44
Internal Wiring
Jumper
LWCO
Burner Control
Circulator
Manual
Reset
Limit
R2A
R1A
120V
24V
Room T-stat
Snap-set
Secondary
T-stat
Gas Valve
Auto
Reset
Limit
Burner Control
Factory
Jumper
R2B
Air Switch
Blower
Alarm
Equipment
Ground
On-Off
Switch
120 VAC
R2
B
B
B
B
B
B
B
B
B
B
B
R
B
B
R
R
R
R
W
W
BL
BL
BL
BRN
T
T
V
V
V
P
P
Y
Y
OR
Y
V
BL
BL
Primary
T-Stat
CDM
C
C
PS1
PS2
MV
IND
L1
B - Black
BL
-
Blue
P - Pink
V - Violet
Y - Yellow
R - Red
OR -Orange
T
- Tan
W- White
Fig. 31: Factory Internal Wiring