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Mitsubishi
Central Air Conditioner

Model # MUM18NW Official Mitsubishi split-type air conditioner

Here are the diagrams and repair parts for Official Mitsubishi MUM18NW split-type 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 24 parts  |
Mitsubishi Motor T2WA75301
#6

Main assy diagram

Mitsubishi motor

Part #T2WA75301

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

Compressor T2W903353
#8

Main assy diagram

Compressor

Part #T2W903353

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

Cabinet T2W462232
#2

Main assy diagram

Cabinet

Part #T2W462232

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

Mitsubishi Tube M21B93936
#20

Main assy diagram

Mitsubishi tube

Part #M21B93936

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

Fusble Plug T2W416642
#15

Main assy diagram

Fusble plug

Part #T2W416642

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

Mgntc Cntrt T2W382342
#1

Main assy diagram

Mgntc cntrt

Part #T2W382342

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

Mt Exchnge T2W466630
#13

Main assy diagram

Mt exchnge

Part #T2W466630

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

Cover T2W739246
#19

Main assy diagram

Cover

Part #T2W739246

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

Prplr Blde R01093115
#7

Main assy diagram

Prplr blde

Part #R01093115

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

Plug M21B90641
#14

Main assy diagram

Plug

Part #M21B90641

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 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
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Read more
Repair difficulty
Time required
 45 minutes or less

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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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