User Guide

Example Wiring Diagram
VENT
C1
C2
C3
C4
space heating thermostats
PRIMARY
PUMP
C1
C2
C3
C4
PRIMARY
PUMP
L
PUMP 2
N
PRIMARY
PUMP
L
PRIORITY
PUMP 1
N
L
POWER IN
N
GROUNDS
L
PUMP 3
N
TRANSFORMER
L
N
L
PUMP 4
N
POWER
ZONE1
ZONE2
ZONE3
ZONE4
T-STAT 2
C
R
W
TTCOM
COMMS
D
P
ZONE 1
E / S
XX
T-STAT 3
C
R
W
T T COM
T-STAT 1
C
R
W
TTCOM
T-STAT 4
C
R
W
T T COM
AUX
4 Zone
ZSR104
MASTER
PRIORITY ON
REMOTE ENABLE ON
EXERCISE ON
POST PURGE ZONE#1 ON
SLAVE
OFF
OFF
OFF
OFF
REMOTE ENABLE
24 - 120 VAC
L
N





STATUS
DURING
PRIORITY
L
N
ModCon boiler
with primary/secondary
Please reference Z-one™ Relay wiring guide for complete listing of wiring diagrams.