Chapter 2. Conditions of safe operation
• After disassembling the front cover of the inverter, access to the buttons of the operator panel and
simultaneously to the elements that are, under the conditions of normal operation of the inverter,
under the electrical voltage dangerous for life and health (active parts) are obtained.
ATTENTION: Take particular care due to the possibility of electric shock. Removing the front cover of
the inverter (when the electrical voltage is supplied to the device both from the network side and the
generator) and changing the settings can only be made by a person with appropriate electrical
qualifications.
• Periodically, you should check:
◦ Connection of protective conductors,
◦ Wiring (the connections, insulation),
◦ Did not water get inside the system,
◦ Degree of heat sink dirtiness.
2.3. Protection against electric shock
Protective conductor must be connected to inverter’s PE terminal on terminal strip.
The device has built-in protection against earth fault currents, but it only protects the device and
does not protect the user against electric shock.
2.4. Operation list after receiving the device
• After unpacking the device, it is necessary to check up visually presence of damages which could
arise during the transport.
• Check up the correspondence between the delivered frequency converter and the order - check up
the ratings plate on the case.
• Check up the correspondence between conditions in which the converter will be used and conditions
of an environment for which it is designed.
• Installation of the frequency converter should be made according to principles of safety and EMC
rules.
2.5. Environmental conditions
a. Degree of pollution
During design second degree of pollution has been assumed, at which there are normally only non-
conducting pollution. However there is a probability of temporary conductivity caused by a condensation,
when the device is disconnected from the voltage source.
In case the environment in which the device will work, contains pollution which can influence its safety, it
is necessary to apply appropriate counteraction, using, for example, additional cases, air channels, filters etc.
b. Climatic conditions
Table 2.1. Installation, warehousing and transport conditions
Installation site During warehousing During transport
Temperature -10 ºC .. +40 ºC -25 ºC .. +55 ºC -25 ºC .. +70 ºC
In protective packing
Relative humidity 5 % .. 95 % 5 % .. 95 % Max 95 %
Short-term, insignificant condensation on the external side of the device case is
permitted only when the device is disconnected from the voltage source.
Air pressure 86 kPa .. 106 kPa 86 kPa .. 106 kPa 70 kPa .. 106 kPa
2.6. Recycle
Always return your used electronic products, batteries, and packaging materials to dedicated
collection points. This way you help prevent uncontrolled waste disposal and promote the
recycling of materials.
PS100 – User manual 7
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