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TH8110U TOUCH SCREEN PROGRAMMABLE THERMOSTATS
3 69-1700
Fig. 5. Typical hookup of conventional single-stage
heat and cool system with single transformer
(1H/1C conventional).
Fig. 6. Typical hookup of conventional single-stage
heat and cool system with two transformers
(1H/1C conventional).
Fig. 7. Typical hookup of heat-only system
(1H conventional).
Fig. 8. Typical hookup of heat only system with fan
(1H conventional).
COMPRESSOR
CONTACTOR
M19895
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
HEAT RELAY
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
C
R
1
COMPRESSOR
CONTACTOR
M19896
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
HEAT RELAY
FAN
RELAY
R
C
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
REMOVE 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
M19897
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
HEAT 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
M19898
OUTDOOR/INDOOR
TEMPERATURE
SENSOR
HEAT RELAY
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