Installing the RTU Open
RTU Open v3 CARRIER CORPORATION ©2019
Installation and Start-up Guide All rights reserved
25
The blue LED on the top of the Wireless Adapter indicates the following:
Off Is not powered or there is a problem.
Blinking Is working properly.
Steadily on Has a problem. Do one of the following:
• Cycle power to the device.
• Insert a small screwdriver or paper clip into the hole next to the LED to reboot the
To wire an Equipment Touch to the RTU Open
• The Equipment Touch requires a 24 Vac power supply. It is not powered by the Rnet.
• If the Equipment Touch will be:
○ Daisy-chained on the Rnet with ZS sensors or a Wireless Adapter, use the standard 4-conductor Rnet
wiring and follow the wiring instructions To wire ZS sensors to the RTU Open (page 22).
○ The only device on the Rnet, you can use a 2-conductor cable instead of the standard 4-conductor Rnet
cable and follow the instructions below.
• For complete Equipment Touch installation instructions including wiring diagrams, see the Equipment Touch
Installation and Setup Guide.
The RTU Open can share a power supply with the Carrier controller as long as:
• The power supply is AC power.
• You maintain the same polarity.
• You use the power source only for Carrier controllers.
1 Turn
the RTU Open's power.
2 Partially cut, then bend and pull off the outer jacket of the cable. Do not nick the inner insulation.
3 Strip about 0.25 inch (0.6 cm) of the inner insulation from each wire.
4 Wire the RTU Open's
and
terminals to the terminals of the same name on the Equipment Touch's
connector.
If using shielded wire, connect the shield wire and the ground wire to the
terminal.
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