40
18.01._5280107_02
NRL 0280-0750 °-L / A-E
EN
ELECTRONIC CONTROL (
pCO5)
START-UP
CIRCULATING PUMP
1.
Turn the unit on (ON)
2. Start Pump
3.
Control water fl ow rate (20 seconds):
Flow switch or pressure switch (if provided)
4.
Whenever alarms do not occur, the compressor
starts.
ANTI-FREEZE ALARM
Reference parameters:
Compressor
BLOCK - OFF
ON
Temperature
3°C <
> 3°C
Max operati ons
n° 2
-
Cod. Anti -freeze alarm
See User Manual
Restart
Manual
Electi cal Heater
OFF
ON
Temperature
> 5°C
4°C <
Circulati ng Pump
OFF
ON
Temperature
> 5°C
4°C <
Only for pure water (not added with glycol)
WATER FLOW ALARM
If the water fl ow rate is not suffi cient, this safety stops
the compressors and the pump
Water
Pump
BLOCCK - OFF
ON
Flow Switch
or
Pressure Switch (if provided)
Water fl ow rate
is not suffi cient
>20 seconds
-
Compressor does not work
Cod. Alarm
See User Manual
-
Water fl ow rate
is suffi cient
-
>20 seconds
Start Compressor
11.
ELECTRONIC CONTROL(PCO
5
)
