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Carrier
Heating & Cooling Combined Unit

Model # 50DU048300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 50DU048300 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 92 parts  |
Contactor HN51KB024
#NI

Package unit diagram

Contactor

Part #HN51KB024

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

Strap Cap 317739-303
#NI

Package unit diagram

Strap cap

Part #317739-303

$9.20
In Stock
Pcb Assembly HK38EA009
#NI

Package unit diagram

Pcb assembly

Part #HK38EA009

Replaced by #HK38EA012

?
Manufacturer substitution
This part replaces HK38EA009. Substitute parts can look different from the original.
$1166.10
| 
$12.00 OFF Phone Price : $1178.10
In Stock
Pcb Assembly HK38EA008
#NI

Package unit diagram

Pcb assembly

Part #HK38EA008

Replaced by #HK38EA023

?
Manufacturer substitution
This part replaces HK38EA008. Substitute parts can look different from the original.
$971.19
| 
$12.00 OFF Phone Price : $983.19
In Stock
Grommet KA56DS001
#NI

Package unit diagram

Grommet

Part #KA56DS001

This item is not returnable
$2.63
In Stock
Bolt AA06BS228
#NI

Package unit diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Block 48NT500377
#NI

Package unit diagram

Block

Part #48NT500377

$46.00
In Stock
Plug Assembly HY07MP311
#NI

Package unit diagram

Plug assembly

Part #HY07MP311

$72.84
In Stock
Insulation 50JS500032
#36

Package unit diagram

Insulation

Part #50JS500032

$30.27
In Stock
Valve,serv EC39EZ065
#NI

Package unit diagram

Valve,serv

Part #EC39EZ065

$9.11
In Stock

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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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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