CALEFFI Z-one ZVR10 Series Manual page 23

Maintenance and Repair: The
comes with two spare fuses. If control fails or is damaged, replace control with
functional one.
Boiler connections:
XX = Dry contacts rated up to 120 VAC, 2 Amps.
Closes when any zone calls including priority. Typically
connected to TT on boiler control.
DHW (ZR/ZC) = Dry contacts rated up to 120 VAC, 2
Amps. Closes only when priority is enabled and calling.
DHW
R W
Typically used to close ZR\ZC (120 VAC) or DHW contacts (24 VAC) on boiler
ZR/ZC
T T COM
controls equipped with these features.
T-STAT 1
Communication connections:
Connect terminals to matching terminal of slave boards
D to D, P to P, Ground to Ground
R W C R W C R
T T COM T T COM T
T-STAT 3 T-STAT 4 T-STAT 5
Input Power:
TRANSFORMER
L = Line (hot leg) of 120 VAC supply
N = Neutral of 120 VAC
= Ground
DipSwitches
Note: when connecting 2 or more Z-one controls, all
6 Zone
Master
controls must be powered by the same 120 VAC circuit.
Priority OFF
Primary OFF
Exercise OFF
ZSR106
Post Purge OFF
Zone pump outputs:
Zone pumps run when
GROUNDS
POWER IN
corresponding thermostat
N
initiates a demand.
GROUND = Connect the
ground from the pump to the
ground terminal.
PRIORITY PUMP = Runs when zone #1 calls. Can be programmed to be the
PUMP 3 PUMP 4
priority zone.
N L N L N
L = Line (hot leg) of 120 VAC to power the pump
N = Neutral leg of 120 VAC to power the pump
DHW
Caleffi Z-one™ multi-zone pump control
X X
ZR/ZC
TRANSFORMER
TRANSFORMER
C R W C R W C
T T COM T T COM
T-STAT 2 T-STAT 3
POWER IN
L N
W C R W C
T COM T T COM
GROUNDS
POWER IN
T-STAT 6
L N
6 Zone
ZSR106
Slave
Priority ON
Primary ON
Exercise ON
Post Purge ON
PRIORITY
PUMP 1 PUMP 2 PUMP 3
L N L
L N
PRIMARY
PUMP
PUMP 5 PUMP 6
L
L N L N
R W C R W The DIP Switches on the ZSR series C R
can be positioned for the following
T T COM T T COM T
T-STAT 1 T-STAT 2 operations. T-STAT 3
Master / Slave: allows for unlimited
DHW
R
X X
expansion to additional ZSR relays.
ZR/ZC
T
Priority OFF / Priority ON: When
T-STAT 1
priority mode is ON, upon demand,
zone 1 will operate as priority and all other zones are temporarily switched off
DHW
R
X X
(with 1 hour time-out). When priority mode is OFF, all zones remain active.
6 Zone
ZR/ZC
T
Primary OFF / Primary ON: When primary mode is ON, the primary pump will
T-STAT 1
continue to operate during priority.
ZSR106
R W C R W C
Exercise OFF / Exercise ON: When exercise mode is ON, each circulator is
T T COM T T COM
switched on for 30 seconds following 72 hours of inactivity.
PRIORITY
T-STAT 4 TRANSFORMER T-STAT 5
Post Purge OFF / Post Purge ON: When post purge is ON, the priority pump
GROUNDS
PUMP 1
continues operating for 2 minutes after the priority zone is switched off.
L
Primary pump output:
TRANSFORMER
D P
PWR
PRIORITY Primary pump runs when any zone pump runs. Its status
COMMS
DipSwitches
PUMP 1 PUMP 2
during priority (on\off) can be programmed using the DIP
L N
L N
switches.
Master Slave
Priority ON
Priority OFF
ZONE1
Primary ON
Primary OFF L = Line (hot leg) of 120 VAC to power the pump
Exercise ON
Exercise OFF
Post Purge ON
Post Purge OFF
N = Neutral leg of 120 VAC to power the pump
GROUNDS
POWER IN
ZONE2
L N
ZONE3
GROUNDS
POWER IN
L N
ZONE4
PUMP 4 PUMP 5 PUMP 6
ZONE5
N L N L N L
ZONE6
N
W C R W C R W
T COM T T COM T T COM
T-STAT 4 T-STAT 5
6 Zone
W C R W C R W
ZSR106
T COM T T COM T
T-STAT 2 T-STAT 3
DipSwitches
W C R W C R W
T COM T T COM T Master T COM
Priority OFF
T-STAT 2 T-STAT 3
Primary OFF
Exercise OFF
Post Purge OFF
R W C D P
6 Zone
COMMS
T T COM
T-STAT 6
PUMP 2 PUMP 3
ZSR106
L N L N
N
6 Zone
ZSR106
PUMP 3 PUMP 4 PUMP 5
L N L N L
PRIORITY
PUMP 1
PUMP 2
L N
L N
PRIORITY
WARNING: NEVER CONNECT R & C DIRECTLY, this will be a direct short on the 24 VAC
PUMP 1 PUMP 2
supply.
L N
L N
PRIMARY
WARNING: When connecting 2 or more Z-one controls, all controls must be powered by
the same 120 VAC circuit.
PUMP
L N
N
WARNING: When replacing fuses, make sure power is disconnected to control box.
C R W C D
COMMS
T T COM
DipSwitches
T-STAT 6
Master Slave
Priority ON
Priority OFF
Primary ON
Primary OFF
C R W C R W
Exercise ON
Exercise OFF
Post Purge ON
T COM Post Purge OFF T T COM T T COM
T-STAT 4 T-STAT 5
C R W C R W C
Slave T T COM T T COM
Priority ON
T-STAT 4 T-STAT 5
Primary ON
Exercise ON
Post Purge ON
DipSwitches
PWR
Master
Priority OFF
Primary OFF
PUMP 4
PUMP 5 PUMP 6
Exercise OFF
Post Purge OFF
ZONE1
L N
L N L N
DipSwitches
Master Slave
Priority ON
Priority OFF
Primary OFF Primary ON
ZONE2
Exercise ON
Exercise OFF
PRIMARY
Post Purge ON
Post Purge OFF
PUMP 6 PUMP
L N
N L N
ZONE3
ZONE4
PUMP 3 PUMP 4 PUMP 5
L N L N L N
ZONE5
PUMP 3 PUMP 4
PUMP 5
ZONE6
L N L N L N
P
C R W
T T
T-ST
R W
T T
T-STAT
Slave
Priority ON
P
Primary ON
Exercise ON
Post Purge ON
L
PUMP 6
L N
PUMP 6
L N
15