Riello 7200.200 V PLUS Installation, Operation And Maintenance Manual page 16

TECHNICAL ASSISTANCE SERVICE
TECHNICAL ASSISTANCE SERVICE
MODELS 7200 V Plus 800 - 1000
Removing and checking the first magnesium anode
If the magnesium anode is fitted in the top of the storage
cylinder, remove the cover (1) and insulation (2), and use a
suitable wrench to unscrew the anode holder (3).
If the magnesium anode is fitted in position (A), remove the
cover (4) and use a suitable wrench to unscrew the anode
holder (3).
Check the magnesium anode for wear and replace it if necessary.
On completion of cleaning, follow the above steps in the reverse
order to refit all removed parts.
NOTE: Tighten the anode plug to a torque of 25-30 Nm.
1
2
3
4
A
3
Removing and checking the second magnesium anode
− Remove the flange cover (5) and use a suitable wrench to
unscrew the anode holder (6).
− Check the magnesium anode for wear and replace it if
necessary.
− On completion of cleaning, follow the above steps in the
reverse order to refit all removed parts.
6
5
Cleaning inside the storage cylinder
Remove the anode (6) as instructed above, and then proceed
as follows.
− Unscrew the bolts (7) and remove the cover (8), taking
care not to damage the magnesium anode (6).
− Remove the seal (9)
− Clean inside the storage cylinder and remove any residues
through the access hole.
9
Check the seal for wear and replace it if necessary.
On completion of cleaning, follow the above steps in the reverse
order to refit all removed parts.
9
Tighten the bolts (7), proceeding diagonally around the
flange to apply pressure uniformly around the seal.
9
Fill the storage cylinder's DHW (secondary circuit) and check
that there are no leaks from any of the seals.
Check the performance of the storage cylinder.
8
7
16
9