Carrier 59SC2D Installation, Start-Up, Operating And Service And Maintenance Instructions Download

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The electrical ground and polarity for 115--v wiring must be
properly maintained. Refer to Fig. 33 for field wiring information

and to Fig. 73 for furnace wiring information.

NOTE

: If the polarity is not correct, the STATUS LED on the

control will flash rapidly and prevent the furnace from heating. The
control system also requires an earth ground for proper operation
of the control and flame--sensing electrode.
The 24--v circuit contains an automotive--type, 3--amp. fuse located
on the control. See Fig. 37. Any shorts of the 24--v wiring during

installation, service, or maintenance will cause this fuse to blow. If

fuse replacement is required, use ONLY a 3--amp. fuse. The control
LED will display status code 24 when fuse needs to be replaced.

Troubleshooting

Refer to the service label. See Fig. 66.
The Troubleshooting Guide can be a useful tool in isolating
furnace operation problems. Beginning with the word “Start,”

answer each question and follow the appropriate arrow to the next
item. See Fig. 72
The Guide will help to identify the problem or failed component.
After replacing any component, verify correct operation sequence.
Proper instrumentation is required to service electrical controls.

The control in this furnace is equipped with a Status Code LED
(Light--Emitting Diode) to aid in installation, servicing, and

troubleshooting. Status codes can be viewed at the indicator in
blower door.

The amber furnace control LED is either ON

continuously, rapid flashing, or a code composed of 2 digits. The

first digit is the number of short flashes, the second digit is the
number of long flashes.
For an explanation of status codes, refer to service label located on
control door or Fig. 66, and the troubleshooting guide which can

be obtained from your distributor.

Retrieving Stored Fault Codes

NOTE

: Fault codes cannot be retrieved if a thermostat signal

(24-V on W, Y, G, etc.) is present, or if any delays such as blower
off-delays are active.
The stored status codes will NOT be erased from the control
memory when 115- or 24-v power is interrupted. See the Service

Label (Fig. 66) for more information. The most recent fault code

may be retrieved as follows:

1. Leave 115-v power connected to furnace.

2. Observe the status LED through the blower door (the lower

door on upflow applications) indicator. Refer to the Service
Label (Fig. 66) to interpret the LED.

3. Remove the Main/Control door (the upper door on upflow

installations).

4. BRIEFLY disconnect and reconnect ONE of the main limit

wires.

5. The LED will flash the last stored fault code. Refer to the

Service Label (Fig. 66) to interpret the LED.

6. A component test sequence will follow.

7. Reinstall the Main/Control door.

Component Self-Test

NOTE

The furnace control component test allows all

components to run for a short time; except the gas valve and
humidifier terminal HUM are not energized. The EAC-1 terminal
is energized when the blower is energized. This feature helps
diagnose a system problem in case of a component failure. The
component test feature will not operate if any thermostat signal is
present at the control and not until all time delays are completed.
To Begin Component Self-Test:

1. Remove blower access door.
2. Disconnect the thermostat R lead from furnace control.

3. Manually close blower door switch.

Caution must be taken when manually closing this switch for

service purposes.

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury,

or death.
Blower door switch opens 115--v power to furnace control.

No component operation can occur unless switch is closed.

Exercise caution to avoid electrical shock from exposed

electrical components when manually closing this switch for

service purposes.

WARNING

4. For approximately 2 sec, short (jumper) the COM-24v

terminal on control to the TEST/TWIN 3/16—in. (5 mm)
quick-connect terminal on control until the LED goes off.

Remove jumper from terminals. See Fig. 37.

NOTE

: If TEST/TWIN and COM-24v terminals are jumpered

longer than 2 sec, LED will flash rapidly and ignore component
test request.
Component test sequence is as follows:

a. LED will display previous status code 4 times.

b. Inducer motor starts and continues to run until Step g of

component test sequence.

c. After 7 sec the hot surface ignitor is energized for 15 sec.,

then off.

d. Blower motor operates on Continuous-FAN speed for 10

sec.

e. Blower motor operates on HEAT speed for 10 sec.

f. Blower motor operates on COOL speed for 10 sec.

g. Inducer motor stops.

5. Reconnect R lead to furnace control, remove tape from

blower door switch, and re-install blower door.

