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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 PUY-A42NHA2-BS

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Maintenance Plans for Mitsubishi Split-Type, Heat Pump Air Conditioner Model PUY-A42NHA2-BS

Integrate maintenance plans directly into your work orders in MaintainX.

4-Way Valve Disassemble

Upload a photo of the service panel before removal

Service panel removed successfully

Upload a photo of the top panel before removal

Top panel removed successfully

Number of valve bed fixing screws removed

Number of ball valve and stop valve fixing screws removed

Valve bed removed successfully

Number of right side panel fixing screws removed

Right side panel removed successfully

Run this procedure

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

Remove 3 separator fixing screws (4 ✕ 10) and remove the separator

Recover refrigerant

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

Remove 4 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

Note 2: The welded part can be removed easily by removing the right side panel

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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

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