Wiring for communications
Carrier® ChillerVu™
(OPN-PSM-MPCXPE)
Carrier Proprietary and Confidential
CARRIER CORPORATION ©2017
Installation and Start-up Guide
26
All rights reserved
To wire to a CCN network
1
Turn
off
the Carrier® ChillerVu™'s power.
2
Verify that DIP switch
5
is set to
CCN
.
3
Verify that Port S2 is set up for EIA-485 2-wire (Half Duplex). .
4
Connect the Carrier® ChillerVu™'s Port S2 to the CCN bus. Use the same polarity throughout the network
segment.
Wire this Port S2 terminal
To this CCN device terminal
Signal Ground (Pin 5)
G
Net- (Pin 2)
-
Net+ (Pin 1)
+
NOTE
The CCN Shield should be tied/taped back or daisy chained if the Carrier® ChillerVu™ is not at one
end of the bus.
5
Turn
on
the Carrier® ChillerVu™'s power.
NOTE
The default CCN address for the Carrier® ChillerVu™ is Bus 0, Element 1. See
To scan and download CCN
devices
(page 34).
