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Carrier
Heating & Cooling Combined Unit

Model # 48DT030040300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DT030040300 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 129 parts  |
Switch,prs HK06WC061
#NI

Cabinet parts diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Central Air Conditioner Condenser Fan Motor HC35GE235
#91

Cabinet parts diagram

Central air conditioner condenser fan motor

Part #HC35GE235

$509.50
In Stock
Pcb Assembly HK38EA008
#NI

Cabinet parts 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
Grille 50SZ500126
#31

Cabinet parts diagram

Grille

Part #50SZ500126

$452.53
In Stock
Sensor 48GS400192
#NI

Cabinet parts diagram

Sensor

Part #48GS400192

$26.54
In Stock
Bolt AA06BS228
#NI

Cabinet parts diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Oct Sensor HH79NZ088
#NI

Cabinet parts diagram

Oct sensor

Part #HH79NZ088

$133.82
In Stock
Panel 48GS500011
#21

Cabinet parts diagram

Panel

Part #48GS500011

$267.82
In Stock
Valve,serv EC39EZ065
#NI

Cabinet parts diagram

Valve,serv

Part #EC39EZ065

$9.11
In Stock
Grommet KA56GR140
#NI

Cabinet parts diagram

Grommet

Part #KA56GR140

This item is not returnable
$2.97
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

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d...

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15 minutes or less
How to replace the furnace flame sensor

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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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Time required
30 minutes or less

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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