Manual 2100-667
Page
12 of 19
FIGURE 9
Required Control Connections for CRV with Heat Pumps
Thermostat
W1/E
A
YO/D
L
O/B
Y2
Y1
R
G
C
W2
Bard #8403-060
Add-on demand
4
ventilation control
6
10
12
11
9
4
12-Pin
Vent Plug
2
3
5
7
CO2 OUT
Optional CO2 Controller
Bard Part #8403-067
6
5
4
3
2
1
TEMP-OUT
24VAC
W3/8
7
6
5
3
2
R
Unit Low
Voltage
Term. Strip
W2
C
G
RT
Y1
Y2
B/W1
L/1
D
A
4
W1/E
SC
SC
SC
Completestat
Model #CS9B-THO or
Model #CS9BE-THO
W2
COM
G
24V
Y1
Y2
O/B
L
D
A
GND
Blue
Yellow
Orange
Red
1
Additional wire required for dehumidification models.
2 Not needed below 15KW.
Factory installed jumper. Remove jumper and connect
3
to N.C fire alarm circuit if emergency shutdown required.
4
Demand ventilation control, which could include switched CO2 control, or secondary
motion activated switch. Would be negated with option 7 (CO2 with 0-10VDC modulating output)
5 Relay Provided with Completestat
5
WCRVPS*P PLUGS IN HERE
6
3
6
2
2
3
White
1
4-20 mA Modulating CO2 control for modulating ventilation control
MIS-3876 A
