Figure 11; Figure 11 Low Voltage Wiring - All Units Except Units With Economizers; Figure 13 Low Voltage Wiring - Bard W24G4 Installation Instructions Manual

1
Thermostat
Part #8403-057
C
(TH311DD1040)
or T4 Pro 8403-089
2
Thermostat
Part #8403-060 C
(1120-445)
(MUST BE CONFIGURED
FOR HEAT/COOL)
Thermostat
Part #8403-082 6
or #8403-084
UNIT LOW
C
VOLTAGE
TERM. STRIP
FACTORY
INSTALLED
JUMPER
Optional CO2 Controller
Bard Part #8403-067
1
24VAC
2
3
C02 OUT
4
TEMP-OUT
5
6
RED
Manual 2100-721B
Page 24 of 54
Low Voltage Wiring
All Units Except Units with Economizers
W R R RC
R W2 Y2
W1/E
8 5 7 2
W2 RT R W3 Y2
B/W1
RED
SET SWITCH ON THERMOSTAT TO "GAS-OIL"
1
CONFIGURE THERMOSTAT FOR HEAT/COOL
2
MUST INSTALL JUMPER FOR 8403-057 OR OTHER THERMOSTAT THAT DOES NOT
3
HAVE OCCUPANCY OUTPUT.
INSTALL IF YOU REQUIRE VENTILATION ANYTIME BLOWER IS ON.
4
FACTORY INSTALLED JUMPER. REMOVE TO ACTIVATE
5
A 2-STAGE THERMOSTAT IS RECOMMENDED FOR

FIGURE 11

Y G B
Y1 A G O/B
3 1 4
Y1 A G 1 2
3
5
THERMOSTAT SUBBASE
O
L
D/YO
12 17
UNIT CONTROL PANEL
D L 3 4 5 6
4
VENT
ORANGE
BROWN/WHITE
PACKAGE
RED/WHITE
WIRING
BLUE
PLUG
BLACK/WHITE
BALANCED CLIMATE™
BALANCED CLIMATE™ MODE.
MIS-2775 H
MODE.