Carrier 58SP0A Page 43 Installation, Start-Up, Operating And Service And Maintenance Instructions Download

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58SP0A/58SP1A: Installation, Start–Up, Operating and Service and Maintenance Instructions

Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

A200304

Fig. 52 – Troubleshooting Guide

NO PREVIOUS CODE – Stored codes

are erased

after 72 hours

. On RED LED

boards stored status codes can also be

erased whene

er po

wer (115V or 24V

)

is interr

upted.

Run system through a

heating or cooling cycle to chec

k system.

BLO

WER ON AFTER PO

WER UP –

(115V OR 24V) – Nor

mal operation.

er r

uns f

or 90 seconds

, if unit is

wered up dur

ing a call f

or heat (R-W

closed) or when (R-W opens) dur

ing

the

er on-dela

y per

iod.

LIMIT CIRCUIT LOCK

OUT – Loc

kout

occurs if the limit, draft saf

eguard, flam

rollout, or b

loc

ked v

ent s

witch*(if used) is

open longer than 3 minutes

. Control will

auto-reset after 3 hours

. See code 33.

IGNITION LOCK

OUT – System f

ailed to

ignite gas and pro

ve flame in 4 attempts

Control will auto-reset after 3 hours

See status code 34.

GAS HEA

TING LOCK

OUT –

n off

wer and w

ait 5 minutes to retr

Chec

k f

-S

losed gas v

alv

e rela

y on control.

wire or shor

t to gas v

alv

e wire

ABNORMAL FLAME-PR

VING SIGNAL

Flame is pro

ed while gas v

alv

e is de-

energiz

ed.

Inducer will r

un until f

ault is

cleared.

Chec

k f

tuc

k open or leaky gas v

alv

PRESSURE SWITCH DID NO

T OPEN

Chec

k f

bstr

ucted pressure tube

ressure s

witch stuc

k closed.

SECOND

Y V

LTA

GE FUSE IS OPEN

Chec

k f

hor

t circuit in secondar

y v

oltage (24V)

wir

ing including ther

mostat leads

Disconnect ther

mostat leads to isolate

shor

t circuit.

PRESSURE SWITCH DID NO

T CLOSE

OR REOPENED – If open longer than

minute

, inducer shuts off f

or 15 minute

bef

ore retr

If opens dur

ing b

er on-

dela

per

iod,

er will come on

r th

selected b

er off-dela

Chec

k f

Proper v

ent sizing.

w inducer v

oltage (115V).

w inlet gas pressure (if LGPS used).

Inadequate comb

ustion air supply

isconnected or obstr

ucted pressur

tubing.

Def

ectiv

e inducer motor

Def

ectiv

e pressure s

witch.

Excessiv

e wind.

Restr

icted v

ent.

LIMIT CIRCUIT F

T – Indicates the

limit, draft saf

eguard, flame rollout, or

loc

ed v

ent shutoff s

witch* (if used) is

open.

Blo

er will r

un f

or 4 minutes or

until open s

witch remak

es whiche

er is

longer

. If open longer than 3 minutes

code changes to loc

out #13.

If open

less than 3 min.

status code #33

continues to flash until b

er shuts off

Flame rollout s

itch and BVSS requires

manual reset.

Chec

k f

Dir

ty filter or restr

icted duct system.

Loose b

er wheel.

Def

ectiv

e s

witch or connections

Def

ectiv

e b

er motor or capacitor

Inadequate comb

ustion air supply

(flame rollout s

witch open).

Restr

icted v

ent.

Proper v

ent sizing.

Excessiv

e wind.

IGNITION PR

VING F

AILURE – If flame

is not sensed dur

ing the tr

ial f

or ignition

per

iod,

the control will repeat the ignition

sequence 3 more times bef

ore loc

out

#14 occurs

. If flame signal is lost during

the b

er on-dela

y per

iod, b

er will

come on f

or the selected b

er off-dela

Chec

k the f

ollo

ing items first bef

ore

proceeding to the ne

xt step

-G

alv

e tur

ned off

Manual shut-off v

reen/Y

ello

wire MUST

be connected

to fur

nace sheet metal.

lame sensor must not be grounded.

o deter

mine whether the prob

lem is in

the gas v

, igniter

, or flame sensor the

system can be operated

in the component

test mode to chec

k the igniter

. First

remo

ve the R ther

mostat connection from

the control and initiate the component

test sequence

. Does the igniter glo

orange/white

y the end of the 15 second

-up per

iod?

