Mitsubishi
Central Air Conditioner

Model # PUZ-A18NHA3 Official Mitsubishi split-system outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi PUZ-A18NHA3 split-system outdoor unit, 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 37 parts  |

Central Air Conditioner Electronic Control Board T7WE38313
#21

Functional parts diagram

Central air conditioner electronic control board

Part #T7WE38313

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

Muffler T7WE06467
#23

Functional parts diagram

Muffler

Part #T7WE06467

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

Propeller R01E07115
#2

Functional parts diagram

Propeller

Part #R01E07115

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

Noise Filter T7WE20346
#20

Functional parts diagram

Noise filter

Part #T7WE20346

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

Valve 4-wy R01E30403
#15

Functional parts diagram

Valve 4-wy

Part #R01E30403

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

Valve Stop T7WE03410
#6

Functional parts diagram

Valve stop

Part #T7WE03410

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

Thermistor R01E99202
#24

Functional parts diagram

Thermistor

Part #R01E99202

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

Plate Condenser T7WE00617
#4

Structural parts diagram

Plate condenser

Part #T7WE00617

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

Cord Cover T7WE00649
#7

Structural parts diagram

Cord cover

Part #T7WE00649

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

High Pressure T7WE07208
#13

Functional parts diagram

High pressure

Part #T7WE07208

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

Repair guides for chest freezers

How to replace a freezer compressor start relay

How to replace a freezer compressor start relay

The compressor start relay starts the compressor. If the compressor won’t start, follow these steps to replace a defect…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer temperature control thermostat

How to replace a freezer temperature control thermostat

The cold control thermostat regulates the freezer temperature. A defective cold control thermostat can prevent the compr…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer lid gasket

How to replace a freezer lid gasket

The lid gasket prevents air and moisture from entering the freezer when the lid is closed. Follow these steps to replace…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your central air conditioners

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Maintaining your air conditioner

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

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