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To thin cable or loose connections can cause dangerous overheating of cables or terminals. Always use DC ca-
bles of the correct size to avoid fire and other damage.
You may use the following recommendations for best performance of inverter:
Inverter
2000-12-230
3000-12-230
2000-24-230
3000-24-230
2000-48-230
3000-48-230
Assemble DC-Cables and to connect the cables to the terminals of the inverter.
Torque to tighten the terminal screws is 12-13 Nm.
Connect the other end of assembled DC-Cables with care to the battery/inline fuse. If possible use coloured ca-
bles. Red colour means battery positive ( + ), while black is used for battery negative ( - ). Reversing positive and
negative will cause major damage to the inverter and is not covered by warranty.
Note: Large capacitors in the units may hold DC-Voltage for a long period of time. Also a spark may occur while
connecting the DC-cables or inserting the DC-Fuse after installation. This is normal.
If you connect other consumers to the battery contact your dealer.
13.4
AC-Wiring
Use the included AC-Connector or use ring terminal to assemble AC-Cables to connect the AC-Load to the output
of inverter.
Even the inverter is protected against overload and short circuit, we recommend to use an AC-Circuit breaker of
correct size.
For safe operation it is necessary to connect earth (PE) and neutral (N) of the inverter output to central ground of
the inverter.
Even more safe is to use a 15mA or 30mA earth leakage switch in the AC-Installation.
13.5
Grounding
The earth wire protection is only possible if the inverter enclosure is also connected to earth. Use a . 8-10mm2
cable (AWG 8) and connect it to the earth terminal of the inverter. This is also important for lighting protection.
Do not operate the power inverter without connecting it to Ground.
Electrical shock hazard may result.
14 Remote control unit
The optional available remote control unit enables remote control of the inverter. The remote control unit must be
connected to the remote port (RS-232 connector) located on the rear side of the inverter. Before using the remote
control unit the main switch of the inverter must be in the "ON" position.
Manual UPSW.doc
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ACDC-DCDC
DC-Cable AWG / mm2
#3/0 / 75
#5/0 / 120
#0 / 50
#3/0 / 75
#4 / 25
#0 / 50
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Inline fuse (A)
250
400
125
200
70
100
8/15
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YOUR CONNECTION TO SAFETY
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