Westermo DDW-120 - Manual (Page 6)

6 6621-2214
SPECIAL CONDITION FOR SAFE USE
Ambient temperature:
This unit is designed for use in extreme ambient temperature conditions as follows:
–40 ºC ≤ Ta ≤ +70 ºC
Installation in an apparatus cabinet:
This unit requires installation in an Ex certified apparatus cabinet suitable for the area of use and
providing a degree of protection of at least IP54.
Resistance to impact:
This unit requires installation in an apparatus cabinet where adequate resistance to impact is
provided by the apparatus cabinet. See "Installation in an apparatus cabinet" above for requirements
on the external apparatus cabinet.
Resistance to light:
This unit requires installation in an apparatus cabinet where it is protected from light
(for example daylight or light from luminaires).
See "Installation in an apparatus cabinet" above for requirements on the external apparatus cabinet.
Secureness of plugs:
When this unit is installed in an explosive atmospheres, all connectors must be mechanically secured
to prevent loosening.
Conductor temperature:
When this unit is installed in locations with high ambient temperature, special precautions shall be
taken upon the choice of external conductors and the temperature rating of the conductor(s).
Directive 94/9/EC alongside with other directives:
Directive 2004/108/EC (EMC) applies and to assure a safe performance of this unit under the scope
of Directive 94/9/EC, refer to the electromagnetic immunity level specified under "Type tests and
environmental conditions" in this manual.
Standards and date of compliance
EN 60079-0 and EN 60079-15
2010-11-05
Class 1, Division 2 Information (DDW-120 EX only)
Special Conditions of Use:
This unit shall be installed in compliance with the enclosure, mounting, spacing and segregation
requirements of the ultimate application, including a tool removable cover.
• Installations shall comply with the relevant requirements of the National Electrical Code®
(ANSI/NFPA 70) and the Canadian Electrical Code® (CEC, CAN/CSA-C22.1).
• Installations shall comply with the latest edition of the manufacturer’s instruction manual.
• Tampering and replacement with non-factory components may adversely affect the safe use
of the system.
• Insertion or withdrawal of removable electrical connectors or modules is to be accomplished
only when the area is known to be free of flammable vapors.
WARNING:
• SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR DIVISION 2
• DO NOT OPEN WHEN ENERGIZED
• DO NOT DISCONNECT EQUIPMENT UNLESS AREA IS KNOWN TO BE NONHAZARDOUS
AVERTISSEMENT
• RISQUE D'EXPLOSION. NE PAS DÉBRANCHER TANT QUE LE CIRCUIT EST SOUS TENSION,
À MOINS QU'IL NE S'AGISSE D'UN EMPLACEMENT NON DANGEREUX