Pump Injection Control Connected To 2 Exp Zone Valve Controls - Taco SR501 Wiring Manual

PC705 Variable Speed Pump Injection Control Connected To 2 EXP Zone Valve Controls
OUTDOOR
GREEN/GROUND
SENSOR
RED
BLUE
PC705-2
BLACK
BOIL SUP OUT ZONE
SEN SEN SEN CONTROL
SUPPLY SENSOR
BOILER SENSOR
WHITE
120 VAC
INPUT
BLACK
WHITE
BLACK
TO BOILER
AQUASTAT RELAY
BOILER
WHITE
120 VAC
INPUT
BLACK
WHITE
BLACK
44
SWITCH SETTINGS
Master/Slave: Master
(SEE NOTE B ON PAGE 23)
Reset/Normal: Reset
SYSTEM Priority Zone: On or Off
CIRCULATOR
INJECTION
CIRCULATOR
MASTER
24 VAC
SLAVE
POWER
CONTROLS
MASTER
MODE
RESET NORMAL
24 VAC
END
SWITCH
N/O COM N/C
B
ZONE 6 RELAY
PUMP
DRY
CONTACTS
SYSTEM CIRCULATOR
(OPTIONAL LOCATION)
SWITCH SETTINGS
Master/Slave: Slave
Reset/Normal: Normal
Priority Zone: Off
SLAVE
24 VAC
SLAVE
POWER
CONTROLS
MASTER
MODE
RESET NORMAL
24 VAC
END
SWITCH
N/O COM N/C
B
ZONE 6 RELAY
PUMP
DRY
CONTACTS
T
24 VAC
PLUG-IN
CARDS
1 2 3 4
T T T T
ZONE 1 ZONE 2
EXPANSION
ZVC 406-EXP
SIX ZONE ZONE VALVE CONTROL
WITH OPTIONAL PRIORITY
ZONE 1 ZONE 2 ZONE 3
END
SWITCH
1 2 3 4 1 2 3 4 1 2 3 4
A
BOILER
JUMPER
3 & 4
1
2
3
TACO
2 WIRE ZONE VALVE
3 WIRE ZONE VALVE
(NO END SWITCH)
T
24 VAC
PLUG-IN
CARDS
1 2 3 4
T T T T
ZONE 1 ZONE 2
EXPANSION
ZVC 406-EXP
SIX ZONE ZONE VALVE CONTROL
WITH OPTIONAL PRIORITY
ZONE 1 ZONE 2 ZONE 3
END
SWITCH
1 2 3 4 1 2 3 4 1 2 3 4
A
BOILER
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.
INDIRECT WATER HEATER
AQUASTAT OR THERMOSTAT
T T
T T T T T T T T
ZONE 3 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
PRIORITY
ZONE
MOTOR END
SWITCH
4 WIRE ZONE VALVE
(POWER OPEN, SELF CLOSING)
H
N
T T
T T T T T T T T
ZONE 3 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
PRIORITY
ZONE
MOTOR END
SWITCH
4 WIRE ZONE VALVE
(POWER OPEN, SELF CLOSING)
ZONE 6
PRIORITY
ON
T STAT 1
OFF
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
3 & 4
SEE NOTE
ZONE 6
PRIORITY
ON
T STAT 1
OFF
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
3 & 4
SEE NOTE