Outdoor Unit: Abnormal Discharge Pipe Temperature - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 143 Monday, November 6, 2000 4:13 PM
SiE-05C

3.18 Outdoor Unit: Abnormal Discharge Pipe Temperature

F F F F 3 3 3 3
Remote Controller
Display
Supposed Causes
Troubleshooting
Troubleshooting Inverter K Series
Abnormal discharge pipe temperature
Defect of discharge pipe thermistor (5K: R3T 8K, 10K: R3-1T, R3-2T)
Defect of outdoor unit PC board
Discharge pipe thermistor wrong connection
Liquid injection solenoid valve wrong connection
Discharge pipe
YES
temperature is 135˚C
or higher.
NO
discharge pipe thermistor?
R3-1T (inverter side)
connection of the injection
solenoid valves Y3S and
Are
the characteristics
of the discharge pipe
thermistor normal?
NO
·5K: R3T
·8, 10K: R3-1T, R3-2T
(For the characteristics
table, refer
to P293.)
YES
8, 10K:
Is there a wrong
connection of the
YES
X17A
R3-2T (standard
side) X18A
NO
8, 10K:
Is there a wrong
YES
Connect correctly and turn on again.
Y4S?
NO
Out of gas, compression defect, etc.
Defect of the refrigerant system
Replace the discharge pipe thermistor.
Replace outdoor unit PC board A1P.
: http://splitoff.ru/tehn-doc.html
Troubleshooting
(VF044)
143