Kelly KHS High Voltage Sinusoidal Brushless Permanent Magnet Motor Controller User’s Manual V 1.25
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connect a lower volt such as 24V-72V to + terminal, customers must set 0V for pre-charge
voltage in user program before doing controller’s auto_Identification. When the identification
angle operation is finished successfully, customers need to set up the pre-charge voltage and
pre-charge time in the user program. Then connect high volt battery positive to B+ to do
pre-charge voltage you set up previously.
Chapter 5 Maintenance
There are no user-serviceable parts inside the controllers. Do not attempt to open the
controller
as this will void your warranty. However, periodic, exterior cleaning of the controller
should be carried out.
The controller is a high powered device. When working with any battery powered vehicle,
proper safety precautions should be taken that include, but are not limited to, proper training,
wearing eye protection, avoidance of loose clothing, hair and jewelry. Always use insulated
tools.
5.1 Cleaning
Although the controller requires virtually no maintenance after properly installation, the following
minor maintenance is recommended in certain applications.