Isolite E3-MAC Series, Installation & Operation Manual, Page: 17 / 40

5.0 BATTERY AND DC CONNECTIONS
WARNING
– Only qualified personnel that are familiar with AC and DC installation
techniques and codes (such as an electrician) should perform the Installation.
WARNING – Remove all rings, watches, and other jewelry before doing any electrical
service or installation work. Always wear protective clothing and personal protective
equipment (PPE) that is suitable such as eye protection when working near batteries.
WARNING - Batteries contain tremendous energy and can explode if short circuited.
Precautions should be taken to eliminate possible short circuits. Do not install batteries
until unit is completely mounted and secured in a permanent location with all conduit
and AC wiring connected.
5.1 Battery Inspection
Inspect the batteries for any physical damage such as cracks or any other sign of
leaking electrolyte. Batteries contain Sulfuric Acid which is highly corrosive. A leak from
a battery will cause an unsafe condition.
5.2 Battery Installation/Removal
Note - Always ensure that the DC Fuse(s) are removed before starting installation.
1. Load all the batteries onto the shelves. Ensure proper spacing between the
batteries so that Battery to Battery Jumper Bars can be installed (Step 4).
2. Connect Battery Cables that go from shelf to shelf.
3. Connect Battery Positive
4. Connect all Jumper Bars between batteries
5. Connect Battery Negative
6. Install Fuse(s) – see your model if applicable. Battery string fuses are required
when separate battery cabinets are used.
To remove the batteries, simply reverse the above steps.
5.3 DC Voltage of System
The DC string voltage for the E3-MAC Series varies by size. The required string voltage
is produced by connecting multiple 12V batteries in series. Please refer to the System
Specifications for your model in Section 8.
E3-MAC SERIES | 17