9 | Maintenance
9.5 Decommissioning
Close the shut-off valves on the compressor. Drain the refrigerant (it must not be discharged into the
environment) and dispose of it according to the regulations. When the compressor is depressurised,
undo the fastening screws of the shut-off valves. Remove the compressor using an appropriate hoist.
Dispose of the oil inside in accordance with the applicable national regulations.
9.6 Additional information when using flammable refrigerants
WARNING
10 | Accessories
10.1 Capacity regulator
ATTENTION If the capacity regulator is installed at the factory, the control com-
LR 1
LR 3
Fig. 18
© Danfoss | Climate Solutions | 2023.10
• During maintenance and repair, it must be noted that hydrocarbon
and synthetic HFO refrigerants residues may dissolve in the
oil. Therefore, electrical tests must not be conducted while oil
remains in the compressor.
• If the compressor is to be removed from the system for
maintenance or repair, the remaining refrigerant must be
suctioned out and the compressor evacuated. The compressor
must then be filled with nitrogen (max. 0.5 bar) and sealed
gas-tight.
ponent (pilot valve) is subsequently installed and connected by the
customer.
LR 2
Delivery condition 1 (from the factory):
Cylinder cover prepared for capacity regulator.
Fig. 19
AQ451337713574en-000401 | 31
D
GB
F
E
I
Ru
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