Connection To Water System; Electric Controls; Control Panel - Zanotti AS Serie Manual De Uso

"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.
7.2 Connection to water system ( water condenser )

8 Electric controls

8.1 Control panel

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.
Connection pipes should never be smaller in diameter than those on the unit. A minimum
water pressure of 1 bar is required for correct operation of the unit.
1. Control LED (GREEN)
ON : compressor is running, unit is refrigerating.
Flashing : compressor is in start delay mode.
OFF : compressor is off, room temperature is down to set value.
2. Control LED (GREEN)
ON : evaporator fan is running.
Flashing : evaporator fan is in start delay mode.
OFF : evaporator fan is off. Defrost is in course.
3. Control LED (YELLOW)
ON : Automatic or manual defrost is in course.
4. Alarm LED (RED)
ON : alarm has been activated because of a malfunctioning sensor, or pressure
switch intervention, or cold room temperature exceeding allowed tolerances.
OFF : Unit is operating normally.
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