28
m
WARNING
To facilitate the electrical connections, hook the panel
to a clip on the domestic hot water storage tank.
To make the connection cables enter the inside of
the built-in frame, use the designated openings pre-
arranged in the lower part of the frame (see
“Fig. 28”
on page 28
).
To make the connection cables enter the inside of
the panel, use the prearranged openings (1) (see
“Fig. 29” on page 28)
.
Inputs for the electrical
connection cables
Side
Rear
Fig. 28
The main power cable and the boiler power cable must pass
through the PG type restricting cable glands.
1
Fig. 29
2.8.3 Boiler connections
The connections to be made are:
– the electrical power connection, already connected t the
boiler, to the
Open Hybrid SMART
electrical panel.
– the external sensor (optional) and the communication cable
(OT) to the boiler terminal board.
SE
TA
6
5
4
3
Fig. 30
All connectors pre-cabled to the electrical panel are marked
with the symbol to identify the device which is to be connected
(see water circuit diagram).
2.9
Filling operations
Filling the domestic hot water storage tank
To fill the storage tank:
– Open one or more than one hot water tap
– Open the water system isolation valve
– Wait until clean water comes out and then close them
Filling the systems
To fill the systems:
– remove the two screws (1), pull the front panel (2) forwards
and release it from the top by lifting it
1
2
Fig. 31
