Bard WA Series, User Manual, Page: 45 / 87

Manual 2100-720C
Page 21 of 42
FIGURE 20
Programmable Thermostat Connections
Thermostat
W1/E
A
YO/D
L O/B Y2 Y1 R G C W2
Bard #8403-060
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
Y3 6 5 4 2 1 R
Unit Low
Voltage
Term. Strip
W2 C G RT Y1 Y2
B/W1
L D A 3
A 3-stage thermostat is recommended for Balanced Climate mode. Must not be
8
7
6
Do not connect "A" from thermostat if optional CO2 controller is used
0-10 VDC modulating C02 control signal for modulating ventilation
control (optional for ECON only - see vent instruction manuals)
5
Change model configuration from heat pump to heat/cool. Must be configured to programmable
and fan set to be programmed fan for the "A" output to function during scheduled occupied
periods. Must be configured for multi-stage for Y1 output to be active 1st stage cooling. For
dehumidification, must be configured for "No Economizer" for YO/D to be active for humidity
control.
4
Factory installed jumper. Remove jumper and connect
to N.C fire alarm circuit if emergency shutdown required.
3
Wire not needed below 15KW. 2
Wire required for dehumidification models only.
1
Do not add these wires if setting up for modulating control. See note 7.
Install jumper for 1 stage electric heat on units with less than 15KW
9 Factory installed jumper. Remove jumper to activate Balanced Climate
™
mode.
removed if Econ is installed.
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
MIS-4067
2
ALL VENT OPTIONS PLUG IN HERE
2
3
3
4
6
1
4
5
7
If not equipped with a ventilation option to plug in, a jumper plug must be installed.
8
9