Daikin LXE10E-A Service Manual page 202

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6.3 Set point temperature and control sensor
When the set point temperature (referred to as SP hereafter) is –10.1˚C(+13.8˚F) or lower, the
compressor is operated ON and OFF, in response to return air temperature.
6.4 Control
qWhen the control temperature reaches SP-0.5˚C (point A),
the compressor and condenser fan are turned off after the
liquid solenoid valve has been de-energized and the pump
down operation has been completed.
wWhen the control temperature exceeds SP+0.5˚C, the compressor,
liquid solenoid valve and condenser fan are turned on.
However, the compressor runs for at least 2 minutes every
time once it is turned on. Even if the control temperature
becomes SP-0.5˚C or lower (point C) within 2 minutes after
the compressor is turned on, the compressor, condenser fan
and liquid solenoid valve are not turned off. (2 minutes
compressor forced operation)
EV:Elec.Exp.Valve
LSV:Liquid Solenoid Valve
DSV:Defrost Solenoid Valve
ESV:Economizer Solenoid Valve
DPR:Discharge pressure regulator
SMV:Suction Modulation Valve
EV
Receiver
FROZEN (Return air < 5˚C)
HSV:Hot Gas Solenoid Valve
ISV:Injection Solenoid Valve
BSV:Discharge gas Bypass Solenoid Valve
LPT:Low Pressure Transducer
HPT:High Pressure Transducer
HPS:High Pressure Switch
8-19
−10℃
SP＋0.5℃
SP
A
SP−0.5℃
SP−1.0℃
SP−1.5℃
C