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