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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

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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 Outdoor Unit Wall Mounted Type RXJ35MV1B

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Maintenance Plans for Daikin Outdoor Unit Wall Mounted Type Model RXJ35MV1B

Integrate maintenance plans directly into your work orders in MaintainX.

Main Circuit Short Check

Warning: Ensure the voltage between (+) and (-) of the diode bridge (DB1) is approximately 0 V before checking.

Enter the voltage between (+) and (-) of the diode bridge (DB1)

Measure the resistance between the pins of the DB1 referring to the table below.

Enter the resistance between the pins of the DB1

Is the resistance ∞ or less than 1 kΩ?

If the resistance is ∞ or less than 1 kΩ, short circuit occurs on the main circuit.

Sign off on the main circuit short check

Run this procedure

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)

Sign off on the fan motor connector output check

Run this procedure

Thermistor Resistance Check

Warning: Ensure the machine is powered off before starting the procedure

Disconnect the connectors of the thermistors from the PCB

Measure the resistance of each thermistor using a multimeter

Remove the PCB from the control PCB to measure the resistance of the room temperature thermistor

Remove the thermistor and measure the resistance of the indoor heat exchanger thermistor

Sign off on the thermistor resistance check

Run this procedure

Inverter Analyzer Check

Warning: This procedure requires trained personnel with PPE!

Power turned off?

Install an inverter analyzer instead of a compressor

Charged voltage of the built-in smoothing electrolytic capacitor dropped to 10 VDC or below?

Terminals removed from the compressor?

Terminals connected to the terminals of the inverter analyzer without touching each other?

Activate power transistor test operation from the indoor unit

Power turned on?

FAN operation selected with the Mode button on the remote controller?

Run this procedure

Rotation Pulse Check

Check No.16:

20/25/35 class

1. Check that the control voltage between the pins 10 - 11 is 15 VDC.

2. Check if the Hall IC generates the rotation pulse (0 ~ 15 VDC) 4 times between the pins 10 - 12, 10 - 13, when the fan motor i/s manually rotated once.

50 class

Make sure that the voltage of 320 ± 30 V is applied.

1. Set operation off and power off. Disconnect the connector S70.

2. Check that the voltage between the pins 4 - 7 is 320 VDC.

3. Check that the control voltage between the pins 3 - 4 is 15 VDC.

Run this procedure