Connect the unit paying attention to the colours of the supply cable wires:
a) 230V/1/50-60Hz
b) 230V/3/50-60Hz
c) 400/3/50 Hz
We advise to install a microswitch (not supplied) on the cold room door which will:
- switch on the light in the cold room, stop the unit and
- override the temperature alarm (for about one hour after door closing) every time the door is opened.
The necessary cable is available with the unit. Connect it keeping in mind the following:
microswitch closed = door closed.
ATTENTION
Above microswitch is not supplied with the unit. If the microdoor cable is disconnected
or damaged, the same conditions will occur as in case of open door and connected
microdoor.
"B" RANGE units (B = low temperature) are supplied with a cable for door heater connection, to be made
using a fuse suitable for the door heater used.
The unit is also equipped with a cable for cold room lamp connection (lamp voltage should be 230 V and
lamp max capacity 100 Watts).
ATTENTION
Do not connect microdoor, cold room light or door heater cables to the 230V line.
Each cable is equipped with a plate showing how it should be connected.
WARNING
Any defective electrical part should be replaced by trained personnel exclusively. The
electric connection should be effected by qualified personnel.
3 wires
Yellow/Green = Ground
Brown = Phase
4 wires
Grey = Phase
Yellow/Green = Ground
Brown = Phase
Black = Phase
5 wires
Blue = Neutral
Yellow/Green = Ground
Brown = Phase
Grey = Phase
Black = Phase
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