Kaco blueplanet 15.0 TL3 Operating Instructions Manual

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Kaco blueplanet 15.0 TL3 Operating Instructions Manual Manual pdf 23 page image

ENElectrical connectionKACO Operating Instructions blueplanet 15.0-20.0 TL3 Page 23Authorised electrician7.5 Grounding the housingDANGERDangerous voltage due to two operating voltages!Severe injuries or death may occur if the cables and terminals in the device are touched.The discharge time of the capacitors is up to 5 minutes.› Only appropriately qualified and authorised electricians may open and maintain the inverter.› Before opening the unit: Disconnect the PV generator and grid and wait at least 5 minutes.› Establish ground connection under all circumstances before connecting the supply circuit.› Make sure that the device is isolated from the public power supply and the system power supplybefore starting work.An optional grounding of the housing is possible at the grounding point provided for that purpose in the connec-tion area of the inverter. Please observe any national installation regulations in this regard.Ground the housing of the inverter, if necessary, at the grounding point provided for that purpose in the connectionfield of the inverterFigure 21: Grounding point in the connection areaGrounding the housing1. Detach cable fitting for grounding the housing.2. Remove the outer cladding from the grounding cable.3. Insert the grounding cable through the cable fitting into the connection area.4. Remove the insulation from the grounding cable.5. Furnish the stripped cable with an M4 ring cable lug.6. Screw the ring cable lug to the grounding point with an M4/TX30 screw.7. Check that the cable is secure.» Tighten the cable fitting.7.6 Upgrading the DC overvoltage protectionThe unit is fitted with a surge protection device as standard. When replacing the modules, please follow the descrip-tion in section 9.5 on page 48.NOTEThe units allow you to upgrade the DC lightning and overvoltage protection in a straightforward andcost-efficient manner.In this respect, please refer to the documentation “blueplanet 15.0-20.0 TL3 Application note – Install-ing a surge protection device” on our website.