Go Power! Overlander Manuel utilisateur

GP-PWM-30-UL

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User Manual

GP-PWM-30-UL

Dual Bank with Bluetooth® Wireless Technology

GP-PWM-30-UL

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2

Contents

1.0 Installation Overview 4

1.1 Introduction 4

1.2 System Voltage and Current 4

1.3 Battery Type 4

1.4 Low Voltage Disconnect Function (USB Port, Inverter Remote Signal) 4

1.5 Bluetooth

®

Wireless Technology 5

1.6 Regulatory Information 5

1.7 Specifications 5

2.0 IMPORTANT SAFETY INSTRUCTIONS 7

3.0 Tools and Materials Needed 9

4.0 Choosing a Location 9

5.0 Choosing a Battery 9

6.0 Installation Instructions 10

7.0 Wiring Diagram 12

7.1 Charging Only One Battery 13

7.2 Charging Two Batteries 13

8.0 Operating Instructions 14

8.1 Power Up 14

8.2 Setting the Battery Type and Charging Profile 15

8.3 Battery Charging Profile Chart 16

8.4 Maximum Power Boost Technology™ 17

8.5 Viewing the Controller Display Information 17

8.6 Resetting the Ampere Hours Charged 19

8.7 Errors 20

GP-PWM-30-UL

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3

9.0 Display Symbols 21

10.0 Inverter Control (on/off) 23

11.0 USB Charging 24

12.0 Bluetooth

®

Wireless Technology 25

12.1 Pairing 25

12.2 App Settings 27

12.3 General Info 27

13.0 Frequently Asked Questions (FAQs) 28

14.0 Troubleshooting Problems 30

14.1 Problems with the Display 30

14.2 Problems with Voltage 31

14.3 Problems with Current 31

15.0 Limited Warranty 34

15.1 Repair and Return Information 34

16.0 Installation Template 34

GP-PWM-30-UL

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4

1.0 Installation Overview

1.1 Introduction

A Solar Controller (or Charge Controller / Regulator) is an essential component

of your photovoltaic solar system. The Controller maintains the life of the battery

by protecting it from overcharging. When your battery has reached a 100% state

of charge, the Controller prevents overcharging by limiting the current flowing into

the batteries from your solar array.

The GP-PWM-30-UL 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. The GP-PWM-30-UL features an LCD

digital display that shows the charge current of the solar array, system battery

voltage and battery state of charge. The GP-PWM-30-UL also features Maximum

Power Boost Technology™ for manual bulk and absorption charge at any stage

of the charge cycle.

1.2 System Voltage and Current

GP-PWM-30-UL is intended for use at 12 VDC system voltage and is rated for a

maximum continuous DC input current of 37.5A and input voltage of 35VDC.

Per National Electrical Code (NEC) article 690.7 and 690.8, PV module

nameplate ratings must be multiplied by required values (typically 1.25 for both

voltage and current) to obtain the maximum voltage and continuous current

available from the module.

Applying NEC factors, the maximum allowable nameplate PV Panel rated Isc is

30A (30A x 1.25 = 37.5A), and the maximum voltage, Voc is 28VDC (28VDC x

1.25 = 35VDC).

The voltage and current ratings of all equipment connected to PV panels must be

capable of accepting the voltage and current levels available from PV panels

installed in the field.

1.3 Battery Type

The GP-PWM-30-UL is suitable for use with lead acid batteries (vented, GEL, or

AGM type) as well as some lithium iron phosphate (LiFePO

4

) batteries that are

supplied with a Battery Management System (BMS).

1.4 Low Voltage Disconnect Function (USB Port,

Inverter Remote Signal)

To protect the battery against over-discharge this function automatically switches

off the USB output port when Battery 1 voltage is lower than 11.0 VDC. If a

GP-PWM-30-UL

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5

compatible inverter is connected and set to remote mode, the controller will also

switch off the inverter. This will occur with a delay of 2 to 3 minutes.

As soon as Battery 1 reaches a voltage of 12.2 VDC (for LFP) or 12.8 VDC (for

SEALED, AGM, or FLOODED) the USB output port is switched on again. If a

compatible inverter is connected and in remote mode, it will also be switched on

again.

1.5 Bluetooth

®

Wireless Technology

The latest versions of GP-PWM-30-UL have integrated Bluetooth

®

Low Energy

wireless technology ready to be paired to your mobile device using the Go

Power! Connect app available for download from the App Store and Play Store.

