Chapter 2. Conditions of safe operation
2. Conditions of safe operation
Before start to work with the PS100 inverter read carefully this User’s manual. Not knowing or ignorance of
the information contained in it can cause physical injury, death or damage to the inverter.
In the further part of this User manual, the PS100-WT inverter, to which this instruction applies, will also be
referred to as the „PS100-WT or "device".
RISK OF ELECTRIC SHOCK
HOT SURFACE
2.1. Warnings
• Incorrect installation, using, and maintenance of the device can cause physical injury or death, or
damage to the device and connected equipment.
• Some housing components, including a heat sink, can get hotter than 80°C during normal operation -
there is a risk of burns.
• Installation, using, and maintenance of the device must be performed only by qualified personnel.
• Before switching on the voltage, make sure the device has been correctly installed and all housing
elements have been properly assembled.
• After connecting the device to the supply voltage its internal components (without the control
terminals – Fig. 9.1 on page 40) are on the power supply potential. Touching these components can
cause an electric shock.
• The device contains DC-link circuit capacitors that can remain charged even when the device is not
powered. It can cause an electric shock. The time required for self-discharge of capacitors in an
undamaged device is usually less then 5 minutes. Before starting any installation works wait 5
minutes after disconnecting all power supplies sources and make sure that a voltage on a clamps is
not present.
Attention! The lack of the voltage at the connection terminals is not synonymous with the lack of
dangerous voltage in the internal DC-link circuit of the device.
• Don’t make any connections changes when the device is connected to the power supply.
• Due to the use of a transformer-free topology of the charger, and thus connecting the negative pole
of the battery bank to the inverter's intermediate circuit, there are dangerous voltage and life-
threatening voltage on the terminals of the battery bank. It is forbidden to touch the terminals of the
battery bank, because it may cause an electric shock!
2.2. Basic rules
• The inverter must not be switched on to work with a synchronous generator (versions WT and H)
without load resistors, as this may cause turbines to run, and consequently damages for which the
manufacturer is not responsible.
• Do not make any connections when the electrical voltage is supplied to the inverter: from the mains
side, photovoltaic panels, wind turbine generator, battery bank.
• Don’t measure the voltage endurance of any unit devices.
• To measure the cables insulation it is necessary to disconnect them from the device.
• Don’t touch integrated circuits and any other parts on the device’s electronic board, as they can be
damaged by electrostatic discharge.
• Ensure that no other passive components, such as resistors, capacitors, or coils, are connected to
the power cables.
• Any modifications or self-repairs of the device can cause physical injury or death, or damage to the
device and connected equipment. Any attempt at self-repair will void any warranty.
6 PS100 – User manual
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