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Summary of Contents for MidNite Solar Barcelona Breaker Box
- Page 1 MNBCLNA BB Manual Barcelona Breaker Box Owner’s Manual 1| P a g e 1 0 - 5 6 0 - 1 R E V : -...
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Page 2: Table Of Contents
Barcelona & Breaker Box Wiring ..................12 Pre-Installed Wiring ........................13 External Wiring .......................... 15 Energizing the Barcelona Breaker Box .................. 17 Technical Drawings ......................18 Warranty ..........................23 This entire manual is printed without color but is available for download—with many of the diagrams available in color—on our website at midnitesolar.com. -
Page 3: Introduction
MNBCLNA BB Manual INTRODUCTION The Barcelona Breaker Box is a DC enclosure offering over-current protection (OCP) and disconnects between the PV array input to a charge controller, and OCP and disconnect from the charge controller to the battery bank. The Breaker Box is designed specifically for the MidNite Solar Barcelona 600V MPPT charge controller but may be used with any charge controller up to 600VDC/30A IN and 80VDC/200A OUT. -
Page 4: Safety Instructions
These instructions are not meant to be a complete explanation of a renewable energy system. Before using the Barcelona Breaker Box, read all instructions and cautionary markings. The installation instructions are for use by qualified personnel only. -
Page 5: Battery Safety
MNBCLNA BB Manual • Listed or labeled equipment shall be installed and used in accordance with any instructions included in the listing or labeling. • Over-current protection of the DC wiring must be provided as part of the system installation. •... -
Page 6: How To Kill Your Batteries
• Never smoke or allow a spark near batteries. • Never charge a frozen battery. STANDARDS The MidNite Solar Barcelona Breaker Box conforms to UL 1741, Safety for Inverters, Converters, Controllers and Interconnection System Equipment for Use with Distributed Energy Resources, UL 1741:2010 Ed.2+R:15Feb2018; CSA C22.2#107.1:2016 Ed.4. -
Page 7: Wiring Requirements
• DC wires to and from the Barcelona must be protected as required by code. This can be done by using jacketed wires or by feeding the wires through conduit or a conduit box. The Barcelona Breaker Box satisfies this requirement. • Always check for existing electrical, plumbing, or other areas of potential damage prior to making cuts in structural surfaces or walls. -
Page 8: Dc Wiring
• Wiring to battery terminals should be checked once a month for proper tightness. • Limit cable length to 6’ or less from Barcelona Breaker Box to battery bank. • The battery bank voltage MUST be 48V! Use #2/0 AWG battery cables. -
Page 9: Dc Over-Current Protection
MNBCLNA BB Manual DC Over-Current Protection • The NEC requires both over-current protection (UL489 standards) and a disconnect switch. If a circuit breaker is used as the over-current protection device, it can also be used as the required DC disconnect. •... -
Page 10: Installation
INSTALLATION Before installing, read the entire installation section to determine how you are going to install your Barcelona and Barcelona Breaker Box. The more thoroughly you plan in the beginning, the better your overall system needs will be met. The installation begins by selecting a wall. The Barcelona and Breaker Box are indoor rated and should not be placed outside unless precautions are taken to keep rain and moisture off the system. -
Page 11: Mounting Barcelona And Beaker Box Without Backplate
MNBCLNA BB Manual 5. Lay backplate on workbench; attach Barcelona to backplate, aligning the keyholes (Figure 4) to the studs on the backplate; slide down into locking position. 6. Attach Breaker Box below Barcelona, aligning keyholes. 7. Wire Barcelona to the Breaker Box now (Page 12). 8. -
Page 12: Barcelona & Breaker Box Wiring
MNBCLNA BB Manual BARCELONA & BREAKER BOX WIRING Reference Figures 5, 6, and 7 for an overview of a wired Barcelona and Breaker Box. Figure 6 Figure 5 12| P a g e 1 0 - 5 6 0 - 1 R E V : -... -
Page 13: Pre-Installed Wiring
MNBCLNA BB Manual Figure 7 Pre-Installed Wiring (Figures 8, 9, 10, & 11) PV Breaker Trip Wires (Figures 8 & 9) 1. Ensure all breakers are off (down). 2. Raise the Barcelona’s terminal block clamp levers (Figures 8 & 9, #1) marked “Breaker Trip.”... - Page 14 MNBCLNA BB Manual PV+ Wires (Figure 9) 1. Ensure all breakers are off (down). 2. Insert red PV+ breaker wire (#6) into the PV+ terminal block (#2). 3. Insert red PV+ breaker wire (#7) into the PV+ terminal block (#4). Figure 8 4.
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Page 15: External Wiring
MNBCLNA BB Manual Ground Wire (Figure 11) 1. Attach pre-installed #6 AWG ground wire (#12) to equipment ground terminal in Barcelona (#13). 2. Torque to 35 in-lbs. External Wiring (Figures 12 & 13) PV Array Wires (Figure 12) 1. Ensure all breakers are off (down). 2. - Page 16 MNBCLNA BB Manual PV SPD Wires (Figure 13) 1. Ensure all breakers are off (down). 2. Insert left PV SPD red wire to PV+ terminal block (#18). 3. Insert left PV SPD black wire to PV- terminal block (#19). 4. Insert right PV SPD black wire to PV+ terminal block (#20).
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Page 17: Energizing The Barcelona Breaker Box
MNBCLNA BB Manual ENERGIZING THE BARCELONA BREAKER BOX Read and follow the information below and the procedural steps listed by number to properly energize and test the charge controller. Step #1 – Turn OFF all breakers Step #2 – Battery •... -
Page 18: Technical Drawings
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Page 23: Warranty
Those components are warranted by the original manufacturer. At its option, MidNite Solar will repair or replace at no charge any MidNite product that proves to be defective within such warranty period. This warranty shall not apply if the MidNite Solar product has been damaged by unreasonable use, accident, negligence, service, or modification by anyone other than MidNite Solar, or by any other causes unrelated to materials and workmanship. - Page 24 MNBCLNA BB Manual DISCLAIMER Unless specifically agreed to in writing, MidNite Solar Inc.: (a) Makes no warranty as to the accuracy, sufficiency, or suitability of any technical or other information provided in its manuals or other documentation; (b) Assumes no responsibility or liability for loss or damage whether direct, indirect, consequential, or incidental, which might arise out of use of such information.
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