4. Installation
This product should be installed by a qualified electrician.
CAUTION – To reduce risk of injury, charge only VRLA or Li-Ion batteries. Other types of batteries may burst
causing personal injury and damage!
4.1. Location
The product must be installed in a dry and well-ventilated area, as close as possible to the batteries. There should be a clear
space of at least 10cm around the appliance for cooling.
1. Excessively high ambient temperature will result in the following:
• Reduced service life
• Reduced charging current.
• Reduced peak capacity, or shutdown of the inverter.
2. Never mount the product directly above the batteries.
For mounting see G
For safety purposes, this product should be installed in a heat-resistant environment. Prevent the presence of
e.g. chemicals, synthetic components, curtains or other textiles, etc., in the immediate vicinity.
4.2. Connection of the Battery cables
NO internal DC Fuses.
In order to fully utilize the full capacity of the product, batteries with sufficient capacity and battery cables with sufficient cross
section should be used. See table below:
12/2000/80 24/2000/50 48/2000/25
Recommended battery capacity (Ah) 350-1000 200–500 100-250
Recommended DC fuse 300A 200A 100A
Recommended cross section (mm2)
per + and - connection terminal
0 – 5 m 70mm-2 35 mm2 25 mm2
5 – 10 m 95mm2 70 mm2 50mm2
Remark: Internal resistance is the important factor when working with low capacity batteries. Please consult your supplier or the
relevant sections of our book ‘Energy Unlimited’, downloadable from our website.
Procedure
Proceed as follows to connect the battery cables:
Use a torque wrench with insulated box spanner in order to avoid shorting the battery.
Recommended torque: 12 Nm (M8 nut)
Avoid shorting the battery cables.
• Undo the two screws at the bottom of the enclosure and remove the service panel.
• Connect the battery cables: see Appendix A.
• Tighten the nuts well for minimal contact resistance.
All servicing must be undertaken by qualified personnel.
MultiPlus 2kVA 230V
Page 7 Installation
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