Norgren VS18 Series Valve Advantage - Manual (Page 91)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
10.2.2 Installation
Please consider following points before assembling and installing the valve island:
• Check if classification of the valve island, the permissible application area and marking on
the item of equipment are suitable for the application.
• Check technical data, such as operating pressure, voltage level, current type and
temperature, on the product label or in the data sheets for compliance with the existing
operating conditions.
• After removing the packaging, make sure that no contamination enter into the system.
• Check before the installation of the system that no contamination exists in the piping and
valve island.
• Check during installation of the system that gaskets will not become damaged.
Please consider following points during the installation of the valve island:
• The installation must be taken by qualified personnel with consideration of relevant
regulations.
• Any fitting position of the valve island is permissible but valves with indicating lights up is
preferred.
• To avoid damaging the product, please make sure that the maximum torque values are not
exceeded (see section 5.1.2 ).
• Prevent connector cables and cords from sharp bends in order to avoid short circuits and
interruptions.
• Damaged parts must be replaced with original spare parts from Norgren.
• Order spare parts with the part number indicated on the product labels. (See section 5.2.2
and/or data sheets 5.4.159 (VS18) resp. 5.4.160 (VS26)).
• For equal potential bonding link all electro-conductive parts including accessories together.
• Ground the complete system.
• Important: Power must be removed from the system while assembling and disassembling
electrical connectors, plugs and cables, valves, sandwich plates and blanking plates.
• Important: Power must be removed from the system while opening or disassembling the
valve island. The same applies for the hinged cover of the address switches of certain
Fieldbus variants. Power must be removed when operating the address switches.
10.2.3 Operating
• Ensure before commissioning of the valve island, that the whole equipment/machine
conform to the provisions of the machine, ATEX and EMC directives as well as other
applicable standards and directives.
• The valve island must be used only with air, which does not corrode the system and the
contained sealing materials (see also section 4 ).
• Avoid contact with liquid and corrosive mediums.
• Please refer to section 10.3.1 for maximum permissible operating conditions for valve
islands in an ATEX zone.
• Do not load the system by bending or torsion.
VS2672926-KG00E_05/07 Page 91/97