Figure 9 Thermostat Connections - Bard 11EER WA Series Installation Instructions Manual

8
R Rc C G
T4 Pro 8403-089
T6 Pro 8403-090
R Rc C G
8403-092
Unit Low
R RT C G
Voltage
Term. Strip
1
12-Pin 9 6 3
Vent Plug
Factory installed jumper. Remove jumper and connect
1
to N.C fire alarm circuit if emergency shutdown required.
2A
Wire not needed below 15KW.
Install Jumper for 1 stage electric heat on units with more
2B
than 10KW.
Wire required for dehumidification models only.
3
For vent operation, add jumper if optional CO2 controller is not used.
4
Vent will run while blower is energized.
For ECON & CRV-V an additional wire change is required
See install Manual.
5 Do not add these wires if setting up for modulating control. See note 6.
Manual 2100-689H
Page 20 of 42
Thermostat Connections
Y W
O B
Y Y2 W
W2
2A
9
2B
Y1 Y2 W2
W3
B/W1
2 5 11
ALL VENT OPTIONS PLUG IN HERE
If not equipped with a ventilation option to plug in, a jumper plug must be installed.
0-10 VDC Modulating CO2 control signal for modulating ventilation control
6
(Optional for ECON Only) - See vent installation manual.
7 Jumper needs added.
8 Thermostat will not work with units equipped with economizers.
Factory installed jumper. Remove jumper to activate Balanced Climate
9
A 2-stage thermostat is recommended for Balanced Climate mode.
FIGURE 9
6
3
L A D 1 2 3
4
7
Units With Dehumidification
8403-038
Mechanical Humidistat
7
8403-047
4
5 3
Electronic Humidistat
Optional CO2 Controller
Bard Part #8403-096
6
1
24VAC
2
3 CO2 OUT
4 TEMP-OUT
4 5 6
5
6
5
4 12 10
Mode.
™
MIS-3975 D