6. Verify furnace shut down by lowering thermostat setting

below room temperature.

7. Verify that furnace restarts by raising thermostat setting

above room temperature.

Checklist

1. Put away tools and instruments. Clean up debris.

2. Verify that the jumper is removed from the TEST/TWIN

terminal. Verify that there is nothing plugged into the PLT

connector. (Note: If there is a jumper connector plugged
into PLT, remove it and discard.) See Fig. 37.

3. Verify that the Blower/Heat Off Delay jumpers are set as

desired. See Fig. 37.

4. Verify that there are no unsealed openings in the blower

shelf or casing.

5. Verify that the blower and control (“Main”) doors are

properly installed.

6. Verify that the Status LED glows. If not, check that the

power supply is energized and that the blower door is

secure. See Fig. 66.

7. Cycle test furnace with room thermostat to be sure that it

operates properly with the room thermostat. Check all
modes including Heat, Cool and Fan.

8. Check operation of accessories per manufacturer’s

instructions.

9. Review Owner’s Manual with owner.

Summary of Contents for 59SC2D

Page 1: ...ANSI Z223 1 with permission of National Fire Protection Association Quincy MA 02269 and American Gas Association Washington DC 20001 This reprinted material is not the complete and official position of the NFPA or ANSI on the referenced subject which is represented only by the standard in its entirety TABLES Loose Parts Bag 6 Minimum Clearances to Combustible Materials 5 Minimum Free Area Required...

Page 2: ... exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector obs...

Page 3: ...3 16 361 12 1 2 319 12 9 16 322 7 1 8 181 122 0 55 3 060E17 14 17 1 2 445 15 7 8 403 16 406 8 3 4 222 132 0 59 9 080E17 16 17 1 2 445 15 7 8 403 16 406 8 3 4 222 142 0 64 4 080E21 20 21 533 19 3 8 492 19 1 2 495 10 1 2 267 150 0 68 0 100E21 20 21 533 19 3 8 492 19 1 2 495 10 1 2 267 160 0 72 6 100E21 22 21 533 19 3 8 492 19 1 2 495 10 1 2 267 162 5 73 7 120E24 20 24 1 2 622 22 7 8 581 23 584 12 1 ...

Page 4: ...d to or shipped with furnace and other safety precautions that may apply These instructions cover minimum requirements and conform to existing national standards and safety codes In some instances these instructions exceed certain local codes and ordinances especially those that may not have kept up with changing residential construction practices We require these instructions as a minimum for a s...

Page 5: ... use with propane gas when a factory supplied conversion kit is used Refer to the furnace rating plate for conversion kit information These furnaces are not approved for installation in recreational vehicles or outdoors Single stage furnaces 40 000 through 120 000 are approved for installation in manufactured housing mobile homes with manufacturer approved accessory The conversion kit is required ...

Page 6: ... 20001 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 burner ignition devices must be located at least 18 in 457 mm above the floor The furnace must be located or protected to avoid damage by vehicles When the furnace is installed in a public garage airplan...

Page 7: ...ances shown in Table 1 or on the furnace clearance to combustible construction label PERSONAL INJURY AND OR PROPERTY DAMAGE HAZARD Improper use or installation of this furnace may result in premature furnace component failure Unless otherwise prohibited this gas furnace may be used for heating buildings under construction provided that The furnace is permanently installed with all electrical wirin...

Page 8: ...e sufficient air for combustion The combustion air pipe cannot be terminated in attics or crawlspaces that use ventilation fans designed to operate during the heating season If ventilation fans are present in these areas the combustion air pipe must terminate outdoors as a Direct Vent 2 Pipe system All air for combustion is piped directly to the furnace from a space that is well ventilated with ou...

Page 9: ...n for each Single Duct or Opening 80 000 30 000 110 000 divided by 2 000 55 0 Sq In for each two Horizontal Ducts Table 4 Minimum Space Volumes for 100 Combustion Ventilation and Dilution Air from Outdoors OTHER THAN FAN ASSISTED TOTAL 1 000 S BTUH GAS INPUT RATE FAN ASSISTED TOTAL 1 000 S BTUH GAS INPUT RATE ACH 30 40 50 40 60 80 100 120 Space Volume Ft3 M3 0 60 1 050 29 7 1 400 39 6 1 750 49 5 1...