1.6 Regulatory Information

1.7 Specifications

Description

Value

Dimensions (H x W x D):

108 x 190 x 35 mm

4.25 x 7.48 x 1.38 in

Weight: 300g / 10.6 oz

Maximum Wire Gauge:

#4 AWG

Warranty: 5 years

• PWM Charging

• 3 Battery Charging

profiles

• 4 Stage Charging

• Monthly Equalize

option

• Displays Charging

Current, Battery

Voltage and Battery

State of Charge

• Reverse Polarity

protected

Model

GP-PWM-30-UL

Nominal System Voltage

12 VDC

Charging Output Voltage

Range Battery 1

9.0 – 14.9 VDC

Charging Output Voltage

Range Battery 2

9.0 – 14.9 VDC

Maximum Charge Current

Battery 1

37.5A

Maximum Charge Current

Battery 2

37.5A

Maximum DC Input Voltage

35.0 VDC

Range of DC Input Voltage

9.0 – 35.0 VDC

Maximum DC Input

Operating Current

37.5 A

Maximum DC Short Circuit

Current

37.5 A

Max. Series Fuse or Circuit

Breaker

Solar/Battery 1/Battery 2

50 A

Operating Consumption

(Display backlight on)

15mA

PHOTOVOLTAIC CHARGE

CONTROLLER FOR USE IN LAND

VEHICLES

NO. E500409

GP-PWM-30-UL

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6

Operating Consumption

(Display backlight off)

6mA

• Temperature

Compensated

• RoHS Compliant,

environmentally safe

• Accepts up to 500

watts of solar at 12

volts

• Maximum Power

Boost Technology

Battery Types Supported

Vented and Sealed (GEL, AGM etc.)

Lead Acid

Lithium Iron Phosphate (LFP or

LiFePO

4

)

Bulk/Absorption Voltage

(Sealed/Gel, AGM,

Flooded)

14.1/14.4/14.4V (25°C / 77°F),

30min / Day

or 2hr if battery voltage < 12.3V

Absorption Voltage

(LiFePO

4

)

14.4V

30min / day

Float Voltage

(Sealed/Gel, AGM,

Flooded)

13.7V (25°C / 77°F)

Float Voltage

(LiFePO

4

)

14.0V

Equalization Voltage

(Flooded only)

14.9V (25°C / 77°F),

2h / 28 Days

or if battery voltage < 12.1V

Temperature Compensation

(Sealed/Gel, AGM, Flooded

only)

- 24mV/ºC / 13mV/ºF

USB charger

5V, 800mA

Low Voltage Disconnect

(USB, Inverter off signal)

11.0 VDC after 2 to 3 minutes,

Reconnects once battery reaches:

12.8V for Sealed/Gel, AGM, Flooded

12.2V for LiFePO

4

Operating Temperature

Display Operating

Temperature

- 40 to 60°C / - 40 to 140°F

- 10 to 55°C / 14 to 131°F

Charge Current De-Rating

(Based on internal

temperature of the

controller)

Internal Temp.

Max Charge

Output Current

<80°C/176°F

37.5A

80°C/176°F

22.5A

81°C/177.8°F

15A

82°C/179.6°F

7.5A

>82°C/179.6°F

0A

Humidity

99% N.C.

Protection

Battery Reverse Polarity, Solar Array

Reverse Polarity, Over Temperature,

PV Short Circuit, Over Current

Communication

Bluetooth

®

(Use with Go Power! Connect app)

GP-PWM-30-UL

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7

2.0 IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

THIS MANUAL CONTAINS IMPORTANT INSTRUCTIONS FOR MODEL

GP-PWM-30-UL THAT SHOULD BE FOLLOWED DURING

INSTALLATION AND MAINTENANCE OF THE CHARGE

CONTROLLER.

Disconnect all

power sources

Electricity can be very dangerous. Installation

should be performed only by a licensed

electrician or qualified personnel.

Battery and wiring

safety

Observe all safety precautions of the battery

manufacturer when handling or working

around batteries. When charging, batteries

produce hydrogen gas, which is highly

explosive.

Wiring connections

Ensure all connections are tight and secure.

Loose connections may generate sparks and

heat. Be sure to check connections one week

after installation to ensure they are still tight.

