PENSOTTI Solenne PCH50B-H Instruction Manual page 71

Connecting the room thermostat (Option)
Connect the power supply to the terminal board located onto the control panel
as follows:
a. switch off the power supply at the main switch;
b. remove the front case panel of the boiler. (see paragraph '6.3 Accessing the boiler');
c. slacken the screws and remove plate A from the control panel (see fig. 1). With the plate removed,
proceed with the following wires connection:
•
of the outdoor temperature sensor on contacts marked as Se-Se on the terminal board "B";
•
of the room thermostat or telephone control removing the jumper Ta-Ta from the terminal board
"B" first, and then connecting the room thermostat/telephone control wires;
d. When wires have been connected, place plate "A" back to position and then the front case panel.
Connecting the included outside temperature sensor
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 ;
e. refer to the following page to set the reset curves.
When the wires have been connected, place plate "A" back to position and then the front case
panel.
MAINTENANCE INSTRUCTIONS
69