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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 Ceiling Mounted Cassette Type Air Conditioner FXFQ15PVJU

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Maintenance Plans for Daikin Indoor Unit Ceiling Mounted Cassette Type Air Conditioner Model FXFQ15PVJU

Integrate maintenance plans directly into your work orders in MaintainX.

Power Transistor Check

Warning: Power OFF before starting the procedure

Remove all the wiring connected to the PCB where power transistors are mounted on

Preparation: Multimeter (Analog system recommended, Digital system with diode check function is usable)

Multimeter prepared?

Point of Measurement and Judgment Criteria: Measure the resistance value using a tester at each point of measurement below, 10 minutes later after power OFF.

If using analog multimeter: Measurement in the resistance value mode in the range of multiplying 1 kΩ.

If using digital multimeter: Measurement is executed in the diode check mode.

Enter the resistance value measured

Is the resistance value within the acceptable range?

Run this procedure

Broken Wire Check

Warning: Ensure the power supply to all equipment is turned OFF before starting the procedure.

Power supply to all equipment turned OFF?

Short circuit between the indoor-outdoor unit terminal F1 and F2 in the outdoor unit.

Short circuit between F1 and F2 successful?

Continuity checks between the transmission wirings F1 and F2 of the indoor unit a that is farthest from the outdoor unit using a multimeter.

Is there continuity between the said transmission wirings?

If there is no continuity, the transmission wiring may have broken wires.

With the indoor-outdoor unit terminal of the outdoor unit short circuited, identify the place with continuity in the transmission wiring of the indoor unit b, transmission wiring of the indoor unit c, and transmission wiring of the indoor unit d in the order described.

Place with continuity identified?

Run this procedure

Refrigerant Overcharge Check

Warning: This procedure requires trained personnel with PPE!

Enter the high pressure reading

Is overload control conducted causing insufficient cooling capacity?

Enter the superheating degree of suction gas

Is the compressor lower in discharge pipe temperature despite of pressure loads?

Enter the subcooling degree of condensate

In heating, is the temperature of discharge air through the subcooled section lower?

Sign off on the refrigerant overcharge check

Run this procedure