Page 10: ...ble 4 Minimum Space Volumes were determined by using the following equations from the current edition of the National Fuel Gas Code ANSI Z223 1 NFPA 54 9 3 2 2 1 For other than fan assisted appliances such as a draft hood equipped water heater Volume Other 21ft3 ACH I other 1000 Btu hr A04002 2 For fan assisted appliances such as this furnace Volume Fan 15ft3 ACH I fan 1000 Btu hr A04003 If Iother...

Page 11: ...ion how to install the condensate drain A11307 Fig 8 Upflow Trap Configuration Appearance may vary Condensate Trap Downflow Orientation When the furnace is installed in the downflow position the condensate trap will be initially located at the upper left corner of the collector box as received from the factory See the top image in Fig 9 When the furnace is installed in the downflow orientation the...

Page 12: ...ubing before and after relocation Refer to Fig 9 to begin the trap conversion S Refer to Condensate Drain section for information how to install the condensate drain Condensate Trap Horizontal Orientation When the furnace is installed in the horizontal right position the condensate trap will be initially located at the bottom of the collector box as received from the factory See the top image in F...

Page 13: ...essory horizontal drain trap grommet is ONLY REQUIRED FOR DIRECT VENT APPLICATIONS It it NOT required for applications using single pipe or ventilated combustion air venting NOTICE The condensate trap extends below the side of the casing in the horizontal position A minimum of 2 in 51 mm of clearance is required between the casing side and the furnace platform for the trap to extend out of the cas...

Page 14: ...e casing The condensate drain must be routed from the trap through the furnace casing The condensate drain can be routed through the left or right side of the casing The left or right side is as you are viewing facing the furnace from the front An indoor coil condensate drain or humidifier drain can be connected to the external furnace condensate drain provided a The drains are not hard piped toge...

Page 15: ... shelf upflow or burner box downflow NOTE When the inducer housing has been removed to ease installation in upflow applications this step is not needed 7 After inserting the Z pipe through the casing slide a spring clamp over each end of the Z pipe 8 From inside the casing insert the short end of the formed grommet cut from the rubber drain elbow through the 7 8 in drain knockout in the casing 9 P...

Page 16: ...urnace the N coil must either be raised using a transition piece at least 3 in 76 mm high or if a transition piece is not used the refrigerant lines of the N coil must point to the front of the furnace casing Factory accessory 4 3 4 in transitions are available Refer to the Product Data sheet for the current accessory transition part number FURNACE RELIABILITY HAZARD Failure to follow this caution...

Page 17: ...ng This panel MUST be in place when only side return air is used Where required by code seal bottom closure to furnace with tape mastic or other durable sealing method NOTE Side return air openings can only be used in UPFLOW configurations Do not use side return air openings in DOWNFLOW or HORIZONTAL configurations See Fig 21 22 and 23 Downflow Installation NOTE The furnace must be pitched as show...

Page 18: ...ed Never connect return air ducts to the back of the furnace WARNING MINOR PROPERTY HAZARD Failure to follow this caution may result in minor property damage Local codes may require a drain pan under entire furnace and condensate trap when a condensing furnace is used in an attic application or over a finished ceiling CAUTION The furnace can be installed horizontally in an attic or crawlspace on e...

Page 19: ...ombustible or Noncombustible Flooring Subbase not required 23 584 21 1 8 537 23 5 8 600 22 1 4 565 Downflow Applications on Noncombustible Flooring Subbase not required 22 7 8 581 19 483 23 1 2 597 19 5 8 498 Downflow applications on Combustible flooring Subbase required 22 1 8 562 19 483 23 3 4 603 20 5 8 600 Downflow Applications on Combustible Flooring with coil assembly coil or coil box Subbas...

Page 20: ...Factory Accessory Media Representative After Market Filter Media Fiberglass Pleated CFM L s 1 in 2 5 cm 4 in 10 cm 1 in 2 5 cm 2 in 5 cm 1 in 2 5 cm 2 in 5 cm 600 283 0 04 12 0 05 12 0 07 17 0 10 26 0 24 60 0 16 40 800 378 0 06 15 0 07 19 0 10 25 0 15 39 0 34 85 0 23 59 1000 472 0 07 18 0 10 27 0 13 34 0 21 52 0 32 81 1200 566 0 08 20 0 14 36 0 17 43 0 27 68 16 x 25 Filter 406 x 635 mm Factory Acc...

