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Carrier
Heating & Cooling Combined Unit

Model # 50DT036300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 50DT036300 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 111 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.
BEST SELLER
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Central Air Conditioner Filter Dryer KH43LG072
#NI

Cabinet parts diagram

Central air conditioner filter dryer

Part #KH43LG072

$120.16 | 
9% OFF Phone Price : $132.16
In Stock
Wheel Blwr LA22RC001
#NI

Cabinet parts diagram

Wheel blwr

Part #LA22RC001

$223.38
In Stock
Grille 50SZ500126
#31

Cabinet parts diagram

Grille

Part #50SZ500126

$452.53
In Stock
Button KA51PC175
#NI

Cabinet parts diagram

Button

Part #KA51PC175

This item is not returnable
$5.11
In Stock
Paint 313974-751
#NI

Cabinet parts diagram

Paint

Part #313974-751

$60.89
In Stock
Panel 48GS500235
#20

Cabinet parts diagram

Panel

Part #48GS500235

$293.29
In Stock
Heater HT32BH282
#NI

Cabinet parts diagram

Heater

Part #HT32BH282

$169.08
In Stock
Pre.switch HK02ZA407
#NI

Cabinet parts diagram

Pre.switch

Part #HK02ZA407

$29.00
In Stock
Valve,serv EC39EZ065
#NI

Cabinet parts diagram

Valve,serv

Part #EC39EZ065

$9.11
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 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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