Priority
T-Stat
Primary Wiring
Class 2 Wiring
AR861-3II
Primary Wiring
Jumper
Priority
Circ
L4006A
T-Stat
T-Stat
Circ
L2
G W
L A R
GZ1
T1 T1 T2 T2 T3 T3
HZ1 GZ2 HZ2 GZ3 HZ3
G
Circ
Milli Volt
Gas Valve
120 VAC
L1
Hot
24V
Transformer
Priority
T-Stat
L8148
Primary Wiring
To Burner or
Burner Control
Do
Not
Use
Class 2 Wiring
AR861-3II
Primary Wiring
Jumper
Priority
Circ
T-Stat
T-Stat
T
T
1
2
Circ
G W L A R
GZ1
T1 T1 T2 T2 T3 T3
C1
C2
B2
B1
HZ1 GZ2 HZ2 GZ3 HZ3
Circ
L2
G
120 VAC
L1
Hot
AR861-2II & AR861-3II APPLICATIONS
INSTALLATION MANUAL AND OPERATING INSTRUCTIONS
12
PN 240005122 Rev. D [11/15/2021]