Page 21: ...25 x 3 4 406 x 635 x 19 14 x 25 x 3 4 356 x 635 x 19 Washable 17 1 2 445 16 x 25 x 3 4 406 x 635 x 19 16 x 25 x 3 4 406 x 635 x 19 Washable 21 533 16 x 25 x 3 4 406 x 635 x 19 20 x 25 x 3 4 508 x 635 x 19 Washable 24 1 2 622 16 x 25 x 3 4 406 x 635 x 19 24 x 25 x 3 4 610 x 635 x 19 Washable Recommended to maintain air filter face velocity See Product Data for part number Not all families have thes...

Page 22: ...22 A11437 Fig 26 Optional Media Cabinet Accessory ...

Page 23: ...ttic Installation 2 IN 51 mm COMBUSTION AIR PIPE SEE VENTING SECTION Install 12 x 22 204 x 559 mm sheet metal in front of and above the burner compartment area The sheet metal MUST extend above the furnace casing by 1 in 25 mm with the door removed A 1 in 25 mm clearance minimum between top of furnace and combustible material is required The entire length of furnace must be supported when furnace ...

Page 24: ...tates provinces and localities are considering or have implemented standards and or restrictions on duct sizing practices ductwork leakage and or ductwork thermal airflow and electrical efficiencies CONSULT LOCAL CODE OFFICIALS for ductwork design and performance requirements in your area NOTICE General Requirements The duct system should be designed and sized according to accepted national standa...

Page 25: ...5 945 890 Red 3 Alt Cooling Do not use for heating 1200 1120 1060 995 940 875 810 750 685 625 100E21 20 Gray 5 6 Cooling Do not use for heating 2060 2010 1955 1905 1850 1800 1750 1690 1630 1565 Blue Heating or alt Cooling 1730 1675 1620 1565 1510 1455 1385 1325 1270 1210 Yellow Alt Cooling or alt Heating 1685 1630 1570 1515 1460 1410 1345 1280 1225 1170 Orange 3 Alt Cooling or alt Heating 1445 137...

Page 26: ... 7 8 inch for 115 VAC Electric A170125 Fig 31 Alternate Gas and Electric Entry NOTE Top plate may be field drilled for alternate gas and 115 VAC electric entry Refer to Table 10 for recommended gas pipe sizing Risers must be used to connect to furnace and to meter Support all gas piping with appropriate straps hangers etc Use a minimum of one hanger every 6 ft 2 M Joint compound pipe dope should b...

Page 27: ...t install the grommet in the knockout then insert the gas pipe The grommet is included in the loose parts bag See Fig 30 ELECTRICAL CONNECTIONS ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings could result in dangerous operation serious injury death or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before se...

Page 28: ...ll load amps Time delay type is recommended Length shown is as measured one way along wire path between furnace and service panel for maximum 2 percent voltage drop ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in personal injury death or property damage The cabinet MUST have an uninterrupted or unbroken ground according to current of edition NEC NFPA 70 or local cod...

Page 29: ...he external electrical box Do not leave splice connections unprotected inside the furnace The J Box cover mounting bracket and screws are shipped in the loose parts bag included with the furnace See Fig 35 for J Box mounting locations The J Box mounting bracket and green ground screw is used as a grounding point for all line voltage wiring options The J Box cover may be omitted when electrical con...

Page 30: ...Attach furnace J Box cover to mounting bracket with screws supplied in loose parts bag Do not pinch wires be tween cover and bracket See Fig 35 BX Cable Installation in Furnace J Box 1 Install J Box mounting bracket to inside of furnace casing See Fig 35 2 Route BX connector through 7 8 in 22 mm diameter hole in casing and J Box bracket 3 Secure BX cable to J Box bracket with connectors ap proved ...

Page 31: ...31 A190023 Fig 37 Example of Single Stage Furnace Control A11157 Fig 38 Field supplied Isolation Relay for Humidifiers with Internal Power Supply ...

