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MNBE-B, D, D3R, E Instructions
These instructions are for the assembly of
Battery Enclosure
Installation Instructions
Midnite Solar Battery Enclosure models
MNBE-B, MNBE-D, MNBE-D3R and
Rev: A Page 1 of 10
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MNBE-B, D, D3R, E Instructions (continued)
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS - These instructions contain important safety and operating
instructions for the MidNite Solar Battery Enclosure Size B, D, D3R and E 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 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.
Never attempt to charge a frozen battery.
When it is necessary to remove a battery, make sure that the battery bank disconnect breaker is in
the off position and that the PV breakers, grid breakers and any other sources of power to the
inverter are in the off position. Then remove the negative terminal from the battery first.
To reduce risk of battery explosion follow these instructions and those published by the battery
manufacturer as well as the manufacturer of any additional equipment used in the vicinity of the
batteries. Before installing the battery enclosure, read all instructions and cautionary markings in
or on any connected electrical equipment.
Avoid producing sparks in the vicinity of the batteries when using vented batteries. Provide
ventilation to clear the area of explosive gases. Sealed AGM and Gel batteries do not under
normal conditions create explosive gases. Be especially cautious when using metal tools.
Dropping a metal tool onto batteries can short circuit them. The resulting spark can lead to
personal injury or damage to the equipment. Provide ventilation to outdoors from the battery
compartment when installing vented batteries such as golf cart T-105 batteries. The addition of a
spill tray is also a good idea.
Clean all battery terminals. Very high currents are drawn from the batteries; even a small amount
of electrical resistance can result in overheating, poor performance, premature failure or even
fire.
Rev: A Page 2 of 10
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Fan hole cover plate 1.75”
10-32 X 3/8 Machine Screw
#10 X 3/8 Flat Head Screw
#6 X 3/8 Screw Type A 82○
#10 x 3/8” Stainless Steel
Hex head sheet metal screw
MNBE-B, D, D3R, E Instructions (continued)
Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing or eyes.
Wear complete eye and clothing protection. Always avoid touching eyes while working near
batteries. If battery acid or battery terminal corrosion contacts skin or clothing, wash
immediately with soap and water. If acid enters the eyes, immediately flood with cool running
water for at least 15 minutes and get medical attention immediately. Baking soda neutralizes
battery acid electrolyte. Keep a supply near the batteries.
Do not work alone. Someone should be in the range of your voice or close enough to come to
your aid when you work with or near electrical equipment.
Remove rings, bracelets, necklaces, watches etc. when working with batteries, photovoltaic
modules or other electrical equipment. Power from an illuminated photovoltaic array makes a
very effective arc welder with dire consequences if one of the welded pieces is on your person.
To reduce the risk of injury, connect only deep cycle lead acid type rechargeable batteries. Other
types of batteries may leak or burst, causing personal injury or damage.
Assembly Instructions
Hardware kit contents
Preparation:
You will require a #2 Philips screw driver and a 5/16” wrench to tighten screws, as well as a
slotted screw driver and hammer to remove knockouts.
Step 1:
Attach shelves to the two sides as shown below.
Use eight #10 x 3/8” sheet metal screws.
4 Screws per shelf. Bottom shelf is the floor of the unit.
Step 2:
Rev: A Page 3 of 10