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Revision History
Revision
Date
A
5/29/2020
B
6/1/2020
C
6/3/2020
Cautions and Warnings
Working on tractive systems (which includes but is not limited to motor(s), inverter(s), high voltage battery packs and
high voltage cables) requires special experience and training. AEM EV has implemented fault detection and failsafe logic
into its vehicle control units ("VCU"), however this does not mean that your VCU installation will be safe or effective, or
that your VCU installation will not interfere with other systems on your vehicle and create a hazardous situation. It is the
responsibility of the installer to understand the implications of each stage of tractive system installation and testing and
to recognize what might be unique about your application that presents potential hazards or safety issues – and it is the
responsibility of the installer to solve or address any such hazards or issues.
The following list includes basic recommended practices. This is not a comprehensive list; as noted below, if you are not
well-versed in the appropriate installation and testing procedures, you should refer the installation and calibration to a
reputable installation facility or contact AEM EV for a referral in your area.
•
When access is required near the battery pack, the cell segments must be separated by using an appropriate
maintenance disconnect plug.
•
When working on the battery pack or tractive system, safety gloves with side shields and appropriate insulated
tools must be used.
•
Always wear Class 0 gloves rated at 1000V with leather protectors.
•
Only use CAT III rated digital multimeters (DMM) and test leads.
•
When working on the battery pack or tractive system, work with one hand while keeping the other behind your
back.
•
During initial system power up and testing, the vehicle must be raised off the ground and supported
appropriately. Wheels and tires should be removed.
•
During the VCU firmware upgrade process, battery cell segments must be separated using an appropriate
maintenance disconnect plug.
•
Do not make calibration changes when the inverter pulse width modulation (PWM) is enabled.
USE THIS VCU WITH EXTREME CAUTION. MISUSE AND/OR IMPROPER INSTALLATION CAN CAUSE SIGNIFICANT DAMAGE
TO YOUR VEHICLE AND PROPERTY BELONGING TO YOU OR OTHERS, AS WELL AS PERSONAL INJURY OR DEATH. IF YOU
ARE NOT WELL VERSED IN THE INSTALLATION OF TRACTIVE SYSTEMS OR CONFIGURING THE CALIBRATIONS IN THE AEM
EV VCU THAT ARE NECESSARY TO CONTROL THE VEHICLE, YOU SHOULD REFER THE INSTALLATION AND VCU
CALIBRATION TO A REPUTABLE INSTALLATION FACILITY, OR CONTACT AEM EV FOR A REFERRAL IN YOUR AREA. IT IS THE
6/3/2020, Revision C
AEM Performance Electronics
Change Description
Initial Release
Additional sections added
Warranty Statement added
Update Cautions and Warnings section
AEM EV VCU200 User Guide
th
2205 W 126
Street, Unit A
Hawthorne, CA 90250
Phone (8am-5pm M-F PST): 310-484-2322
Fax: 310-484-0152
sales@aemev.com
tech@aemev.com
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