Page 32: ...in conjunction with planning for the ductwork drainage and furnace accessories such as air cleaners and humidifiers Begin assembling the venting system AFTER the furnace is set in place in the required orientation Venting for this furnace shall follow all Local codes for Category IV venting systems This furnace is CSA approved for venting with PVC ABS DWV venting systems This furnace is also CSA a...

Page 33: ...it par ULC S636 du système de ventilation est basé sur les instructions d installation suivantes ainsi que l usage approprié de l apprêt et ciment Tout arrët feu et solin de toit utilisés avec ce système doivent être des matériaux listés UL L acceptation du standard Canadien CAN CSA B149 est directement relié à l installation conforme aux instructions ci haut mentionnées Le standard Canadien recom...

Page 34: ...tion air inlet pipe a moisture trap may be added to the inlet pipe to help prevent moisture from entering the furnace from the combustion air inlet pipe See Fig 51 When sizing venting systems the equivalent length of the optional inlet pipe moisture trap must be taken into account NOTICE OPTIONAL VENTING BELOW THE FURNACE The venting system may be positioned below the furnace ONLY IF the factory a...

Page 35: ...for Direct Vent 2 pipe Systems Vent and Combustion Air Pipe Diameters Approved Two Pipe Termination Fittings Allowable Concentric Vent Kit 1 1 2 in 38 mm 2 in 51 mm 2 1 2 in 64 mm 3 in 76 mm 4 in 102 mm 1 1 2 in 38 mm No Yes No No No 2 in 51 mm 2 in 51 mm No Yes No No No 2 in 51 mm 2 1 2 in 64 mm No No No Yes No 2 in 51 mm 3 in 76 mm 3 in 76 mm No No No Yes No 3 in 76 mm 4 in 102 mm No No No Yes Y...

Page 36: ...rts fastened to the structure NOTICE When determining appropriate location for termination consider the following guidelines 1 Comply with all clearance requirements stated in Fig 44 or Fig 45 per application 2 The vent termination must be located at least 3 feet from an inside corner and follow the clearance distances in the Inside Corner Termination drawing See Fig 46 3 Termination or terminatio...

Page 37: ...randa porch deck or balcony is fully open on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s vent intake or exhaust 12 in 305 mm 12 in 305 mm N Furnace combustion air intake clearance to a water heater v...

Page 38: ...balcony 12 in 305 mm Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor See Note 4 Manufacturer s Recommendation See Notes 3 8 M Clearance to each side of the centerline extended above or below vent terminal of the furnace to a dryer or water heater vent or other appliance s direct vent intake or exhaust 12 in 305 mm 12 in 305 mm N Clearance t...

Page 39: ... soffitt located above the vent termination within a horizontal distance of 2 ft 61 cm from the centerline of the vent termination 6 ft 2 M Clearance to a ventilation exhaust including HRV ERV on either Wall A or Wall B 12 in 305 mm Clearance above paved sidewalk or paved driveway located on public property 7 ft 2 1 M Clearance under a veranda porch deck or balcony N P No operable windows doors or...

Page 40: ...the adjacent lot no type of vent termination is permitted for appliances with inputs greater than 35 000 btuh There are no additional restrictions on unobstructed distances greater than 8 ft 2 4 M All single two pipe and concentric vents may be used providing all other Code and manufacturer s requirements in these instructions are adhered to Refer to the appropriate Vent Termination section above ...

Page 41: ...ap may be added to the inlet pipe to help prevent moisture from entering the furnace from the combustion air inlet pipe See Fig 51 When sizing venting systems the equivalent length of the optional moisture trap 15 feet 5 M must be taken into account NOTICE FURNACE PIPE DIAMETER TRANSITION IN VERTICAL SECTION NOT IN HORIZONTAL SECTION A93034 Fig 49 Combustion Air and Vent Pipe Diameter Transition L...

Page 42: ...onnected to the intake air pipe on the side of the casing See Fig 51 In any configuration it will be necessary to add the equivalent length of the tee 15 feet 5 M to the Total Equivalent Vent Length of the venting system ADDITIONAL INFORMATION FOR POLYPROPYLENE VENTING SYSTEMS Polypropylene venting systems include flexible vent pipe These flexible vent pipes have a different equivalent vent length...

