EHEIM professionel 4+ 250 Instrucciones De Uso página 25

English
1. Disconnect the power cable (31). 2. Disassemble the safety adapter (13) and the pump head (17) (chapter 5, step
1 - 3). 3. Remove the prefilter (4). 4. Remove the blue filter mat (1). 5. Rinse the blue filter mat (1) under running,
lukewarm water (replace if required). 6. Empty the prefilter (4) and rinse it. 7. Insert the blue filter mat (1) into the pre-
filter (4). 8. Insert the prefilter (4) with the blue filter mat (1) (place onto supports fi arrows). 9. Check and, if required,
clean the seals and treat them with EHEIM care spray (No. 4001000). 10. The prefilter flap (3) must be unobstructed.
11. Attach the pump head (17) (observe fitting position) and close the locking clips (8). 12. Put the filter system into
operation (chapter 5, step 16 - 22).
General cleaning
8.2
1. Disconnect the power cable (31). 2. Disassemble the safety adapter (13) and the pump head (17) (chapter 5, step
1 - 3). 3. Remove the pre-filter (3), the filter cartridge with the screened cover and white filter fleece. Renew the white
filter fleece (6) during each cleaning process. 4. Remove all filter inserts. 5. Rinse the filter inserts (7) and filter media
with water until they are clean (see EASY CLEAN function chapter 5, step 7 + 8). 6. Empty the filter tank (9).
Note: Only carry out steps 7 to 8 during every third to fourth general cleaning. By mixing used and new sub-
strate media, the required bacteria cultures remain intact.
Caution: Do not overfill filter inserts as, otherwise, their accurate fit is no longer assured.
7. Leave one-third of the used EHEIM SUBSTRAT pro and EHEIM bioMECH in the filter cartridge. 8. Re-fill two-
thirds of the used EHEIM SUBSTRAT pro and EHEIM bioMECH. 9. If required, completely renew EHEIM
MECH pro. 10. Re-insert all filters and filter inserts (chapter 5, step 7 - 9). 11. Clean the hose system using
an EHEIM universal cleaning brush (No. 4005570). 12. Insert the prefilter (4) with the blue filter mat (1) (place
onto supports fi arrows). 13. The prefilter flap (3) must be unobstructed. 14. Check and, if required, clean the
seals and treat them with EHEIM care spray (No. 4001000). 15. Attach the pump head (17) (observe fitting posi-
tion) and close the locking clips (8). 16. Put the filter system into operation (chapter 5, step 16 - 22).
Cleaning the pump chamber
8.3
Caution: The caramic axis may break. Clean carefully!
1. Disassemble the safety adapter (13) and the pump head (17) (chapter 5, step 1 - 3). 2. Turn the pump cover (23)
and remove it. 3. Disassemble the pump wheel (22). 4. Clean the pump chamber, pump cover, pump wheel and lubri-
cation duct with the EHEIM cleaning set (No. 4009560). 5. The pump wheel (22) must be clean and unobstructed (see
arrows). Observe the installation position of the ceramic sleeve (a) (only in professionel 5e - 350 Type 2274). 6. Insert
the pump wheel (22) into the pump chamber. 7. Close the pump chamber with the pump cover (23) observing the cut-
out and studs (arrows). 8. Disassemble the bracket (14) and the float (15) on the top side of the pump head (17) and
clean them. 9. Install the check valve (14/15) (observing the installation position; the float must be unobstructed).
10. Attach the pump head (17) (observe fitting position) and close the locking clips (8). 11. Put the filter system into
operation (chapter 5, step 16 - 22).
9 What to do if . . .
. . . Top part of filter can't be closed?
Cause
Filter inserts have been inserted wrongly.
Filter inserts are too full.
Gasket not fitted properly.
Solution
Push filter inserts and pre-filter in until they lie flush on top of each other.
Do not overfill filter inserts. If need be, clean the touching surfaces.
Insert correctly into the groove provided in the upper part of the filter.
Check for damage and if necessary replace.
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