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Carrier
Heating & Cooling Combined Unit

Model # 38BK012321 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 38BK012321 package unit, 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 41 parts  |
Overload HN68GP153
#NI

Cabinet parts diagram

Overload

Part #HN68GP153

$37.76
In Stock
Cpctr Strap P281-0025
#22

Cabinet parts diagram

Cpctr strap

Part #P281-0025

$9.17
In Stock
Pre.switch HK02ZA226
#NI

Cabinet parts diagram

Pre.switch

Part #HK02ZA226

$404.12
In Stock
Contactor PCC01EG0040
#24

Cabinet parts diagram

Contactor

Part #PCC01EG0040

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

Valve Coil PCS01FC0020
#50

Cabinet parts diagram

Valve coil

Part #PCS01FC0020

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

80,low Amb.contr(81) 53DS900060
#NI

Cabinet parts diagram

80,low amb.contr(81)

Part #53DS900060

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

Handle 38GA5A22050
#7

Cabinet parts diagram

Handle

Part #38GA5A22050

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

Term Block PTB00AR030A
#25

Cabinet parts diagram

Term block

Part #PTB00AR030A

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

Paint PH680003
#NI

Cabinet parts diagram

Paint

Part #PH680003

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

Revr.valve PVV02FC0020
#49

Cabinet parts diagram

Revr.valve

Part #PVV02FC0020

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 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 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 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 is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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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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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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How to replace a heating and air conditioning system thermostat

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Effective articles & videos to help repair your heating & cooling combined units

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