Taco SR501

82
Aquastat Wiring
TV W
T
L1
(HOT)
L2
(NEUTRAL)
CIRCULATOR
ON BOILER
(IF ATTACHED)
L1
C2
L2
TACO
ZONE
CONTROL
HONEYWELL L8148E OR EQUAL
120 VAC
INPUT
C1
LOW VOLTAGE
GAS VALVE
END SWITCH
B1 B2
Z
TV W
T
L1
(HOT)
L2
(NEUTRAL)
CIRCULATOR
ON BOILER
(IF ATTACHED)
L1
C2
L2
TACO
ZONE
CONTROL
HONEYWELL L8148J OR EQUAL
120 VAC
INPUT
C1
LOW VOLTAGE
GAS VALVE
END SWITCH
B1 B3
ZTP
B2
MILLI-
VOLTAGE
GAS
VALVE
OR
L1 L2
B2
C2
B1
L1
(HOT)
L2
(NEUTRAL)
OIL BURNER
AND
IGNITION
CIRCULATOR
ON BOILER
(IF ATTACHED)
T T
FF
TACO
ZONE
CONTROL
HONEYWELL L8182D OR EQUAL
120 VAC
INPUT
ZC
ZR
END SWITCH
C1
CAD CELL