Daisy Data 7171DA series Manuel de l'utilisateur - Page 7

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Repair, Maintenance and Warnings

WARNING: EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT

WHILE THE CIRCUIT IS LIVE OR UNLESS THE AREA IS KNOWN TO BE

FREE OF IGNITABLE CONCENTRATIONS.

WARNING: EXPLOSION HAZARD – SUBSTITUTION OF ANY COMPONENT

MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION 2.

Unit and connections must be installed per Control Drawings; for supply connections, use

wires suitable for at least 75°C.

Use Copper, Copper-Clad Aluminum or Aluminum Conductors.

End user is responsible for installation of power input to the unit. Repairs and

4.1

Repairs and installation

installation of this unit need to be performed by authorized personnel in accordance

with the International Electrotechnical Commission (IEC), National Electrical Code

(NEC) (NFPA), European Committee for Electrotechnical Standardization (CENELEC),

Canadian Electrical Code (CEC), and any applicable local code regulations. Contact

your local Authority having jurisdiction (AHJ) for assistance in field wiring in

accordance with local code regulations. This unit incorporates static sensitive

components which need to be handled carefully; be sure to follow all ESD safety

procedures. The circuit break of this unit is only for breaking under high current

conditions and should not be used as a disconnect switch. The door assembly of this

unit cannot be opened while in operation.

Maintenance should be performed by authorized personnel. The only maintenance is

4.2

Maintenance

periodic inspections for damage and proper operation. Any damaged parts or

damaged cabling entering into the unit, need to be replaced promptly to ensure that

the safety methods used, and their integrity are still valid.

The following details must be checked during maintenance:

Compliance with the permitted temperatures

Damage to the enclosure and seals

•

Cables are held securely in place

•

Clean unit enclosure with non corrosive and non combustible chemicals

•

Continuous energization of the overall equipment. Any interruptions in

•

energization of any length requires a visual inspection for condensation /

•

frost on any part followed by a warm-up period involving just the internal

heaters and fans, with the electronics energized and the heaters de-

energized only after the internal temperature exceeds 25°C

D006-000002