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8
R
Rc
C
G
T4 Pro 8403-095
T6 Pro 8403-090
R
Rc
C
G
or 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.
Wire not needed below 15KW.
2
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 2100-711F
Page
22 of 45
Thermostat Connections
Y
O/B
AUX
E
Y
Y2
O/B
AUX
E
9
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 21
6
2
3
L
A
D
1
2
3
4
7
Units With Dehumidification
8403-038
Mechanical Humidistat
7
8403-047
5
3
4
Electronic Humidistat
Optional CO2 Controller
Bard Part #8403-067
6
1
24VAC
2
3
CO2 OUT
4
TEMP-OUT
4
5
6
5
6
5
4
12
10
Mode.
™
MIS-4064 D
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Table of Contents
Troubleshooting
