
Installing the MPC Open XP
MPC Open XP
MPC Open XPIO48/816
CARRIER CORPORATION ©2019
Installation and Start-up Guide
All rights reserved
12
•
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.