Caleffi North America, Inc.
3883 West Milwaukee Road
Milwaukee, WI 53208
T: 414.238.2360 F: 414.238.2366
CALEFFI
6 Zone
Z6P
THM 2
C
R
W
T
T COM
COMMS
D
P
DHW
ZR/ZC
X X
THM 3
C
R
W
T
T COM
THM 1
C
R
W
T
T COM
L
PUMP 2
N
PRIMARY
PUMP
L
PRIORITY
PUMP 1
N
L
POWER IN
N
GROUNDS
L
PUMP 3
N
TRANSFORMER
12/20VA
L
N
THM 4
C
R
W
T
T COM
L
PUMP 4
N
L
PUMP 5
N
L
PUMP 6
N
THM 5
C
R
W
T
T COM
THM 6
C
R
W
T
T COM
PWR
ZONE1
ZONE2
ZONE3
ZONE4
ZONE5
ZONE6
DipSwitches
Master
Slave
Priority OFF
Priority ON
Primary OFF
Primary ON
Exercise OFF
Exercise ON
Post Purge OFF
Post Purge ON
6 Zone
Z6P
THM 2
C
R
W
T
T COM
COMMS
D
P
DHW
ZR/ZC
X X
THM 3
C
R
W
T
T COM
THM 1
C
R
W
T
T COM
L
PUMP 2
N
PRIMARY
PUMP
L
PRIORITY
PUMP 1
N
L
POWER IN
N
GROUNDS
L
PUMP 3
N
TRANSFORMER
12/20VA
L
N
THM 4
C
R
W
T
T COM
L
PUMP 4
N
L
PUMP 5
N
L
PUMP 6
N
THM 5
C
R
W
T
T COM
THM 6
C
R
W
T
T COM
PWR
ZONE1
ZONE2
ZONE3
ZONE4
ZONE5
ZONE6
DipSwitches
Master
Slave
Priority OFF
Priority ON
Primary OFF
Primary ON
Exercise OFF
Exercise ON
Post Purge OFF
Post Purge ON
VENT
high flow
resistance heat
source
temperature!
sensor!
(in well)
to / from zone loads
L N G
C1
C2
C3
C4
space heating thermostats
ZSR106
L N G
C7
C8
C9
C10
space heating thermostats
ZSR106
C5
C6
C11
C12
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
PRIMARY!
PUMP
ModCon boiler with
primary/secondary and
zone expansion