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SUNFORGE LLC
2598 FORTUNE WAY • SUITE K
VISTA, CA 92081 • USA
https://sunforgellc.com
IMPORTANT SAFETY INSTRUCTIONS | SAVE THESE INSTRUCTIONS
GVB-8-WP (Boost) Manual
Waterproof Voltage Boosting Solar Charge Controllers with
Maximum Power Point Tracking
For models:
GVB-8-Pb-12V-WP:
GVB-8-Pb-24V-WP:
GVB-8-Pb-36V-WP:
GVB-8-Pb-48V-WP:
GVB-8-Li-14.2V-WP:
GVB-8-Li-28.4V-WP:
GVB-8-Li-41.7V-WP:
GVB-8-Li-42.6V-WP:
GVB-8-Li-50.0V-WP:
GVB-8-Li-54.2V-WP:
GVB-8-Li-56.8V-WP:
GVB-8-Li-58.4V-WP:
8A Input - 105 W / 210 W / 325 W / 350 W
GENASUN GVB-8-WP BOOST (ALL MODELS STARTING FROM S/N 188100) MANUAL, REVISION 7.0 | 2024
12 V Lead-Acid/AGM/Gel/Sealed/Flooded
24 V Lead-Acid/AGM/Gel/Sealed/Flooded
36 V Lead-Acid/AGM/Gel/Sealed/Flooded
48 V Lead-Acid/AGM/Gel/Sealed/Flooded
12 V (4s) Lithium Iron Phosphate
24 V (8s) Lithium Iron Phosphate
36 V (10s) Lithium Cobalt/Manganese/Nickel
36 V (12S) Lithium Iron Phosphate
36 V (12s) Lithium Cobalt/Manganese/Nickel
48 V (13s) Lithium Cobalt/Manganese/Nickel
48 V (16s) Lithium Iron Phosphate
52 V (14s) Lithium Cobalt/Manganese/Nickel
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Table of Contents
Summary of Contents for SUNFORGE Genasun GVB-8-WP Series
- Page 1 GVB-8-Li-56.8V-WP: 48 V (16s) Lithium Iron Phosphate GVB-8-Li-58.4V-WP: 52 V (14s) Lithium Cobalt/Manganese/Nickel SUNFORGE LLC 2598 FORTUNE WAY • SUITE K 8A Input - 105 W / 210 W / 325 W / 350 W VISTA, CA 92081 • USA https://sunforgellc.com...
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Page 2: Safety Instructions
Safety Instructions: This manual contains important instructions for the GVB-8-WP Boost (all versions starting from S/N 188100) solar charge controllers that shall be followed during installation and maintenance. Various models of the GVB-8-WP are available to charge different battery types as follows: •... -
Page 3: Product Certifications
LITHIUM WARNING: Use caution when working with lithium systems. Genasun Li controllers use the CC/CV charging profile indicated on the controller. CHECK the specifications of the battery pack to ensure that the CV voltage is correct. Further check that the power supplied by the solar array and Genasun controller is within the battery specified design limits. - Page 4 Installation & System Connections: • Connections should be made according to Article 690 of the National Electrical Code (NFPA 70) Note: Note: GVB-8-WP is Negative Common, "-Panel" and "-Battery" (both black cables) or the standards in force at the installation location. are interchangeble.
- Page 5 PANEL BATTERY CONNECTING THE SOLAR PANEL Connect the solar panel to the PANEL+ and PANEL- terminals. • In most applications, the panel should be connected only to the GVB-8-WP. • The LED may blink red until a battery is connected. •...
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Page 6: Status Indication
Status Indication: ERROR INDICATION Overheat: The controller’s internal temperature is too high. SETS OF 2 RED BLINKS The GVB has a MULTICOLOR Overload: The GVB-8-WP has been overloaded. RUN/CHARGE INDICATION This could be caused by changing the solar panel connections while the Standby: The battery is connected properly and ready to charge when solar controller is operating. -
Page 7: Specifications
Troubleshooting Note: The most common causes of blown fuses are: If the LED Indicator will not light, or displays an indication not listed in this manual: • Connecting the GVB-8-WP to the battery backwards; • Verify correct battery polarity; • Shorting the solar panel input while the GVB-8-WP is charging. In this case, •... - Page 8 (6) If the battery voltage drops below this point, the controller will attempt to run an absorption cycle. Otherwise, it will charge to the float voltage. Copyright © 2024 Sunforge LLC. All rights reserved. Changes are periodically made to the information herein which will be incorporated in revised editions of this publication. Sunforge may make...
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