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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

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
+ 40 more

Daikin Indoor Unit Ceiling Mounted Cassette Type Air Conditioner FXFQ09PVJU

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Maintenance Plans for Daikin Indoor Unit Ceiling Mounted Cassette Type Air Conditioner Model FXFQ09PVJU

Integrate maintenance plans directly into your work orders in MaintainX.

Refrigerant Overcharge Check

Warning: This procedure requires trained personnel with PPE!

Enter the high pressure reading

Is the cooling capacity insufficient due to overload control?

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

Power Transistor Check

Warning: Power OFF before starting the procedure

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

Upload a photo of the PCB after removing the wiring

Prepare a multimeter. An analog system is recommended, but a digital system with diode check function is also usable

Is the multimeter prepared?

Measure the resistance value using a tester at each point of measurement below, 10 minutes later after power OFF

Enter the resistance value measured

Select the type of multimeter used

Sign off on the power transistor check

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 the indoor-outdoor unit terminal F1 and F2 in the outdoor unit completed?

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

Continuity check between the transmission wirings F1 and F2 of the indoor unit a completed?

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 in the transmission wiring of the indoor unit b identified?

Run this procedure

Refrigerant Shortage Check

Warning: This check requires trained personnel with PPE!

Enter the superheating degree of suction gas

Is the compressor discharge gas temperature higher?

Does the electronic expansion valve turn open?

Does low pressure drop causing the unit not to demonstrate cooling/heating capacity?

Sign off on the refrigerant shortage check

Run this procedure