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Thermal Zone
Heating & Cooling Combined Unit

Model # PA30M-1S Official Thermal Zone 12 seer single-package air conditioner

Here are the diagrams and repair parts for Official Thermal Zone PA30M-1S 12 seer single-package air conditioner, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 40 parts  |
Fan Motor 621720
#2

12 seer single package ac diagram

Fan motor

Part #621720

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

Fan Blade 667279
#4

12 seer single package ac diagram

Fan blade

Part #667279

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

Cap 621434
#33

12 seer single package ac diagram

Cap

Part #621434

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

Transformer 621708
#31

12 seer single package ac diagram

Transformer

Part #621708

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

Control Panel D02881
#29

12 seer single package ac diagram

Control panel

Part #D02881

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

Bottom Pan Assembly D03430
#28

12 seer single package ac diagram

Bottom pan assembly

Part #D03430

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

Distributor Assembly 663580
#17

12 seer single package ac diagram

Distributor assembly

Part #663580

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

Corner Panel D04361Z
#27

12 seer single package ac diagram

Corner panel

Part #D04361Z

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

Blower Relay 621097
#30

12 seer single package ac diagram

Blower relay

Part #621097

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

Coil Gasket 689513
#11

12 seer single package ac diagram

Coil gasket

Part #689513

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.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Read more

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 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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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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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.

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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…

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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…

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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.…

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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.

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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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How to prevent the 2 most common AC failures from ruining your summer

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