TEC3000 Series Wireless Proportional Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Capability Installation Instructions
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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
COM
1
24 VAC common from transformer
CLG Cooling command (configurable 0 to 10 V range)
NC No connection
HTG Heating command (configurable 0 to 10 V range)
COM
1
Common
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.