Start-Up - ProMinent alpha Series General Operating Instructions

ProMinent ProMinent ® ®
6

Start-Up

WARNING
• Explosion-proof pump only: it is essential that you observe the contents of section 9!
IMPORTANT
• Based on state-of-the-art technology, the manufacturer carefully selects the materials
for parts coming in contact with the medium as specified by the customer.
The manufacturer shall not be liable for any damage caused by metering other media
or media which has been modified with regard to its properties (concentration, density,
temperature, additives, impurities etc.).
• Only specially trained personnel are permitted to operate the metering pump.
The operator must ensure by applying appropriate accident prevention measures that
operating personnel are not endangered under given operating conditions (pressure,
temperature, aggressivity etc.).
• Refer to the information provided in the product-specific operating instructions.
• Before starting up, check correct connection of the drive motor as well as the
corresponding additional equipment!
• Check intake and delivery lines for leaks!
• Check whether necessary flushing lines are connected!
• Provide suitable type of safety overflow valves in all delivery lines!
Bleed delivery side:
Switch on pump and run at 100 % stroke length until liquid end is full.
Switch off pump.
Close bleeder on delivery side.
Pump is now ready for operation.
Open shut-off valve in metering line, operate pump.
Check cut-in pressure of overflow valve.
Check delivery capacity and correct if necessary.
IMPORTANT
• If a compressed air vessel is installed on the delivery side, vent at regular intervals!
• Ensure the correct gas admission pressure (approx. 60–80 % of the mean operating
pressure).
• Observe the information provided in the operating instructions of the frequency
converter if using pumps with speed control.
Start-Up
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