Electric Controls; Control Panel; Checks, Regulations And Adjustments - Techno Block UT 1 Notice De Mode D'emploi Et D'entretien

Prospective short-circuit current (Ik)
provided that no protective device against overcurrent has been installed on the circuit.
Peak value:
max value of prospective short-circuit current
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.
ATTENTION: ONLY FOR UT Inverter
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.
Circuit breaker with Id=30 mA can cause not required intervention. It can be use circuit
breakers with Id=300, B type or circuit breaker with Id and time adjustable
If a cold room includes more units, each unit shall be provided with its own safety device.
WARNING
Any defective electrical part should be replaced by trained personnel exclusively.
The electric connection should be effected by qualified personnel.

8 Electric controls

8.1 Control panel

The UT units are equipped with different control panels according to model and operating functions.
WARNING
The UT range with Inverter are equipped with a dedicated control , described in the
attached documentation.
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Checks, regulations and adjustments

: current which would flow in case of failure due to negligible impedance,
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
Before turning the unit on, check that:
- locking screws are tight
- electrical connections have been carried out correctly.
In the event that the unit has been opened:
- no tools were left inside
- assembly is correct
3 wires Blue = Neutral
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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