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7.2
Cleaning
B Unscrew the plug [1] from the inspection port.
1
Fig. 11
Unscrewing the plug
1
Plug (24 mm socket)
2
Inspection port
NOTICE: Risk of physical damage to the
DHW tank if limescale is broken up with
sharp implements.
B Never break up limescale deposits with
hard or sharp implements as this may
damage the surface coating on the inside
of the tank.
B Inspect and clean the interior of the tank.
B To clean the coil run the boiler to heat the coil, then
spray down with cold water.
B Drain all debris from the tank.
6 720 648 071 (2012/03)
7.3
B Seal the magnesium anode [2] back into place.
B Seal the plug [3] back into the inspection port.
2
6 720 648 100-11.1ITL
Fig. 12
1
Plastic plugs
2
Magnesium anode (27 mm wrench required)
3
Inspection port (plug, 24 mm socket)
B Start up the system again.
B Check all threaded connections for leaks.
B Install the plastic plugs [1] at the magnesium anode
and inspection port.
Maintenance and cleaning
Recommissioning after cleaning
1
Installing / removing the magnesium anode
1
2
3
6 720 648 100-10.1ITL
13
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