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10.2. Storing and combined safety valve
In order to ensure safe operation, it is rational to turn to a plumber to check the
appliance and the correct operation of the combined safety valve every now and then
(in every year). Furthermore, it is recommended to blow off the valve every month or
every second month through turning the blow off button of the safety valve in the
direction indicated by the arrow.
possible pollution (sand grains, scale, etc.)
10.3. Active anode
As a supplementary accessory, the hot water tank is equipped with an active
anode to protect it against corrosion. The life expectancy of the active anode
depends on the conditions of water and operation. The state of the anode has to be
checked during periodic maintenance measures targeting scale removal or at least in
every second year.
The date of repeated check is defined by the repair technician. If the diameter
of the anode shrinks to 10 mm at any points, it has to be replaced.
The replacement of the active anode can only be performed by a contracted
service shop (see the commercial warranty!).
After the replacement of the active anode, its earthing has to be set according
to its original state. It is extremely important to ensure a good metal contact
between the active anode and the earthing screw.
IN CASE OF NEGLECTING THE ABOVE INSTRUCTIONS THAT CAUSES
DAMAGE TO SAFETY AND USAGE FEATURES OF THE HOT WATER TANK,
YOU LOSE YOUR GUARANTEE AND WARRANT RIGHTS.
10.4. Scale removal
Depending on the quality of the water, scale deposition may occur on the
heater exchanger or on the tank. The scale deposited on the heater decreases
heating efficiency. So, it is necessary to clean the hot water tank from scale every
second year.
It is strictly forbidden to apply any sharp metal object or acid to remove scale
deposited on the heat exchanger, the close cover and its fittings. Please use cleaning
and scale removal supplies available in commerce.
Scale can be removed from the interior part of the tank manually, through the
fitting opening. It is rationale to flush the tank with water ray after scale removal.
10.5. Prevention of frost damages
If temperature may fall below the freezing point in the location of the hot water
tank, the heating of the tank must not be switched off or the tank must be discharged
in periods of frost danger.
10.6. In case of indirect heating
OVERHEATING PROTECTION MUST BE PERFORMED BY THE INDIRECT
This way, the valve seat is cleaned from any
HEATING EQUIPMENT!
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