ProMinent
®
Page 6
Assembly and Installation
6 Assembly and Installation
WARNING
• The gamma/ L series dosing pumps must be commissioned exactly as
described in the operating instructions manual!
• It is not permitted to assemble and install ProMinent
®
dosing pumps with
non-original parts unless these have been checked and recommended by
ProMinent.
• Always depressurise tubing before working on the dosing pump. Empty and
rinse out the liquid end!
• Never allow the dosing pump to operate when an discharge tube stop tap is
closed ! It may burst!
• Remove all water from liquid end before commissioning or rinse with a
suitable cleaning agent if using chemicals that should not come into contact
with water!
• Before unscrewing the control unit disconnect the mains lead from the
power supply!
• Observe applicable national directives during installation!
6.1 Assembling dosing pump
TAKE CARE
• The gamma/ L should be fixed in such a way as to prevent vibration!
• Suction and discharge valve must be upright (bleed valve in self-bleed liquid
ends)!
• Ensure free access for operation and maintenance!
Assembling dosing pump The base of the dosing pump must be mounted on a firm, horizontal surface.
6.2 Assembling tubing
6.2.1 Installation for non-self bleeding pumps
CAUTION
• Tubing must be free from stress and kinks when fitted!
• When dosing extremely aggressive or hazardous chemicals it is advisable to
install a bleed valve that feeds back to the container and isolation valves on
the prime and discharge sides.
• In order to ensure connections are fast, use correctly sized clamping rings
and nozzle unions!
• Use only original hoses with specified dimensions and wall-thicknesses!
• Do not exceed maximum permissible priming pressure (see section 14)!
• It is imperative that the maximum permissible operating pressure is not
exceeded (see section 14 and appendix documentation)!
GUIDELINE
The tubing should be attached in such a way as to allow lateral detachment of the
gamma/ L and the liquid end if necessary!
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