Ac With Programmable Thermostat - Bard W12AAA Installation Instructions Manual

4
8403-060
C
THERMOSTAT
UNIT 24V
C
TERMINAL BLOCK
RED
BLACK
1
2
3
4
Manual 2100-618
Page 14 of 21
LOW VOLTAGE WIRING
LOW VOLTAGE WIRING
A/C WITH PROGRAMMABLE THERMOSTAT

AC WITH PROGRAMMABLE THERMOSTAT

W1/E
R G Y1 W2
Y W1 W2
R G
CRV
BROWN/WHITE
OPTIONAL
VENT PACKAGE
REMOVE JUMPER FOR 2 STAGE ELECTRIC HEAT ON UNITS
WITH 15 OR MORE KW
DO NOT CONNECT "A" FROM 8403-060 IF OPTIONAL CO2
CONTROLLER IS USED
ADD JUMPER FROM "G" TO "E" ONLY IF OPTIONAL CO2 CONTROLLER IS INSTALLED
CHANGE MODEL CONFIGURATION FROM HEAT PUMP TO HEAT/COOL.
MUST BE CONFIGURED TO PROGRAMMABLE AND FAN SET TO PROGRAMMED
FAN FOR THE "A" OUTPUT TO FUNCTION DURING SCHEDULED OCCUPIED PERIODS.
FIGURE 8
YO/D Y2
O/B L
1 2 3 4 5
3
Y1 Y2
1 2
1
YELLOW/RED
ELECTRONIC
A
PROGRAMABLE
OPTIONAL 8403-067
6
CO2 CONTROLLER
A
3 E F
MIS-3597
MIS-3597
2