10
R W C
T
T com
power
zone
transformer
N LL
RELAY 1
C N/O N/C C N/O N/C
RELAY 2
CalefÞ
!
single zone relay
4-wire zone valve
4-wire zone valve
4-wire zone valve
R W
24 VAC
T
T
R W
R W
End switch wires
L
N
A2 - Multiple thermostats
Hydronic diagram is for illustration purposes only and could be missing system components.
Summary of Contents for Z-one ZSR103
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