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TABLE 6
Thermostat Wire Size
Transformer
FLA
VA
55
2.3
TABLE 7
Humidity Controls
Part Number
8403-038
SPDT switching, pilot duty 50VA @ 24V;
(H600A1014)
Humidity range 20-80% RH
Electronic dehumidstat SPST closes-
8403-047
on-rise; Humidity range 10-90% with
(H200-10-21-10)
adjustable stops
SC
SC
SC
Completestat
Model #CS9B-THOA or
Model #CS9BE-THOA
24V
COM
G
6
Thermostat
R
C
G
Bard #8403-060
Unit Low
R
RT
C
G
Voltage
Term. Strip
1
12-Pin
9
6
3
Vent Plug
If not equipped with a ventilation option to plug in, a jumper plug must be installed.
Factory installed jumper. Remove jumper and connect
1
to N.C fire alarm circuit if emergency shutdown required.
2
Wire not needed below 15KW.
Wire required for dehumidification models only.
3
4
Do not connect "A" from thermostat if optional CO2 controller is used
0-10 VDC modulating C02 control signal for modulating ventilation
5
control (optional for ECON only - see vent instruction manuals)
Maximum
Wire Gauge
Distance
In Feet
18 gauge
60
16 gauge
100
14 gauge
160
12 gauge
250
Predominate Features
Programmable Thermostat Connections
Y1
Y2
O/B
W2
W1/E
2
Y1
Y2
O/B
W2
W1/E
2
7
Y1
Y2
W2
W3
B/W1
9
2
5
11
ALL VENT OPTIONS PLUG IN HERE
Part Number
CO
8403-056
Normally Open SPST (Default: Close at
800ppm)
Normally Open SPST relay closes-on-rise
24V dual wave length sensor. Default setting
8403-096
950ppm, adjustable to 0-2000ppm
Default off setting 1000ppm, adjustable to
0-200 ppm can be calibrated
FIGURE 8
L
A
D
GND
4
3
L
A
YO/D
4
3
L
A
D
1
2
3
7
Change model configuration from heat pump to heat/cool. Must be configured to programmable
6
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.
7
Install jumper for 1 stage electric heat on units with more than 10KW
Do not add these wires if setting up for modulating control. See note 5.
8
Factory installed jumper. Remove jumper to activate Balanced Climate™ mode.
9 A 2-stage thermostat is recommended for Balanced Climate mode.
not present if economizer is factory installed. Units with economizers have balanced
climate jumper in economizer, refer to economizer manual.
TABLE 8
CO
Controllers
2
Predominate Features
ventilation control with digital display.
2
5
Optional CO2 Controller
Bard Part #8403-096
1
2
3
4
4
5
6
5
6
8
4
12
10
Y1 Y2 jumper
Manual
Page
24VAC
CO2 OUT
TEMP-OUT
MIS-3974
D
2100-689J
19 of 42
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