Immergas CRONO 7 Instruction And Warning Book page 8

3) To make the electrical connections (fig. 4) do not operate
when the boiler is live. The connection must be made at
the clamps envisioned for the connection to the room
thermostat. The jumper on clamps 40 and 41 of the boiler
P.C.B. (if present) must also be eliminated.
Note: refer to the electrical connections stated in the boiler
instruction book.
The connection to the boiler is made using two wires (fig.
5) with minimum section of 0.50 mm
1.5 mm .
2
N.B: for correct installation prepare a dedicated line
for the connection of the CRONO 7 according to the
Standards in force regarding electrical systems. If this is not
possible interference due to other electric cables could cause
malfunctioning of the CRONO 7 remote control itself.
4) Insert 2 1.5V AA batteries (not supplied) into the relevant
housing (fig. 3).
5) Fix the body of the CRONO 7 remote control to the support
template, engaging it with pressure and using the two screws
provided (Fig. 3).
8
Fig. 4
Connect the CRONO 7 to the boiler
and maximum of
2
clamps envisioned at the connection
with the room thermostat (see boiler
instruction book).
CRONO 7
Telephone control
(optional)
BOILER
There is no need to respect
the polarity of the connection
between CRONO 7 and boiler.
Fig. 5