Manual 2100-578L
Page
24 of 42
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
GND
5
2
1
6
W1/E
A
YO/D
L
O/B
Y2
Y1
R
G
C
W2
Thermostat
Bard #8403-060
W1/E
A
D
L
O/B
Y2
Y1
24V
G
COM
W2
Completestat
Model #CS9B-THO or
Model #CS9BE-THO
SC
SC
SC
GND
Thermostat
W1/E
A
YO/D
L
O/B
Y2
Y1
R
G
C
W2
Bard #8403-060
Blue
Yellow
Orange
5
MIS-3205 B
7
1
Not needed below 15KW.
2
to N.C fire alarm circuit if emergency shutdown required.
Factory installed jumper. Remove jumper and connect
17
Connect to "G" terminal when thermostat has "Occupancy Signal".
3
3
4
CRV Wiring Harness
1
BROWN/WHITE
ORANGE
BLACK/WHITE
RED/WHITE
4
W3
A
D
C
B/W1
L
2
RT
G
Y1
3
Term. Strip
R
6
Install a jumper between "G" and "A" only when thermostat
Jumper W2 to W3 at terminal block when
using 8403-084 with unit with 15 KW.
4
directly to "A" and do not use seperate CO2 controller.
If CS9B-THOC or CS9BE-THOC is used, connect "Brown/White"
5
5
Bard #8403-067
CO2 Control
6
6
Red
2
Relay Provided with Completestat
6
without "Occupancy Signal" is used.
Voltage
Low
2
3
Y2
4
W2
#8403-084
8
6
7
7
Thermostat
Bard
9
White
NOTE: Bard 8403-060
thermostat must be in
programmed operation
mode and in programmed
fan mode for ventilation to
function.