KSB Hya-Duo D FL Compact, Инструкция по установке и эксплуатации, Страница: 28 / 48

6 Commissioning/Start-up/Shutdown
28 of 48
Hya-Duo D FL Compact
6. Check that the float valve functions properly. ( ð Section 5.6, Page 23)
7. Close and slightly tighten the pump vent plugs.
8. Switch on the master switch.
9. Set the manual-automatic selector switch to manual. Check the direction of
rotation of the pump sets. Compare the direction of rotation to the arrow
indicating the direction of rotation on the motor. If the direction of rotation
does not match, interchange the phases at the terminal board of the motor.
10. Set the manual-automatic selector switch to automatic.
11. Slowly open the discharge-side valve. Check the set start-up pressure with a
pressure gauge. If necessary, adjust the start-up pressure in accordance with the
supplied original operating manual of the pressure switch.
12. Slowly close the discharge-side valve. Check the set stop pressure with a pressure
gauge. If necessary, adjust the stop pressure in accordance with the supplied
original operating manual of the pressure switch.
13. Slowly open the discharge-side valve.
14. Set the after-run time of the pump set to a value between 3 and 10 minutes
using the timer in accordance with the supplied original operating manual.
Observe the maximum permissible frequency of starts.
(
ð Section 6.2.2, Page 31)
15. When all pump sets are running, loosen the vent plugs again to let any
remaining air escape.
16. Close the vent plugs.
17. Check that the pump sets are running smoothly.
18. Close the discharge-side valve in order to verify whether the pump sets reach
the maximum shut-off head.
19. Open the discharge-side valve.
20. Set the time and duration of the test run in the switchgear and controlgear
assembly (first channel of the timer) in accordance with the supplied original
operating manual.
21. Set the flushing system. (
ð
Section 7.3.6, Page 36)
22. Check the minimum inlet pressure with a pressure gauge. If the inlet pressure is
too low, contact the public utility company. (
ð
Section 6.2.1, Page 30)
23. Set the dry running protection device. ( ð Section 6.1.3, Page 28)
24. Set the mains water supply. ( ð Section 7.3.4, Page 35)
6.1.3 Setting the dry running protection device
NOTE
Dry running protection is only enabled in manual mode and test run mode. In
automatic mode an alarm message is indicated by the (red) indicator lamp; the
pump sets continue to run.
In the switchgear and controlgear assembly the digital input for dry running
protection is directly connected to the float switch in the tank. If the connection
opens, the control system stops the break tank package booster set for fire fighting
after approximately 10 seconds (factory setting). The stop delay of 5 to 100 seconds
can be set at the timer.
ü The dry running protection device has been properly connected.
(
ð
Section 5.7.5, Page 25)
ü The original operating manual of the timer is on hand.
1. Set the timer in accordance with the supplied original operating manual.