Unplug igniter har

ness f

rom control and

initiate

another component test sequence

. Chec

for 115V between

pin 1 and

NEUTRAL-L2 on

the control.

as 115V present f

or the 15

second per

iod?

Reconnect the R ther

mostat lead and set

ther

mostat to call f

or heat.

Connect v

oltmeter

across gas v

alv

e connections

. Does gas v

receiv

e 24V?

Does gas v

alv

e open and allo

w gas to flo

Do the main b

ners ignite?

Do the main b

ners sta

y on?

Repeat call f

or heat and chec

k flame sensor

current dur

ing tr

ial f

or ignition per

iod.

Is the

DC microamps belo

w 0.5?

Is current near typical v

alue?

Will main b

ners ignite and sta

y on?

Fix

ed.

Clean flame sensor with fine steel wool and

rechec

k current.

Nominal current is 4.0 to 6.0

microamps

CONTR

OL CIRCUITR

Y LOCK

OUT

uto-reset after 1 hour loc

out due to:

Flame circuit f

ailure

Gas v

alv

e rela

y stuc

k open.

Softw

are chec

k error

Reset po

wer to clear lo

out.

Replace

control if code repeats

Replace fur

nace control.

Chec

k f

or continuity

in the har

ness and igniter

Replace def

ectiv

e component.

Chec

k connections

. If OK, replace control

Chec

k that all gas v

alv

es are tur

ned on.

Replace v

alv

Chec

k f

Inadequate flame carr

er or rough

ignition.

inlet gas pressure

roper fir

ing rate

Bloc

ed or incorrect carr

y- o

er gap

(.045”

nominal)

All

er to come on and repeat test to

chec

k f

or inter

mittent operation.

Chec

k connections and retr

If current is

near typical v

alue (4.0-6.0 nominal) and

ners will not sta

y on, replace control.

Replace electrode

Replace fur

nace control.

* Bloc

ed v

ent shutoff s

witch used in Chimne

y Adapter Kit

YES

25 - INV

ALID MODEL

SELECTION OR SETUP

ERROR - If status

code 25 only flashes 4 times on power-up the

control is missing its model plug PL4 and is

defaulting to the model selection stored in

memory

. If status code 25 flashes continu-

ously it could indicate any of the following:

Model plug PL4 is missing and there is no

valid model stored in permanent memory

This

will happen if you forget to install the model

plg PL4 on a service replacement control.

Thermostat call with SW1-1 ON.

Thermostat call with SW1-6 ON.

- SW1-1 and SW1-6 both ON.

wo dif

ferent furnace models twinned.

- If replacing a control, be sure to use correct

version (V##) located on control board

Models supported should be listed.

Summary of Contents for 58SP0A

Page 1: ... are furnaces boilers space heaters generators water heaters stoves ranges clothes dryers fireplaces incinerators automobiles and other internal combustion engines Even if there are no laws in your jurisdiction requiring a CO Alarm it s highly recommended that whenever any fuel burning product is used in or around the home or business that the dwelling be equipped with a CO Alarm s The Consumer Pr...

Page 2: ...ER MEDIA CABINET SIZE CABINET WIDTH OUTLET WIDTH TOPAND BOTTOM FLUE COLLAR BOTTOM INLET WIDTH 045V14 12 14 3 16 360 12 9 16 319 9 5 16 237 12 11 16 322 4 102 112 50 8 16 406 045V17 16 17 1 2 445 15 7 8 403 11 9 16 294 16 406 4 102 120 54 16 406 070V17 16 17 1 2 445 15 7 8 403 11 9 16 294 16 406 4 102 129 59 16 406 070V21 20 21 533 19 3 8 492 13 5 16 338 19 1 2 495 4 102 141 63 20 506 090V21 20 21 ...

