Johnson Controls TEC2627-2 Installation Instructions And Operators Manual page 8

Optional Water
Supply Sensor
Room Temperature
Control Thermostat
Figure 15: Wiring the TEC2647-2 Thermostat for Proportional 0 to 10 VDC Control
Figure 16: Wiring the TEC2627-2 Thermostat for On/Off Control
Heating/Cooling
Valve
Two-Pipe Applications
Figure 17: Wiring the TEC2627-2 Thermostat for Floating Control
8 TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions
Proportional
Heating/Cooling
Valve
(Heating/Cooling Hydronic Valve Control with Changeover)
24 V~
24 V~
or
Hot Com
Two-Pipe Applications
24 V~ 24 V~
BO1 BO2
Com
Hot
UI3 COS
24 V~ Com
24 V~ Hot
AO1
Supply Water
Temperature Sensor
or
Cooling
Valve
Heating
Valve
Four-Pipe Applications
BO1 BO2
Cooling
Valve
Heating
Valve
Four-Pipe Applications
0 to 10
VDC
24 V~ 24 V~
or
Hot
Com
24 V~ 24 V~
BO3 BO4
Com
Hot