Terminal identification
Table 5: Terminal identification
FunctionTerminal label
TEC3022, TEC3023,
TEC312x Proportional FC/
VAV
TEC3322, TEC3323, Proportional FC/
VAV
TEC3622, TEC3623
Proportional FC/VAV
24 V 24 VAC hot from transformer
FAN H Fan high
FAN M Fan medium
FAN L Fan low and fan on
AUX Auxiliary binary output
AUX Auxiliary power input
1
COM
1
24 VAC common from transformer
CLG Cooling command, configurable 0 VDC to 10 VDC range
NC No connection
NC No connection
HTG Heating command, configurable 0 VDC to 10 VDC range
RSEN Configurable analog input 1
COS Configurable analog input 2/Changeover binary switch
COM Common
VSF Variable speed fan command, configurable 0 VDC to 10 VDC range
BI-2 Configurable binary input 2
BI-1 Configurable binary input 1
NET+ n/a Not connected Field bus+/N2+
NET- n/a Not connected Field bus-/N2-
NET COM n/a Not connected Isolated common for field bus
1 For the networked models, the common terminals, which do not include NET COM, are internally connected and can be used for all
inputs and outputs. For the wireless models, the common terminals are connected and can be used for all inputs, outputs, and 24
VAC power.
TEC3000 Series Proportional Fan Coil Thermostats Installation Guide6
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