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