22
HED-HCAT SE FREE COOLING
ENGLISH
OPERATING LIMITS
A
I
PREPARING FOR FIRST START UP
Before starting up the condenser units,make sure that:
- All safety conditions have been respected.
-The condenser unit is adequately fixed to the surface it
rests on.
- Functional distances have been respected;
- The refrigerant connections have been carried out as in-
dicated in the instruction manual.
- The circuit has been vented;
- The refrigerant circuit valves are open;
- Electrical connections have been carried out correctly;
- The voltage is within a tolerance of 10% of the rated vol-
tage for the unit.
- The unit is correctly earthed;
- All electrical connections are tight and all refrigerant
connections have been carried out correctly.
Before starting up, power up the unit for at least
two hours by positioning QF and QS to ON, to al-
low the oil in the compressor sump to heat up.
STARTING UP FOR THE FIRST TIME (after two hours)
Before activating the condenser unit:
-
Make sure that the main remote switch QF is in the OFF position
- Remove the inspection pane
Max 32 / 23,5 50 / -
Min 20 / 14,0 -20 / -
Cooling (°C) Inside temp.BS/BU °C. Outside temp.BS/BU °C.
BS: Bulbo secco
BU: Bulbo umido
SAFETY SETTINGS
High pressure switch 28,0 23,0 manual
Opens Closes RESET
(bar) (bar)
Low pressure switch 0,7 1,7 automatic
ON
OFF
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