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Model # PUZ-A18NHA3-BS Official Mitsubishi split-system outdoor unit
Here are the diagrams and repair parts for Official Mitsubishi PUZ-A18NHA3-BS split-system outdoor unit, as well as links to manuals and error code tables, if available.
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PUZ-A18NHA3-BS Split-System Outdoor Unit
#20
Functional parts diagram
Noise filter
Part #T7WE20346
The manufacturer no longer makes this part, and there's no substitute part
#18
Functional parts diagram
Central air conditioner electronic control board
Part #T7WE84315
The manufacturer no longer makes this part, and there's no substitute part
#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
#8
Functional parts diagram
Thermistor
Part #R01E98202
The manufacturer no longer makes this part, and there's no substitute part
#8
Structural parts diagram
Rear panel
Part #T7WE08682
The manufacturer no longer makes this part, and there's no substitute part
#6
Structural parts diagram
Ser panel
Part #R01E02518
The manufacturer no longer makes this part, and there's no substitute part
#17
Functional parts diagram
Terminal block
Part #T7WE39716
The manufacturer no longer makes this part, and there's no substitute part
#3
Functional parts diagram
Nut
Part #R01E08097
The manufacturer no longer makes this part, and there's no substitute part
#19
Functional parts diagram
Reactor
Part #R01E22259
The manufacturer no longer makes this part, and there's no substitute part
#24
Functional parts diagram
Thermistor
Part #R01E99202
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for upright freezers
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Repair guides for upright freezers

How to replace a freezer door switch
When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…
Repair difficulty
Time required
15 minutes or less

How to replace a freezer thermistor
When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…
Repair difficulty
Time required
45 minutes or less

How to replace a freezer evaporator fan
Air won’t circulate to cool the freezer properly when the evaporator fan fails. Follow these step-by-step instructions t…
Repair difficulty
Time required
45 minutes or less
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