24
M
Instructions for the installer
- (Y2 - 9 and terminal board M2) a
ft
er removing the jumper.
(*) Optional
Electrical supply connection
Connection TA (*)
Danger!
Electrical installation must only be carried out by an
authorised
engineer
.
Before setting up the connections or any operation on
the electrical parts, always cut-o
ff
the electrical supply
and make sure it cannot be accidentally re-connected.
Electrical connection to the mains power supply.
Thi
s connection must be set up by state of the art, as
envisioned by regulations in force.
Remember that it is necessary to install a bipolar switch
on the electrical supply to the boiler with a max distance
between the contacts of 3 mm, easy to access, so that
maintenance operations can be carried out quickly
and safely.
ATTENTION!
Th
e power supply cables must be sized according to
the power of the boiler, thus the absorbed current, as
per regulations.
Refer to Chap. 4.5 regarding the amperometric
flo
w
rates indicated for each model of ARES PRO (main
protection fuses).
3 X 0.75, is the minimum section to use on ARES PRO
150 / 230 / 300 boilers.
ATTENTION!
Respect the PHASE and NEUTRAL polarity since
fl
ame
detection is Phase Sensitive.
ATTENTION:
Cables carrying a voltage of 230 V must travel separately
from cables carrying a voltage of 24 V.
Summary of Contents for ARES Pro 150
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