Installing the UC OpenUC Open CARRIER CORPORATION ©2019Installation and Start-up Guide All rights reserved12NOTES• The ZS CO2 model uses 190 mA during sample period. Use auxiliary 12 Vdc, unless it is the only device onthe 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.1 Remove power from the UC Open.2 Partially cut, then bend and pull off the outer jacket of the Rnet cable(s). Do not nick the inner insulation.Strip about .25 inch (.6 cm) of the inner insulation from each wire.Outer JacketInner insulation.25 in.(.6 cm)3 Wire each terminal on the sensor to the same terminal on the controller. See diagram below.NOTE Carrier recommends that you use the following Rnet wiring scheme:Connect this wire... To this terminal...RedBlackWhiteGreen+12VRnet-Rnet+Gnd4 Apply power to the UC Open.To wire the Wireless Adapter for wireless sensorsWARNING Do not apply line voltage (mains voltage) to the Wireless Adapter.The Carrier wireless sensors are available in 868, 902, and 928 MHz radio frequency. The sensors are thermistor-based temperature sensors that may optionally sense humidity.Wireless sensors communicate through a Wireless Adapter, which is wired to the Rnet port of the controller.REQUIREMENTS• A v6.5 or later i-Vu® system• v6-xx-xxx or later controller drivers