TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions
7
Figure 12: Wiring the TEC2627-2 Thermostat for Floating Control
(Heating/Cooling Hydronic Valve Control)
F
IG
:t
e
c2
6
2
7
_
h
tn
g
_
cl
n
g
_
h
d
rn
c
Room Temperature
Control Thermostat
UI3 COS
24 V~ Com
24 V~ Hot
BO1 Open
BO2 Close
Figure 13: Wiring the TEC2647-2 Thermostat for Proportional 0 to 10 VDC Control
(Heating/Cooling Hydronic Valve Control)
F
IG
:t
e
c2
6
4
7
_
h
tn
g
_
cl
n
g
_
h
d
rn
c
Room Temperature
Control Thermostat
0 to 10
VDC
UI3 COS
24 V~ Com
24 V~ Hot
AO1
Figure 14: Wiring the TEC2627-2 Thermostat for Floating Control
(Heating/Cooling Hydronic Valve Control with Changeover)
F
IG
:t
ec
2
6
2
7
_
h
tn
g
_
c
ln
g
_
h
d
rn
c_
c
h
n
g
v
r
Floating
Heating/Cooling
Valve
Optional Water
Supply Sensor
Room Temperature
Control Thermostat
Supply Water
Temperature Sensor
UI3 COS
24 V~ Com
24 V~ Hot
BO1 Open
BO2 Close