Work safely

Wear protective eyewear and appropriate

clothing during installation. Use extreme

caution when working with electricity and

when handling and working around batteries.

Observe correct

polarity

Reverse polarity of the Battery 1 terminals will

cause the controller to give a warning tone.

Reverse connection of Battery 2 terminals will

not cause an alarm. However, the controller

will not charge or display information for

Battery 2 on the LCD. The controller will not

function unless Battery 1 terminals are

connected to a battery with proper polarity.

Failure to correct this fault could damage the

controller.

Do not exceed the

GP-PWM-30-UL

max current ratings

The maximum current of the solar system is

the sum of parallel-connected PV module–

rated short circuit Currents (Isc) multiplied by

1.25. The resulting system current is not to

exceed 37.5A. If your solar system exceeds

this value, contact your dealer for a suitable

controller alternative.

Do not exceed the

GP-PWM-30-UL

max voltage ratings

The maximum voltage of the array is the sum

of the PV module–rated open-circuit voltage of

the series connected modules multiplied by

1.25 (or by a value from NEC 690.7 provided

in Table 690.7 A). The resulting voltage is not

to exceed 35V. If your solar system exceeds

this value, contact your dealer for a suitable

controller alternative.

GP-PWM-30-UL

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8

IMPORTANTES INSTRUCTIONS DE SECURITE

CONSERVEZ CES INSTRUCTIONS

CE MANUAL CONTIENT DES INSTRUCTIONS IMPORTANTES POUR

LE MODÈLE GP-PWM-30-UL QUI DOIVENT ÊTRE SUIVIES PENDANT

L’INSTALLATION ET L’ENTRETIEN DU GP-PWM-30-UL.

Débranchez

toutes les

sources d’énergie

L’électricité peut être très dangereuse.

L’installation ne doit être effectuée que par un

électricien agréé ou du personnel qualifié.

Sécurité de la

batterie et du

câblage

Respectez toutes les consignes de sécurité du

fabricant de la batterie lorsque vous manipulez

des batteries ou que vous travaillez à proximité

de celles-ci. Lors de leur chargement, les

batteries produisent de l’hydrogène gazeux

hautement explosif.

Branchements de

câblage

Assurez-vous que tous les branchements sont

serrés et sûrs. Des branchements lâches

peuvent produire des étincelles et de la chaleur.

Vérifiez tous les branchements une semaine

après l’installation pour vous assurer qu’ils sont

toujours serrés.

Travaillez en

toute sécurité

Lors de l’installation, portez des lunettes de

protection et des vêtements adaptés. Faites

preuve d’une grande prudence lorsque vous

travaillez avec du matériel électrique et lorsque

vous manipulez des batteries ou que vous

travaillez à proximité de celles-ci.

Respectez la

polarité correcte

Une polarité inversée des bornes de la batterie 1

provoquera un signal sonore du régulateur. Une

polarité inversée de la batterie 2 ne provoquera

pas d’alarme. Cependant, le régulateur ne

chargera pas et n’affichera pas d’informations

relatives à la batterie 2 sur l’écran CL. Le

régulateur ne fonctionnera que si ses bornes

batterie 1 sont connectées à une batterie avec la

polarité appropriée. Si ce défaut n’est pas

corrigé, le régulateur risque d’être endommagé.

Ne dépassez pas

le courant

nominal

maximum du GP-

PWM-30-UL

Le courant maximum du système solaire est la

somme des courants de court-circuit (Isc) des

modules PV connectés en parallèle, multipliée

par 1,25. Le courant du système qui en résulte

ne doit pas excéder 37,5 A. Si votre système

solaire dépasse cette valeur, veuillez contacter

votre revendeur pour obtenir un régulateur plus

approprié.

GP-PWM-30-UL

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9

Ne dépassez pas

la tension

nominale

maximum du GP-

PWM-30-UL

La tension maximum des panneaux est la

somme de la tension à vide du module PV des

modules connectés en série, multipliée par 1,25

(ou par une valeur de l’article 690.7 du Code

National Électrique fournie dans le tableau 690.7

A). La tension qui en résulte ne doit pas excéder

35 V. Si votre système solaire dépasse cette

valeur, veuillez contacter votre revendeur pour

obtenir un régulateur plus approprié.

3.0 Tools and Materials Needed

• Flathead Screwdriver (for wire terminals)

• Philips Screwdriver (for mounting screws)

If the GP-PWM-30-UL Controller was purchased with a Go

Power! RV Solar Power Kit, then UV resistant wire is included.

