2 Exp Zone Valve Controls Connected Together With System And Dhw Pumps - Taco SR501 Wiring Manual

2 EXP Zone Valve Controls Connected Together with System and DHW Pumps

WHITE
120 VAC
INPUT
BLACK
WHITE
120 VAC
INPUT
BLACK
TO BOILER
AQUASTAT RELAY
BOILER
SYSTEM PUMP AND BOILER TURN ON WHEN ANY ZONE VALVE OPENS.
DHW PUMP TURNS ON ONLY WHEN PRIORITY ZONE CALLS.
WHITE
120 VAC
INPUT
BLACK
WHITE
120 VAC
INPUT
BLACK
SWITCH SETTINGS
Master/Slave: Master
Reset/Normal: Normal
Priority Zone: On
MASTER
24 VAC
SLAVE
1 2 3 4
POWER
EXPANSION
CONTROLS
MASTER
MODE
RESET NORMAL
24 VAC
END END
SWITCH SWITCH
N/O COM N/C
B A
ZONE 6 RELAY
PUMP BOILER
DHW SYSTEM
PUMP PUMP
SWITCH SETTINGS
Master/Slave: Slave
Reset/Normal: Normal
Priority Zone: Off
SLAVE
24 VAC
SLAVE
1 2 3 4
POWER
EXPANSION
CONTROLS
MASTER
MODE
RESET NORMAL
24 VAC
END END
SWITCH SWITCH
N/O COM N/C
B A
ZONE 6 RELAY
PUMP BOILER
DRY
CONTACTS
T T
24 VAC
PLUG-IN
CARDS
T T T T T T
ZONE 1 ZONE 2 ZONE 3
ZVC 406-EXP
SIX ZONE ZONE VALVE CONTROL
WITH OPTIONAL PRIORITY
ZONE 1 ZONE 2 ZONE 3
1 2 3 4 1 2 3 4 1 2 3 4
JUMPER
3 & 4
1
2
3
TACO
2 WIRE ZONE VALVE
3 WIRE ZONE VALVE
(NO END SWITCH)
T T
PLUG-IN
CARDS
T T T T T T
ZONE 1 ZONE 2 ZONE 3
ZVC 406-EXP
SIX ZONE ZONE VALVE CONTROL
WITH OPTIONAL PRIORITY
ZONE 1 ZONE 2 ZONE 3
1 2 3 4 1 2 3 4 1 2 3 4
JUMPER
3 & 4
1
2
3
TACO
2 WIRE
ZONE VALVE 3 WIRE
ZONE VALVE
(NO END SWITCH)
Note: When a circulator is used on the
priority zone instead of a zone valve,
jumper 3 and 4 of the priority zone.
AQUASTAT ON
A
DHW HEATER
T
ZONE 6
PRIORITY
ON
T T T T T T
OFF
ZONE 4 ZONE 5 ZONE 6
ZONE 4 ZONE 5 ZONE 6
1 2 3 4 1 2 3 4 1 2 3 4
JUMPER
3 & 4
PRIORITY
ZONE
MOTOR END
SWITCH
4 WIRE ZONE VALVE
(POWER OPEN, SELF CLOSING)
N
120 VAC
INPUT
H
T
ZONE 6
PRIORITY
ON
T T T T T T
OFF
ZONE 4 ZONE 5 ZONE 6
ZONE 4 ZONE 5 ZONE 6
1 2 3 4 1 2 3 4 1 2 3 4
JUMPER
3 & 4
PRIORITY
ZONE
MOTOR END
SWITCH
4 WIRE
ZONE VALVE
(POWER OPEN, SELF CLOSING)
T STAT 1
VALVE 1
T STAT 2
VALVE 2
T STAT 3
VALVE 3
T STAT 4
VALVE 4
T STAT 5
VALVE 5
T STAT 6
VALVE 6
POWER ON
SEE NOTE
T STAT 1
VALVE 1
T STAT 2
VALVE 2
T STAT 3
VALVE 3
T STAT 4
VALVE 4
T STAT 5
VALVE 5
T STAT 6
VALVE 6
POWER ON
SEE NOTE
37