Honeywell VisionPRO 8000 Product Data page 8

TM
VisionPRO 8000 Touchscreen Programmable Thermostat
RC
Y2
R
W
W2 Y
S1
G
S2 C
3
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER.
3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE
ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
Fig. 15. Typical hookup of cool only system
(1C conventional).
RC
Y2
R
W
W2 Y
S1
G
S2 C
3
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
COOL RELAY 2
HEAT RELAY 1
HEAT RELAY 2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER.
3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE
ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
Fig. 16. Typical hookup of conventional multistage
two-stage heating and two-stage cooling in a
single-transformer system
(2H/2C, 2H/1C or 1H/2C conventional).
68-0280—01
CONVENTIONAL
2
OPTIONAL
24 VAC
COMMON
CONNECTION
FAN
RELAY
COMPRESSOR
CONTACTOR
M19900
CONVENTIONAL
2
1
OPTIONAL
24 VAC
COMMON
CONNECTION
MUST COME
FROM THE
COOLING
TRANSFORMER.
FAN
RELAY
COOL RELAY 1
M22438B
1
Y2
R
C
W2
S1
S2
3
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
HEAT RELAY 2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
FACTORY INSTALLED JUMPER.
3 OPTIONAL OUTDOOR OR INDOOR REMOTE SENSOR. AVAILABLE
ON SELECT MODELS. WIRES MUST HAVE A CABLE SEPARATE
FROM THE THERMOSTAT CABLE.
Fig. 17. Typical hookup of conventional multistage
two-stage heating and two-stage cooling in a
two-transformer system (2H/2C, 2H/1C or
R
C
8
CONVENTIONAL
RC
2
R
OPTIONAL
W
24 VAC
COMMON
Y
CONNECTION
G
MUST COME
C FROM THE
COOLING
TRANSFORMER.
FAN
RELAY
COOL RELAY 2 COOL RELAY 1
HEAT RELAY 1
1H/2C conventional).
1
R
C
1
R
C
M19902B