For instructions regarding the Go Power! RV Solar Power Kit

installation, please refer to the Installation Guide provided with the Kit.

4.0 Choosing a Location

The GP-PWM-30-UL is designed to be mounted flush against a wall, out of the

way but easily visible.

The GP-PWM-30-UL should be:

• Mounted as close to battery bank 1 as possible

• Mounted on a vertical surface to optimize cooling of the unit

• Indoors, protected from the weather

In an RV, the most common controller location is above the refrigerator. The wire

from the solar array most commonly enters the RV through the fridge vent on the

roof or by using the Go Power! Cable Entry Plate (sold separately) that allows

installers to run wires through any part of the roof. PV connections should

connect directly to the controller. Positive and negative battery connections must

connect directly from the controller to the batteries. Use of a positive or negative

distribution bus is allowed between the controller and battery as long as it is

properly sized, electrically safe and an adequate wire size is maintained.

5.0 Choosing a Battery

The GP-PWM-30-UL is suitable for use with lead acid batteries (vented, GEL, or

AGM type) as well as some lithium iron phosphate (LiFePO

4

) batteries that are

supplied with a Battery Management System (BMS). If using lithium ion, it must

be lithium iron phosphate (LiFePO

4

) chemistry with a BMS. No other chemistries

are compatible.

GP-PWM-30-UL

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10

Lithium batteries typically have maximum allowed charge currents. These

maximums typically decrease in cold temperatures. GP-PWM-30-UL does not

limit current for these restrictions, and system design of the solar array must

account for this.

Be sure to follow all battery manufacturer safety instructions.

6.0 Installation Instructions

1. Prepare for mounting. Use the template provided on page 35 to mark

the four mounting holes and the cutting line for flush mounting your

controller.

2. Complete the installation of the solar modules. If this GP-PWM-30-

UL was purchased as part of a Go Power! Solar Power Kit follow the

Installation Guide provided. Otherwise, follow manufacturer’s

instructions for solar module mounting and wiring.

Do not exceed the

GP-PWM-30-UL

max current ratings

The maximum current of the solar system is

the sum of parallel-connected PV module–

rated short circuit Currents (Isc) multiplied by

1.25. The resulting system current is not to

exceed 37.5A. If your solar system exceeds

this value, contact your dealer for a suitable

controller alternative.

Do not exceed the

GP-PWM-30-UL

max voltage ratings

The maximum voltage of the array is the sum

of the PV module–rated open-circuit voltage of

the series connected modules multiplied by

1.25 (or by a value from NEC 690.7 provided

in Table 690.7 A). The resulting voltage is not

to exceed 35V. If your solar system exceeds

this value, contact your dealer for a suitable

controller alternative.

Ne dépassez pas le

courant nominal

maximum du GP-

PWM-30-UL

Le courant maximum du système solaire est

la somme des courants de court-circuit (Isc)

des modules PV connectés en parallèle,

multipliée par 1,25. Le courant du système qui

en résulte ne doit pas excéder 37,5 A. Si votre

système solaire dépasse cette valeur, veuillez

contacter votre revendeur pour obtenir un

régulateur plus approprié.

Ne dépassez pas la

tension nominale

maximum du GP-

PWM-30-UL

La tension maximum des panneaux est la

somme de la tension à vide du module PV

des modules connectés en série, multipliée

par 1,25 (ou par une valeur de l’article 690.7

du Code National Électrique fournie dans le

tableau 690.7 A). La tension qui en résulte ne

doit pas excéder 35 V. Si votre système

solaire dépasse cette valeur, veuillez

contacter votre revendeur pour obtenir un

régulateur plus approprié.

GP-PWM-30-UL

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11

3. Select wire type and gauge. If this GP-PWM-30-UL was purchased as

part of a Go Power! Solar Power Kit, appropriate wire type, gauge and

length is provided. Please continue to Section 8, “Operating

Instructions.” If the GP-PWM-30-UL was purchased separately, follow

the instructions included here.

Wire type is recommended to be a stranded copper UV resistant wire. Wire

fatigue and the likelihood of a loose connection are greatly reduced in stranded

wire compared to solid wire. Wire gauge should be able to sustain rated current

as well as minimize voltage drop.

