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Carrier
Heating & Cooling Combined Unit

Model # 52CEA515421RC Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 52CEA515421RC 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 167 parts  |
Mount,mtr 52CQ500214
#NI

Front panel diagram

Mount,mtr

Part #52CQ500214

$46.67
In Stock
Blwr.wheel 52CQ500664
#125

Cabinet parts diagram

Blwr.wheel

Part #52CQ500664

$198.32
In Stock
Heater Assembly 52CQ400674
#NI

Front panel diagram

Heater assembly

Part #52CQ400674

$139.80
In Stock
Door 52CQ500424
#26

Front panel diagram

Door

Part #52CQ500424

$76.87
In Stock
Hinge Pin 52CQ500392
#24

Front panel diagram

Hinge pin

Part #52CQ500392

$136.20
In Stock
Sw Temp Act HH19ZA170
#NI

Front panel diagram

Sw temp act

Part #HH19ZA170

$76.24
In Stock
Room Air Conditioner Louver 52CQ500434
#27

Front panel diagram

Room air conditioner louver

Part #52CQ500434

$258.80
In Stock
Paint 313974-751
#NI

Front panel diagram

Paint

Part #313974-751

$60.89
In Stock
On/off Knob 52CQ500394
#69

Control assy diagram

On/off knob

Part #52CQ500394

$36.49
In Stock
Capacitor P291-3054RS
#82

Control assy diagram

Capacitor

Part #P291-3054RS

$34.67
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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