Instructions
34 | AN405821998738en-000102 - 118A5495A
© Danfoss | Climate Solutions | 2023.02 | LCA012A024
11. Time chart
During ordinary operation
Gas cooler fan 1, 2
5 sec
6 sec
Start condition established.
52X
Signal
0 pulse
Ordinary control
Initial aperture
105 sec
0 pulse
30 sec
Low pressure cut
Restart conditions established.
Ordinary control
60 sec
60 sec
Compressor speed
0 rps
Ordinary control
Initial speed 40 rps
105 sec
0 rps
3 min.
Stop aperture (full open)
Initial aperture
Ordinary control
45 sec
120 sec
Stop aperture (full open)
45 sec
OFF
ON
Stop
Operation
OFF
ON
OFF
ON
OFF
ON
OFF
ON
EEV-SC
EEV for subcooling coil
EEV-LB1
EEV for liquid bypass
Ordinary control
HP control
SVHG1
Solenoid valve for
hot gas bypass
SV-INJ1
Solenoid valve for
middle pressure suction
SV-OIL1-2
Solenoid valve for
oil return
EEVG
EEV for middle pressure
receiver inlet
Controlled at, or above, the
specified value of discharge
temperature.
Oil level switch (OLS1-2)
ON at low oil level
Fig. 33