Wire Strip Gauge

You will find a strip gauge diagram

on the back of the GP-PWM-30-UL,

which helps you to strip your wires to

the correct length. Insert wire into the

concave slot of the strip gauge until it

meets the back of the Strip Gauge

slot. Mark the length of wire from the

back of the Strip Gauge slot to the

edge of the controller with a pen or

your finger and strip all wires to be connected to the controller to this length.

Suggested Minimum Wire Gauge

(Cable length 25 ft. max. from solar array to battery bank)

Wire Type Wire size min (AWG) Wire size Max (AWG)

Copper Only, 90°C AWG 10 AWG 4

IMPORTANT: Identify the polarity (positive and negative) on the cable used for

the battery and solar module. Use colored wires or mark the wire ends with tags.

Although the GP-PWM-30-UL is protected, a reverse polarity contact may

damage the unit.

Wiring the GP-PWM-30-UL. Wire the GP-PWM-30-UL according to the wiring

schematic in Section 7. Run wires from the solar array and the batteries to the

location of the GP-PWM-30-UL. Keep the solar array covered with an opaque

material until all wiring is completed.

IMPORTANT: All wiring must be in accordance to National Electrical Code,

ANSI/NFPA 70.

4. Connect the battery wiring to the controller first and then connect the

battery wiring to the battery.

5. Torque all terminal screws per the following:

GP-PWM-30-UL

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12

Stranded Copper 90°C Wire

Wire Size AWG

Rated Torque (in-lbs)

10

20

8

25

6

35

4

35

With battery power attached, the controller should power up and display

information. Connect the solar wiring to the controller and remove the opaque

material from the solar array. The negative solar array and battery wiring must be

connected directly to the controller for proper operation. Do not connect the

negative solar array or negative battery controller wiring to the chassis of the

vehicle.

6. Mounting the GP-PWM-30-UL. Mount the GP-PWM-30-UL to the wall

using the included four mounting screws.

IMPORTANT: You must set the battery type on the GP-PWM-30-UL before you

begin to use the controller. The default battery setting is for AGM batteries.

Congratulations, your GP-PWM-30-UL should now be operational. If the battery

power is low and the solar array is producing power, your battery should begin to

charge.

7. Re-torque: After 30 days of operation, re-torque all terminal screws to

ensure the wires are properly secured to the controller

WARNING: This unit is not provided with a GFDI device. This charge

controller must be used with an external GFDI device as required by

Article 690 of the National Electric Code for the installation location.

AVERTISSEMENT : Cet appareil n’est pas équipé d’un détecteur de

défaut de terre. Ce régulateur de charge doit être utilisé avec un

détecteur de défaut de terre comme l’exige l’article 690 du Code

National Électrique pour l’emplacement de l’installation.

7.0 Wiring Diagram

The GP-PWM-30-UL Maximum 37.5A rating is based on a 30-amp total

maximum short circuit current rating (Isc) from the solar modules nameplate

ratings. The National Electric Code specifies the PV equipment/system rating to

be 125% of the maximum Isc from the PV module ratings (1.25 times 30 =

37.5A). E.G. Three modules in parallel with an Isc of 7 amps each equal a total

Isc input of 21 amps. When selecting PV modules for use with the GP-PWM-30-

UL do not exceed a total nameplate Isc current of 30A. Solar modules list the Isc

amps on their nameplate label.

GP-PWM-30-UL

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13

7.1 Charging Only One Battery

Use the following wiring diagram if you are using the GP-PWM-30-UL to charge

only one battery. Connect your battery to the battery 1 terminals on the solar

controller.

The controller will not work unless there is a battery connected

to the Battery 1 terminals.

WARNING: When the photovoltaic (solar) array is exposed to light, it

supplies a dc voltage to this equipment.

AVERTISSEMENT: Lorsque le panneau photovoltaïque (solaire) est

exposé à la lumière, il fournit une tension cc à cet équipement.

7.2 Charging Two Batteries

Use the following wiring diagram if you are using the GP-PWM-30-UL to charge

two separate battery banks. Connect battery bank 1 to the battery 1 terminals

and battery bank 2 to the battery 2 terminals on the back of the solar controller.

IMPORTANT: Ensure your primary/permanent battery (house bank) is

connected to the battery 1 terminals. Connect your secondary battery to battery 2

terminals only. Your permanent battery (battery 1) will receive the full current

first. Once battery 1 is fully charged, current will be available to charge battery 2.

