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Friedrich
Heating & Cooling Combined Unit

Model # THC15R25 Official Friedrich central packaged terminal unit

Here are the diagrams and repair parts for Official Friedrich THC15R25 central packaged terminal unit, 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 103 parts  |
Holder,fus 21058444
#74

Control box assembly diagram

Holder,fus

Part #21058444

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

Rework Kit 25010101

#NI14

All parts diagram

Rework kit

Part #25010101

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

Filter 25025600
Filter

Part #25025600

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

Plate Dial 21058516
#70

Control box assembly diagram

Plate dial

Part #21058516

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

Access Cover 21062325
#32

Air handler diagram

Access cover

Part #21062325

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

Isolator 21063375
#42

Air handler diagram

Isolator

Part #21063375

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

Motor,265v 21061132
#45A

Air handler diagram

Motor,265v

Part #21061132

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

Relay 21058148
Relay

Part #21058148

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

Shaft Pulley 25009300
#39

Air handler diagram

Shaft pulley

Part #25009300

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

Coil,solen 21058644
#10E

Unit assembly diagram

Coil,solen

Part #21058644

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

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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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 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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