LG Electronics D4470 user manual Items Specific to the D4-470 Maintenance of the D4-470

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European Union Directives

Items Specific to the D4–470

Maintenance of the D4–470

SThe equipment is suitable for installation catagory 1 or 2.

SOnly parts supplied by Automationdirect.com, or its agents should be used.

SThe rating between all circuits in this product are rated as basic insulation only, as appropriate for single fault conditions.

SIt is the responsibility of the system designer to earth one side of all control and power circuits, and to earth the braid of screened cables.

SThis equipment must be properly installed while adhering to the guidelines of the in house equipment installation manual DA–EU–M, and the installation standards IEC 1000–5–1, IEC 1000–5–2 and IEC 1131–4.

SIt is a requirement that this equipment must be housed in a protective steel enclosure, which limits access to operators by a lock and power breaker. If access is required by operators or untrained personnel, the equipment must be installed inside an internal cover or secondary enclosure.

SIt should be noted that the safety requirements of the machinery directive standard EN60204–1 state that all equipment power circuits must be wired through isolation transformers or isolating power supplies, and that one side of all AC or DC control circuits must be earthed.

SBoth power input connections to the equipment must be separately fused using 3 amp T type anti–surge fuses, and a transient suppressor fitted to limit supply overvoltages.

SIf this equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired.

SThe D4–470 CMOS backup battery has a life of 7 years.

SWith the equipment power supply turned off, use a vacuum cleaner to remove dust from the power supply ventilation slots and the chassis cooling fan as needed.