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Carrier
Heating & Cooling Combined Unit

Model # 52MQAU12401AA Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 52MQAU12401AA package unit, as well as links to manuals and error code tables, if available.

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Installation guide

Model diagram and schematic

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ALL PARTS
Showing 10 of 81 parts  |
Capacitor 33010025
#81

Control assy diagram

Capacitor

Part #33010025

$9.31
In Stock
Bearing 26151139
#27

Front cabinet assy diagram

Bearing

Part #26151139

This item is not returnable
$5.43
In Stock
Cntrl.door 20161238
#39

Front cabinet assy diagram

Cntrl.door

Part #20161238

$33.73
In Stock
Room Air Conditioner Blower Wheel 10351002
#29

Front cabinet assy diagram

Room air conditioner blower wheel

Part #10351002

$200.42
In Stock
Connector 42010037
#70

Control assy diagram

Connector

Part #42010037

$11.37
In Stock
Connector 42010039S
#71

Control assy diagram

Connector

Part #42010039S

$26.44
In Stock
Propeller 10331004
#10

Back cabinet assy diagram

Propeller

Part #10331004

$51.96
In Stock
Lmt.switch 46010381
#30B

Front cabinet assy diagram

Lmt.switch

Part #46010381

$63.22
In Stock
Main Pcb 30032023
#73

Control assy diagram

Main pcb

Part #30032023

$141.40
In Stock
Pcb 30542007
#65

Control assy diagram

Pcb

Part #30542007

$33.78
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

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

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How to unclog the air conditioner drain line

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

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

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Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

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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Repair difficulty
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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Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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