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Friedrich
Heating & Cooling Combined Unit

Model # PH12R3RB Official Friedrich packaged terminal air conditioner & heat pump

Here are the diagrams and repair parts for Official Friedrich PH12R3RB packaged terminal air conditioner & heat pump, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manual

Model diagram and schematic

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Showing 10 of 16 parts  |
Icp Speed Nut 25060500

#(NI)

All parts diagram

Icp speed nut

Part #25060500

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

Icp Overload 61764521

#NI02

All parts diagram

Icp overload

Part #61764521

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

Terminal Block 25043201

#(NI)

All parts diagram

Terminal block

Part #25043201

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

Icp Brace Control 25036400
#24

Air handler diagram

Icp brace control

Part #25036400

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

Relay 21053004

#NI22

All parts diagram

Relay

Part #21053004

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

Scroll 25014305

#(NI)

All parts diagram

Scroll

Part #25014305

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

Holder,fus 21058447
#57B

Control box assembly diagram

Holder,fus

Part #21058447

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

Relay 25042500

#NI21

All parts diagram

Relay

Part #25042500

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

Fuse,time 21058451
#56B

Control box assembly diagram

Fuse,time

Part #21058451

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

Thermostat 60603900

#(NI)

All parts diagram

Thermostat

Part #60603900

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…

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…

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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…

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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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