Johnson Controls TEC3322-1 Series - Page 13

TEC3000 Series Networked and Wireless Proportional Fan Coil and Individual Zone Thermostat Controllers with
Dehumidification Capability Installation Guide
13
Figure 11: Floating control two-pipe heating and cooling hydronic valve control fan coil application
Figure 12: Floating control two-pipe heating and cooling hydronic valve control with changeover fan coil
application
Figure 13: Proportional 0 to 10 VDC control (two-pipe and four-pipe fan coil applications)
Figure 14: AUX contact wiring
Two-Pipe Applications
Four-Pipe Applications
FIG:model_2_proportional
Heating/Cooling
Valve
COM
24V
CLG
HTG
Cooling
Valve
Heating
Valve
COM
24V
HTG
AUX Contact
FIG:Aux Contact Wiring
Load
Hot
19 to 30 VAC