Pc700 And Pc705 Connected To 2 Exp Zone Valve Controls - Taco SR501 Wiring Manual

PC700 and PC705 Connected To 2 EXP Zone Valve Controls

OUTDOOR
SENSOR
PC700
ZONE
BOIL OUT
CONTROL
SEN SEN
BOILER SENSOR
WHITE
120 VAC
INPUT
BLACK
WHITE
120 VAC
INPUT
BLACK
TO BOILER
AQUASTAT RELAY
BOILER
OUTDOOR
SENSOR GREEN/GROUND
RED
BLUE
PC705-2
BLACK
BOIL SUP OUT ZONE
SEN SEN SEN CONTROL
SUPPLY SENSOR
BOILER SENSOR
WHITE
120 VAC
INPUT
BLACK
WHITE
120 VAC
INPUT
BLACK
SWITCH SETTINGS
Master/Slave: Slave
Reset/Normal: Normal
Priority Zone: Off
SWITCH SETTINGS
Master/Slave: Master
Reset/Normal: Reset
Priority Zone: On or Off
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
SYSTEM DHW
CIRCULATOR CIRCULATOR
SYSTEM CIRCULATOR AND BOILER TURN ON WHEN ANY ZONE VALVE OPENS.
DHW CIRCULATOR TURNS ON ONLY WHEN PRIORITY ZONE CALLS.
(SEE NOTE B ON PAGE 23)
SYSTEM
CIRCULATOR
INJECTION
CIRCULATOR
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 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
24 VAC
PLUG-IN
CARDS
1 2 3 4
T T T T T
ZONE 1 ZONE 2 ZONE 3
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
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)
H
N
T T
ZONE 6
PRIORITY
T T T T T T T
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
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
SEE NOTE
45