Page 3: ... allowable range as specified in the Start Up Adjustments and Safety Check section See furnace rating plate 7 When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace the return air shall also be handled by duct s sealed to the furnace casing and terminating outside the space containing the furnace See Air Ducts section ...

Page 4: ... the installation must comply with the national codes listed below and all authorities having jurisdiction In the United States follow all codes and standards for the following Safety NFPA 54 ANSI Z223 1 and the Installation Standards Warm Air Heating and Air Conditioning Systems ANSI NFPA 90B General Installation Current edition of the NFGC and the NFPA 90B For copies contact the National Fire Pr...

Page 5: ...nd hand tools which are held during the procedure These precautions will help to avoid exposing the control to electrostatic discharge by putting the furnace the control and the person at the same electrostatic potential CAUTION PERSONAL INJURY AND OR PROPERTY DAMAGE HAZARD Improper use or installation of this furnace may result in premature furnace component failure This gas furnace may be used f...

Page 6: ...ther unit unless the 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 54 ANSI Z223 1 Air for Combustion and Ventilation and applicable provisions of the local building codes CAUTION CARBON MONOXIDE POISONING COMPONENT DAMAG...

Page 7: ...to the outdoors or spaces crawl or attic that freely communicate with the outdoors Indoor Combustion Air NFPA AGA Standard and Known Air Infiltration Rate Methods Indoor air is permitted for combustion ventilation and dilution if the Standard or Known Air Infiltration Method is used Minimum dimensions of 3 in 76 mm NOTE Use any of the following combinations of openings A B C D D E F G A03174 Fig 6...

Page 8: ... as communicating spaces if connected by one or more permanent openings in doors or floors having free area of at least 2 in 2 1 000 BTUh 4 400 mm2 kW of total input rating of all gas appliances Minimum opening size is 100 sq in 64516 sq mm with minimum dimensions of 3 in 76 mm Minimum of 3 in 76 mm when type B1 vent is used a03175 Fig 7 Air for Combustion Ventilation and Dilution from Indoors 2 A...

Page 9: ...side return inlet s leveling legs may be used see Fig 9 Install field supplied 5 16 x 1 1 2 in 8 x 38 mm max corrosion resistant machine bolts washers and nuts A89014 Fig 9 Leveling Legs NOTE Bottom closure must be used when leveling legs are used It may be necessary to remove and reinstall bottom closure panel to install leveling legs To remove bottom closure panel see Item 1 in Bottom Return Air...

Page 10: ...p attachment screws are not in tension are loaded in shear for reliable support Platform Furnace Support Construct working platform at location where all required furnace clearances are met see Fig 2 and Fig 13 For furnaces with 1 in 25 mm clearance requirement on side set furnace on non combustible blocks bricks or angle iron For crawlspace installations if the furnace is not suspended from the f...

Page 11: ...8 22 1 4 565 Downflow Applications on Noncombustible Flooring subbase not required 12 9 16 319 19 483 13 3 16 335 19 5 8 498 Downflow Applications on Combustible Flooring subbase required 11 13 16 284 19 483 13 7 16 341 20 5 8 600 Downflow Applications on Combustible Flooring with Cased Coil subbase not required 12 5 16 319 19 483 13 5 16 338 20 508 17 1 2 445 Upflow Applications on Combustible or...

Page 12: ...and fibrous ductwork shall comply with NFPA 90B as tested by UL Standard 181 for Class 1 Rigid air ducts SUPPLY AIR CONNECTIONS For a furnace not equipped with a cooling coil the outlet duct shall be provided with a removable access panel This opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for possible openings using ligh...

Page 13: ...hen flexible connectors are used the maximum length shall not exceed 36 in 915 mm 3 When lever handle type manual equipment shutoff valves are used they shall be T handle valves 4 The use of copper tubing for gas piping is NOT approved by the state of Massachusetts Cubic ft of gas per hr for gas pressures of 0 5 psig 14 in w c or less and a pressure drop of 0 5 in w c based on a 0 60 specific grav...

