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Carrier
Heating & Cooling Combined Unit

Model # 52PEA312431AA Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 52PEA312431AA package unit, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 169 parts  |
Hinge Pin 52CQ500392
#24

Front assy diagram

Hinge pin

Part #52CQ500392

$136.20
In Stock
Door 52CQ500424
#26

Front assy diagram

Door

Part #52CQ500424

$76.87
In Stock
Cord 52CQ400814
#NI

Front assy diagram

Cord

Part #52CQ400814

$112.92
In Stock
Sw Temp Act HH19ZA170
#NI

Front assy diagram

Sw temp act

Part #HH19ZA170

$76.24
In Stock
Grommet P041-5109
#NI

Front assy diagram

Grommet

Part #P041-5109

$8.49
In Stock
Clip 52CQ502223
#73

Control assy diagram

Clip

Part #52CQ502223

$17.26
In Stock
Overload HN68GP152
#NI

Front assy diagram

Overload

Part #HN68GP152

$52.33
In Stock
Central Air Conditioner Run Capacitor P291-2054RS
#82

Control assy diagram

Central air conditioner run capacitor

Part #P291-2054RS

$39.04
In Stock
On/off Knob 52CQ500394
#69

Control assy diagram

On/off knob

Part #52CQ500394

$36.49
In Stock
Mount,mtr 52CQ500214
#NI

Front assy diagram

Mount,mtr

Part #52CQ500214

$46.67
In Stock

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

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Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

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Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

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Most common repair guides to help fix your heating & cooling combined units

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How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

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Time required
 15 minutes or less
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How to replace the furnace flame sensor

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How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

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Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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