Johnson Controls TEC2627-2 Installation Instructions And Operators Manual page 4

Power Source for Auxiliary Output
24 V~ 24 V~
Com
Hot
24 VAC
Thermostat Power
Power Source for Auxiliary Output
24 V~
24 V~
Com
Hot
24 VAC
Thermostat Power
4 TEC26x7-2 Series BACnet® MS/TP Networked Thermostats with Two Outputs Installation Instructions
Separate 24 VAC
(24 VAC Maximum)
BO5 BO5
Aux Aux
Aux
Same 24 VAC
(24 VAC Maximum)
BO5
BO5
Aux
Aux
Aux
Figure 5: Wiring the TEC26x7-2 Series Thermostat
+
–
Eight-Pole Bottom Connector
REF
BO4/ BO1/
BO2
AO2 AO1
9 10 11
Independent
Contacts
• Reheat
• Lighting
• On/Off Actuation
• Exhaust Fan
Remote Inputs
BI1 BI2
Scom
Voltage-Free
Contact
- OR -
• Remote NSB
• Motion
• Window
Supply Sensor
Changeover Sensor
+ –
Supervisory
Controller
(See Table 1.)
Two-Pole
Left Top
Three-Pole
Connector
Right Top
Connector
24 V~
24 V~
Com
Hot
BO5 BO5
BO3
Aux Aux
4 5
6 7 8
BI1
RS BI2 UI3
Scom
12 13 14 15 16
Voltage-Free
Contact
• Door
• Remote
UI3
Override
• Filter Alarm
• Service Alarm
Voltage-Free
Contact
• COC/NH
Normally Heat
Closed Contact
= Cold Water
• COC/NC
Normally Cool
Closed Contact
= Hot Water
REF