Safety; Proper Use; Protection Features - Kaco Powador 2002 Operating Instructions Manual

Safety

2 Safety
EN EN
Lethal voltages are still present in the terminals and cables of the inverter even after the
inverter has been switched off and disconnected.
Severe injuries or death if the cables and/or terminals in the inverter are touched. Only appropriately
qualifi ed and authorised electricians may open, install or maintain the inverter.
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The electrician is responsible for observing all existing standards and regulations.
• Keep unauthorised persons away from the inverter and PV system.
• In particular, be sure to observe IEC-60364-7-712:2002 "Requirements for special types of business premises, rooms
and installations - Solar-Photovoltaic-(PV) Power Supply Systems.
• Ensure operational safety by providing proper grounding, conductor dimensioning and appropriate protection
against short circuiting.
• Observe all safety instructions on the inverter and in these operating instructions.
• Switch off all voltage sources and secure them against being inadvertently switched back on before performing
visual inspections and maintenance.
• When taking measurements while the inverter is live:
– Do not touch the electrical connections.
– Remove all jewellery from your wrists and fi ngers.
– Ensure that the testing equipment is in safe operating condition.
• Stand on an insulated surface when working on the inverter.
• Modifi cations to the surroundings of the inverter must comply with the applicable national and local standards.
• When working on the PV generator, it is also necessary to switch off the DC voltage with the DC isolator switch in
addition to disconnecting the PV generator from the grid.
2.1

Proper use

The inverter is built according to the latest technological standards and safety regulations. Nevertheless, improper
use may cause lethal hazards for the operator or third parties, or may result in damage to the unit and other prop-
erty.
Operate the inverter only with a permanent connection to the public power grid.
Any other or additional use of the device is deemed improper. This includes:
• Mobile use
• Use in potentially explosive atmospheres,
• Use in rooms where the humidity is higher than 95%
• Operation outside of the specifi cations intended by the manufacturer
• Islanding operation.
2.2

Protection features

For your safety, the following monitoring and protective functions are integrated into Powador inverters:
• Overvoltage conductors/varistors to protect the power semiconductors from high-energy transients on the grid
and generator side,
• Temperature monitoring of the heat sink,
• EMC fi lters to protect the inverter from high-frequency grid interference,
• Grid-side grounded varistors to protect the inverter against burst and surge pulses,
• Islanding detection according to VDE 0126-1-1.
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DANGER
Keep the inverter closed when the unit is in operation.
Do not touch the cables and/or terminals when switching the unit on and off .
Do not make any modifi cations to the inverter.
Operating Instructions for Powador 2002-6002_EN