Contrec 214D, Руководство пользователя, Страница: 38 / 42

34 Installation
9.6 WIRING
When connecting the 214Di it is good practice to use shielded cable. The
shield should be connected to earth at one end of the cable. The other end
of the shield should not be connected.
This wiring practice is mandatory in order to comply with the requirements
for Electromagnetic Compatibility as per EMC-Directive 2004/108/EC of the
Council of the European Community.
9.7 MAINTENANCE
All printed circuit boards must be repaired by Contrec. In the case of a fault,
no attempt should be made to repair the board as the intrinsically safe
functionality may be impaired.
All batteries for use in hazardous areas must be supplied by Contrec
No substitute batteries are permitted as the battery packs contain certified
energy limiting devices and insulation protection.
9.8 GENERAL
- Ensure that all gland entries not used are blanked with IP rated gland
plugs/blanking caps.
- Only use plastic PG7 glands on the aluminium enclosure.
SPECIAL CONDITIONS FOR SAFE USE
To comply with this products ATEX/IECEx certification the special conditions
for safe use must be followed.
The Instrument type 214Di shall be mounted in an area where electrostatic
charge/discharge will be avoided.