Johnson Controls TEC3010 Installation Instructions Manual page 8

Table 3: Terminal Identification (See Figure 5 for Wiring Diagram)
Terminal Label Function
TEC3020, TEC3021, TEC3022, TEC3023, Proportional FC/VAV
24 V 24 VAC hot from transformer
NC No connect
FAN H Fan high
FAN M Fan medium
FAN L Fan low and fan on
AUX Auxiliary binary output
AUX Auxiliary power
1 24 VAC common from transformer
COM
CLG Cooling command (configurable 0 to 10 V range)
NC No connection
HTG Heating command (configurable 0 to 10 V range)
1 Common
COM
VSF Variable speed fan command (configurable 0 to 10 V range)
BI2 Configurable binary input 2
BI1 Configurable binary input 1
COS Changeover sensor
R SEN Zone temperature sensor
1. The common terminals are connected and can be used for all inputs, outputs, and 24 VAC power.
TEC3000 Series Wireless Proportional Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Capability Installation Instructions
8