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User Guide | Optyma™ iCO2
8. Disassemble and reassemble method
8.1 Compressor replacement procedure
(a) Purge CO2 refrigerant
Discharge refrigerant through service valves for high and low pressure.
Front side
(b) Before dismounting compressor
1) Remove insulation jacket from the compressor
a) Disconnect harness of the oil level sensor from the connector.
As the harness for the oil level sensor passes through the insulation, disconnect the relay connector (OSL1-2)
where connected with another connectors from the control PCB. (CNTH7, CNZ on control PCB)
b) Moving aside bracket for solenoid valve (SV)
Remove the bracket for the SV from the compressor to keep the workspace.
© Danfoss | Climate Solutions | 2023.01 | LCA012A030
High Pressure
Low Pressure
Back side
BC408445719305en-000101 | 73
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