Installing the MPC Open XPMPC Open XPMPC Open XPIO48/816 CARRIER CORPORATION ©2019Installation and Start-up Guide All rights reserved7To install the MPC Open XP:1 Mount the controller (page 7).2 Wire the controller for power (page 7).3 Set the controller's address (page 8).4 Wire the controller to the BACnet MS/TP or BACnet ARC156 network (page 9).5 Wire inputs and outputs (page 14).6 Wire expanders to the controller (page 10).7 Wire devices to the Rnet port (page 19).Mounting the MPC Open XPWARNINGWhen you handle the MPC Open XP:• Do not contaminate the printed circuit board with fingerprints, moisture, or any foreign material.• Do not touch components or leads.• Handle the board by its edges.• Isolate from high voltage or electrostatic discharge.• Ensure that you are properly grounded.Screw the MPC Open XP into an enclosed panel using the mounting slots on the cover plate. Leave about 2 in. (5cm) on each side of the controller for wiring. See mounting dimensions in Specifications.If using expanders, see Installing an expander (page 10) before mounting the controller.Wiring the MPC Open XP for powerWARNING Do not apply line voltage (mains voltage) to the controller's ports and terminals.CAUTIONS• The MPC Open XP is powered by a Class 2 power source. Take appropriate isolation measures whenmounting it in a control panel where non-Class 2 circuits are present.• Carrier controllers can share a power supply as long as you:• Maintain the same polarity.Installing the MPC Open XP