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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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Daikin Indoor Unit Wall Mounted Type FTXS50D2V1L

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Maintenance Plans for Daikin Indoor Unit Wall Mounted Type Model FTXS50D2V1L

Integrate maintenance plans directly into your work orders in MaintainX.

Capacitor Voltage Check

Warning: Check the main circuit for short-circuit before proceeding

Main circuit checked for short-circuit?

Warning: Be careful never to touch any live parts.

Enter the measured voltage

Sign off on the capacitor voltage check

Run this procedure

Compressor Removal

Warning: Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.

Warning: Since it may happen that refrigeration oil in the compressor will catch fire, prepare wet cloth so as to extinguish fire immediately.

Warning: Ventilate when refrigerant leaks during the work. (If refrigerant contacts fire, it will cause to arise toxic gas.)

Caution: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas welding rod.

Remove the terminal cover.

Disconnect the flagshaped terminals.

Detach the compressor lead wire.

Detach the overload protector.

Remove the 2 sheets of putty.

Run this procedure

Distributor Removal

Warning: Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.

Putty removed

Warning: Ventilate when refrigerant leaks during the work. (If refrigerant contacts fire, it will cause to arise toxic gas.)

Caution: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas welding rod.

Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to recover the refrigerant gas with the recovery system.

Refrigerant gas recovered with the recovery system

Sign off on the distributor removal

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Elecrical Box Removal

Warning: Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.

1. Disconnect the connecting wires

Illustrations are for 3 room model. (4MK(X)S-F models have 4 ports)

1 Inside structure.

2 Disconnect the connecting wires.

Connecting wires of the A, B, C, D port

(1) - Black Power supply

(2) - White Power supply

(3) - Red Transmission

Run this procedure

Electronic Expansion Valve Check

Check No.04:

Conduct the followings to check the electronic expansion valve (EV).

1. Check to see if the EV connector is correctly inserted in the PCB. Compare the EV unit and the connector number.

2. Turn the power off and back on again, and check to see if all the EVs generate latching sound.

3. If any of the EVs does not generate latching noise in the above step 2, disconnect that connector and check the conductivity using a tester.

Check the conductivity between pins 1, 3 and 6, and between pins 2, 4 and 5. If there is no conductivity between the pins, the EV coil is faulty.

4. If no EV generates latching sound in the above step 2, the outdoor unit PCB is faulty.

5. If the conductivity is confirmed in the above step 2, mount a good coil (which generated latching sound) in the EV unit that did not generate latching sound, and check to see if that EV generates latching sound.

∗If latching sound is generated, the outdoor unit PCB is faulty.

Run this procedure