6 Commissioning/Start-up/Shutdown
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KSB Delta Basic
1983.835/01-EN
CAUTION
Operation without the fluid to be handled
Damage to the pump sets!
▷ Prime the pressure booster system with the fluid to be handled.
ü The pipe unions between the pump and the piping have been re-tightened.
ü Flange connections have been firmly tightened.
ü The cooling air inlet and outlet openings on the motor are unobstructed.
ü All shut-off valves are open.
ü The pre-charge pressure of the membrane-type accumulator has been checked.
(ðSection8.2.3,Page31)
1. Set the master switch to "0"; unlock all motor protection switches (if
applicable).
2. Provide connection to power supply.
3. Open/loosen the vent plugs on the pumps (refer to the pump's installation/
operating manual).
4. Slowly open the inlet-side shut-off element and prime the pressure booster
system until the fluid to be handled escapes through all vent holes.
5. Close and slightly tighten the pump vent plugs.
6. Set the manual-0-automatic selector switches (if any) to Automatic.
7. Switch on the master switch.
8. Open the discharge-side shut-off element.
9. When all pump sets have been run once, loosen the vent plugs again to let any
remaining air escape while the pump is switched off
10. Tighten the vent plug firmly.
11. Verify that the pump is running smoothly.
12. Close the discharge-side shut-off element for a short period and verify that the
pumps reach the shut-off head.
13. Close the discharge-side shut-off element, causing the pump to stop.
NOTE
Minor leakage of the mechanical seals during commissioning is normal and will
cease after a short period of operation.
6.2 Switching on the pressure booster system
Plug in the mains plug or set the master switch to I to energise the pump.
Readiness for operation is signalled by a permanently lit red LED and a flashing green
LED.
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