Install Instructions

5
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
M
1
2
3
Wiring a 2 wire zone valve to Cale Z-one Relay
Since a two wire actuator does not have an end switch for feedback
to the relay box, the end switch terminals must have a jumper to
simulate the end swith. If the end switch jumper is not installed, no
demand will be sent to the boiler and the pumps will not turn on
.
Wiring a 3 wire zone valve to Cale Z-one Relay
The Taco 570 zone valve presents a unique wiring challenge. When
connecting the Taco 570 zone valve to the Caleffi Z-one Relay, the
wiring of this valve can only be done in one way. The left motor
terminal on the ZVR series control must be connected to terminal
2 on the zone valve. The right motor terminal must be connected
to terminal 1 on the zone valve. Lastly, the left end switch terminal
must be connected to terminal 3 on the zone valve. Failure to
follow schematic will lead to damage of product.
Wiring of 2 wire or 3 zone valve to Cale Z-one Relay