Cleaning; Connecting The Unit; Electric Connection; Connection To Water System - Techno Block LB 1 Notice De Mode D'emploi Et D'entretien

6.8 Cleaning

Clean the unit carefully. Remove any dust, foreign substances and dirt possibly deposited during
handling. Use detergents and degreasers.
ATTENTION
Solvents are not allowed.
7

Connecting the unit

ATTENTION
Before connecting the unit make sure that mains voltage and frequency correspond to
the values shown in the data plate. Voltage tolerance: +/- 10% compared to nominal
value.

7.1 Electric connection

Connect the unit after checking the panel components.
ATTENTION
Connection to the electric line shall be effected applying a suitable safety device (a
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.
Connect the unit paying attention to the colours of the supply cable wires:
We advise to install a microswitch (not supplied) on the cold room door which will: · switch on the light in
the cold room, stop compressor and evaporator fan · override the temperature alarm (for about one hour
after door closing) every time the door is opened. Should microdoor, cold room light, door heater be
necessary, carry out following connections:
Microdoor Remove the jumper between terminals of the electronic control box and connect the microdoor
cable according to the following condition: closed contact with closed door.
Cold room light Connect as shown in the wiring diagram. Cold room lamp features: 230 Volt and 100 Watt
max.
Door heater Connect as indicated by the plate on terminal board. Heater is indicated by "EP". Output
voltage: 230 Volt.
WARNING
Any defective electrical part should be replaced by trained personnel exclusively.
The electric connection should be effected by qualified personnel.
7.2

Connection to water system

a) 230V/1/50-60Hz
b) 230V/3/50-60Hz
c) 400/3/50 Hz
water condenser
(
This connection is only necessary if the unit has a water-cooled condenser. It is effected
by following the indications of the tags positioned by the inlet and outlet pipes.
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
)
Blue = Neutral
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