Page 43: ...plication for that specific furnace input size Compare the Total Equivalent Vent Length TEVL to the MEVL 8 If the Total Equivalent Vent Length is shorter than the Maximum Equivalent Vent Length for the diameter of pipe chosen then that diameter of pipe selected may be used 9 If the Total Vent Length is longer than the Maximum Equivalent Vent Length for the diameter of pipe chosen that diameter pip...

Page 44: ...1 1 25 in 32 mm Dia shipped in the loose parts bag or available through Replacement Components required under 10 ft 3 M TEVL in all orientations Required for installations from 0 2000 0 to 610 M above sea level Failure to use an outlet restric tor may result in flame disturbances or flame sense lock out 2 Inducer Outlet Restrictor disk P N 337683 401 1 25 in 32 mm Dia available through Replacement...

Page 45: ...he insulation per the insulation manufacturer s in stallation instructions NOTE Pipe length ft M specified for maximum pipe lengths located in unconditioned spaces cannot exceed total allowable pipe length as calculated from Table 13 Configure the Furnace CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death To route the vent pipe and combustion a...

Page 46: ... for combustion air connection UPFLOW VERTICAL VENT A11310A Fig 54 Upflow Configurations Appearance may vary See Notes for Venting Options 1 2 3 4 5 6 7 5 Rotate vent elbow to required position DOWNFLOW LEFT CONFIGURATION A11311A 1 2 3 4 5 6 7 5 Rotate vent elbow to required position Any other unused knockout may be used for combustion air connection DOWNFLOW RIGHT CONFIGURATION A11312A Requires A...

Page 47: ...urrent Kit Number HORIZONTAL RIGHT LEFT VENT CONFIGURATION A11336 ALTERNATE COMBUSTION AIR CONNECTIONS HORIZONTAL RIGHT RIGHT VENT CONFIGURATION A11335 Fig 57 Horizontal Right Appearance may vary See Notes for Venting Options NOTES FOR VENTING OPTIONS 1 Attach vent pipe adapter with gasket to furnace casing 2 Align notches in rubber coupling over standoffs on adapter Slide clamps over the coupling...

Page 48: ... 000 BTUH 60 000 BTUH Uninsulated 3 8 in Insulation 1 2 in Insulation Uninsulated 3 8 in Insulation 1 2 in Insulation Pipe Dia mm 38 51 64 38 51 64 38 51 64 38 51 64 76 38 51 64 76 38 51 64 76 7 6 1 6 1 6 1 6 1 15 2 13 7 6 1 18 3 15 2 6 1 9 1 9 1 7 6 6 1 22 9 19 8 18 3 6 1 25 9 22 9 19 8 18 3 0 1 5 1 5 6 1 7 6 6 1 6 1 9 1 7 6 4 6 4 6 3 0 3 0 6 1 12 2 9 1 7 6 6 1 13 7 12 2 9 1 29 1 5 6 1 4 6 3 0 6 ...

Page 49: ...al pipe stopping ring The vent pipe can pass through the vent pipe adapter it cannot pass through the inlet pipe adapter 2 Align the screw holes in the plastic vent pipe adapter with the dimples in the casing CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal injury or death To route the vent pipe and combustion air pipe through the furnace the manufacturer su...

Page 50: ...stion air pipe installation by connecting the concentric vent or by installing the required termination elbows as shown in Figs 40 41 and 50 For Ventilated Combustion Air Termination See Fig 48 19 Use appropriate methods to seal openings where combus tion air pipe and vent pipe pass through roof or sidewall CARBON MONOXIDE POISONING HAZARD Failure to follow this warning could result in personal in...

Page 51: ...ombustion air pipes Sidewall holes for two pipe vent terminations should be side by side allowing space between the pipes for the elbows to fit on the pipes Holes in the roof for direct vent two pipe terminations should be spaced no more than 18 in 457 mm apart to help avoid vent gas recirculation into combustion air intake Termination elbows will be installed after the vent and if used combustion...