Page 14: ...equipment shutoff valve A02035 Fig 22 Typical Gas Pipe Arrangement Piping should be pressure and leak tested in accordance with the current addition of the NFGC in the United States local and national plumbing and gas codes before the furnace has been connected After all connections have been made purge lines and check for leakage at furnace prior to operating furnace If pressure exceeds 0 5 psig ...

Page 15: ...g parts and hot surfaces A10291 Fig 24 Relocating J Box WARNING 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 servicing disconnect all electrical power to furnace When servicing controls label...

Page 16: ...PPLIED DISCONNECT AUXILIARY J BOX 24 V TERMINAL BLOCK THREE WIRE HEATING ONLY FIVE WIRE NOTE 1 NOTE 2 FIELD SUPPLIED DISCONNECT CONDENSING UNIT TWO WIRE FURNACE C O N T R O L R G COM W C R G Y GND GND FIELD 24 V WIRING FIELD 115 208 230 460 V WIRING FACTORY 24 V WIRING FACTORY 115 V WIRING 208 230 OR 460 V THREE PHASE 208 230 V SINGLE PHASE BLOWER DOOR SWITCH WHT BLK WHT BLK NOTES Connect Y termin...

Page 17: ...installation service or maintenance could cause this fuse to blow If fuse replacement is required use ONLY a 3 amp fuse of identical size ACCESSORIES 1 Electronic Air Cleaner EAC Connect an accessory Electronic Air Cleaner if used using 1 4 in female quick connect terminals to the two male 1 4 in quick connect terminals on the control board marked EAC 1 and EAC 2 The terminals are rated for 115VAC...

Page 18: ...B Fig 28 Thermostat Wiring Diagrams Single Stage Furnace with Single Speed Air Conditioner Single Stage Furnace with Two Speed Air Conditioner THERMOSTAT THERMOSTAT D D See notes 2 5 7 10 14 and 15 See notes 2 5 8 10 14 and 15 Single Stage Furnace with Single Speed Heat Pump Single Stage Furnace with Two Speed Heat Pump THERMOSTAT THERMOSTAT D D See notes 1 2 4 6 7 9 10 12 14 and 15 See notes 1 2 ...

Page 19: ... common venting and multi story venting with other fan assisted or draft hood equipped appliances in accordance with the NFCG local building codes and furnace and vent manufacturers instructions The following information and warning must be considered in addition to the requirements defined in the NFGC 1 If a vent common or dedicated becomes blocked the furnace will be shut off by the draft safegu...

Page 20: ... as the listed chimney adapter kit with a furnace listed for use with the kit a listed chimney lining system or a Type B common vent Inspections before the sale and at the time of installation will determine the acceptability of the chimney or the need for repair and or re lining Refer to the Fig 29 to perform a chimney inspection If the inspection of a previously used tile lined chimney a Shows s...

Page 21: ...unds are found in many common home products such as detergent paint glue aerosol spray bleach cleaning solvent salt and air freshener and can cause corrosion of furnaces and vents Avoid using such products in the combustion air supply Furnace use during construction of the building could cause the furnace to be exposed to halogen compounds causing premature failure of the furnace or venting system...

Page 22: ... mechanical venter may be used when approved by the authority having jurisdiction Select the listed mechanical venter to match the BTUh input of the furnace being vented Follow all manufacturer s installation requirements for venting and termination included with the listed mechanical venter Caution For the following applications use the minimum vertical heights as specified below For all other ap...

Page 23: ... Application Vent Elbow Left then Up A03212 Fig 35 Downflow Application Vent Elbow Up then Right A02068 Fig 36 Horizontal Right Application Vent Elbow Left A03213 Fig 37 Horizontal Left Application Vent Elbow Left SEE NOTES 1 2 3 4 5 7 8 9 on the page following these figures SEE NOTES 1 2 4 5 7 8 9 on the page following these figures SEE NOTES 1 2 4 5 6 7 8 9 on the page following these figures SE...

