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Carrier
Heating & Cooling Combined Unit

Model # 48XLN030040300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48XLN030040300 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 144 parts  |
Contactor HN51KB024
#63

Control box/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
Temp Swtch HH18HA211
Temp swtch

Part #HH18HA211

$25.71
In Stock
Furnace Burner 50DK407030
#132

Burner assy diagram

Furnace burner

Part #50DK407030

$39.89
In Stock
Control Board HK42FZ024
#65

Inside 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
Core,valve EC39EZ067
#111

Evap coil diagram

Core,valve

Part #EC39EZ067

$22.03
In Stock
Grommet KA56DS001
#33

Inside view diagram

Grommet

Part #KA56DS001

This item is not returnable
$2.63
In Stock
Bolt AA06BS228
#84

Blower assy diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Plug Assembly HY07MP311
#NI

Front view/rear view diagram

Plug assembly

Part #HY07MP311

$72.84
In Stock
Cover Assembly 48GS400551
#15

Inside view diagram

Cover assembly

Part #48GS400551

$104.28
In Stock
Top Assembly 48GS400058
#13

Outdoor motor/fan blade gap diagram

Top assembly

Part #48GS400058

$327.00
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 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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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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How to unclog the air conditioner drain line

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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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Maintaining your air conditioner

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