Page 52: ... 1 Installation in Canada must conform to the requirements of CAN CSA B149 code 2 Vent systems must be composed of pipe fittings cements and primers from the same supplier and listed to ULC S636 3 Not all materials below may be approved or listed to ULC S636 4 Royal Pipe and IPEX are approved suppliers of ULC S636 pipe fittings cements and primers 5 Factory accessory concentric vent kits are ULC S...

Page 53: ...th MEVL 95 ft 29 M For 2 pipe from Table 13 Is TEVL less than MEVL YES Therefore 2 pipe MAY be used Example 2 A direct vent 60 000 BTUH furnace installed at 2100 ft 640M Venting system includes FOR EACH PIPE 100 feet 30 M of vent pipe 95 feet 29 M of combustion air inlet pipe 3 90º long radius elbows and a polypropylene concentric vent kit Also includes 20 feet 6 1 M of flexible polypropylene vent...

Page 54: ... HUM 24vac terminal is only energized when the gas valve is energized in heating Prime Condensate Trap with Water CARBON MONOXIDE POISONING HAZARD Failure to follow these warnings could result in personal injury or death Failure to use a properly configured trap or NOT water priming trap before operating furnace may allow positive pressure vent gases to enter the structure through drain tube Vent ...

Page 55: ... BOTH altitude and natural gas heating value Table 18 Altitude Derate Multiplier for U S A ALTITUDE PERCENT OF DERATE DERATE MULTIPLIER FACTOR FT M 0 2000 0 610 0 1 00 2001 3000 610 914 4 6 0 95 3001 4000 914 1219 6 8 0 93 4001 5000 1219 1524 8 10 0 91 5001 6000 1524 1829 10 12 0 89 6001 7000 1829 2134 12 14 0 87 7001 8000 2134 2438 14 16 0 85 8001 9000 2438 2743 16 18 0 83 9001 10 000 2743 3048 1...

Page 56: ...essure tap e Turn gas valve ON OFF switch to ON f Manually close blower door switch g Jumper R and W thermostat connections on control to start furnace See Fig 37 h Remove regulator adjustment cap from gas valve pressure regulator and turn adjusting screw 3 16 or smaller flat tipped screwdriver counterclockwise out to decrease in put rate or clockwise in to increase input rate See Fig 62 DO NOT se...

Page 57: ...peed to increase temperature rise ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death Disconnect 115vac electrical power before changing speed tap WARNING Read following caution before changing taps UNIT DAMAGE HAZARD To avoid operating outside the rise range and avoid component damage Refer to the Air Delivery Tables to determine which airflows and ...

Page 58: ...t will operate if there is a restricted return air supply or motor failure If the limit control does not function during this test the cause must be determined and corrected a Run furnace for at least 5 minutes b Gradually block off return air with a piece of cardboard or sheet metal until the limit trips c Unblock return air to permit normal circulation d Burners will re light when furnace cools ...

Page 59: ...6 43 3 7 43 3 8 42 3 2 850 44 3 8 43 3 5 43 3 6 43 3 7 875 44 3 6 44 3 7 43 3 4 43 3 5 4000 900 44 3 4 44 3 5 44 3 7 44 3 8 1219 925 44 3 2 44 3 4 44 3 5 44 3 6 950 44 3 1 44 3 2 44 3 3 44 3 4 750 42 3 3 42 3 4 42 3 5 42 3 6 4001 775 43 3 7 43 3 8 42 3 3 42 3 4 1220 800 43 3 5 43 3 6 43 3 7 43 3 8 825 44 3 8 43 3 4 43 3 5 43 3 6 850 44 3 5 44 3 7 44 3 8 43 3 4 5000 875 44 3 3 44 3 5 44 3 6 44 3 7 ...

Page 60: ... 8 42 3 2 725 44 3 8 43 3 4 43 3 5 43 3 6 750 44 3 5 44 3 7 44 3 8 43 3 4 8000 775 44 3 3 44 3 4 44 3 5 44 3 7 2438 800 44 3 1 44 3 2 44 3 3 44 3 4 825 44 2 9 44 3 0 44 3 1 44 3 2 625 42 3 4 42 3 5 42 3 6 42 3 7 8001 650 43 3 8 42 3 2 42 3 3 42 3 4 2439 675 43 3 5 43 3 6 43 3 7 42 3 2 700 44 3 7 43 3 4 43 3 5 43 3 6 725 44 3 5 44 3 6 44 3 7 44 3 8 9000 750 44 3 3 44 3 4 44 3 5 44 3 6 2743 775 44 3...

