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Carrier
Heating & Cooling Combined Unit

Model # 50JZ042300 Official Carrier heat pump

Here are the diagrams and repair parts for Official Carrier 50JZ042300 heat pump, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 126 parts  |
Contactor HN51KB024
#54

Control box diagram

Contactor

Part #HN51KB024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
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$26.61 | 
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In Stock
Central Air Conditioner Condenser Fan Motor HC35GE235
#74

Inside view diagram

Central air conditioner condenser fan motor

Part #HC35GE235

$531.10
In Stock
Accumulatr KH71KN164
#80

Compressor diagram

Accumulatr

Part #KH71KN164

$194.51
In Stock
Filter 9460-4900
Filter

Part #9460-4900

$617.05
In Stock
Valve EC39DM061
#NI

Front view/rear view diagram

Valve

Part #EC39DM061

This item is not returnable
$5.66
In Stock
Insulation 48GS500307
#34

Inside view diagram

Insulation

Part #48GS500307

$63.60
In Stock
Carrier Condenser Coil 50JZ400105
#81

Compressor diagram

Carrier condenser coil

Part #50JZ400105

$3488.13
In Stock
Strap Cap P281-0028
#61

Inside view diagram

Strap cap

Part #P281-0028

$18.83
In Stock
Payne Panel 50JS400288
#8

Front view/rear view diagram

Payne panel

Part #50JS400288

$206.20
In Stock
Plate Assembly 48GS400310
#63

Blower assy diagram

Plate assembly

Part #48GS400310

$288.69
In Stock

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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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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 15 minutes or less
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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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Effective articles & videos to help repair your heating & cooling combined units

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

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