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We reserve the right to make changes without any prior notice.
Translation from original instructions
6.2 First starting
In all the units pre-set for a remote condenser, make sure the correct electrical connection has been made
and that the switch is in the "ON" position.
In all units pre-set for a water connection, make sure there is water and that it can circulate properly.
So that the unit can operate, the external OK signal device must be closed (refer to the wiring diagram provided with the
unit).
The external OK signal device must be short-circuited if not needed for system requirements.
Start the unit by acting on the user interface of the control.
The first device to start up is either the single air supply fan or all of them. Subsequently, in relation to the temperature and
humidity of the return air, the compressors and / or heating elements and the humidifier (if present) may start up.
After a few hours of operation of the compressors, check that the liquid sight glass has a green ring: if it is yellow, there is
moisture in the circuit. In this case, the circuit must be dried by qualified authorised personnel.
Check that bubbles do not appear at the liquid sight glass. The continuous passage of bubbles can indicate there is insuffi
-
cient refrigerant and it needs to be topped up. However, the presence of a few bubbles is allowed.
It is mandatory to keep a register for the unit (not supplied), which allows you to keep track of the work carried out on the
unit. This will make it easier to appropriately organize the work to facilitate the checks and the prevention of malfunctions.
State the following in the register: the type of refrigerant, the date and type of work done (routine maintenance or repair),
description of the work with any parts replaced, measures implemented, the operator who carried out the work and his
qualification.
