CALEFFI Z-one ZVR10 Series Manual page 16

A2 - Multiple thermostats
Hydronic diagram is for illustration purposes only and could be missing system components.
R W C
T com
T
power
zone
transformer CalefÞ!
single zone relay
RELAY 1 RELAY 2
N L L
C N/O N/C C N/O N/C
N
L
End switch wires
R W
R
W
24 VAC
T
T
R W
8