TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions
5
Figure 6: Wiring the TEC2627-2 Thermostat for Floating Control
(Pressure-Dependent VAV Cooling Only)
Room Temperature Control Thermostat
(Minimum and Maximum Position
Adjusted on Actuator)
Floating
Actuator
UI3 COS
24 V~ Com
24 V~ Hot
BO1 Open
BO2 Close
F
IG
:t
e
c2
6
2
7
_
cl
n
g
_
o
n
ly
Figure 7: Wiring the TEC2647-2 Thermostat for Proportional 0 to 10 VDC Control
(Pressure-Dependent VAV Cooling Only)
Room Temperature Control Thermostat
(Minimum and Maximum Position
Adjusted on Actuator)
Proportional
Actuator
F
IG
:t
e
c2
6
4
7
_
cl
n
g
_
o
n
ly
0 to 10
VDC
UI3 COS
24 V~ Com
24 V~ Hot
AO1
Figure 8: Wiring the TEC2627-2 Thermostat for Floating Control
(Pressure-Dependent VAV Heating/Cooling with Changeover)
F
IG
:t
e
c2
6
2
7
_
h
tn
g
_
cl
n
g
_
ch
n
g
v
r
Changeover
Sensor
Room Temperature Control Thermostat
(Minimum and Maximum Position
Adjusted on Actuator)
Floating
Actuator
Supply Air
Temperature Sensor
UI3 COS
24 V~ Com
24 V~ Hot
BO1 Open
BO2 Close