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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 160

60 hz.
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SiUS34-907
J9
3.26 "
" Malfunction of Subcooling Heat Exchanger Gas Pipe
Thermistor (R6T)
J9
Remote
Controller
Display
Applicable
RXYMQ36 · 48PVJU
Models
Method of
Malfunction is detected according to the temperature detected by subcooling heat exchanger gas
pipe thermistor.
Malfunction
Detection
Malfunction
When the subcooling heat exchanger gas pipe thermistor is short circuit or open circuit.
Decision
Conditions
 Faulty subcooling heat exchanger gas pipe thermistor (R6T)
Supposed
 Faulty outdoor unit PCB
Causes
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Confirm which thermistor is abnormal
using outdoor unit "monitor mode".
(Refer to P.105, 106)
exchanger gas pipe thermistor
connected to X13A on
removing the thermistor
(R6T) from outdoor unit
PCB normal? (3.5kW
∗ Refer to "Thermistor Resistance / Temperature Characteristics" table on P.241.
Troubleshooting
Is
the connector
for subcooling heat
outdoor unit PCB
(A1P)?
YES
Is the
resistance
measured after
to 360kW)
YES
Troubleshooting by Indication on the Remote Controller
NO
NO
Connect the connector and
operate unit again.
Replace the thermistor (R6T).
Replace the outdoor unit PCB
(A1P).
151

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