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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 224

60 hz.
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SiUS34-907
CHECK 5
Check on connector of fan motor (Power supply wire)
(1) Turn off the power supply.
Measure the resistance between phases of U,V,W at the motor side connectors (three-core wire) to check
that the values are balanced and there is no short circuiting, while connector or relay connector is
disconnected.
CHECK 6
(1) Turn off the power supply. (Signal wire)
(2) Measure the resistance between Vcc and each phase of U,V,W, and GND and each phase at the motor side
connectors (five-core wire) to check that the values are balanced within the range of ± 20 %, while connector
or relay connector is disconnected.
Furthermore, to use a multi-meter for measurement, connect the probe of negative pole to Vcc and that of
positive pole to GND.
Troubleshooting
Red
U
White
V
Black
W
5 Gray
GND
4 Pink
Vcc
3 Orange
W
2 Blue
V
1 Yellow
U
Measure the resistance
values between phases
U,V,W.
Measure the resistance
values between Vcc
and U,V,W, and GND
and U,V,W.
215

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  • cp shukla Feb 16, 2016 06:50:
    RXYQ18PAY6 service manual & vrv Fulform