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EG4 BOSSBOX User Manual

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E G 4
B O S S B O X
®
U S E R M A N U A L
©2025 EG4
®
ELECTRONICS, LLC. ALL RIGHTS RESERVED.
VERSION 1.0 | INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE.
MODEL #: BB-PP-280A-BD-AW-00

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  • Page 1 E G 4 B O S S B O X ® U S E R M A N U A L ©2025 EG4 ® ELECTRONICS, LLC. ALL RIGHTS RESERVED. VERSION 1.0 | INFORMATION SUBJECT TO CHANGE WITHOUT NOTICE. MODEL #: BB-PP-280A-BD-AW-00...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS TECHNICAL SPECIFICATIONS ..........................1 ABBREVIATIONS ..............................2 INVERTER SAFETY ..............................3 SAFETY INSTRUCTIONS ..........................3 IMPORTANT SAFETY NOTIFICATIONS ....................3 SÉCURITÉ DE L'ONDULEUR ..........................5 INSTRUCTIONS DE SÉCURITÉ ........................5 NOTIFICATIONS DE SÉCURITÉ IMPORTANTES ..................5 BATTERY SAFETY ..............................7 SAFETY INSTRUCTIONS ..........................

  • Page 3: Technical Specifications

    ***Only WallMount All Weather batteries with adjustable feet are supported. Adjustable feet are required to support the weight of the battery to avoid damage to the battery bracket, battery, and attachment points. ****For information regarding warranty registration on EG4 ®...

  • Page 4: Abbreviations

    2. ABBREVIATIONS In-lbs. – Inch Pounds • • AWG – American Wire Gauge kW – Kilowatt • A – Amps • kWh – Kilowatt-hour • Ah – Amp hour(s) • LCD – Liquid Crystal Display • AC – Alternating Current •...

  • Page 5: Inverter Safety

    3. INVERTER SAFETY 3.1 SAFETY INSTRUCTIONS International safety regulations have been strictly observed in the design and testing of the inverter. Before beginning any work, carefully read all safety instructions, and always observe them when working on or with the inverter. The installation must follow all applicable national or local standards and regulations.
  • Page 6 WARNING: TO REDUCE THE RISK OF INJURY, READ ALL INSTRUCTIONS! All work on this product (system design, installation, operation, setting, configuration, and maintenance) must be carried out by qualified personnel. To reduce the risk of electric shock, do not perform any servicing other than those specified in the operating instructions unless qualified to do so.

  • Page 7: Sécurité De L'onduleur

    4. SÉCURITÉ DE L'ONDULEUR 4.1 INSTRUCTIONS DE SÉCURITÉ Les réglementations internationales de sécurité ont été strictement observées lors de la conception et des tests de l'onduleur. Avant de commencer tout travail, lisez attentivement toutes les instructions de sécurité et respectez-les toujours lorsque vous travaillez sur ou avec l'onduleur. L'installation doit suivre toutes les normes et réglementations nationales ou locales applicables.
  • Page 8 AVERTISSEMENT : POUR RÉDUIRE LE RISQUE DE BLESSURE, LISEZ TOUTES LES INSTRUCTIONS ! Tous les travaux sur ce produit (conception du système, installation, exploitation, réglage, configuration et maintenance) doivent être effectués par du personnel qualifié. Pour réduire le risque de choc électrique, ne réalisez aucun entretien autre que ceux spécifiés dans les instructions de fonctionnement, sauf si vous êtes qualifié...

  • Page 9: Battery Safety

    5. BATTERY SAFETY 5.1 SAFETY INSTRUCTIONS Before any work begins, carefully read all safety instructions, and always observe them when working on or with the battery. The installation must follow all applicable national or local standards and regulations. Consult with the local AHJ and/or utility to obtain the proper permits and permissions before installation.
  • Page 10 WARNING: TO REDUCE THE RISK OF INJURY, READ ALL INSTRUCTIONS! All work on this product (system design, installation, operation, setting, configuration, and maintenance) must be carried out by qualified personnel. To reduce the risk of electric shock, do not perform any servicing other than those specified in the operating instructions unless qualified to do so.

