
TEC3000 Series Wireless Proportional Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Capability Installation Instructions
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
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.