Installing the Zone Ctrl II
Zone Ctrl II and
VAV Zone II Secondary Duct Installation and Start-up Guide
CARRIER CORPORATION ©2019
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6
Connect the analog output wiring to the screw terminals on the Zone Ctrl II and to the controlled device.
0-10 V
+
Gnd
Any AO
7
Insert the power screw terminal connector into the Zone Ctrl II's power terminals.
Wiring devices to the Zone Ctrl II'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
•
5 wireless and/or ZS sensors
•
One Equipment Touch
•
One TruVu™ ET Display
For more detailed instructions, see the device's
Installation Guide.
CAUTION
Rnet power
The Rnet port provides 12 Vdc/200 mA* maximum at 32°F (25°C). that can be used to power zone sensors. If
the total power required by the sensors on the Rnet exceeds the power supplied by the port, use an external
power supply. See the sensor's Installation and Start-up Guide to determine the power required.
* These numbers will be reduced at higher temperatures.
Wiring specifications
Cable from sensor to controller:
If <100 ft (30.5 meters) 22 AWG, unshielded
If >100 ft (30.5 meters) 22 AWG, shielded
Maximum length:
500 feet (152 meters)
