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Mitsubishi
Central Air Conditioner

Model # MXZ-3B24NA Official Mitsubishi outdoor unit

Here are the diagrams and repair parts for Official Mitsubishi MXZ-3B24NA outdoor unit, as well as links to manuals and error code tables, if available.

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Installation guide
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 40 parts  |
Rear Panel M210A2248
#15

Cabinet parts diagram

Rear panel

Part #M210A2248

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

Propeller M21L2V501
#1

Pcb's assy diagram

Propeller

Part #M21L2V501

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

Rv Coil T2WL7V398
#9

Pcb's assy diagram

Rv coil

Part #T2WL7V398

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

Central Air Conditioner Electronic Control Board M219T4440
#3

Pcb's assy diagram

Central air conditioner electronic control board

Part #M219T4440

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

Stop Valve M210A2668
#13

Cabinet parts diagram

Stop valve

Part #M210A2668

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

Terminal B T2WL7V377
#8

Pcb's assy diagram

Terminal b

Part #T2WL7V377

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

Central Air Conditioner Compressor T92505801
#5

Cabinet parts diagram

Central air conditioner compressor

Part #T92505801

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

Room Air Conditioner Front Grille M21L2V010
#3

Cabinet parts diagram

Room air conditioner front grille

Part #M21L2V010

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

Rear Guard M210A2523
#21

Cabinet parts diagram

Rear guard

Part #M210A2523

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

Top Panel M21L2V297
#20

Cabinet parts diagram

Top panel

Part #M21L2V297

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

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

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Why does my water softener overflow?

Main causes: faulty brine valve assembly, bad rotor valve…

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Why is my softened water salty?

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

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Why isn't my water softener using salt?

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

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Why does my water softener leak water?

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

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Why is there no display on my water softener?

Main causes: lack of electrical power, bad power transformer, faulty timer…

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Why isn't my water softener softening my water?

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

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Why are water softener resin beads in my water?

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

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Why isn't my water softener meter working?

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

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Repair guides for water softeners

These step-by-step repair guides will help you safely fix what’s broken on your water softener.

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How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your water softener.

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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

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

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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