Manual 2100-653A
Page
25 of 44
FIGURE 20
Unit Mounted Thermostat Wiring Diagram
“I” Thermostat Option
1
24 VAC
CO2-OUT
CO Controller
Bard Part #8403-067
2
2
1
2
3
4
5
6
Re
d/
W
hit
e
TEMP-OUT
Re
d/
W
hit
e
8403-060
With "I" Thermostat Option
Plug #4
1
2
3
4
5
6
7
8
9
10
11
12
L
C
R
W2
B
W1/E
G
A
Y1
Red/Yellow
Orange
Yellow
Blue
Brown
Red/White
Wiring Diagram
Thermostat
Purple/White
D/YO
Br
ow
n/
W
hit
e
4
Bl
ac
k/W
hit
e
Black/White
3
4102-066 B
