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12.2
Working with batteries
Using batteries in a wrong way may result in danger for personnel, animals or the environment. Check information
from battery manufacturer for safe installation and operation.
If battery acid contacts skin or clothing, wash immediately with soap and water. If acid contacts eyes, immediately
flush with running cold water for at least 20 minutes and get medical attention as soon as possible.
Never smoke or allow a spark or flame in vicinity of batteries.
Do not drop metal tools on batteries. The resulting spark or short circuit may cause an explosion.
Remove personal metal items such as rings, bracelets, necklaces and watches when working with batteries.
13 Planning and mounting the inverter
This section will provide you information's about configuring and installing your inverter. Make sure that you are
aware of local rules and safety measurements.
13.1
Required power draw
Before connecting your appliances to the inverter, always check the power draw required. The inverter is afforda-
ble to supply surge power for a short time, so as to start up electrical equipment such as pumps, motors, etc.
Some equipment needs more power while starting up.
The inverter is protected against overload and will switch off automatically when overload is applied. As ambient
temperature is above 20°C the inverters nominal power may be smaller due to reduced cooling.
Using the inverter in high altitudes may also reduce nominal power of the inverter because of less heat discharge.
As a rule of thumb, the reduction of nominal power is approximately 1.5% per 100m elevation.
13.2
Installation
These units must be only installed by qualified, authorized and trained personnel familiar with the locally
applicable standards and taking into consideration all relevant safety guidelines and measures!
Before installing the unit check for correct DC-Voltage and power level of the inverter.
The Inverter may be installed in any position. Install the inverter in a dry, well ventilated and dust free location. It
must be installed out of reach for unauthorized personnel especially children's. Do not install the inverter in the
same compartment as the batteries.
Never use or install the inverter in locations where there is gas or explosive danger!
For proper cooling of the Inverter ensure that the airflow is not obstructed and keep a clearance distance of 2.5cm
to other units. If the inverter is installed in a closed compartment the nominal power may be reduced.
In order to keep the battery cables as short as possible (max. 3m) locate the inverter close to the DC-Distribution
or Battery. Be aware that during charging of batteries an explosive gas can be generated.
13.3
DC-Wiring
Position of the switch on the front panel must be OFF.
Caution! First connect the assembled DC-Cables with the inverter and in a second step connect it with the bat-
tery! Always connect first the neutral wire with the battery!
A high power fuse must be installed direct to the battery to protect the DC-Wiring. DC – current according to the
table below.
Not installing a fuse may result in melting or even burning DC-Cables in case of excessive overload or failure of
the inverter.
The way of wiring has influence on the EMC behaviour of the system. Most problems using inverter are because
of unprofessional wiring. Lay the cables in a metal duct. If this is not possible the cables should be twisted and lay
parallel to a metal bar.
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