Danfoss Optyma iCO2 Instructions Manual page 62

Instructions
Commissioning check sheet
Item 1. ~8. in the commissioning check sheet is the same as in the Design check sheet. This item (1.~8.) is omitted in this manual.
Date: / /
9. Test run (Refrigerant oil check operation)
Confirm oil check operation without
9.01
"OIL-Lo" indication on 7 segment display
Record the "Operation data check sheet"
9.02
during oil check operation.
10. Test run (Oil return operation)
10.01 Did you execute the oil return control?
Does the oil return control start when
10.02
the external input "CNS3" is connected?
Did you write down the "Operation data
10.03
check sheet" during oil return control.
11. Operation check of alarm
Disconnect the sensor to confirm if the
11.01
alarm is working.
62 | AN405821998738en-000102 - 118A5495A
Criteria
Follow the oil check operation shown in
the installation manual.
"11 Operation / 11.1 Oil check verification".
Follow the oil check operation shown in
the installation manual.
"11 Operation / 11.1 Oil check verification".
Check the setting related to oil return
control of the module controller.
SH Guard ALC_r20:2.0K
SH Start ALC_r21:4.0K
Oil ALC setpoint LBP_r22:-2.0K
Oil ALC setpoint MBP_r26:0.0K
Oil ALC setpoint HBP_r27:3.0K
EEV force low OD after oil recovery_
r25:1min
Yes/No
Did the EEV opening surely expand
during oil return control?
Did the oil return control status change?
Follow the oil check operation shown in
the installation manual.
"11 Operation / 11.1 Oil check verification".
Result
© Danfoss | Climate Solutions | 2023.02 | LCA012A024
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