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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 Outdoor Heat Pump RXS50F2V1B

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Maintenance Plans for Daikin Outdoor Heat Pump Model RXS50F2V1B

Integrate maintenance plans directly into your work orders in MaintainX.

PCB Removal

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

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

Disconnect the connectors from the service monitor PCB [S52] [S102].

Detach the 4 clamps with pliers.

Remove the screws of the terminal board and the earth wire.

Unfasten the hook on the right.

Open the terminal board.

Disconnect the harnesses.

Disconnect the harnesses

Run this procedure

Power Supply Waveform Check

Warning: This check requires trained personnel with PPE!

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

Is the power supply waveform a sine wave?

Upload a photo of the waveform

Is there waveform disturbance near the zero cross?

Sign off on the power supply waveform check

Run this procedure

Rotation Pulse Input on the Outdoor Unit PCB Check

Outdoor fan motor

Voltage of 320 ± 30 V is applied

Set operation off and power off. Disconnect the connector S70

Voltage between the pins 4 - 7

Control voltage between the pins 3 - 4

Rotation command voltage between the pins 2 - 4

Keep operation off and power off. Connect the connector S70

2 pulses (0 ~ 15 VDC) at the pins 1 - 4 when the fan motor is rotated 1 turn by hand

Fuse is not melted

Run this procedure

Thermistor Resistance Check

Warning: Disconnect the connectors of the thermistors from the PCB before proceeding

Thermistors disconnected from the PCB?

Measure the resistance of each thermistor using tester

Select the model of the thermistor

For the models in which the thermistor is directly mounted on the PCB, disconnect the connector for the PCB and measure.

Sign off on the thermistor resistance check

Run this procedure

Electronic Expansion Valve Removal

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

Pull out the electronic expansion valve coil.

Remove the sheets of putty.

Warning: Be careful not to get yourself burnt with the 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.)

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.

Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

Heat up the 2 brazed parts of the electronic expansion valve and remove it.

Run this procedure