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Carrier
Heating & Cooling Combined Unit

Model # 48XL030040300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48XL030040300 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 143 parts  |
Contactor HN51KB024
#63

Control panel assy diagram

Contactor

Part #HN51KB024

Replaced by #90-244

?
Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
BEST SELLER
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Control Board HK42FZ024
#65

Outside view diagram

Control board

Part #HK42FZ024

Replaced by #HK42FZ035

?
Manufacturer substitution
This part replaces HK42FZ024. Substitute parts can look different from the original.
$809.30 | 
$12.00 OFF Phone Price : $821.30
In Stock
Motor HD44RE120
#87

Blower assy diagram

Motor

Part #HD44RE120

Replaced by #58MV660002

?
Manufacturer substitution
This part replaces HD44RE120. Substitute parts can look different from the original.
$1522.17 | 
$12.00 OFF Phone Price : $1534.17
In Stock
Coil,evap. 50DT400209
#103B

Outside view diagram

Coil,evap.

Part #50DT400209

$2139.05
In Stock
Insulation 48GS500191
#29

Front view/rear view diagram

Insulation

Part #48GS500191

$76.73
In Stock
Filter KH43LG073
#105

Compressor assy diagram

Filter

Part #KH43LG073

$87.11
In Stock
Pre.switch HK02ZA407
#96

Compressor assy diagram

Pre.switch

Part #HK02ZA407

$29.00
In Stock
Switch 331055-706
#95

Compressor assy diagram

Switch

Part #331055-706

$76.35 | 
7% OFF Phone Price : $82.35
In Stock
Payne Fitting 305843-201
#148

Outside view diagram

Payne fitting

Part #305843-201

$9.03
In Stock
Insulation 48GS500110
#121

Exchange assy diagram

Insulation

Part #48GS500110

$61.04
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 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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Most common repair guides to help fix your heating & cooling combined units

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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

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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How to prevent the 2 most common AC failures from ruining your summer

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