Troubleshooting
Carrier® ChillerVu™
(OPN-PSM-MPCXPE)
Carrier Proprietary and Confidential
CARRIER CORPORATION ©2017
Installation and Start-up Guide
60
All rights reserved
Before replacing the fuse, try to determine why the fuse blew.
•
Check the Power wiring polarity of the Carrier® ChillerVu™, any attached expanders, and any other controllers
that share the power supply. Use the same polarity for all of them.
•
Verify that outputs are wired to the appropriate types of devices. See
Outputs
(page 18). For example, you
cannot wire a 24 Vac device to an output.
•
Carrier® ChillerVu™
- If the
Aux Power Out
port is used, verify that it is wired correctly. See
To wire inputs
and outputs
(page 18).
To replace the fuse:
1
Turn
off
the Carrier® ChillerVu™'s power.
2
If the fuse is on an expander, remove the coverplate.
3
Using needle-nose pliers, pull the bad fuse from the Carrier® ChillerVu™.
4
Cut the wires on the new fuse so that the total length is approximately 1 inch and the fuse is centered.
1 inch
5
Bend the wire ends so that the length is approximately 1/2 inch.
inch
2
1/
6
Use the pliers to grip one wire end of the fuse and push into a fuse socket on the Carrier® ChillerVu™.
7
Grip the other wire end of the fuse and push into the other fuse socket.
8
If working on an expander, replace the coverplate.
9
Turn on the power and verify that the Power LED is lit.
To take the Carrier® ChillerVu™ out of service
If needed for troubleshooting or start-up, you can prevent the i-Vu® application from communicating with the
Carrier® ChillerVu™ by shutting down communication from the controller to the i-Vu® application. When
Out of
Service
, i-Vu® no longer communicates properties, colors, trends, etc..
1
On the i-Vu® navigation
tree, select the Carrier® ChillerVu™.
2
On the
Properties
page, check
Out of Service
.
3
Click
Accept
.