  • Page 11: Sécurité De La Batterie

    6. SÉCURITÉ DE LA BATTERIE 6.1 CONSIGNES DE SÉCURITÉ Avant de commencer tout travail, lisez attentivement toutes les consignes de sécurité et respectez- les toujours lorsque vous travaillez sur ou avec la batterie. L'installation doit être conforme à toutes les normes et réglementations nationales ou locales applicables. Consultez l'autorité compétente locale et/ou le service public pour obtenir les permis et les autorisations appropriés avant l'installation.
  • Page 12 AVERTISSEMENT : Pour réduire le risque de blessure, lisez toutes les instructions ! Tous les travaux sur ce produit (conception du système, installation, fonctionnement, réglage, configuration et maintenance) doivent être effectués par du personnel qualifié. Pour réduire le risque d'électrocution, n'effectuez aucun entretien autre que ceux spécifiés dans le mode d'emploi, à...

  • Page 13: Product Overview

    7.1 PACKING LIST The BOSSBox will ship on a pallet with the items in the packing list. The individual components are labeled in the image below, followed by the packing list on the next page. Contact the distributor if...
  • Page 14 NAME IMAGE NOTE Base Cabinet base Outer wall Cabinet outer wall Inner wall Cabinet inner wall Top frame Cabinet top frame Top cover Cabinet top cover Left door panel Cabinet left door Right door panel Cabinet right door Installed on left doors to work with handle assembly Lock catch to secure the doors in the...
  • Page 15 Hexagonal cross recess Used with air intake cover combination screws - M4*10 and doorstop Hexagonal cross recess Used with the lock combination screws - M4*12 assembly Hexagonal cross recess Used with battery wall combination screws - mount brackets M10*25 Phillips head screws - M6*16 Use with top cover Used with inverter main M8*16 bolts...

  • Page 16: Dimensions

    7.2 DIMENSIONS 29.63 in. (848.5 mm) 44.96 in. (1142 mm) 32.11 in. (815.5 mm) 48.03 in. (1220 mm)
  • Page 17 U.S. NOMINAL LOCATION INCH LOCATION ACTUAL SIZE TRADE SIZE 2.95 2 in. 2.48 in. (63 mm) 5.67 1 1/2 in. 1.99 in. (50.5 mm) 2.25 3/4 in. 1.12 in. (28.5 mm) 3.07 3.35 8.98 2.95...

  • Page 18: Battery Placement & Cabling

    This section describes where to place the equipment inside and outside the BOSSBox. The BOSSBox includes one BOSSBox cable kit, as shown in the table below. Additional cables must be purchased separately when adding a second inverter or more than one battery. Use this section to reference the suggested cable kits (shown below).
  • Page 19 1 Inverter + 2 Batteries Required Cables: • 72 in. (1829 mm) battery “-” to inverter “-” black cable (qty: 2)* Supported Inverters: • 72 in. (1829 mm) battery “+” to inverter “+” red cable (qty: 2)* 24 in. (610 mm) battery “-” to battery “-” black cable (qty: 1)* 12kPV •...
  • Page 20 Required Cables: 1 Inverter + 3 Batteries • 72 in. (1829 mm) battery “-” to inverter “-” black cable (qty: 2)* • 72 in. (1829 mm) battery “+” to inverter “+” red cable (qty: 2)* Supported Inverters: 24 in. (610 mm) battery “-” to battery “-” black cable (qty: 2)* •...
  • Page 21 Required Cables: 2 Inverters + 2 Batteries • 72 in. (1829 mm) battery “-” to inverter “-” black cable (qty: 4) • 72 in. (1829 mm) battery “+” to battery “+” red cable (qty: 4) Supported Inverters: 24 in. (610 mm) battery “-” to inverter “-” black cable (qty: 1) •...
  • Page 22 Required Cables: 2 Inverters + 3 Batteries • 72 in. (1829 mm) battery “-” to inverter “-” black cable (qty: 4)* 72 in. (1829 mm) battery “+” to inverter “+” red cable (qty: 4)* • Supported Inverters: 24 in. (610 mm) battery “-” to battery “-” black cable (qty: 2)* •...

  • Page 23: General Installation

    To reduce the risk of injury, read all instructions! The assembly process requires working with heavy pieces, and the metal may contain sharp edges. It is highly recommended that at least two individuals be available to assemble the BOSSBox and install the batteries and inverters. Always wear the proper personal protective equipment (PPE) to avoid injury.

