Honeywell TH8110U User Manual

Page of 12
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