Technical data

n
After around 15 minutes of operation, check
that no air bubbles are visible through the sight
glass on the fluid line.
If air bubbles are visible, the unit has lost
part of its charge through one or more
leaks. The leaks must be eliminated refer
to Section 7.
n
Repeat the starting procedure after
eliminating the leaks.
n
Where the compressor is provided with a sight
glass, check that the oil level is correct.
5.4 Performance Check
Check the following:
n
Evaporator inlet water temperature.
n Evaporator outlet water temperature.
n
Evaporator outlet water flow rate.
n Compressor current at startup and stable
operating conditions.
Check the saturated evaporation and
condensation temperatures during operation at
high and low pressure by connecting gauges to the
schreader valves on the high and low pressure
refrigerant circuits.
High pressure side Approximately10 to 12
o
C
above condenser water
inlet temperature.
Low pressure side Approximately 5 to 7
o
C
below chilled water outlet
temperature.
5.5 Customer Handover
n
Familiarise the user with the machine
operating instructions in section 6.
5-2 035B40022-000