HEC-OM-S002
Chapter 3 Transporting and Installation
3.3 Wiring
3-5
3.3 Wiring
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Only qualified personal are allowed to install wiring.
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Be sure to turn OFF the power prior to wiring to assure safety.
Do not do any wiring when the system is energized.
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The system wiring requires not only a through connection with the
designated cable but also securing to prevent loose connection.
Poor connection and securing may cause electric shock, heat spots,
fire, or communication errors.
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Be sure to supply the power to this product according to the
specification.
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Always establish a connection to a ground for safety.
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Be sure that no ground connection is made to a water pipe, gas pipe
and lighting rod.
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Be sure to provide protective ground. IEC protection class of the
product is class I. Be sure to provide protective ground (ground
resistance of 100
Ω
or less). For details of the power supply cable,
refer to page 3-6, Power Supply Cable and Connector.
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Do not use the same ground being used by equipment that
generates strong electrical magnetic noise or high frequencies.