Carrier
Heating & Cooling Combined Unit

Model #48DTN030060300 Official Carrier package unit

Here are the diagrams and repair parts for Carrier 48DTN030060300 package unit, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Showing 10 of 144 parts

Furnace Electronic Control Board#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.
In Stock
$785.66 | 
$10.00 OFF 
Phone Price: $795.66
Sensor#128

Burner assy Diagram

Sensor

Part #48GS400192
In Stock
$25.77
Support#129

Burner assy Diagram

Support

Part #48GS500020
In Stock
$15.18
Mtr Mountng#46

Front view/rear view Diagram

Mtr mountng

Part #316709-201
This item is not returnable
In Stock
$2.16
Igniter#117

Inside view Diagram

Igniter assembly

Part #LH35XZ001
Replaced by #LH660013
?
Manufacturer substitution
This part replaces LH35XZ001. Substitute parts can look different from the original.
In Stock
$192.89
Valve, Txv#110

Piston assy Diagram

Valve, txv

Part #EA36YD139
In Stock
$189.88
Panel#20

Front view/rear view Diagram

Panel

Part #48GS500009
In Stock
$58.99
Grommet#88

Blower assy Diagram

Grommet

Part #KA56TR056
In Stock
$24.97
Plug Assembly#NI

Front view/rear view Diagram

Plug assembly

Part #HY07MP311
In Stock
$31.18
Top Cover#16

Front view/rear view Diagram

Top cover

Part #50SZ500123
In Stock
$467.99

Symptoms common to all heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

Thermostat problem, clogged air filter, burner failure
Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor
Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.
Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring failures.
Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor
Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch

Repair guides common to all heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only stay on for a few seconds.

Repair difficulty
Time required
 15 minutes or less
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 dripping below the inside air conditioner unit. Follow the steps in this guide to unclog the drain pipe.

Repair difficulty
Time required
 15 minutes or less
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.

Repair difficulty
Time required
 30 minutes or less

Articles and videos common to all 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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Should I replace my gas furnace with an electric heat pump?

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