7
FAN COIL ROOM THERMOSTAT
CH130ARR2
2 - ELECTRICAL CONNECTION
For further information regarding connection of the thermostat-actuator-fan coil system, refer to the connection diagrams
in the
CH176D
unit installation manual. Electrical connections must be carried out as shown in the connection diagram.
Please note that connection of the external probe (EXP1) and input for remote control (SEL1), are subject to certain
configuration parameter settings.
Connection of auxiliary input
Connect the two auxiliary input wires to the screw terminals 1 and 2, as shown in the figure.
Connection of the external probe
Connect the two wires of the external probe to the screw terminals 3 and 4, as shown in the figure.
Connection of the actuator
Connect the power wires coming from the actuator CH172D to terminals A and B, as shown in the figure.
Flexible conductors with a max cross-section of 2.5 mm2 can fit in the terminals.