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Amana
Heating & Cooling Combined Unit

Model # AC100C3 Official Amana heating & cooling

Here are the diagrams and repair parts for Official Amana AC100C3 heating & cooling, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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 374 parts  |
Belt FP10163

#NI

All parts diagram

Belt

Part #FP10163

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

Motor Mount Bracket FP10181
Motor mount bracket

Part #FP10181

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

Casing Back FPY-572
#2A

(apac-80s) (apac-100s) (apac-120s) diagram

Casing back

Part #FPY-572

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

Sub Base Assembly FPCFA-165
#54B

(c-100-aca) (c-120-aca) (c-140-aca) diagram

Sub base assembly

Part #FPCFA-165

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

Bottom Frame Assembly FPYA-121
#9A

(apac-80s) (apac-100s) (apac-120s) diagram

Bottom frame assembly

Part #FPYA-121

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

Fan Control, Upper 120 Degrees F. Fixed FCV664
#33

(ac80c3) (ac100c3) (ac120c5) diagram

Fan control, upper 120 degrees f. fixed

Part #FCV664

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

Filter, 1" X 14 1/2" X 20 5/8" Fiberglass FCM672

#NI

All parts diagram

Filter, 1" x 14 1/2" x 20 5/8" fiberglass

Part #FCM672

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

Bottom Frame Assembly FPCFA-129
#24B

(c-100-aca) (c-120-aca) (c-140-aca) diagram

Bottom frame assembly

Part #FPCFA-129

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

Fire Box Shield Assembly FPYA-140
Fire box shield assembly

Part #FPYA-140

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

Center Front Panel Assembly FPYA-234
#4

(apac-140) diagram

Center front panel assembly

Part #FPYA-234

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.

View all

Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Read more

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…

Read more

Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Read more

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.

View all
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.…

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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