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Thermal Zone
Central Air Conditioner

Model # CA48K-1S Official Thermal Zone split-system air conditioner

Here are the diagrams and repair parts for Official Thermal Zone CA48K-1S split-system 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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ALL PARTS
Showing 10 of 22 parts  |
Cap Strap 258780
#11

Split system air conditioner diagram

Cap strap

Part #258780

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

Fan Blade 667211
#16

Split system air conditioner diagram

Fan blade

Part #667211

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

Contactor 621662
#9

Split system air conditioner diagram

Contactor

Part #621662

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

Control Box Cover 374260Z
#20

Split system air conditioner diagram

Control box cover

Part #374260Z

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

Bottom Pan 494420Z
#1

Split system air conditioner diagram

Bottom pan

Part #494420Z

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

Low Voltage Divider 258790
#8

Split system air conditioner diagram

Low voltage divider

Part #258790

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

Outdoor Coil (formed) 496945
#6

Split system air conditioner diagram

Outdoor coil (formed)

Part #496945

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

Compressor Bolt 600284
#22

Split system air conditioner diagram

Compressor bolt

Part #600284

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

Capacitor 620765
#10

Split system air conditioner diagram

Capacitor

Part #620765

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

Control Board 496540
#7

Split system air conditioner diagram

Control board

Part #496540

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

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Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your central air conditioners

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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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