CALEFFI Z-one ZVR103 User Manual

44
L
N
DHW PRIORITY
pump
SECONDARY
pump
ZV4ZV3ZV2
ZV4ZV3ZV2
DHW PRIORITY
pump
SECONDARY
pump
mod/con
boiler
DHW
AQUASTAT
SYSTEM
pump
SYSTEM
pump
DHW
aquastat
4 Zone
ZVR104
L
POWER IN
N
POWER
T-SAT
CALL
L
ZONE #1
PUMP
N
L
SEC
PUMP
N
STATUS DURING
ZONE #1 DEMAND
ZONE 1
END
SWITCH
MOTOR
ZONE 2
END
SWITCH
MOTOR
ZONE 3
END
SWITCH
MOTOR
ZONE 4
END
SWITCH
MOTOR
L
SYSTEM
PUMP
N
T-STAT 2
C
R
W
T T COM
COMMS
D
P
ZONE 1
E / S
X X
T-STAT 3
C
R
W
T T COM
T-STAT 1
C
R
W
T T COM
T-STAT 4
C
R
W
T T COM
AUX
ON
OFF
ON
OFF
VALVE
OPEN
ZONE 1
ZONE 2
ZONE 4
ZONE 3
MASTER
PUMP EXERCISE ON
PRIORITY ON
AUX ON
SLAVE
OFF
OFF
OFF
DURING PRIORITY DEMAND
NOTE: ECM seconday pump requires
power at all times and a dry contact
closure to start.
NOTE: The AUX contact status during priority demand
from Zone 1 can be changed using the dip switch.
C8 - Mod/Con boiler, indirect DHW on primary side of hydro sep, zone valves, ECM pump enable
Hydronic diagram is for illustration purposes only, some components have been removed for simplicity.

CALEFFI Z-one ZVR103 Specifications

General

Brand	CALEFFI
Model	Z-one ZVR103
Category	Control Unit
Language	English