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English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
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These installation and operating instructions are also
available on www.grundfos.com.
Prior to installation, read these installation and
operating instructions and the servomotor
manufacturer's instructions. Installation and
operation must comply with local regulations and
accepted codes of good practice.
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1. General information
These installation and operating instructions describe additional
conditions or special considerations for the operation of pumps
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with electric servomotor for ATEX DMH pumps.
These installation and operating instructions are required in
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addition to the servomotor manufacturer's instructions supplied
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with the servomotor.
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If you require further information or if any problems arise, which
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are not described in detail in this manual, please contact the
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nearest Grundfos company.
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1.1 Service documentation
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If you have any questions, please contact the nearest Grundfos
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company or service workshop.
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1.2 Declaration according to ATEX GUIDELINES, 4TH
EDITION - September 2012, concerning the
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assembling of pump and servomotor
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Grundfos declares that there is no additional ignition hazard as a
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result of assembling the pump and servomotor. Pump assembled
with servomotor is considered a combination of individual items of
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equipment in terms of explosion protection. Therefore, the
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manufacturer of the pump and the manufacturer of the electrical
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servomotor supply an EC declaration of conformity for each of
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both items.
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2. Applications
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Grundfos servomotors, series 384, are designed for automatic
adjustment of the stroke length and consequently the dosing rate
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of the Grundfos dosing pumps described in this manual.
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ATEX servomotors are suitable for ATEX DMH single-head
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pumps only.
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Warning
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Use the servomotor only for the specified pump
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types!
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Other applications are not approved and not
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Caution
permitted. Grundfos cannot be held liable for any
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damage resulting from incorrect use.
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