The controller will not work unless there is a battery connected

to the battery 1 terminals.

The fuse or

breaker used

should be no larger

than 50 amps

GP-PWM-30-UL

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14

WARNING: When the photovoltaic (solar) array is exposed to light, it

supplies a dc voltage to this equipment

AVERTISSEMENT : Lorsque le panneau photovoltaïque (solaire) est

exposé à la lumière, il fournit une tension cc à cet équipement.

8.0 Operating Instructions

8.1 Power Up

When the GP-PWM-30-UL is connected to

the battery, the controller will go into

Power Up mode.

Icons Displayed: All segments of the

numerical display; Backlight blinks

Depending on the battery voltage when

the GP-PWM-30-UL Power Up occurs, the

controller may do a Boost Charge or

quickly go into Float Charge. The Charging Profile selected will commence the

following day after a Power Up (refer to the Charging Profile Chart on page 17-18

for more details).

The fuses or breakers used should be no larger than 50 amps.

GP-PWM-30-UL

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15

8.2 Setting the Battery Type and Charging Profile

Setting Battery 1

To set the battery type for

battery bank 1, hold the B

Button for 3 seconds. When

the display shows a blinking

number 1, release the B

Button.

Next, select the charging

profile of battery bank 1 by

pressing the B Button to

toggle through the profile

options: Sealed/Gel, AGM,

Flooded, or LFP.

To confirm the battery

profile, press and hold the A

Button for 3 seconds.

Setting Battery 2

If you have a second battery

bank connected, the

controller will immediately

prompt you to set the battery

type for Battery 2 with a

blinking number 2.

If there is not a second battery bank connected to the controller,

or if the second battery bank is connected with reverse polarity,

the controller will not prompt you to select battery type for

Battery 2, and no status information will be displayed on the LCD screen.

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

GP-PWM-30-UL Solar Controller

GP-PWM-30-UL SOLAR CONTROLLER

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

GP-PWM-30-UL

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16

To select the charging

profile of battery bank 2,

press the B Button to

toggle through the profile

options: Sealed/Gel, AGM,

Flooded, or LFP.

To confirm the battery

profile, press and hold the A

Button for 3 seconds.

Non-volatile memory: Any

settings made on the GP-PWM-30-UL will be saved even when the power has

been disconnected from the controller.

8.3 Battery Charging Profile Chart

Auto Equalize: The GP-PWM-30-UL 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 only available when Flooded batteries are

selected.

Battery Type SEALED AGM FLOODED LFP

Float Charge at 25°C:

13.7 VDC

N/A

Bulk/Absorption Charge at 25°C:

Set to 30 minutes every morning.

Applied for 2 hours if the battery

voltage drops below 12.3 volts.

14.1 VDC

14.4 VDC

N/A

Equalization Charge at 25°C:

Applied for 2 hours every 28 days

and if the battery voltage drops

below 12.1 volts.

N/A N/A 14.9

VDC

N/A

Absorption Charge voltage for

LiFePO

4

:

Set to 30 minutes every morning.

N/A 14.4 VDC

Float Charge voltage for LiFePO

4

:

N/A

14.0 VDC

Temperature Compensation:

-24mV/K

None

If a charging cycle is unable to complete in a single day, it will continue the following day.

The terms SEALED/GEL, AGM, FLOODED, and LFP are generic battery designations.

Choose the charging profile that works best with your battery manufacturer’s

recommendations.

GP-PWM-30-UL SOLAR CONTROLLER

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

GP-PWM-30-UL

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17

8.4 Maximum Power Boost Technology™

Maximum Power Boost Technology™ (MPBT) allows you to override the normal

charging algorithm of the solar controller. MPBT is designed to be used before

the end of the day, if you know you will require many loads through the night.

This feature can also be used when you have just installed the solar controller, to

put batteries on a boost charge up to 14.4 VDC (Flooded, AGM and LFP) (14.1

VDC for Sealed/Gel) right away.

To activate, hold the MAX

BOOST Button for 3 seconds.

As long as there is full sunlight

present, your battery voltage

will be boosted (to 14.4 VDC

for Flooded, AGM and LFP;

and 14.1 VDC for

SEALED/GEL) for 30 minutes

regardless of the battery’s

state of charge.

