURN HAZARD Failure to follow this caution may cause personal injury.Hot vent pipe is within reach of small children when installed in downflow position...

35 Table 10 – 2--Stage Furnace Setup Switch Description SETUP SWITCH NO. SWITCH NAME NORMAL POSITION DESCRIPTION OF USE SW --- 1 Adaptive Heat Mode OFF When OFF, allows 2 --- stage operation with a single stage thermostat. Turn ON when using 2 stage thermostat to allow Low Heat opera --- tion when R...

38 Table 12 – Gas Rate (cu ft. /hr) SECONDS FOR 1 REVOLUTION SIZE OF TEST DIAL SECONDS FOR 1 REVOLUTION SIZE OF TEST DIAL 1 C U FT. 2 C U FT. 5 C U FT. 1 C U FT. 2 C U FT. 5 C U FT. 10 360 720 1800 50 72 144 360 11 327 655 1636 51 71 141 355 12 300 600 1500 52 69 138 346 13 277 555 1385 53 68 136 34...

39 NOTE : Using the 2 cu. ft. or 5 cu. ft. gas meter dial provides greater accuracy in verifying gas input rate.If clocked rate does not match required input from Step 1, increase manifold pressure to increase input or decrease manifold pressure to decrease input. Repeat steps b through e until corr...

40 Table 14 – 2--Stage Furnace Blower OFF delay Setup Switch DESIRED HEATING MODE BLOWER OFF DELAY (SEC.) SETUP SWITCH SW --- 2 SETUP SWITCH SW --- 3 90 OFF OFF 120 OFF ON 150 ON OFF 180 ON ON R Y W G 10 TURNS THERMOSTAT SUBBASE TERMINALS WITH THERMOSTAT REMOVED (ANITICIPATOR, CLOCK, ETC., MUST BE O...

45 SERVICE AND MAINTENANCE PROCEDURES FIRE, PERSONAL INJURY AND UNIT DAMAGE HAZARD Failure to follow this warning could result in personal injury, death and/or property damage.The ability to properly perform maintenance on this equipment requires certain knowledge, mechanical skills, tools, and equi...

46 CONTINUOUS OFF - Check for 115VAC at L1 and L2, and 24VAC at SEC-1 and SEC-2. CONTINUOUS ON - Control has 24VAC power. RAPID FLASHING - Line voltage (115VAC) polarity reversed. If twinned, refer to twinning kit instructions. LED CODE EACH OF THE FOLLOWING STATUS CODES IS A TWO DIGIT NUMBER WITH T...

49 13. Verify that blower wheel is centered in blower housing and set screw contacts the flat portion of the motor shaft. Loosen set screw on blower wheel and reposition if neces-sary. 14. Spin the blower wheel by hand to verify that the wheel does not rub on the housing. 15. Reinstall blower assemb...

50 9. Using field--provided 25--caliber rifle cleaning brush, 36--in. (914 mm) long 1/4--in. (6 mm) diameter steel spring cable, a variable speed, reversible electric drill, andvacuum cleaner, clean cells as follows: a. Remove metal screw fitting from wire brush to allow in- sertion into cable. b. I...

53 nace control CPU will drop the blower speed back to HIHEAT speed. This alternating 10--minute cycle will con- tinue as long as there is a call for cooling. c. Cooling off--delay -- When the “call for cooling” is satis- fied and there is a demand for dehumidification, the cool- ing blower--off del...