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Carrier 52MQAU12301AA package unit Parts
Here are the diagrams and repair parts for Carrier 52MQAU12301AA package unit, as well as links to manuals and error code tables, if available.
Installation guide
By Schematic
SELECT DIAGRAM
Browse Parts for 52MQAU12301AA Package Unit
Control assy diagram
Transformer
Part #43110270
The manufacturer no longer makes this part, and there's no substitute part
Front cabinet assy diagram
Protection Screen
Part #01471007
The manufacturer no longer makes this part, and there's no substitute part
Control assy diagram
Control Panel
Part #20161239
The manufacturer no longer makes this part, and there's no substitute part
Back cabinet assy diagram
Water Valve
Part #07100164
The manufacturer no longer makes this part, and there's no substitute part
Back cabinet assy diagram
Magnet Assembly
Part #70841004
The manufacturer no longer makes this part, and there's no substitute part
Back cabinet assy diagram
4way Valve
Part #430004033
The manufacturer no longer makes this part, and there's no substitute part
Back cabinet assy diagram
Nut M6
Part #70310131
The manufacturer no longer makes this part, and there's no substitute part
Front cabinet assy diagram
Air Guide
Part #02121010P
The manufacturer no longer makes this part, and there's no substitute part
Back cabinet assy diagram
Grommet
Part #76710216
The manufacturer no longer makes this part, and there's no substitute part
Back cabinet assy diagram
Compressor
Part #P034-1123
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your heating & cooling combined units
Choose a symptom to see related heating and air conditioning system repairs.
Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…
Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…
Thermostat problem, clogged air filter, burner failure…
Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…
Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…
Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…
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.
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…
Repair time and Difficulty
15 minutes or less
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…
Repair time and Difficulty
15 minutes or less
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.…
Repair time and Difficulty
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.
Learn the reasons why you should consider replacing a gas furnace with an electric heat pump.…
Find out why the burner on your furnace isn't igniting.…
Learn about furnace repairs and how much they cost.…
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