Page 61: ...61 A190036 Fig 66 Service Label Information ...

Page 62: ...onents or materials i e oil refrigerant control board etc before unit final disposal CAUTION ELECTRICAL OPERATION HAZARD Failure to follow this caution may result in improper furnace operation or failure of furnace Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation CAUTION ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to foll...

Page 63: ...ol component test allows all components to run for a short time except the gas valve and humidifier terminal HUM are not energized The EAC 1 terminal is energized when the blower is energized This feature helps diagnose a system problem in case of a component failure The component test feature will not operate if any thermostat signal is present at the control and not until all time delays are com...

Page 64: ... before each heating sea son for water leakage sagging pipes or broken fittings Have vent pipes vent system serviced by a qualified service agency 6 Inspect any accessories attached to the furnace such as a hu midifier or electronic air cleaner Perform any service or maintenance to the accessories as recommended in the ac cessory instructions Cleaning and or Replacing Air Filter ELECTRICAL SHOCK F...

Page 65: ...tion 9 Torque motor mounting bolts to 40 10 lb in when re assembling 10 Torque blower wheel set screw to 160 20 lb in when reassembling 11 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 necessary 12 Spin the blower wheel by hand to verify that the wheel does not rub on the housing ...

Page 66: ...ure and is stable over the life of the ignitor 19 Clean burner with a brush and a vacuum 20 Clean the flame sensor with fine steel wool 0000 grade Do not use sand paper or emery cloth To reinstall burner assembly 1 Install the Hot Surface Ignitor HSI and bracket in burner assembly 2 Install flame sensor on burner 3 Align the edges of the one piece burner with the slots in the burner assembly and s...

Page 67: ...h middle plug on upper corner of collector box 8 Remove the pressure switch tube from the collector box NOTE Do NOT blow into tube with tube connected to the pressure switch 9 Clean pressure switch port on collect box with a small wire Shake any water out of pressure switch tube 10 Reconnect tube to pressure switch and pressure switch port 11 Remove the relief tube from the port on the collector b...

Page 68: ... Lock out and tag switch with a suitable warning label Verify proper operation after servicing Always reinstall access doors after completing service and maintenance WARNING ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Turn off the gas and electrical supplies to the furnace and install lockout tag before performing any...

Page 69: ...pylene glycol RV swimming pool antifreeze or equivalent 2 Turn off gas and electrical supplies to your furnace 3 Remove furnace control door 4 Remove the top unused rubber plug from the port on the collector box opposite the condensate trap See Fig 60 5 Connect a field supplied 3 8 in 9 5 mm ID tube to the open port on the collector box 6 Insert a field supplied funnel into the tube 7 Pour one qua...

Page 70: ...s code of the previous fault or status code 11 1 short and 1 long flash if there was no previous fault After the control repeats the code 4 times the control will go through a brief component test sequence The inducer will start and run for the entire component test The HSI blower motor FAN speed AMBER LED boards only HEAT speed and COOL speed will run for 10 15 seconds each Gas valve and humidifi...

Page 71: ...71 A190093 Fig 72 Troubleshooting Guide ...

Page 72: ...tronic air cleaner terminal EAC 1 is energized and remains energized as long as the blower motor BLWM is energized f Blower Off Delay When the thermostat is satisfied the R to W circuit is opened de energizing thegas valveGV stopping gas flowto theburners andde energizing thehu midifier terminal HUM The inducer motor IDM will re main energized for a 15 sec post purge period The blow er motor BLWM ...

Page 73: ...73 A190036 Fig 73 Wiring Diagram ...

Page 74: ...r listing by brand name or contact CARRIER CORPORATION Consumer Relations Department P O Box 4808 Syracuse New York 13221 1 800 CARRIER Have available the model number series number and serial number located on the unit rating plate to ensure correct replacement part Model Nomenclature MODEL HEATING SIZE MOTOR WIDTH VOLTAGE MINOR SERIES COOLING AIRFLOW CFM 59SC2D 040 E 14 10 FIRE EXPLOSION ELECTRI...

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