KSB Hyamat SVP Eco, Инструкция по установке и эксплуатации

Страница: 26 / 68

6 Commissioning/Start-up/Shutdown
26 of 68
Hyamat SVP Eco
ü The cooling air inlet openings and cooling air outlet openings on the motor are
unobstructed.
ü All shut-off valves are open.
ü
The pre-charge pressure of the accumulator has been checked.
(
ð Section 8.3, Page 51)
ü
The minimum flow rate has been observed. (
ð
Section 6.2.5, Page 29)
1. Set the master switch to 0; unlock all motor protection switches (if applicable).
2. Provide connection to power supply.
3. Open the vent plugs on the pump set in accordance with the supplied original
operating manual of the pump set.
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. Switch on all motor protection switches.
7. If fitted, set the manual-0-automatic selector switches to “automatic”.
8. Switch on the master switch.
9. Open the discharge-side valve.
10. When all pump sets are running, loosen the vent plugs again to let any
remaining air escape.
11. Close the vent plug.
12. Check that the pump sets are running smoothly.
13. Close the discharge-side valve in order to verify whether the pump sets reach
the maximum shut-off head.
14. Open the discharge-side valve.
15. Set the dry running protection device. ( ð Section 6.1.3, Page 26)
6.1.3 Setting the dry running protection device
Dry running protection devices are available in the form of pressure switches. The dry
running protection devices are set to the values specified in the order. If the settings
do not match the site data, adjust the settings for dry running protection.
Pressure switch
ü
The original operating manual of the pressure switch is on hand.
1. Undertake settings in accordance with the operating manual of the pressure
switch.
Table 7: Recommended settings for pressure switches
Stop pressure Start-up pressure
0.5 bar below p
inl
0.2 bar below p
inl