MidNite Solar MNBE-A Instructions Manual

Small battery box

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The MidNite MNBE-A is designed for those applications where a small battery bank is required.
This enclosure is listed for indoor use. It can hold two group 31 batteries per shelf end to end or three side by
side, or one 8D per shelf. Group 31 batteries are typically 105 amp hours at 12v.

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS - These instructions contain important safety and operating instructions for
the MidNite Solar Battery Enclosure Size A for residential and commercial applications.
If you do not fully understand any of the concepts, terminology, or hazards outlined in these instructions,
please refer installation to a qualified dealer, electrician or installer. These instructions are not meant to be a
complete explanation of a renewable energy system.

GENERAL PRECAUTIONS

WORKING WITH OR IN THE VICINITY OF A LEAD ACID BATTERY, SEALED OR VENTED IS
DANGEROUS. VENTED BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL
OPERATION. FOR THIS REASON, IT IS VERY IMPORTANT THAT BEFORE SERVICING
EQUIPMENT IN THE VICINITY OF LEAD-ACID BATTERIES YOU REVIEW AND FOLLOW THESE
INSTRUCTIONS CAREFULLY.
If service or repair should become necessary, contact MidNite Solar Inc. Improper servicing may result in a
risk of shock, fire or explosion. To reduce these risks, disconnect all wiring before attempting any
14000 Burn Rd
Arlington, WA 98223
USA
Ph (425)374-9060
Small Battery Box Instructions
www.midnitesolar.com
Model MNBE-A
Rev: A Page 1 of 6

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Summary of Contents for MidNite Solar MNBE-A

  • Page 1 EQUIPMENT IN THE VICINITY OF LEAD-ACID BATTERIES YOU REVIEW AND FOLLOW THESE INSTRUCTIONS CAREFULLY. If service or repair should become necessary, contact MidNite Solar Inc. Improper servicing may result in a risk of shock, fire or explosion. To reduce these risks, disconnect all wiring before attempting any...
  • Page 2 Small Battery Box Instructions maintenance or cleaning. Turning off the inverter will not reduce these risks. Solar modules produce power when exposed to light. When it is not possible to disconnect the power coming from the Photovoltaics by an external means such as a combiner, cover the modules with an opaque material before servicing any connected equipment.
  • Page 3 Small Battery Box Instructions Lock Some screws enlarged Badge to show detail #10 Hex head (18) #6 Flathead Hinge (15) 3 spare Hole plug #10 Flathead (8) Screw Handle Washer Lock Body Hardware Identification Rev: A Page 3 of 6...
  • Page 4 Secure top to sides using four #10 X 3/8” Hex Head sheet metal screws. The large knockout goes towards the rear of the battery box. The MNBE-A is listed for use indoors, however if the installation is to be made outside, the inside corner seams of the top should be sealed up using 100% silicone sealant available from your local hardware store.
  • Page 5 Slots are provided at the ends of the shelves for strapping batteries to the shelves. You will need to run strapping for the bottom shelf prior to final positioning of the enclosure. Strapping is not supplied as part of the MNBE-A kit.
  • Page 6 Small Battery Box Instructions Common battery wiring configurations. 24 Volt system with four 12 volt batteries. 24 VOLT This is a series parallel setup with two INVERTER SHUNT batteries in series paralleled with two more 175A batteries in series. BATTERY BATTERY NEGATIVE POSITIVE...

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