Honeywell VisionPRO 8000 Product Data page 10

TM
VisionPRO 8000 Touchscreen Programmable Thermostat
(AUXILIARY HEAT)
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
FACTORY INSTALLED JUMPER.
3 OUTDOOR SENSOR REQUIRED IN SYSTEM WITH FOSSIL FUEL BACKUP HEAT THAT IS NOT USING AN EXTERNAL FOSSIL FUEL KIT.
4
OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
5
MUST CONNECT THE 24 VAC COMMON WHEN USING L. THE TERMINAL IS SHOWN AS EQUIPMENT MONITOR, CAN ALSO BE USED AS
A 24 VAC OUTPUT. SEE "HEAT PUMP LED" SECTION FOR MORE INFORMATION.
6 "O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B" IN THE INSTALLER SETUP.
Fig. 20. Typical hookup of single-stage heat pump with auxiliary/backup heat (2H/1C heat pump).
HEAT 2 RELAY
(AUXILIARY HEAT)
1
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2
FACTORY INSTALLED JUMPER.
3 OUTDOOR SENSOR REQUIRED IN SYSTEM WITH FOSSIL FUEL BACKUP HEAT THAT IS NOT USING AN EXTERNAL FOSSIL FUEL KIT.
4 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
5
MUST CONNECT THE 24 VAC COMMON WHEN USING L. THE TERMINAL IS SHOWN AS EQUIPMENT MONITOR, CAN ALSO BE USED AS
A 24 VAC OUTPUT. SEE "HEAT PUMP LED" SECTION FOR MORE INFORMATION.
6
"O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B" IN THE INSTALLER SETUP.
Fig. 21. Typical hookup of multistage heat pump with auxiliary/backup heat (3H/2C heat pump).
68-0280—01
HEAT PUMP
Y2
L
5 5
E
SI
3
OUTDOOR/INDOOR
TEMPERATURE
4
SENSOR
HEAT 2 RELAY
HEAT PUMP
Y2
L
5 5
E
SI
3
OUTDOOR/INDOOR
TEMPERATURE
4
SENSOR
EMERGENCY
HEAT RELAY
EQUIPMENT
2
R
6 6
Y
G
C
OPTIONAL 24 VAC
COMMON CONNECTION
CHANGEOVER
VALVE
EMERGENCY
HEAT RELAY
EQUIPMENT
MONITOR
2
R
6 6
Y
G
C
OPTIONAL 24 VAC
COMMON CONNECTION
CHANGEOVER
VALVE
COMPRESSOR 2 COMPRESSOR 1
10
MONITOR
1
R
C
FAN RELAY
COMPRESSOR
RELAY
M19905
1
R
C
FAN RELAY
M19906