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Amana
Heating & Cooling Combined Unit

Model # RHA36A3B/P1180221C Official Amana air conditioner & heater

Here are the diagrams and repair parts for Official Amana RHA36A3B-P1180221C air conditioner & heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 167 parts  |
Valve-sweat 20023003
#23

Tubing diagram

Valve-sweat

Part #20023003

The manufacturer no longer makes this part, and there's no substitute part

Rev Valve Weld 11187101
#102

Outer cabinet/compressor/tubing diagram

Rev valve weld

Part #11187101

The manufacturer no longer makes this part, and there's no substitute part

Fan-cond 10625703
#2031

Cabinet diagram

Fan-cond

Part #10625703

The manufacturer no longer makes this part, and there's no substitute part

Tube-cond/rvlv 11170801
#9922

Outer cabinet/compressor/tubing diagram

Tube-cond/rvlv

Part #11170801

The manufacturer no longer makes this part, and there's no substitute part

Swt Vlv Brkt 10576206
#3001

Tubing diagram

Swt vlv brkt

Part #10576206

The manufacturer no longer makes this part, and there's no substitute part

Capacitor St C6300503
#81

Control box diagram

Capacitor st

Part #C6300503

The manufacturer no longer makes this part, and there's no substitute part

Condenser Motor 10584308
#2021

Cabinet diagram

Condenser motor

Part #10584308

The manufacturer no longer makes this part, and there's no substitute part

Top Cover 10229802
#2001

Cabinet diagram

Top cover

Part #10229802

The manufacturer no longer makes this part, and there's no substitute part

Contactor, 25 Amp, 24 V. Coil C6333501
#101

Control box diagram

Contactor, 25 amp, 24 v. coil

Part #C6333501

The manufacturer no longer makes this part, and there's no substitute part

Tube-sweat Vlv 10719803
#33

Tubing diagram

Tube-sweat vlv

Part #10719803

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.

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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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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

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

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