Page 24: ... the furnace See Product Data Sheet for accessory listing 6 Accessory Downflow Vent Guard Kit required in downflow installations with lower vent configuration See Product Data Sheet for accessory listing 7 Chimney Adapter Kit may be required for exterior masonry chimney applications Refer to Chimney Adapter Kit for sizing and complete application details See Product Data Sheet for accessory listin...

Page 25: ...repeat component test turn setup switch SW1 6 OFF then back ON 5 Turn setup DIP switch SW1 6 OFF Reconnect R lead to furnace control board release blower door switch and reinstall blower access door 6 Operate furnace per instruction on inner door 7 Verify furnace shut down by lowering thermostat setting below room temperature 8 Verify furnace restarts by raising thermostat setting above room tempe...

Page 26: ...d Service and Maintenance Instructions Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations 26 SERVICE LABEL A190204 Fig 43 Service Label WIRING DIAGRAM A210176 Fig 44 Wiring Diagram ...

Page 27: ...s suspected to have been redrilled check orifice hole with a numbered drill bit of correct size Never redrill an orifice A burr free and squarely aligned orifice hole is essential for proper flame characteristics g Replace orifice with correct size if required by Table 10 Use only factory supplied orifices See EXAMPLE 1 3 Adjust manifold pressure to obtain correct input rate see Fig 20 SW1 OFF ON ...

Page 28: ... in sec for gas meter to complete 1 revolution and note reading The 2 or 5 cubic feet dial provides a more accurate measurement of gas flow d Refer to Table 10 for cubic ft of gas per hr e Multiply gas rate cu ft hr by heating value BTUh cu ft to obtain input f If clocked rate does not match required input from Step 1 increase manifold pressure to increase input or decrease manifold pressure to de...

Page 29: ...ctice is particularly important with straight run ducts Table 11 Gas Rate CU ft hr SECONDS FOR 1 REV SIZE OF TEST DIAL SECONDS FOR 1 REV SIZE OF TEST DIAL 1 Cu Ft 2 Cu Ft 5 Cu Ft 1 Cu Ft 2 Cu Ft 5 Cu 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 68 136 340 14 257 514 1286 54 67 133 333 15 240 480 1200 55 65 131 327 16 225 450 1125 5...

Page 30: ...to the pins used for the selected blower off delay Factory off delay setting is 120 sec see Table 12 9 Set Airflow for Air Conditioning Single Stage and High Stage Cooling The ECM blower can be adjusted for a range of airflow for Low Speed or High Speed cooling See Table 13 Air Delivery CFM With Filter The cooling airflow is adjusted by turning Setup switches SW2 6 SW2 7 and SW2 8 either ON or OFF...

Page 31: ...dition f Turn off 115 v power to furnace g Reconnect inducer motor wires replace outer door and turn on 115 v power h Blower will run for 90 seconds before beginning the call for heat again i Furnace should ignite normally Checklist 1 Put away tools and instruments Clean up debris 2 Verify that blower OFF DELAY time is selected as desired 3 Verify that blower and burner access doors are properly i...

Page 32: ...80 630 ON ON ON 1025 980 940 895 850 810 765 725 680 630 Heating SW1 Heat Airflow3 925 875 830 780 735 685 635 590 540 490 Unit Size 070V17 16 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1595 1560 1520 1485 1445 1410 1375 1335 1300 1265 Cooling SW2 8 7 6 OFF OFF ON 660 585 515 445 370 See Note 4 ...

Page 33: ...060 1005 960 ON ON ON 1400 1345 1295 1245 1200 1155 1105 1060 1005 960 Heating SW1 Heat Airflow3 1435 1385 1335 1290 1245 1195 1145 1100 1050 1000 Unit Size 090V21 20 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 1985 1935 1885 1835 1785 1735 1685 1630 1583 1532 Cooling SW2 8 7 6 OFF OFF ON 860 755...

