Installation Overview; Introduction; Specifications - Go Power GPR-25 Owner's Manual

Owner's Manual |

1.0 Installation Overview

1.1

Introduction

A Charge Regulator is an essential component of your photovoltaic 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.
The GPR-25 is a 12 volt flush mounted photovoltaic charge regulator rated for a maximum current of 25
amps. The GPR-25 features an LCD digital display that shows solar array charge current and system
battery voltage. An LED bar graph shows the battery state of charge.
One convenient display
(amperage) readings
Jumper setting for
sealed or flooded
batteries
All lights are
LEDs and will
never burn out.
Low power
consumption at
20 mA
1.2

Specifications

Nominal Voltage
Rated Current, Continuous Array Isc
Array Voltage, Max Voc
Quiescent Current
Current Consumption, Charging Typ.
Voltage Drop, Array to Battery, Typ.
Charge Termination Selectable
Charge Resumption
Operating Temperature Range
LCD Operating Temperature
Display Accuracy
4
Carmanah Technologies Corp. Copyright © 2007
Document number: GPR-25_Manual_v4.doc
Last revised: June 21, 2007
GPR-25 Regulator
alternates between
voltage and current
Coloured LED Bar
Graph shows
battery state of
charge
Description
Charging light indicates
when solar modules are
charging the battery
Digital display
shows real time
battery voltage and
charge current
Value
12 V
25 A
26 V
20 mA
20 mA
0.8 V
14.1 / 14.4 ± 0.2 V
13.0 ± 0.3 V
-40 to 85 ° C
-40 to 185 ° F
-10 to 55 ° C
14 to 131 ° F
2 Points
Blocking diode
prevents reverse
current flow
5 year
warranty
Dimensions (H x W x D):
107.95 x 190.5 x 19 mm
4.25 x 7.5 x 1.6 in
Hardware: #8/32
Weight: 172 grams
6 ounces
Fuse: 25 Amp AGC
Max Wire Gauge: #8 AWG
Warranty: 5 Years
Reverse
polarity
protection
25 A Isc
charge
current
rating
Over current
protection
Full solid
state
charge
control