
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
10
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 12: Floating Control
(Pressure-Dependent VAV)
Room Temperature Control Thermostat
(Minimum and Maximum Position
Adjusted on Actuator)
Floating
Actuator
COS
COM
24V
HTG O
HTG C
F
IG
:m
o
d
e
l_
1
_
c
ln
g
_
o
n
ly
Figure 13: Floating Control
(Pressure-Dependent VAV with Changeover Sensor/Switch)
F
IG
:m
o
d
e
l_
1
_
h
tn
g
_
c
ln
g
_
c
h
n
g
v
r
Changeover
Sensor
Room Temperature Control Thermostat
(Minimum and Maximum Position
Adjusted on Actuator)
Floating
Actuator
Supply Air
Temperature Sensor
COS
COM
24V
HTG O
HTG C
Figure 14: Floating Control
(Pressure-Dependent VAV with Changeover Sensor/Switch and Reheat)
F
IG
:m
o
d
el
_
1
_
h
tn
g
_
cl
n
g
_
ch
n
g
v
r_
rh
t
Changeover
Sensor
Room Temperature Control Thermostat
(Minimum and Maximum Position
Adjusted on Actuator)
Heating/Cooling
and On/Off
Duct Heater
Floating
Actuator
Supply Air
Temperature Sensor
1
C
COS
COM
24V
HTG O
HTG C
AUX
AUX