Pc700 And Pc705 Controls Connected To 2 Exp Switching Relays - Taco SR501 Wiring Manual

PC700 and PC705 Controls Connected to 2 EXP Switching Relays

OUTDOOR
SENSOR
PC700
ZONE
BOIL OUT
CONTROL
SEN SEN
BOILER SENSOR
BOILER
OUTDOOR
SENSOR GREEN/GROUND
RED
BLUE
PC705-2
BOIL SUP OUT ZONE BLACK
SEN SEN SEN CONTROL
SUPPLY SENSOR
BOILER SENSOR
SWITCH SETTINGS
Master/Slave: Master
Reset/Normal: Reset
Priority Zone: On or Off
SLAVE
MASTER
POWER
CONTROL
INTERFACE
24 VAC
POWER
FUSE 1 AMP
TO: "TT" ON BOILER
SWITCH SETTINGS
Master/Slave: Slave
Reset/Normal: Normal
Priority Zone: No Priority
(SEE NOTE B
ON PAGE 23)
SLAVE
SYSTEM
MASTER
CIRCULATOR
EXPANSION
INJECTION
CIRCULATOR
24 VAC
POWER
FUSE 1 AMP
SYSTEM CIRCULATOR
(OPTIONAL LOCATION)
(SEE NOTE A ON PAGE 23)
PLUG-IN CARDS
1 2 3 4
EXPANSION
ZONE 1 ZONE 2 ZONE 3 ZONE 4
FOUR ZONE SWITCHING RELAY
RESET NORMAL
WITH OPTIONAL PRIORITY
120V RELAY
X X
ZONE1 ZONE2
ZC ZR
END
120 VOLT CIRCULATORS
SWITCH
JUMPER
PLUG-IN CARDS
1 2 3 4
ZONE 1 ZONE 2 ZONE 3 ZONE 4
FOUR ZONE SWITCHING RELAY
RESET NORMAL
WITH OPTIONAL PRIORITY
120V RELAY
X X
ZONE1 ZONE2
ZC ZR
END
SWITCH 120 VOLT CIRCULATORS
JUMPER
THERMOSTATS
T
MASTER
ZONE 4
PRIORITY
ON
OFF
SR 504-EXP
ZONE3 ZONE4 POWER
INPUT
120 V AC INPUT
THERMOSTATS
T
SLAVE
ZONE 4
PRIORITY
ON
OFF
SR 504-EXP
ZONE3 ZONE4 POWER
INPUT
POWER
ZONE 1
ZONE 2
ZONE 3
ZONE 4
POWER
ZONE 1
ZONE 2
ZONE 3
ZONE 4
H
N
120 VAC INPUT
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