Manual Code 2600201
DOMIX45 – Rev.06 - 02.09.2014
13/32
Check that the voltage and frequency correspond to those shown on the unit data
tag. Make sure that the electrical installation complies with the local electrical
connection and safety regulations.
Connect to the proper power supply using the supplied flying socket, fitted with a three
core cable min. section 3x1,5mm². An external switch is helpful.
For the eventual pump remote control, use the supplied flying socket to connect the
remote control switch of the pump(s). The use of such a pump is necessary when one of
the two inlet pressures is less than 1 bar, for example when using unpressurized water
heaters or refrigerators.
NOTICE: in the case of water chiller equipped with a surge tank with pressure switch, this
must be by-passed and the pump must be controlled directly by the Doser, through a
power relay.
The pump command plug on the device has the following wiring diagram (clean contact,
digital output, no tension output):
Fig. 5 (pump control wiring diagram)
This is a normally open (NO) clean contact that closes when the unit requires chilled
water. So it doesn’t supply any tension.
It is recommended to use it to cut phases with current not higher than the amperage
indicated in the figure.
The equipment is fitted with an auxiliary precision electronic thermometer with a mobile
probe (5), usable at distances up to 5 metres.
Temperature readout on the display is continuous (10), except when the program number
appears.
The machine is also equipped with a complete diagnostics system, which allows to quickly
identify any improper installation or breakage, by means of a description of the fault on
the display.
