Installing the UPC Open
UPC Open Carrier Proprietary and Confidential CARRIER CORPORATION ©2017
Installation and Integration Guide All rights reserved
5
To wire for power
1 Remove power from the power supply.
2 Pull the screw terminal connector from the controller's power terminals labeled Gnd and Hot.
3 Connect the transformer wires to the screw terminal connector.
NOTE If using a grounded transformer, connect the ungrounded lead to the Hot terminal to avoid damaging
the transformer.
4 Apply power to the power supply.
5 Measure the voltage at the UPC Open’s power input terminals to verify that the voltage is within the operating
range of 21.6–26.4 Vac.
6 Insert the screw terminal connector into the UPC Open's power terminals.
7 Verify that the Power LED is on and the Run LED is blinking.
Addressing the UPC Open
EIAYou must give the UPC Open a MAC address that is unique on the MS/TP or ARCNET network. You can address
the UPC Open before or after you wire it for power
1 If the UPC Open has been wired for power, pull the screw terminal connector from the controller's power
terminals labeled Gnd and Hot. The controller reads the address each time you apply power to it.
2 Using the rotary switches, set the controller's address. Set the Tens (10's) switch to the tens digit of the
address, and set the Ones (1's) switch to the ones digit.
EXAMPLE If the controller’s address is 25, point the arrow on the Tens (10's) switch to 2 and the arrow on
the Ones (1's) switch to 5.
CAUTION The factory default setting is 00 and must be changed to successfully install your UPC Open.
Wiring for communications
The UPC Open communicates using BACnet on the following types of network segments:
• MS/TP communicating at 9600 bps, 19.2 kbps, 38.4 kbps, or 76.8 kbps
• ARC156 communicating at 156 kbps
NOTE For more networking details, see the Open Controller Network Wiring Installation Guide.
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