17
Electric connections
CH130R
V p. supply
E.V. A
V p. supply
E.V. B
Motor
230 Vca
Connecting several actuators with a ther-
mostat
A CH130AR is able to control up to
fi
ve fan-
coils at the same time, by making use of only
two cables to get connected with the actuators.
One of such actuators shall be a CH172D,
whereas the others (four at most) shall be
CH172DS.
The units shall be connected in accordance
with the diagram below:
CH130AR
CH172DS
CH172DS
CH172DS
CH172DS
CH172D
A B
A B
A B
B A
B A
B A
