Danfoss Optyma iCO2 Instructions Manual page 27

Instructions
Code
Data display contents
No.
C36 Relay output
C37 Relay output
C38 Relay output
C39 Relay output
C40 Relay output/external output
C41 External output
(*1) 7 segment display of C24, C25 indicates 10 min
(*2) When the pulse input is set, 0 and 1 are switched if it changes Open→Short.
(*3) 0: OLS OFF (No oil), 1: OLS ON (With oil)
<Unit information>
C44 Compressor total operation time (CM1)
C46 Medium pressure saturation temp.
C47 Suction pressure saturation temp.
C48 Subcooling coil temp. sensor 1 saturation pressure
C49 Suction superheat degree 1
C51 Subcooling coil superheat degree
C52 Under-dome superheat degree 1
Compressor total operation time after previous
C54
maintenance (CM1)
C61 Demand rate display
(*1) 7 segment display of C44, C54 indicates 100 h/count.
<Control status>
C66 Control status
C67 Protective control status
C68 Cause of compressor stop
C73 Cause of compressor error detection 1
C74 Cause of compressor error detection 2
C75 Cause of compressor error detection 3
© Danfoss | Climate Solutions | 2023.02 | LCA012A024
Data
display Min. unit
range
0, 1
(0: Open
1: Short)
0, 1
(0: Open
1: Short)
0, 1
(0: Open
1: Short)
0, 1
(0: Open
1: Short)
0, 1
(0: Open
1: Short)
0, 1
(0: Open
1: Short)
-1
/count.
0~655
1(100h)
(*1)
-50~30 0.1°C
-50~30 0.1°C
0~8.5 0.1 bar
0~50 0.1deg
0~50 0.1deg
0~50 0.1deg
0~655
1(100h)
(*1)
0~100
0~127
0~127
0~127
0~127
0~127
0~127
100's place: Crankcase heater 1
10's place: Spare
1's place: Spare
100's place: Cooling fan
10's place: Ventilation fan
1's place: Spare
100's place: SVHG1
10's place: Spare
1's place: SV-INJ1
100's place: Spare
10's place: Spare
1's place: SV-OIL1-2
100's place: Spare
10's place: Spare
1's place: External output (CNZ1)
100's place: External output (CNZ2)
10's place: Operation output (CNH)
1's place: Error output (CNY)
In the unit of 1°C in the range beyond display (-10°C
or under)
In the unit of 1°C in the range beyond display (-10°C
or under)
1%
1 Digital→Analog display
1 Digital→Analog display
1
Displays No. of error detection, which occurred
most frequently, out of error detections occurred
after turning power on and starting operation.
1
This is retained in EEPROM memory till the cause of
compressor stop by first error occurs after turning
power on.
Displays No. of error detection, which occurred at
second place frequently, out of error detections
occurred after turning power on and starting
1 operation.
This is retained in EEPROM memory till the cause of
compressor stop by first error occurs after turning
power on.
Displays No. of error detection, which occurred
at third place frequently, out of error detections
occurred after turning power on and starting
1 operation.
This is retained in EEPROM memory till the cause of
compressor stop by first error occurs after turning
power on.
118A5495A - AN405821998738en-000102 | 27
Remarks