en – Original Instructions
28
SCUBA DRY – Additional Installation, Operation and Maintenance Instructions
6.3
Submerged unit maintenance
Every 6 months of operation or at the end of the season, when the first of the two limits is
reached:
1.
Check the integrity:
•
Of the power supply cord
•
Of the float switch cable, if present
•
Of the float suction filter, if present.
If either of them is damaged, contact Xylem or the Authorised Distributor for the
replacement.
2.
Check the pressure at zero flow rate and compare it with the pressure recorded during first
start up; if the difference between the two values exceeds 10-15%, contact Xylem or the
Authorised distributor.
3.
Carefully clean the unit and the filters.
6.4
Long periods of inactivity
1.
Units used for pumping salt water, meeting the specifications in
page
33, must be rinsed with fresh water afterwards.
2.
Empty the unit and the piping.
3.
Put the unit out of service.
4.
Protect the unit against freezing.
Before restarting the unit, see
on page 26.
6.5
Spare parts ordering
Identify the spare parts with the product codes directly on the site www.lowara.com/spark.
Contact Xylem or the Authorised Distributor for technical information.