Page 28
General Description
7.8 Electric power supply and control
system
The control compartment contains and electronic
card with keyboard and a display for working para-
meters, alarms, if any, and operating blocks.
It is complete with remote control switches and pro-
tection fuses for the motors of compressors, fans and
pumps.
7.9 Accessories
List of available accessories, provided separately, to
be mounted on site by the installer:
Water flow meter
Prevents the operation of the unit when the chilled flu-
id is insufficient. It is advisable to install a flow meter,
to ensure the correct operation of the unit.
Water filter
Filter to be mounted on the suction side of the water
heat exchanger.
Antivibrating supports (AVM)
Isolating spring supports, equipped with bolts for fas-
tening to the base. They are supplied separated from
the unit and must be mounted on site by the cus-
tomer, at his own expense.
Wire-type remote control kit
The kit includes a remote control for wall mounting,
complete with 3m-long connecting cable, and instal-
lation manual and a transformer.
For longer distances (i.e. up to 50m) you can use a
multipolar cable of minimum section (0.25mm). Con-
ductors should be connected directly and according
to the diagram with accompanies the installation in-
structions.
Remote wall terminal (200 m)
Makes it possible to check the unit through a remote
terminal, up to a maximum distance of 200 meters.
RS 485 MODBUS serial card
A communication interface makes it possible to con-
trol and manage the unit from a local station, with
RS485 connection, up to a distance of 1,000m.
It is possible to obtain the remote control and the
management, by inserting the control into the man-
agement plant of the building.
Manuale CLS-CLH1 7.2.2005 10:17 Pagina 28
