Distech Controls ECB Series Hardware Installation Manual page 18

Typical Air Handling Unit Application Wiring Diagram
Fuse: 4A Max.
Transformer Fast Acting
24VAC
Electrical
System
Ground
Figure 16: Typical Power and Network Connections with an Allure EC-Smart-Vue sensor
Although only the Allure EC-Smart-Vue is shown here, any other Allure Series Communicating Sensor can be connected to the subnet port in
this manner. Refer to the sensor's corresponding Hardware Installation Guide for more details.
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To To
Supply Return
Heat
Fan Fan
Starter Starter
+ -
0-10
~
VDC
ECB-400
*
CT CT
Cool Damper Humidifier
+ - + - + -
0-10 0-10 0-10
~ ~ ~
VDC VDC VDC
Data Bus Shields: Twist together
and Isolate with electrical tape
* 249 ohm resistor built-in for inputs configured as 0-20mA
Back of an Allure
EC-Smart-Vue
ON
OFF
EOL Enabled at
the last sensor
at the end of
the Bus
Allure EC-Smart-Vue