\\Serveurslce3\DAO\Etude-3d\Aquaset\0-DOSSIER TECHNIQUES\1-sw-plaisance\ESW\09- Manuels Utilisateur\DOC UTILISATEUR ESB FRUKES 2012-11-K.doc VERSION 2012-11-K FR/UK/ES Page 22/39
D – WATERMAKER MAINTENANCE
The AQUA-BASE unit must be regularly maintained in order to avoid the occurrence of defects, which could affect its efficiency, its operation
and its reliability. The intervals between maintenance of the AQUA-BASE unit depend on the frequency and conditions of use.
1 – MAINTENANCE SCHEDULE
OPERATION FREQUENCY NECESSARY SPARE
PARTS
Minimum
Replacement of filter cartridge When it is clogged and at wintering 1 / year 711019
Cleaning the prime filter When it is clogged 1 / week
Cleaning the membrane Each year at wintering 1 / year 752037-EXP10
On this basis the user will adapt his own maintenance schedule, which will depend on his personal use of the unit.
2 – SPARE PARTS FOR ONE YEAR
The spare parts set, for one year AQUA-BASE, Ref 752054, contains all the necessary parts for servicing the AQUA-BASE desalination unit.
QTE/QTY REFERENCE DESCRIPTION
4 711019 Filter element 5µ-10’’
1 752037-EXP10 MC11 Alkaline cleaner & MC3 Acid cleaner
2 752002-20 Storage solution
3 – REPLACEMENT OF THE FILTER CARTRIDGE (Unit stopped)
1. Turn OFF the unit by closing the main breaker on "OFF" (0).
2. Close the hull valve (V0).
3. Open the filter by unscrewing the tightening nut using the filter spanner.
4. Free the used cartridges by setting down the filter bowl.
5. Replace the used cartridges with a genuine new one (green colour).
6. Wipe and lightly oil the seal with food fat.
7. Reset the filter after having checked the cartridge position.
8. Screw the tightening nut by hand.
4 – CLEANING OF THE MEMBRANE
When should the membrane be cleaned?
Cleaning of the membrane is necessary once a year (see chapter D : Maintenance schedule)
In normal operation, the R/O membrane can be clogged by mineral and organic deposits, which accumulate until they cause a drop in fresh
water production quality and quantity. The membrane should be cleaned each time the quantity or the quality of the produced water changes
excessively. Before proceeding with membrane cleaning check that the change in performance has no other cause, such as:
- Low seawater temperature,
- Filter clogged, water system badly drained, leading to lack of water at the pump,
- Inefficient operation of the HP pump: leaks, wear,...
Cleaning of the membrane can only be carried out when it’s inside the pressure vessel. Never take a membrane out of its
pressure vessel.
How should the membrane be cleaned?
Î
See the 3.4 – Wintering procedure « Cleaning »
In case of long term wintering, proceed with preservation operation.
NOTA :
Membrane cleaning can be done in the factory or by your agent in a more thorough way, on a specialised bench. Contact
your agent or the factory directly.
When should the membrane be replaced?
A membrane has a lifetime of about 5 years. Then, as the plastic materials harden, the pores retighten and production will decrease. Then,
you must replace the membrane. If the membrane has accidentally taken in fuel or oil, it must be replaced. The membrane is one of the more
fragile elements of the watermaker, it is necessary to take care of them by respecting the maintenance requirements.
To replace a reverse osmosis membrane, please contact us directly or through one of our dealers, to obtain the membrane replacement
specification sheet, by telling us the serial number of the membrane.
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