Carrier
Heating & Cooling Combined Unit

Model # 38CS018301 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 38CS018301 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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Showing 10 of 33 parts  |

Support 51304402600
#33

Cabinet parts diagram

Support

Part #51304402600

The manufacturer no longer makes this part, and there's no substitute part

Condenser Coil 51308367410
#16

Cabinet parts diagram

Condenser coil

Part #51308367410

The manufacturer no longer makes this part, and there's no substitute part

Capillary 51305868300
#NI

Cabinet parts diagram

Capillary

Part #51305868300

The manufacturer no longer makes this part, and there's no substitute part

Contactor 51307868800
#31

Cabinet parts diagram

Contactor

Part #51307868800

The manufacturer no longer makes this part, and there's no substitute part

Top Cover 51304400800
#19

Cabinet parts diagram

Top cover

Part #51304400800

The manufacturer no longer makes this part, and there's no substitute part

Capacitor 51301833500
#37

Cabinet parts diagram

Capacitor

Part #51301833500

The manufacturer no longer makes this part, and there's no substitute part

Grille 51304405400
#11

Cabinet parts diagram

Grille

Part #51304405400

The manufacturer no longer makes this part, and there's no substitute part

Fan Blade 51307875500
#12

Cabinet parts diagram

Fan blade

Part #51307875500

The manufacturer no longer makes this part, and there's no substitute part

Terminl Bd 51302050600
#34

Cabinet parts diagram

Terminl bd

Part #51302050600

The manufacturer no longer makes this part, and there's no substitute part

Support 51304411100
#17

Cabinet parts diagram

Support

Part #51304411100

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your 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…

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed 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 fail…

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Most common repair guides to help fix your heating & cooling combined units

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

How to unclog the air conditioner drain line

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…

Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

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 sta…

Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

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

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.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…