Figure 17B T-Stat Wiring Diagram "X" Opt. W/Demand - Bard Q24H2-A Installation Instructions Manual

REMOTE THERMOSTAT WIRING DIAGRAM
"X" THERMOSTAT OPTION WITH DEMAND VENTILATION
"X" THERMOSTAT OPTION WITH DEMAND VENTILATION
CO2 Controller
Part #8403-067
HOT
1
24 VAC
2
COM
3
Analog
Out
4
5
6
W1/E
Y1
O/B
W2
Thermostat
Bard Part #8403-060
Factory installed jumper.
1
Mount relay in low voltage terminal block compartment.
2
Relay is field installed and required if demand ventilation
3
control does not supply blower "G" signal when ventilation
signal "O1" is supplied.
FIGURE 17B
REMOTE THERMOSTAT WIRING DIAGRAM
G
L
A
R
C
1 5 2
Relay
Part #8201-062
3 4
2
G
Orange
E
L
O1 Brown/White
W1
Y
B
W2
R
C Black/White
W3
Low Voltage
Terminal Block
3
Plug #2
Orange
Red/Yellow
Yellow
Blue
Brown
Red/White
MIS-2688 B
Manual
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