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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Mitsubishi Split-Type, Heat Pump Air Conditioner PUZ-A36NHA2-BS

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Maintenance Plans for Mitsubishi Split-Type, Heat Pump Air Conditioner Model PUZ-A36NHA2-BS

Integrate maintenance plans directly into your work orders in MaintainX.

Accumulator Disassemble

Remove the service panel

Remove the top panel

Remove 2 front cover panel fixing screws (5 ✕ 10) and remove the front cover panel

Remove 2 back cover panel fixing screws (5 ✕ 10) and remove the back cover panel

Remove the electrical parts box

Remove 3 valve bed fixing screws (4 ✕ 10), 4 ball valve and stop valve fixing screws (5 ✕ 16), then remove the valve bed

Remove 3 right side panel fixing screws (5 ✕ 10) in the rear of the unit and then remove the right side panel

Recover refrigerant

Remove 2 welded pipes of accumulator inlet and outlet

Run this procedure

Linear Expansion Valve Disassemble

Remove the service panel

Remove the top panel

Remove the electrical parts box

Remove 3 valve bed fixing screws (4 ✕ 10), 4 ball valve and stop valve fixing screws (5 ✕ 16), then remove the valve bed

Remove 3 right side panel fixing screw (5 ✕ 10) in the rear of the unit and then remove the right side panel

Remove the linear expansion valve

Recover refrigerant

Remove the welded part of linear expansion valve

Note 1: Recover refrigerant without spreading it in the air

Run this procedure

Electrical Parts Box Disassemble

Remove the service panel

Remove the top panel

Disconnect the indoor/outdoor connecting wire from terminal block

Remove all the following connectors from controller circuit board

Remove a screw (4 ✕ 8) from the valve bed to remove the lead wire

Pull out the disconnected wire from the electrical parts box

Diagram symbol in the connector housing

Remove the terminal cover and disconnect the compressor lead wire

Remove an electrical parts box fixing screw (4 ✕ 10) and detach the electrical parts box by pulling it upward

Run this procedure

Outdoor Unit Refrigirant Charging

Cautions for service

Refrigerant recovered from the unit completely

Refrigerant not released in the air

Cycle charged with specified amount of refrigerant

Filter drier installed

Additional refrigerant charge

Cylinder for R410A is a syphon type

Charging performed with the cylinder of syphon stood vertically

Service tools

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TH7 Thermistor Disassemble

Remove the service panel

Upload a photo of the removed service panel

Remove the top panel

Upload a photo of the removed top panel

Disconnect the connector TH7 (red) on the controller circuit board in the electrical parts box

Loosen the clamp for the lead wire in the rear of the electrical parts box

Upload a photo of the loosened clamp for the lead wire

Pull out the thermistor <Outdoor> (TH7) from the sensor holder

Note: In case of replacing thermistor <Outdoor> (TH7), replace it together with thermistor <Outdoor 2-phase pipe> (TH6), since they are combined together.

Run this procedure