28
6 Zone
ZVR106
T-STAT 2
C
R
W
T
T COM
COMMS
D
P
DHW
ZR/ZC
X X
T-STAT 3
C
R
W
T
T COM
T-STAT 1
C
R
W
T
T COM
L
POWER IN
N
T-STAT 4
C
R
W
T
T COM
T-STAT 5
C
R
W
T
T COM
T-STAT 6
C
R
W
T
T COM
PWR
TSAT1 ZONE1
TSAT2 ZONE2
TSAT3 ZONE3
TSAT4 ZONE4
TSAT5 ZONE5
TSAT6 ZONE6
L
PRIORITY
PUMP
N
L
SEC PUMP
N
STATUS
DURING
PRIORITY
ZONE 1
END
SWITCH
MOTOR
PRIORITY
ZONE 2
END
SWITCH
MOTOR
ZONE 3
END
SWITCH
MOTOR
ZONE 4
END
SWITCH
MOTOR
ZONE 5
END
SWITCH
MOTOR
ZONE 6
END
SWITCH
MOTOR
ON OFF
ON OFF
L
SYSTEM
PUMP
N
MASTER SLAVE
L
N
PRIORITY
!
pump
SECONDARY
!
pump
ZV4
ZV3
ZV2
ZV5
ZV6
ZV4
ZV3
ZV2
ZV5
ZV6
PRIORITY
!
pump
SECONDARY
!
pump
mod/con
!
boiler
DHW
!
AQUASTAT
SYSTEM
!
pump
SYSTEM
!
pump
Buffer tank- Optional hydraulic
separator
DHW
!
aquastat
C2 - Mod/Con boiler, priority indirect DHW on primary side of hydro sep, zone valves
Hydronic diagram is for illustration purposes only, some components have been removed for simplicity.