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User Guide | Optyma™ iCO2
1.2. Time chart
During ordinary operation
Operation
Signal
Stop
ON
52X
OFF
ON
Gas cooler fan 1, 2
OFF
SVHG1
ON
Solenoid valve for
hot gas bypass
OFF
SV-INJ1
ON
Solenoid valve for
middle pressure suction
OFF
SV-OIL1-2
ON
Solenoid valve for
oil return
OFF
EEVG
EEV for middle pressure
receiver inlet
EEV-SC
EEV for subcooling coil
EEV-LB1
EEV for liquid bypass
Compressor speed
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
Start condition established.
HP control
5 sec
60 sec
Stop aperture (full open)
45 sec
0 pulse
0 rps
Ordinary control
6 sec
Oil level switch (OLS1-2)
ON at low oil level
Ordinary control
Initial aperture
120 sec
Ordinary control
Initial aperture
105 sec
Controlled at, or above, the
specified value of discharge
temperature.
Initial speed 40 rps
Ordinary control
105 sec
Restart conditions established.
Low pressure cut
Ordinary control
30 sec
Stop aperture (full open)
45 sec
0 pulse
0 rps
3 min.
BC408445719305en-000101 | 13
60 sec
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