27
Installation instructions
ENGLISH
ATTENTION:
The 230 V cables must run far apart from 24V
cables.
Danger!
Only a qualied technician may perform the
electrical installation.
Electrical connection to the main power sup-
ply.
This connection must be made up to standard, as
required by regulations in force.
Remember that a bipolar switch must be installed
on the boiler power line with over 3 mm between
contacts, easy to access, making maintenance
quick and safe.
Electric power supply connection
The power supply of the boiler, single-phase 230
V - 50 Hz, must be made with H05VV-F type
three-pole cable
(PHASE - NEUTRAL - EARTH)
with 0.75 mm section up to 1.5 mm.
ATTENTION!
Respect the PHASE and NEUTRAL polarity
since ame detection is Phase Sensitive.
- Make the power supply connection on the “D” plug, sup-
plied with the boiler.
N.B. 24 V - 230 V output - Keep the 2 voltages separate