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Documents & Manuals

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

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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 Air Conditioner PURY-P300YLM-A1

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Maintenance Plans for Mitsubishi Air Conditioner Model PURY-P300YLM-A1

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Check Valve Disassembling

1. R410A CITY MULTI R2 Solenoid valve block ASSY (SV4a, SV4b, SV4d), Check valve (CV4a, CV6a, CV8a, CV9a) replacement instructions.

* Following instructions show procedures for replacing service parts for Solenoid valve block ASSY (SV4a, SV4b,

SV4d), Check valve (CV4a, CV6a, CV8a, CV9a). Replace them properly according to the procedures.

2. Parts to be serviced, Set-content

- Check valve (CV4a, CV8a) - Service parts replacement instructions - KB00S879G23.

• Replacement instructions - WT07370X01.

• Check valve - P639183X01.

- Check valve (CV6a) - Service parts replacement instructions - KB00S879G24.

• Replacement instructions - WT07370X01.

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BC Controller Solenoid Valve Disassembling

(1) Remove the service panel. (See figure at right.).

(2) Remove the connector of the solenoid valve in trouble.

(3) Remove the solenoid valve coil.

1) The coils on the solenoid valves SVA, SVB, SVM1,SVM1b, SVM2, and SVM2b can be serviced through the inspection door.

SVC is accessible for replacement by removing the four mounting screws on the rear panel and removing the panel.

(if enough space is available on the back). (SVM1 is present only on the G1, GA1, and HA1 types, SVM2 on the GA1 and HA1 types,

and SVM1b and SVM2b on the HA1 type.);

Run this procedure

BC Controller Thermistors Disassembling

(1) Remove the service panel.

1) For TH11, TH12, and TH15, refer to 1. 1), 2).

2) For TH16, refer to 1. 1), 2), 3). (GA1 type only).

(2) Remove the lead wire of the piping sensor from the control board.

1) TH11,TH12 (CN10).

2) TH15,TH16 (CN11).

(3) Pull out the temperature sensor from the temperature sensor housing, and replace the temperature sensor with the new one.

(4) Connect the lead wire of the temperature sensor securely on the control board.;

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Solenoid Valve Block Disassembling

R410A CITY MULTI R2 Solenoid valve block ASSY (SV4a, SV4b, SV4d), Check valve (CV4a, CV6a, CV8a, CV9a) replacement instructions.

Check that the main power supply is OFF.

Check that no refrigerant is in the outdoor unit.

Remove each part according to the 1)-3) procedures on the figure above right before replacing service parts.

Mount the removed parts back in place in a reversed procedure of 1)-3) on the figure next page after replacing service parts.

Solenoid valve block ASSY (SV4a, SV4b, SV4d) replacement procedures.

To remove Solenoid valve block ASSY.

Remove the Solenoid valve block coil cover, Solenoid valve coil, and peripheral cables.

Remove the screw (M5) that fixes the supporting plate for Solenoid valve block and the unit base.

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Compressor Disassembling

Remove both the top and bottom service panels (front panels)

Remove the control box and the compressor cover (front)

Remove the wires that are secured to the frame,and remove the frame

Remove the compressor cover (top)

Remove the compressor wires, compressor cover, and the right

Place protective materials on the insulation lining of the compressor cover and on the sealing material, on the compressor suction pipe to protect them from the torch flame, debraze the pipe, and replace the compressor

Sign off on the compressor disassembling

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