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Mitsubishi
Air Handler

Model # MS12NN Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MS12NN split-type air conditioner, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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Showing 10 of 34 parts  |
Liquid Union E02138667
#2

Heat exchanger diagram

Liquid union

Part #E02138667

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

Auto Resta E02268452
#NI

Motor fan assy diagram

Auto resta

Part #E02268452

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

Varistor E02268385
#NI

Motor fan assy diagram

Varistor

Part #E02268385

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

Remote Control E02141083
#NI

Cabinet parts diagram

Remote control

Part #E02141083

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

Bearing Mo E02141509
#12

Motor fan assy diagram

Bearing mo

Part #E02141509

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

Union Gas E02138666
#3

Heat exchanger diagram

Union gas

Part #E02138666

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

Indoor Fan E02270350
#NI

Motor fan assy diagram

Indoor fan

Part #E02270350

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

Electrical E02270081
#8

Motor fan assy diagram

Electrical

Part #E02270081

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

Lamp Panel E02270007
#NI

Cabinet parts diagram

Lamp panel

Part #E02270007

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

Box E02143234
#3

Cabinet parts diagram

Box

Part #E02143234

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

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Repair guides for electric water heaters

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How to replace a water heater temperature and pressure (T&P) relief valve

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Repair difficulty
Time required
 15 minutes or less
How to replace a water heater drain valve

How to replace a water heater drain valve

If the drain valve on your electric water heater is leaking water, replace it following these step-by-step instructions.…

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Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

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Repair difficulty
Time required
 15 minutes or less

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