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1. GENERAL INFORMATION
WS/WM Ultraswitch™ enclosures provide local and remote position indication for automated
valves. They generally feature a visual black/yellow or red/green indicator for intuitive local
position determination. The WS/WM Ultraswitch™ is available with a number of limit switch
options for remote indication, in a variety of electrical applications. They may also be used as a
junction box for direct installation of solenoid valves.
2. SAFETY INSTRUCTION
Read the safety instructions in this manual carefully before using the product. If any questions
arise during installation, contact supplier/sales office before continuing further.
This equipment is suitable for use in Class
1, Division 1&2, groups ABCDFG or non-hazardous locations only.
3. UNPACKING
Report transport damage to the carrier immediately. In case of discrepancies - contact your
nearest
FLOWSERVE location.
• Substitution of components may impair suitability
for Div. 2 locations.
• Inspect periodically for degradation. Replace parts
if degradation is found.
• Cleaning this housing by rubbing should be done
in a non-hazardous area.
• Potential electrostatic charging hazard, clean
only with a damp cloth – danger of propagating
discharge.
• All grounding and bonding installation requirements
must be addressed.
• Pay attention to personal protection, (clothing,
glasses, gloves) when performing installation or
service.
• All installation, inspection, and maintenance of
the equipment should be performed by suitably
trained personnel. For more information refer to
EN 60079-14:1997, EN 60079-17, EN 60079-18,
EN 60079-19.
• Do not disconnect equipment unless area is known
to be non-hazardous.
• To prevent ignition of flammable or combustible
atmospheres, disconnect power before servicing.
• Use only Flowserve original spare parts in order
not to invalidate certification.
FCD PMENIM0010-02 - 06/19