Icons Displayed: BOOST; Battery Symbol

In older controllers, the BOOST text icon will remain on until the controller can

maintain a Boost charge voltage for 30 cumulative minutes. In newer controllers,

the BOOST text icon will only appear while the controller is maintaining a Boost

charge voltage.

IMPORTANT: Do not use the Maximum Power Boost function more than twice a

day as it could damage your lead acid batteries due to gassing. Sustained high

voltages decrease lithium battery lifespan.

If sunlight is insufficient or not available, completing Max Power

Boost may take much longer than 30 minutes from the time of

the button press. Max Power Boost and the BOOST icon cannot

be turned off by pressing the Max BOOST button.

8.5 Viewing the Controller Display Information

GP-PWM-30-UL has two

modes to watch the display

information, manual and auto

scroll.

You can change between the

two modes by holding down

the A Button for 3 seconds.

GP-PWM-30-UL Solar Controller

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

GP-PWM-30-UL

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Mode 1: Manually Scroll Through Display Information

Battery 1 Status Values

To toggle between Battery

Voltage, Charging Current and

Battery State of Charge (SOC)

for Battery 1 and 2, press the B

Button.

Push the B Button to show the

voltage for Battery 1.

Icons Displayed: Battery SOC,

Volt Symbol (V), Symbol 1

Push the B Button to show the

PV charging current for battery

1. The GP-PWM-30-UL will

begin to limit the current as

Battery 1 reaches a full charge.

The current that is not used for

Battery 1, is used to charge

Battery 2.

Icons Displayed: Arrow,

Ampere Symbol (A), Battery

SOC, Symbol 1

The battery state of charge is

shown as a percentage.

Icons Displayed: Battery SOC,

Percent Symbol (%), Symbol 1

A value of 100% will only be

displayed after a Boost or

Equalize charge completes.

Battery 2 Status Values

Push the B Button to show the

battery 2 voltage.

Icons Displayed: Battery

SOC, Volt Symbol (V),

Symbol 2

This will only be displayed if

there are two battery banks

connected and battery bank 2

is connected with correct

polarity.

GP-PWM-30-UL Solar Controller

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

GP-PWM-30-UL

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Push the B Button to show

the PV charging current for

battery 2. The GP-PWM-30-

UL will begin to limit the

current as the battery 2

reaches a full charge.

Icons Displayed: Arrow,

Ampere Symbol, Battery SOC,

Symbol 2

The battery state of charge is

shown as a percentage.

Icons Displayed: Battery

SOC, Percent Symbol (%),

Symbol 2

Mode 2: Automatically Change Display Information

You can select the auto mode by holding down the A Button for 3 seconds.

The display shows the same information as in Mode 1 but changes the display

automatically every 8 seconds between following information:

Battery 1: Voltage; PV Charging Current; Battery State of Charge (SOC)

Battery 2: Voltage; PV Charging Current; Battery State of Charge (SOC)

If Battery 2 is not connected, the Controller changes only the information for

Battery 1.

8.6 Resetting the Ampere Hours Charged

To reset the count of ampere

hours charged, use the Go

Power! Connect app

(Bluetooth

®

enabled version

only).

GP-PWM-30-UL Solar Controller

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

GP-PWM-30-UL

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20

8.7 Errors

Over Voltage

If the GP-PWM-30-UL

experiences a battery over

voltage (>15.5 VDC) on

battery bank 1, the controller

will stop operating, and the

display will begin to flash with

all icons. The controller will

resume operating when the

voltage drops to a normal level

<15.5 VDC.

Icons Displayed: All symbols

The controller does not display over voltage on battery 2.

Low Voltage

Low battery 1: If the SOC of

battery bank 1 reaches 0%,

the battery SOC symbol will

show the text “LOW” beneath

it. The controller will continue

operating in this condition and

will only stop operating if the

voltage of Battery 1 drops

below 9.0 VDC.

Low battery 2: If there are

two battery banks connected

and the SOC of battery bank 2

reaches 0%, the battery SOC

symbol will show the text

“LOW” beneath it. The

controller will continue

operating in this condition and

will only stop operating if the

voltage of Battery 1 drops

below 9.0 VDC (this is

because the GP-PWM-30-UL

is powered by Battery 1).

Icons Displayed: Battery SOC Symbol, LOW, Symbol 1 or 2

GP-PWM-30-UL Solar Controller

GP-PWM-30-UL Solar Controller with Bluetooth® Wireless Technology

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