Daikin VRV, Руководство по обслуживанию

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Si30-408 Method of Troubleshooting
Troubleshooting 75
3.2 Abnormal Judgment for Various Sensors
When pressure sensor, thermistor or current sensor detects an abnormal value (upper limit
value or more, or lower limit value or less), the unit will be halted with display of "Abnormal
cord". [Abnormal stop]
Outdoor Unit
Indoor Unit
Sensor name
R22 model R407C model R410A model
Malfunction
code Electronic
symbol
Upper limit
value
Lower limit
value
Electronic
symbol
Upper limit
value
Lower limit
value
Electronic
symbol
Upper limit
value
Lower limit
value
High-pressure sensor SENPH 71.4
°C
–40.5
°C
SENPH 74.4
°C
–35.7
°C
SINPH
43
kg/cm
2
0.1
kg/cm
2
JA
Low-pressure sensor SENPL 26.8
°C
–53.5
°C
SENPL 32.7
°C
–39.6
°C
SINPL
18
kg/cm
2
–0.1
kg/cm
2
JC
Outdoor air thermistor Th1 90.0
°C
–43.7
°C
R1T 90.0
°C
–43.6
°C
R1T 90.0
°C
–43.6
°C
H9
Heat exchanger
thermistor
Th2 90.0
°C
–43.7
°C
R2T 90.0
°C
–43.6
°C
R4T 90.0
°C
–43.6
°C
J6
Discharge pipe
thermistor
(For INV)
Th3-1 196.0
°C
–10.2
°C
R3-1T 165.0
°C
–20.0
°C
R31T 165.0
°C
–20.0
°C
J3
Discharge pipe
thermistor
(For STD)
Th3-2 196.0
°C
–10.2
°C
R3-2T 165.0
°C
–20.0
°C
R32T 165.0
°C
–20.0
°C
J3
Suction pipe
thermistor
Th4 90.0
°C
–10.2
°C
R6T 90.0
°C
–43.6
°C
R2T 90.0
°C
–43.6
°C
J5
Oil temperature
thermistor
(For INV)
Th5-1 90.0
°C
–10.2
°C
— — — — — — JH
Oil temperature
thermistor
(For STD)
Th5-2 90.0
°C
–10.2
°C
— — — — — — JH
Header thermistor Th6 90.0
°C
–10.2
°C
R4T 90.0
°C
–43.6
°C
90.0
°C
–43.6
°C
J7
Current sensor — — — T1A 40A 5A T1A 40A 5A J2
Applicable models
RXY ~ K(A)
RNY ~ K(A) RXYP ~ K
RSXYP ~ L
RXY(Q) ~ M —
Sensor name
R22 model R407C model R410A model
Malfunction
code Electronic
symbol
Upper limit
value
Lower limit
value
Electronic
symbol
Upper limit
value
Lower limit
value
Electronic
symbol
Upper limit
value
Lower limit
value
Heat exchanger liquid
pipe thermistor
Th2 120
°C
–50
°C
Th2 120
°C
–50
°C
R2T 120
°C
–50
°C
C4
Heat exchanger gas
pipe thermistor
Th3 120
°C
–50
°C
Th3 120
°C
–50
°C
R3T 120
°C
–50
°C
C5
Suction air thermistor Th1 130
°C
–40
°C
Th1 130
°C
–40
°C
R1T 130
°C
–40
°C
C9
Discharge air
thermistor
Th4 130
°C
–40
°C
Th4 130
°C
–40
°C
R4T 130
°C
–40
°C
CA
Remote controller
thermistor for suction
air
Th 130
°C
–40
°C
Th 130
°C
–40
°C
R1T 130
°C
–40
°C
CJ
Applicable models G ~ KA type P ~ K type Q ~ M type —