Installation Guide

87
Aquastat Wiring
L
INE VOLTAGE
OIL BURNER RELAY
O
R GAS VALVE
C
IRCULATOR
O
N BOILER
(IF ATTACHED)
C1
B
2
B1
HONEYWELL L8148A OR EQUAL
C2
3
L
1
L
2
T T
L
1
(
HOT)
L
2
(
NEUTRAL)
1
20 VAC
INPUT
T
THERMOSTAT
(
IF INDEPENDENT ZONE)
R
W
B
B
R
L
6006
L
OW
L
IMIT
C
ONTROLER
B2
TACO
SWITCHING
RELAY
ZC ZR NH
X
X
END SWITCH
L1 L2
B2
C2
B1
L1
(HOT)
L2
(NEUTRAL)
OIL BURNER
AND
IGNITION
CIRCULATOR
ON BOILER
(IF ATTACHED)
T T
FF
HONEYWELL L8182D OR EQUAL
1
20 VAC
INPUT
ZC
ZR
C1
CAD CELL
T
THERMOSTAT
(IF INDEPENDENT
ZONE)
TACO
SWITCHING
RELAY
ZC ZR NH
XX
END SWITCH