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0 installation overview – Go Power! GP-PWM-25 User Manual

Page 5

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Owner’s Manual | GP-PWM-25 Regulator

5

© 2010 Carmanah Technologies Corporation

Last revised: March 2010

1.0 Installation Overview

1.1 Introduction

A Charge Regulator is an essential component of your photovoltaic (PV) system. The
Regulator maintains the life of the battery by protecting it from overcharging. When your
battery has reached a 100% state of charge, the Regulator prevents overcharging by
limiting the current flowing into the batteries from your solar array.

The GP-PWM-25 is an automatic selecting 12 or 24 volt flush mounted photovoltaic (PV)
charge controller rated for a continuous solar current input of 25 amps. The GP-PWM-25
uses pulse width modulation technology and a unique four stage charging system and
optional equalize setting to charge and protect your battery bank. The GP-PWM-25
features an LCD digital display that shows solar array charge current, system battery
voltage and battery capacity.