Manual 2100-708A
Page
11 of 17
FIGURE 22
Programmable Thermostat Connections for ECON-NC5 with Heat Pumps
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
6
5
4
2
1
R
Unit Low
Voltage
Term. Strip
W2
C
G
RT
Y1
Y2
B/W1
L
D
A
3
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
A 2-stage thermostat is recommended for Balanced Climate mode.
8
4
3
3
1
6
4
5
If not equipped with a ventilation option to plug in, a jumper plug must be installed.
5
ALL VENT OPTIONS PLUG IN HERE
2
7
Do not connect "A" from thermostat if optional CO2 controller is used
control (optional for ECON only - see vent instruction manuals)
0-10 VDC modulating C02 control signal for modulating ventilation
6
8
7
Do not add these wires if setting up for modulating control.
1
2
and fan set to be programmed fan for the "A" output to function during scheduled occupied
control.
dehumidification, must be configured for "No Economizer" for YO/D to be active for humidity
periods. Must be configured for multi-stage for Y1 output to be active 1st stage cooling. For
4
to N.C fire alarm circuit if emergency shutdown required.
Factory installed jumper. Remove jumper and connect
3
Wire not needed below 15KW.
2
Wire required for dehumidification models only.
Ensure model configuration is heat pump and not heat/cool. Must be configured to programmable
Factory installed jumper. Remove jumper to activate Balanced Climate
™
mode.
MIS-4063 A
