Oase BioTec Premium 80000 EGC, Operating Instructions Manual

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8.4 Replacing foam filters
Prerequisite
► The filter pump is switched off.
► All other electrical units of the filter system are switched off (e.g. UVC clarifier).
► The foam filters are cleaned. ( → Cleaning the foam filters)
► Open the slide valve for the DN 75 dirt outlet at the bottom of the container and dispose of the soiled
water in a permissible way.
How to proceed:
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1. Release the the bayonet closure in the inner cover by turning it counter-clockwise (looking down onto
the bayonet ring).
2. Press the retaining clamps on both sides and remove the inner cover together with foam holders from
the container.
– Recommendation: First unlock the inner cover on one side and lift up slightly, then unlock the other
side.
– If the inner cover is too heavy, release the foam holders, allowing them to lower into the container,
before lifting out the inner cover.
3. Pull the foam holders up slightly, press both engagement hooks on the foam holders together and
push them down and out of the inner cover.
4. Press in the four engagement hooks on the top foam part and take out the foam holders together with
the filter cartridge.
– Recommendation: Press each pair of opposing engagement hooks together one after the other
and push them down and out of the inner cover.
5. Remove the used filter cartridge and bottom foam part from the foam holder.
– Correctly dispose of the filter cartridges in accordance with the regulations.
6. First fit the bottom foam part then the new filter cartridge onto the foam holder.
– Ensure that the filter cartridge fits exactly into the bottom foam part.
7. Insert the foam holder with the new filter cartridge into the inner cover from below, pulling the foam
holder up until the engagement hooks engage in the inner cover.
– Perfect seating of the filter cartridge is only guaranteed when all engagement hooks are engaged.
8. Turn the bayonet closure in the inner cover clockwise to fasten.
8.5 Cleaning the rinsing device
How to proceed:
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1. Start a manual cleaning cycle to check that the rinsing nozzle is functioning perfectly. (→ Manual
cleaning)
2. Loosen the union nut on a clogged nozzle, remove the nozzle and seal from the rinsing pipe and clean
the parts.
3. Push the union nut onto the nozzle and screw it together with the seal onto the rinsing pipe.
– Align the nozzle so that the marking is at the top.
– Hand-tighten the union nut.