Specifications

4
WIRING DIAGRAMS
Figure 3 – Single Stage (1F97-1277) Touchscreen Thermostat Indoor/Outdoor
Remote Sensor Wiring (F145-1328/F145-1378)
Thermostat Subbase
Remote Sensor
Thermostat Subbase
Remote Sensor
Note: When using shielded cable, connect shield
of 18 or 20 gauge 3 connector cable to - or S3 on
thermostat subbase.
Note: When using shielded cable, connect shield
of 18 or 20 gauge 3 connector cable to - or S3 on
thermostat subbase.
Figure 4 – Staging Multi-Stage or Heat Pump Touchscreen Thermostat (1F95-1277) Indoor/Outdoor
Remote Sensor Wiring (F145-1328/F145-1378)
+ S
E2
–
To + or To S1
To S or To S2
To - or To S3
+ S
E2
–
To +
To OT
To -
Outdoor Probe
Remote Sensor
If connecting
outdoor service
If connecting
outdoor service
Remote Outdoor Sensor
+ S
E2
–
To +
To OT
To -
Outdoor Probe