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Carrier
Heating & Cooling Combined Unit

Model # 52PEA312300AA Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 52PEA312300AA 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 180 parts  |
Sw Temp Act HH19ZA170
#NI

Front assy diagram

Sw temp act

Part #HH19ZA170

$76.24
In Stock
On/off Knob 52CQ500394
#69

Control assy diagram

On/off knob

Part #52CQ500394

$36.49
In Stock
Motor HC37GE238
#NI

Front assy diagram

Motor

Part #HC37GE238

$484.48
In Stock
Clip 52CQ502223
#73

Control assy diagram

Clip

Part #52CQ502223

$17.26
In Stock
Blwr.wheel 52CQ500664
#125

Cabinet assy diagram

Blwr.wheel

Part #52CQ500664

$198.32
In Stock
Mount,mtr 52CQ500214
#NI

Front assy diagram

Mount,mtr

Part #52CQ500214

$46.67
In Stock
Cord,svc. 52CQ400994
#NI

Front assy diagram

Cord,svc.

Part #52CQ400994

$81.60
In Stock
Overload HN68GP153
#NI

Front assy diagram

Overload

Part #HN68GP153

$37.76
In Stock
Door 52CQ500424
#26

Front assy diagram

Door

Part #52CQ500424

$76.87
In Stock
Filter 52CQ500414
#25

Front assy diagram

Filter

Part #52CQ500414

$98.49
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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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 furnace burners won’t stay lit?

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

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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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