General safety Instructions
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It is mandatory to read this manual carefully before installing or using the product.
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If the product is not installed and used as described in this manual the product cannot be considered safe, so it
could damage people or animals.
Installation and maintenance:
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The product must be installed only by qualified personnel.
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Make sure that the batteries in use are compatible with the product by checking the battery type, the nominal
voltage and the charging voltage on their data sheet.
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Make sure that the battery room is properly ventilated as indicated in the battery installation manual.
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When connecting the battery, sparks can occur which can damage the operator's retina.
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When the photovoltaic module is exposed to the sun it generates voltage. If the panel has voltage Voc> 50V it is
mandatory to use isolating gloves to protect the installer from electric shock.
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For battery maintenance refer to the battery maintenance manual.
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The product cannot be repaired by the user or by the personnel performing the installation; it must not
therefore be opened or left working with the panel open.
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Do not install the product in a place where gas or dust explosions may occur.
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Protect cables with suitable fuses from the short-circuit, in particular it is mandatory to place a fuse of adequate
current on the battery cable as close as possible to the positive battery terminal.
WRM20 and WRM20+
User manual
Danger, electric shock
2
Danger, hot surface
EN