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Documents & Manuals

Find all the essential guides in one place.

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

Integrate maintenance plans directly into your work orders.

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 Outdoor Heat Pump ARXS20G3V1B

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Maintenance Plans for Daikin Outdoor Heat Pump Model ARXS20G3V1B

Integrate maintenance plans directly into your work orders in MaintainX.

Fan Motor Connector Output Check

Check the connection of connector

Check the motor power supply voltage output (pins 4 - 7)

Check the motor control voltage (pins 4 - 3)

Check the rotation command voltage (pins 4 - 2)

Check the rotation pulse (pins 4 - 1)

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Power Supply Waveforms Check

Warning: This check requires trained personnel with PPE!

Measure the power supply waveform between No. 1 and No. 2 on the terminal board

Upload a photo of the measured waveform

Is the power supply waveform a sine wave?

Is there waveform disturbance near the zero cross?

Sign off on the power supply waveforms check

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Reactor / Partition Plate Removal

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

1. Remove the reactor.

Preparation

Remove the outer panels according to the “Removal of Outer Panels / Fan Motor”.

Remove the electrical box according to the “Removal of Electrical Box”.

1 Remove the screw and remove the reactor.

2. Remove the partition plate.

1 Remove the 2 screws.

2 The partition plate has a hook on the lower side. Lift and pull the partition plate to remove.

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PCB Removal

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

Main PCB removed

Screw on the terminal board removed

2 earth terminals released

Forced operation button PCB disconnected

Relay connector disconnected

Clamp cut

Harness released

Clamps at the 2 locations cut

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Compressor Removal

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

Remove the 2 nuts of the compressor.

Warning: Be careful not to get yourself burnt with pipes and other parts that are heated by the gas brazing machine.

Warning: If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is exposed to flames, toxic gas may be generated.)

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

Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.

Restore the piping by nonoxidation brazing.

It is required to prevent the carbonization of the oil inside the four way valve and the deterioration of the gaskets affected by heat. (Keep below 120°C.) For the sake of this, wrap the four way valve with wet cloth and provide water so that the cloth does not dry.

Disconnect the brazed part where is easy to disconnect and restore.

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