Daikin RTSQ10PY1, Service Manual

Page: 111 / 226

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Pe < 0.25MPa
Pe < 0.34MPa Pe < 0.39MPa
Pe < 0.15MPa
Pe < 0.07MPa
Pe > 0.29MPa
Normal operation
All STD compressors stop
Master unit: 52 Hz + OFF + OFF
Slave units: All units stop
Hot gas solenoid valve (Y1S):
ON
Restart standby
(3 times per 60 min. at maximum)
Stop due to malfunction
(E4 displayed)
Low pressure standby occurs
4 times in a period of 60 min.
Pe: Value detected by the low pressure sensor
of master unit.