CALEFFI Z-one ZVR10 Series Manual page 26

B2 - Traditional boiler, indirect DHW w/ priority, zone pumps
Hydronic diagram is for illustration purposes only, some components have been removed for simplicity.
boiler!
high limit!
control
X X
TRANSFORMER
ZC T T
ZR
outdoor!
POWER IN
temperature! L N
sensor
L
N
DHW!
aquastat
DHW!
aquastat
DHW
R W C R W C R W C R W C R
ZR/ZC
T T COM T T COM T T COM T T COM T
THM 1 THM 2 THM 3 THM 4 THM 5
DipSwitches
6 Zone
Master
Priority OFF
Primary OFF
ZSR106
Z6P Exercise OFF
12/20VA
Post Purge OFF
PRIORITY
GROUNDS PUMP 2 PUMP 3 PUMP 4 PUMP 5
PUMP 1
L N L N L N L
L N
W C R W C D P
PWR
COMMS
T COM T T COM
THM 6
ZONE1
ZONE2
ZONE3
Slave
Priority ON
Primary ON
Exercise ON
Post Purge ON
ZONE4
ZONE5
ZONE6
PRIMARY
PUMP 6
PUMP
N L N L N
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