36
/
40
Super Snow
11.Check and adjust CPR(only suitable for unit with CPR)
Commissioning: CPR adjust
□
The CPR (Compressor Regulation) valve is a device
designed to regulate the flow of refrigerant returning to the
compressor from the evaporator, this ensures correct
capacity for the unit.
□
The Compressor Regulation valve also reduces the load
on the compressor during start-up & whilst in operation
which is why it is important it is correctly set-up on
commissioning.
□ Adjustment has to be done:
■
Road operation
■
Heat or defrost mode
■
Compressor speed at 2400 rpm
