Routine Maintenance; Extraordinary Maintenance - Atlas Filtri HYDRA Serie Handbuch Für Installation, Gebrauch Und Wartung

- Turn-off water mains.
- Avoid all kind of tensions by using original wall brackets as a support (ask your vendor for
original ones if not included).
- The installation of a by-pass is recommended.
- Connect the inlet to the product's side with the indication IN and the outlet to the side with
the indication OUT.
- Connect to pipes using cylindrical (parallel) fittings (BSP - ISO 228), possibly with flexible
hoses.
- Connect to tapered (conical) fittings (ANSI/ASME B1.20.1) only if the product is marked with
NPT on head, possibly with flexible hoses.
- Use only sealing tape as a sealant for the connections.
- Turn-on water mains.
- Unscrew the vent-valve and wait for air purge, then screw and tighten the vent-valve.
WARNING
Make sure that there are no water leaks from the product, and especially control the tightening
between the housing head and the housing bowl. Continue checking that the tightening is good
and there is no water leakage for 48 hours following the installation and start-up. In case of
leakage, open the housing, remove the o-ring from the bowl, place a new o-ring and apply
original lubricant Lubrikit, then re-tighten the bowl to head and repeat the leakage check as
above. Use only original Atlas Filtri o-rings otherwise the warranty is void. Ask your vendor for
original o-rings, Lubrikit and other spare parts.
Remark: after the installation, slowly turn on a water supply (tap) downstream the installed unit
and let the water flow for at least 5 minutes before the use.
WARNINGS
- Only use HYDRA self-cleaning filters to filter mains or well water and to filter sand and other
large impurities from water with pH levels between 6,5 and 9,5. Do not use the filter to filter
lime. Do not filter other liquids.
- Respect the working conditions as shown in the sticker affixed to the product.
- If the sticker is tampered, damaged, not legible or missing do not install and contact your
Atlas Filtri dealer.
WARNING: HYDRA self-cleaning filters are not to be intended as potabilization systems. Do not
use the filtered water as drinking water unless water quality is known and safe. Atlas Filtri is
not liable for improper use.

ROUTINE MAINTENANCE

Routine maintenance consists in cleaning the filter cartridge with back-wash in counter-current
operation by opening the drain valve for 15/20 seconds. Back-wash in counter-current is
performed as indicated in the "TECHNICAL SPECIFICATIONS" section.
If the cartridge is not perfectly clean after washing, repeat the operation with the same procedure
one or more times until the desired cleanliness is reached. If acceptable cleanliness is not
achieved for a good filter operations, follow the extraordinary maintenance procedure as
described here following.
Notes for a proper routine maintenance:
Note 1: in case of HYDRA, install a manometer upstream the filter and a second one downstream,
then carry-on the routine maintenance before the pressure difference between the two
manometers exceeds 1 BAR.
In case of HYDRA M, carry-on the routine maintenance before the pressure difference between
the inlet and outlet manometers exceeds 1 BAR.
Note 2: for mains water, routine maintenance is recommended at least once a week, repeating
the operation 2 or 3 times consecutively, if necessary, after letting suspensions decant for several
seconds.
Note 3: for well water, routine maintenance is recommended several times a week, repeating
the operation 2 or 3 times consecutively, if necessary, after letting suspensions decant for several
seconds.
Note 4: Periodically clean the housing with cold water and a soft sponge
Note 5: If not in use for long time: remove the cartridge, wipe it clean and keep in fresh dry
room; at re-starting: place back cartridge in housing or use a new one.
WARNING. During cleaning operations water (not filtered) is still supplied.
We suggest you interrupt the water supply by closing faucets or the by-pass faucet (if installed)
downstream from the filter to reach maximum pressure in counter-current and the best cartridge
cleaning results.

EXTRAORDINARY MAINTENANCE

Over time, routine cartridge cleaning may become difficult due to clogging-up of the cartridge
net.
In this case, extraordinary cartridge cleaning is required as follows:
- shut-off water flow upstream from the filter;
- release the filter pressure by opening a tap downstream the filter;
- open the filter by unscrewing the bowl from the head using the supplied spanner;
- remove the cartridge (wearing protective gloves to prevent scratches due to worn net);
- clean the cartridge under a jet of cold water and use a soft brush to remove impurities;
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