Troubleshooting
Carrier® ChillerVu™
(OPN-PSM-MPCXPE) Carrier Proprietary and Confidential CARRIER CORPORATION ©2017
Installation and Start-up Guide 59 All rights reserved
To replace the Carrier® ChillerVu™'s battery
The Carrier® ChillerVu™'s 10-year Lithium CR123A battery retains the following data for a maximum of 720 hours
during power outages: time, control programs, editable properties, schedules, and trends.
To conserve battery life, you can set the driver to turn off battery backup after a specified number of days and
depend on the archive function to restore data when the power returns.
A low battery is indicated by the
LED or a low battery alarm in the i-Vu® application. You can purchase
replacement batteries from any retailer that sells a CR-123A battery.
1 Verify that the Carrier® ChillerVu™'s power is on.
2 Using a small flathead screwdriver, pry up each side of the black battery clip until it is free and you can
remove it.
3 Remove the battery from the expander, making note of the battery's polarity.
4 Insert the new battery into the expander, matching the polarity of the battery you removed.
5 Push the black clip back onto the battery until you hear both sides click in place.
6 Download the Carrier® ChillerVu™.
If you turn on the Carrier® ChillerVu™'s power switch and the Power LED is not lit, use a multimeter to see if one
of the 3 Amp Pico fuses that protects the incoming power is blown.
Off On
Power
Return
24ac/26dc
Fuse
You can order replacement 3 Amp Pico fuses from a local or online retailer.
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