MAINTENANCE INSTRUCTIONS
34
Connecting the room thermostat (Option)
Connect the wires to the terminal board inside the instrument panel as follows:
a.
switch off the power supply at the main switch.
b.
remove the front case panel of the boiler.
c.
slacken the screws and remove plate A (see fig.1).
d.
remove jumper TA -TA from the terminal board B;
e.
connect the room thermostat/chronostat wires;
When the wires have been connected, place plate “
A
" back to position and then the front case panel.
Connecting the outside temperature sensor (Option)
Connect the wires to the terminal board inside the instrument panel as follows:
a.
switch off the power supply at the main switch.
b.
remove the front case panel of the boiler.
c.
slacken the screws and remove plate A (see fig.1).
d.
connect the outside temperature sensor on contacts marked as SE-SE on the terminal board B ;
When the wires have been connected, place plate “
A
" back to position and then the front case panel.
Ta
B
L
N
Ta
Se
Se
1
M1
2
A
Outside
temperature sensor
Room thermostat
Fig. 1