  • Page 24: Location Requirements

    (Refer to the inverter user manual for more information.) • Do not install in marine environments. If BOSSBox is installed in a floodplain, ensure that the installation location is elevated above • the expected flood level to ensure it remains dry during flooding. Always consult flood zone maps and local building codes to determine the appropriate elevation installation.
  • Page 25 Recommended: 36 in. (914mm) Image 8.2 *For single inverter installations, a minimum of 6 in. from wall on the non-inverter side is required to access the rear anchor bolt. Local guidelines for spacing may supersede EG4 recommended spacing requirements. ®...

  • Page 26: Cabinet, Batteries, & Inverters

    8.2 CABINET, BATTERIES, & INVERTERS Complete the steps outlined in this section to assemble the BOSSBox cabinet. The image below refers to the cabinet's front, left, and right sides. The doors that include the air intakes are referenced as the front of the cabinet, while the back doors do not use air intakes. The left door is also slightly wider than the right door.
  • Page 27 2. Install the two inner walls. The inner covering is installed on one Required Components: side, but all the screw holes are in identical locations, allowing the • Inner wall (qty: 2) walls to be installed in any direction. Attach each inner wall to the M6x16 screws (qty: 8) •...
  • Page 28 3. Install the two outer walls. The walls are identical and can be placed Required Components: at either end of the base. Use four screws inside and four outside • Outer wall (qty: 2) each outer wall, as shown in the images below. When inserting the M6x16 screws (qty: 4) •...
  • Page 29 M10x25 screws are included with Battery mounting brackets (qty: 1 – 3) • the BOSSBox. Verify that each battery bracket faces the (included with the battery) same direction to ensure consistent battery polarity, which supports proper cabling. See section 7.3 for battery placement when installing less than three batteries.
  • Page 30 6. Set the top frame in place. Then, install the middle column Required Components: brackets and screw each attachment point in place, as shown in Top frame • the second image. Torque each M6 screw to 54 in-lbs. (6Nm). Top frame brackets (qty: 4) •...
  • Page 31 There are two versions of the Wallmount AW battery. Only the battery with the adjustable feet is supported with BOSSBox. The battery with non-adjustable feet cannot be adjusted to support the weight of the battery and could cause damage to the mounting bracket and the BOSSBox.
  • Page 32 8. Remove the black rubber plugs and install the Required Components: inverter brackets with the provided M8x16 bolts. Inverter (qty: 1 – 2) • Ensure the bracket is centered on the outer wall. Inverter wall mount brackets (qty: 1 – 2) •...
  • Page 33 Use the included M8x16 bolts to attach the L-bracket to L-bracket inverter screws (qty 4 – 8) • the BOSSBox outer wall. Torque each M8 bolt to 138 inverter) included with the in-lbs. (15Nm). L-bracket M8x16 bolts (qty: 2 – 4) •...
  • Page 34 11. Route the battery and communication cables as described in section 7.3 based on the inverter and battery quantity installed. 12. Verify that the six latches of the top frame are in the down position. Required Components: Next, set the top cover in place and install the four M6x16 screws, one Cabinet Top •...
  • Page 35 13. Install the doorstop on each side of the cabinet. The bracket should Required Components: be installed with the flat side of the bracket towards the doors and • Doorstop (qty: 2) the screw holes to the inside of the cabinet. Torque each M4 screw to M4x10 screws (qty: 4) •...
  • Page 36 15. Use the two M4 flange nuts to install the lock catch inside the front Required Components: and back left door panels. Torque each M4 nut to 14 in-lbs. (1.5Nm). Lock catch (qty: 2) • • M4 flange nuts (qty: 4) Inside view M4 Flange Nut (x2) 16.
  • Page 37 17. Install the lock assembly in the right door panels using the M4x12 Required Components: screws and M4 flange nuts, as shown in the callout image below. Lock assembly (qty: 2) • Torque each M4 nut to 14 in-lbs. (1.5Nm). •...

  • Page 38: Maintenance

    19. Complete the installation by installing the AC output cables, AC input cables, solar panel input cables, and any other required cabling using the applicable EG4 manuals, which are linked below. FlexBOSS18 FlexBOSS21 18kPV WallMount AW 12kPV Inverter Inverter Inverter...

  • Page 39: Changelog

    10. CHANGELOG V1.0 Published user manual •...
  • Page 40 NOTES...
  • Page 41 CONTACT US support@eg4electronics.com (903) 609-1988 www.eg4electronics.com...

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