Installation instructions DHW cylinders TSW-120/CSW-120
3048420_0707
17
Checking the protective
anode
The integral magnesium anode can be sacrificed through electrical
reaction to protect the DHW cylinder from corrosion. Therefore check
and, if necessary, replace the anode every two years.
Remove the connection cable between the anode and the hand hole
cover. To check the protective anode, connect an ammeter between
earth and the anode. Replace the protective anode if the actual value
falls below 0.1 mA.
Maintenance
Fully release the DHW cylinder pressure, switch OFF the boiler and
the DHW circulation pump, and open a hot water tap in your house.
A hose nozzle is factory-fitted below the fill and drain cock cover.
On TSW-120, the decorative panel must first be removed by slightly
lifting and pulling it forward.
Draining the DHW
cylinder
Replacing the
protective anode
Remove the six nuts on the hand hole cover. Remove the cover,
together with the protective anode. Remove the locking nut and fit
a new protective anode.
Installation in reverse order.
Access trap to be fitted with new seal only, torque of nuts 20-25 Nm.
Fill the system and check for leaks.
Hose connection
Filling/draining aperture
Earth = hand hole cover
Protective anode
Nuts
Hand hole cover
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