Johnson Controls TEC3010 Installation Instructions Manual page 9

Note: Only one transformer is required for each TEC.
Figure 5:
Zone Temp
Thermistor
TEC3000 Series Wireless Proportional Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Proportional Wiring Diagram (See Table 3 for Terminal Identification)
SupplyTemp SupplyTemp
Thermistor Switch
or
EC Motor
Vin
Common
Capability Installation Instructions
R SEN
COS
VSF
24V
COM
24 V
9