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TECHNICAL ASSISTANCE SERVICE
TECHNICAL ASSISTANCE SERVICE
Perform the following operations before beginning any
maintenance:
− Switch the electricity supply to the storage cylinder's
valve group and to any associated boiler OFF at the main
switch and at the control panel (if present)
− Close the shut-off cocks for the domestic hot water circuit
− Empty the combination storage cylinder.
18 CLEANINg THE COMBINATION CYLINDER AND
REMOVINg INTERNAL COMPONENTS
EXTERNAL CLEANING
Clean the outside of the combination storage cylinder's
insulation with a soft cloth damped in soapy water. To remove
stubborn marks, use a cloth damped in a 50% mix of water
and denatured alcohol or a suitable cleaning product. Dry the
combination storage cylinder after cleaning it.
0
Do not use abrasive products, petrol or triethylene.
INTERNAL CLEANING
− Unscrew the fixing screws, then remove the flange
insulation (1) and the flange covers (2)
− Use a wrench to unscrew the bolts (3) fixing the flange
(4) in place, and remove the flange taking care not to
damage the seal (5) and magnesium anode (6)
− Clean inside the storage cylinder and remove any residues
through the access hole
− Check the magnesium anode (6) for wear and replace it
if necessary.
1
2
3
4
6
5
On completion of cleaning, follow the above steps in the reverse
order to refit all removed parts.
9
Tighten the bolts (4) fixing the flange (5), proceeding
diagonally around the flange to apply pressure uniformly
around the seal.
− Fill the combination cylinder's secondary circuit and
check that there are no leaks from the seals.
− Check the performance of the storage cylinder.
19 RECYCLINg AND DISPOSAL
At the end of its useful working life, do not abandon the
combination storage cylinder in the environment, but dispose
of it in accordance with applicable legislation.
18
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