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Carrier
Heating & Cooling Combined Unit

Model # 48DU042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DU042090300 package unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 146 parts  |
Contactor HN51KB024
#63

Control box/control panel assy diagram

Contactor

Part #HN51KB024

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

Switch,prs HK06WC061
#68

Control box/control panel assy diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Pcb Assembly HK38EA008
#74

Inside view 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
Harness Ay 48DU400001
#56

Control box/control panel assy diagram

Harness ay

Part #48DU400001

$580.53
In Stock
Side Panel 48GS500236
#37

Front view/rear view diagram

Side panel

Part #48GS500236

$299.40
In Stock
Plug Assembly HY07MP261
#55

Control box/control panel assy diagram

Plug assembly

Part #HY07MP261

$104.48
In Stock
Bracket 48GS500186
#131

Burner assy diagram

Bracket

Part #48GS500186

$24.46
In Stock
Motor HC35GE238
#91

Front view/rear view diagram

Motor

Part #HC35GE238

$520.82
In Stock
Fan LA01EA025
#90

Front view/rear view diagram

Fan

Part #LA01EA025

$151.14
In Stock
Exchanger 48XZ660004
#140

Inside view diagram

Exchanger

Part #48XZ660004

$1086.80
In Stock

Most common symptoms to help you fix your heating & cooling combined units

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

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