Connecting The Unit; Electric Connection; Electrical Control - Zanotti ZN Serie Manual De Uso

7 Connecting the unit

ATTENTI ON
Before connecting the unit m ake sure that m ains voltage and frequency
the values show n in the data plate. Voltage tolerance: +/ - 10% com pared to nom inal
value.
7.1

Electric connection

Connect the unit after checking the panel components.
ATTENTI ON
Connection to the electric line shall be effected applying
circuit breaker or a ground fault interrupter) selected by the installer on the basis of the
line involved and of the absorption indicated on the unit plate.
If a cold room includes more units, each unit shall be provided with its own safety device.
Connect the unit paying attention to the colours of the supply cable wires:
W ARN I NG
Any defective electrical part should be replaced by trained personnel ex clusively.
The electric connection should be effected by qualified personnel.

8 Electrical control

a) 230V/1/50-60Hz
b) 230V/3/50-60Hz
c) 400/3/50 Hz
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
Black = Phase
Grey = Phase
correspond to
a suitable safety device (a
24