Installation Guide

59
Zone Valve Control with 1 Low Temperature Zone Using Priority Zoning Circulator
BOILER
H
N
SYSTEM
PUMP
SYSTEM PUMP AND BOILER TURN ON WHEN ANY ZONE VALVE OPENS.
1 2 3 4
ZONE 1
1 2 3 4
ZONE 2
1 2 3 4
ZONE 3
1 2 3 4
ZONE 4
1 2 3 4
ZONE 5
1 2 3 4
ZONE 6
PRIORITY
ZONE
TACO
3 WIRE
ZONE VALVE
1
2
3
JUMPER
3 & 4
MOTOR END
SWITCH
4 WIRE ZONE VALVE
(POWER OPEN,
SELF CLOSING)
JUMPER
3 & 4
ZVC 406 – 4
SIX ZONE
ZONE VALVE CONTROL
24 VAC
FACTORY
INSTALLED
TRANSFORMER
120 VAC
INPUT
WHITE
BLACK
POWER IN
24 VAC
24 VAC
FACTORY
INSTALLED
TRANSFORMER
120 VAC
INPUT
WHITE
BLACK
DRY
CONTACTS
N/O
COM
N/C
PUMP END
SWITCH
ZONE 6 PUMP
END SWITCH
THERMOSTATS (24VAC)
T STAT 1
VALVE 1
T STAT 2
VALVE 2
T STAT 3
VALVE 3
T STAT 4
VALVE 4 VALVE 5
T STAT 6
VALVE 6
POWER
LED
INDICATORS
T STAT 5
TO: BOILER AQUASTAT RELAY
ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 ZONE 6
ISOLATED
X X
END SWITCH THERMOSTATS (24 VAC)
PRIORITY
24 VAC ZONE VALVES
PRIORITY
X X
ZONE 6
PRIORITY
OFF
ON
NOTE 2: When a circulator
is used on the priority zone
instead of a zone valve, jumper 3 and 4 of the priority zone.
FUSE
5 AMP
R W
INDIRECT WATER HEATER AQUASTAT OR THERMOSTAT
See NOTE 1
R W R W R WC C C
R W C
C
FUSE
5 AMP
R W
C
NOTE 1: Terminals C are for optional 24V thermostat COMMON connections.
Powered from Transformer A Powered from Transformer B
A
B
Powered from Transformer A Powered from Transformer B
T T T
PRIORITY
ON
P
PRIORITY POWER IN
H
(on)
MASTE
R
CIRC.
ON
R W X X R C
THERMO-
STAT
END
SWITCH
24 VAC
POWER
N
PRIORITY ZONING
CIRCULATOR
MOTOR END
SWITCH
4 WIRE ZONE VALVE
(POWER OPEN,
SELF CLOSING)
120 VAC
INPUT