24
ENGLISH
- close the door and turn the control panel outwards;
- Lift the upper panel (4) and insert the external connec-
tion cables into the preset cable glands (5);
5
4
- Make the electrical connections as shown in the follow-
ing diagrams;
TA TA OT OT 0 10 P P S S SE SE
TA
MO1
A
B
A
B
+
MO2
MG
MD
L
⏚
N
230 V - 50 Hz
MO3
Connections to be provided by installer
PE
Earth/ground
N
Neutral
L
Live
TA
Room thermostat
MG
Managing/Zone Modbus
MD
Modbus Depending
NOTE
The room thermostat connection must be dry (no
voltage).
- on completion of the electrical connections, replace all
removed components in the opposite order.
b
The following is mandatory:
- The use of an omnipolar magnetothermic switch, line
disconnecting switch in compliance with CEI-EN stand-
ards (contact opening of at least 3 mm)
- Respect the connection L (line) - N (neutral). Keep the
earth conductor 2 cm longer than the power supply
conductors
- Use cables with a section greater than or equal to 1.5
mm
2
, complete with cable terminal caps
- Refer to the wiring diagrams in this manual for all elec-
tric operations
- Connect the equipment to an effective earthing system.
a
It is strictly forbidden to use pipes of any kind to ground
the appliance.
a
It is prohibited to lay power supply and room/heat de-
mand thermostat cables near hot surfaces (delivery
pipes). If they may come into contact with parts that have
a temperature of over 50°C, use a suitable type of cable.
The manufacturer is not responsible for any damage
caused by failure to earth connect the device and failure to
comply with what is indicated in the wiring diagrams.