To Wire The Expander For Power - Carrier MPC Open XP Series Installation And Startup Manual

Installing the MPC Open XP
•
Beside the MPC Open XP, by screwing the expander into an enclosed panel using the mounting slots on the
coverplate. Leave about 2 in. (5 cm) on each side of the expander for wiring. Mounting hole dimensions 1.5"
from the left (width) by 10.2" (height). Connect Gnd to Gnd, Xnet- to Xnet-, Xnet+ to Xnet+. You can mount the
expander up to 100 ft away from the controller.

To wire the expander for power

CAUTIONS
•
The expanders are powered by a Class 2 power source. Take appropriate isolation measures when mounting
it in a control panel where non-Class 2 circuits are present.
•
For the MPC Open XP to recognize an attached expander, you must turn on the expander before you turn on
the controller.
1
Verify that the expander's power switch is in the Off position.
2
Connect the 24 Vac power source to the 24 Vac/26 Vdc and Return terminals, being sure to maintain proper
polarity if power is being shared.
3
Turn on the expander's power switch.
4
Verify that the expander's Power LED is on and the Run LED is blinking.
MPC Open XP
MPC Open XPIO48/816
Installation and Start-up Guide
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