23
INSTALLATION
− Make the electrical connections as shown in the following
diagrams;
TA
N L1
230V~50Hz
NPB PEPB L1PB NPI PEPI L1PI 2TB 1TB CTB TA TA PE N
L1
MO1
Connections to be provided by installer
PE Earth/ground
N Neutral
L3 Live
TA
Room thermostat
9
Remove the jumper (TA-TA) before connecting a room
thermostat.
NOTE The room thermostat connection must be dry (no
voltage).
− on completion of the electrical connections, replace all
removed components in the opposite order.
Refer to the manual provided with the storage cylinder electrical
interface kit for details of the storage cylinder's electrical
connections (see the Catalogue).
9
The following is mandatory:
− The use of an omnipolar magnetothermic switch,
line disconnecting switch in compliance with CEI-EN
standards (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 electric
operations
− Connect the equipment to an effective earthing system.
0
It is strictly forbidden to use water pipes to ground the
appliance.
0
It is prohibited to pass the power supply and room
thermostat cables near hot surfaces (delivery pipes). If
contact is possible with parts that have temperatures above
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.
