The GP-PWM-10 is rated for a continuous solar current input of 10 amps, uses Pulse Width Modulation (PWM) technology and a unique four stage charging system that includes an optional equalize setting to charge and protect your battery bank.
GP-PWM-10 3.0 Choosing a Location The GP-PWM-10 is designed to be mounted against a wall, out of the way but easily visible. The GP-PWM-10 should be: • Mounted as close to the battery as possible • Mounted on a vertical surface to optimize cooling of the unit •...
GP-PWM-10 5.0 Operating Instructions 5.1 Power Up Please check your battery manufacturer’s specifications to select correct battery type. The unit provides 4 battery types for selections: Gel, AGM, WET (conventional lead acid), and Calcium. 5.2 Setting the Battery Type / Charging Profile...
GP-PWM-10 Wet Cell Battery Charging Algorithm Auto Equalize: The GP- PWM-10 has an automatic equalize feature that will charge and recondition your batteries once a month at a higher voltage to ensure that any excess sulfation is removed. This feature is recommended for Flooded batteries only. Check with your battery manufacturer.
GP-PWM-10 7.0 Troubleshooting 7.1 Problems with the Display Display Reading: Blank Time of Day: Day / Night Possible Cause: (1) Battery or fuse connection and/or solar array connection (Daytime only). (2) Battery or fuse connection (Night only). How to tell: (1) &...
8.0 General Warranty Carmanah warrants the GP-PWM-10 for a period of one (1) year from the date of purchase. This warranty is valid against defects in materials and workmanship for the one (1) year warranty period.
GP-PWM-10 9.0 Wiring Diagram The GP-PWM-10 is based on a 10 amp max input from the solar modules. Use the wiring diagram to connect your battery to the battery terminals on the solar controller. First, connect the battery to the controller and then connect the solar panel to the controller.
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