3. Installation Instructions
4. Button Description and Parameters Display
Parameters setting and checking button
Parameters plus button
Parameters minus button
（
load output switch
）
Parameters Display
As shown in the installation connection
diagram, the battery, solar panel, load and
controller should be connected by turns.
Please connect the battery first, and then the
solar panel or load. Pay attention that the
positive (+) and negative (-) polarity are
consistent with the controller.
