Manual 2100-597
Page
26 of 52
FIGURE 15
AIR CONDITIONER WITH ERV AND CO
2
CONTROL (ON/OFF CYCLING)
SC
W1/E
A
D
L
O/B
Y2
Y1
24V
G
COM
W2
Completestat
Model #CS9B-THO or
Model #CS9BE-THO
SC
SC
Thermostat
W1/E
A
YO/D
L
O/B
Y2
Y1
R
G
C
W2
Bard #8403-060
6
1
Additional wire required for dehumidification models.
2
Not needed below 15KW.
3
to N.C fire alarm circuit if emergency shutdown required.
Factory installed jumper. Remove jumper and connect
4
Connect to "G" terminal when thermostat has "Occupancy Signal".
6
without "Occupance Signal" is used.
Install a jumper between "G" and "A" only when thermostat
5
4
5
ERV Wiring Harness
1
2
2
3
BROWN/WHITE
ORANGE
BLACK/WHITE
RED/WHITE
4
W3
A
D
L
B/W1
Y2
Y1
RT
G
C
W2
Term. Strip
R
6
3
3
Voltage
Low
directly to "A" and do not use seperate CO2 controller.
If CS9B-THOC or CS9BE-THOC is used, connect "Brown/White"
PURPLE
PINK
2
1
5
6
6 CO2 Control
Bard #8403-067
MIS-3261
NOTE:
Bard 8403-060
thermostat must be
in programmed
operation mode and
in programmed fan
mode for ventilation
to function.