
FlexSys
Thermostat Zone Controller / LCD Touch Screen
TEC - 3620
Model:
©2016 Johnson Controls | The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local
Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products.
© 2016 AirFixture, LLC
11
Installation / Operation Manual
V160919
TEC3000 Series On/Off or Floating Fan Coil and Zoning Thermostat Controllers with Dehumidification
Capability Installation Instructions
Note:
VAV and 2-pipe systems should connect their
valve to the heating output.
Figure 15: Floating Control Two-Pipe Heating and Cooling Hydronic Valve Control Fan Coil Application
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ln
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c
Room Temperature
Control Thermostat
COS
COM
24V
HTG O
HTG C
Figure 16: Floating Control Two-Pipe Heating and Cooling Hydronic Valve Control with Changeover Fan
Coil Application
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cl
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v
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Floating
Heating/Cooling
Valve
Optional Water
Supply Sensor
Room Temperature
Control Thermostat
Supply Water
Temperature Sensor
COS
COM
24V
HTG O
HTG C
Figure 17: Floating Control
(On/Off Two-Pipe and Four-Pipe Fan Coil Applications)
Two-Pipe Applications
Four-Pipe Applications
FI
G
:m
od
el
_1
_o
no
ff
COM
24V
COM
24V
Cooling
Valve
Heating
Valve