To Wire Zs Sensors To The Controller - Carrier AppController OPN-APP Installation And Startup Manual

Installing the AppController

To wire ZS sensors to the controller

ZS Sensors are thermistor-based temperature sensors that may optionally sense humidity, CO
Sensors are wired to the Rnet port on i-Vu® Open controllers. You can use the following ZS sensors:

ZS Standard

ZS Plus

ZS Pro

ZS Pro-F
NOTES

The ZS CO2 model uses 190 mA during sample period. Use auxiliary 12 Vdc, unless it is the only device on
the Rnet port.

A control program can use no more than 5 ZS Sensors

SPT sensors cannot share the Rnet with other devices.

For detailed instructions, see the ZS Sensor Installation Guide.
Remove power from the AppController.
1
Partially cut, then bend and pull off the outer jacket of the Rnet cable(s). Do not nick the inner insulation.
2
Strip about .25 inch (.6 cm) of the inner insulation from each wire.
.25 in.
(.6 cm)
Wire each terminal on the sensor to the same terminal on the controller. See diagram below.
3
NOTE Carrier recommends that you use the following Rnet wiring scheme:
Connect this wire...
Red
Black
White
Green
Apply power to the AppController.
4
AppController
Installation and Start-up Guide
Outer Jac ket
Inner insulation
To this terminal...
+12V
Rnet-
Rnet+
Gnd
12
, or VOC. ZS
2
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