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Carrier
Heating & Cooling Combined Unit

Model # 48SDN036090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48SDN036090300 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 103 parts  |
Contactor HN51KB024
#NI

Cabinet parts 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
Insulation 48GS500302
#NI

Cabinet parts diagram

Insulation

Part #48GS500302

$103.78
In Stock
Condenser Coil 50SD400060
#100

Cabinet parts diagram

Condenser coil

Part #50SD400060

$2995.03
In Stock
Insulation 48SS500601
#NI

Cabinet parts diagram

Insulation

Part #48SS500601

$39.82
In Stock
Transformer HT01BD209
#NI

Cabinet parts diagram

Transformer

Part #HT01BD209

$74.42
In Stock
Furnace Burner 50DK407030
#NI

Cabinet parts diagram

Furnace burner

Part #50DK407030

$39.89
In Stock
Paint 313974-751
#NI

Cabinet parts diagram

Paint

Part #313974-751

$60.89
In Stock
Core,valve EC39EZ067
#NI

Cabinet parts diagram

Core,valve

Part #EC39EZ067

$24.06
In Stock
Panel 50JS500022
#9

Cabinet parts diagram

Panel

Part #50JS500022

$220.22
In Stock
Valve,serv EC39EZ065
#NI

Cabinet parts diagram

Valve,serv

Part #EC39EZ065

$10.03
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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