300546US-10-14
Wall Installation
1)
Open the front panel of the chronothermostat.
CAUTION! Make sure to cut-out the voltage to the
electrical system before proceeding beyond this point.
1
2)
After loosening the 2 screws, remove the lid
of internal box (S), as shown in the figure at the
side. Next pass the boiler contact cables through
the slot (S1).
Connect the power cables to the terminal in posi-
tions 'NO' and 'C', as indicated at the bottom of
the lid (See the 'Wiring diagram' on pg. 13 for
further instructions). Lastly, put the lid back on to
close the box and then tighten the screws.
A
*
(box-mounted)
B
*
(wall mounted)
[11]
S1
3
S1
For help see 'NAVIGATION MAP' on pg. 22
CHRONOTHERMOSTAT
2
x2
UNSCREW
3)
Place the device against the wall,
and secure it as shown (3).
The possible options are as follows:
3
3
3
3
S
1
• with 2 screws in cor-
respondence to the
503E electrical box
(*A)
• with 2 screw anchors
on the wall
(*B)