Page 34: ...5 1125 1070 ON ON ON 1630 1570 1510 1450 1385 1320 1250 1185 1125 1070 Heating SW1 Heat Airflow3 1740 1680 1625 1570 1510 1445 1385 1325 1265 1205 Unit Size 110V24 22 Clg CF Switch settings External Static Pressure ESP Clg Switches SW2 8 SW2 7 SW2 6 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Clg Default OFF OFF OFF 2040 1980 1920 1865 1805 1750 1700 1640 1575 1525 Cooling SW2 8 7 6 OFF OFF ON 910 795...

Page 35: ...p fuse The control LED will display status code 24 when fuse needs to be replaced 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 sight glass in blower access door The amber furnace control LED is either ON cont...

Page 36: ... furnace and burner serviced by a qualified service agency 5 Inspect the vent pipe vent system before each heating season for rust corrosion 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 humidifier or electronic air cleaner Perform any service or maintenance to the access...

Page 37: ...at the same location during reassembly To remove wheel a Disconnect ground wire attached to blower housing b Remove screws securing cutoff plate and remove cutoff plate from housing c Loosen set screw holding blower wheel on motor shaft 160 20 in lb when assembling d Remove bolts holding motor to blower housing and slide motor out of wheel 40 10 in lb when reassembling e Remove blower wheel from h...

Page 38: ...rnal vent pipe within the casing 5 Disconnect wires to the following components Mark wires to aid in reconnection be careful when disconnecting wires from switches because damage may occur a Draft safeguard switch b Inducer motor c Pressure switches d Limit overtemperature switch e Gas valve f Hot surface igniter g Flame sensing electrode h Flame rollout switches 6 Remove screws that fasten the co...

Page 39: ... through the blower door interlock switch ILK to the furnace control CPU transformer TRAN inducer motor IDM blower motor BLWM hot surface igniter HSI and gas valve GV 1 Heating The wall thermostat calls for heat closing the R to W circuit The furnace control performs a self check verifies the pressure switch contacts PRS are open and starts the inducer motor IDM a Inducer Prepurge Period As the in...

Page 40: ...terminal EAC 1 will remain energized for an additional 90 seconds Jumper Y1 to DHUM to reduce the cooling off delay to 5 seconds see Fig 44 c Two Stage Thermostat and Two Speed Cooling See Fig 28 for thermostat connections NOTE The air conditioning relay disable jumper ACRDJ must be disconnected to allow thermostat control of the outdoor unit staging see Fig 44 The thermostat closes the R to G and...

Page 41: ... transition to or bring on the blower motor BLWM at cooling airflow or low heat airflow whichever is lowest The blower motor BLWM will remain on until the main burners ignite then shut OFF and remain OFF for 25 seconds before coming back on at heating airflow When the W W1 input signal disappears the furnace control begins a normal inducer post purge period while changing the blower airflow If Y Y...

Page 42: ... u a f s u o i v e r p o n s a w r a t s l l i w r e c u d n i e h T e c n e u q e s t s e t t n e n o p m o c f e i r b a h g u o r h t o g l l i w n u r d n a t w o l b I S H e h T t s e t t n e n o p m o c e r i t n e e h t r o f D E L R E B M A d e e p s N A F r o t o m r e h c a e s d n o c e s 5 1 0 1 r o f n u r l l i w d e e p s L O O C d n a d e e p s T A E H y l n o s d r a o b n o d e n...

Page 43: ...tion sequence 3 more times before lockout 14 occurs If flame signal is lost during the blower on delay period blower will come on for the selected blower off delay Check the following items first before proceeding to the next step Gas valve turned off Manual shut off valve Green Yellow wire MUST be connected to furnace sheet metal Flame sensor must not be grounded To determine whether the problem ...

Page 44: ...ir Conditioning Contractors and Systems headings for dealer listing by brand name or contact CARRIER CORPORATION Consumer Relations Department P O Box 4808 Syracuse New York 13221 4808 1 800 CARRIER Have available the model number series number and serial number located on the unit rating plate to ensure correct replacement part Example of Model Number TRAINING My Learning Center is your central l...

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