Wiring Devices To The Uc Open's Rnet Port; Rnet Wiring Specifications; To Wire Zs Sensors To The Controller - Carrier UC Open Installation And Startup Manual

Wiring devices to the UC Open's Rnet port

The Rnet communicates at a rate of 115 kbps and should be wired in a daisy-chain or hybrid configuration.
Supports up to
•
15 wireless and/or ZS sensors (5 per control program)
• One Equipment Touch
•
One TruVu™ ET Display
NOTES
• ZS sensors, a Wireless Adapter, and an Equipment Touch can share the Rnet, but not SPT sensors.
•
The Wireless Adapter, Equipment Touch, or TruVu™ ET Display must be powered by an external power source.

Rnet wiring specifications

NOTE Use the specified type of wire and cable for maximum signal integrity.
Description
Conductor
Maximum length
Insulation
Color Code
Shielding
UL temperature rating
Voltage
Listing

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
UC Open
Installation and Start-up Guide
4 conductor, shielded or unshielded, CMP, plenum rated cable
22 AWG (7x0096) bare copper if Rnet has only sensors
500 feet (152 meters)
Low-smoke PVC (or equivalent)
Black, white, green, red
If shielded, Aluminum/Mylar shield (100% coverage) with TC drain wire, terminated
at controller
32–167°F (0–75°C)
300 Vac, power limited
UL: NEC CL2P, or better
11
Installing the UC Open
, or VOC. ZS
2
CARRIER CORPORATION ©2019
All rights reserved