
Manual 2100-578B
Page
24 of 41
FIGURE 13
HEAT PUMP WITH CRV AND CO
2
CONTROL
SC
W1/E
A
D
L
O/B
Y2
Y1
24V
G
COM
W2
Completestat
Model #CS9B-THO or
Model #CS9BE-THO
SC
SC
5
2
1
6
Thermostat
W1/E
A
YO/D
L
O/B
Y2
Y1
R
G
C
W2
Bard #8403-060
Not needed below 15KW.
4
A
W3
directly to "A" and do not use seperate CO2 controller.
Factory installed jumper. Remove jumper and connect
Low
If CS9B-THOC or CS9BE-THOC is used, connect "Brown/White"
R
Y1
Y2
G
ORANGE
BROWN/WHITE
2
1
Term. Strip
W2
3
L
D
B/W1
Voltage
to N.C fire alarm circuit if emergency shutdown required.
Install a jumper between "G" and "A" only when thermostat
Connect to "G" terminal when thermostat has "Occupancy Signal".
RT
BLACK/WHITE
6
C
without "Occupance Signal" is used.
1
CRV Wiring Harness
2
RED/WHITE
2
6 CO2 Control
Bard #8403-067
3
3
4
MIS-3205
4
5
5
NOTE:
Bard 8403-060
thermostat must
be in programmed
operation mode and
in programmed fan
mode for ventilation
to function.