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Carrier
Heating & Cooling Combined Unit

Model # 52CQC312351AA Official Carrier air conditioner

Here are the diagrams and repair parts for Official Carrier 52CQC312351AA air conditioner, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 94 parts  |
Clip 52CQ502223
#73

Control assy diagram

Clip

Part #52CQ502223

$17.26
In Stock
Carrier Realay,dps HN61PC004
#82A

Control assy diagram

Carrier realay,dps

Part #HN61PC004

$165.38
In Stock
Carrier Limit Switch HH19ZA174
#NI

Front panel diagram

Carrier limit switch

Part #HH19ZA174

$76.80
In Stock
Carrier Switch HH22AK067
#76

Control assy diagram

Carrier switch

Part #HH22AK067

$247.89
In Stock
Carrier Cover 52CQ502563
#NI

Front panel diagram

Carrier cover

Part #52CQ502563

$628.42
In Stock
Mount,mtr 52CQ500214
#84D

Cabinet parts diagram

Mount,mtr

Part #52CQ500214

$46.67
In Stock
Filter 52CQ500414
#25

Front panel diagram

Filter

Part #52CQ500414

$98.49
In Stock
Room Air Conditioner Louver 52CQ500434
#27

Front panel diagram

Room air conditioner louver

Part #52CQ500434

$258.80
In Stock
Hinge Pin 52CQ500392
#24

Front panel diagram

Hinge pin

Part #52CQ500392

$136.20
In Stock
Carrier Rev Valve EF17BG144
#NI

Front panel diagram

Carrier rev valve

Part #EF17BG144

$96.42
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…

Read more

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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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…

Read more
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.…

Read more
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

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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Top questions about Sears and Sears PartsDirect

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