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6 Care and maintenance
▶
Keep batteries away from fire and ensure
that they are not heated up in any other
way.
2.
Open the battery compartment cover (1).
Note
The battery compartment can be accessed
without removing the front casing.
Danger!
Risk of death caused by unsuitable batter-
ies!
If batteries are replaced with the wrong type
of battery, there is a risk of explosion.
▶
Ensure that you use the correct battery
type when replacing batteries.
▶
Dispose of used batteries in accordance
with the instructions in this manual.
3.
Remove the old battery (2) and insert a new battery in
the battery compartment in accordance with the mark-
ings on the cover.
Note
Only use batteries of the type D/LR20.
Do not use rechargeable batteries.
6
Care and maintenance
6.1
Maintenance
An annual inspection and biennial maintenance of the
product carried out by a competent person is a prerequisite
for ensuring that the product is permanently ready and
safe for operation, reliable, and has a long service life. The
inspection may require maintenance to be carried out earlier,
depending on the results.
6.2
Caring for the product
▶
Clean the casing with a damp cloth and a little solvent-
free soap.
▶
Do not use sprays, scouring agents, detergents, solvents
or cleaning agents that contain chlorine.
8
7
Decommissioning
7.1
Temporarily decommissioning the product
1
▶
Press the main switch (1).
▶
Close the gas stopcock that was set on-site.
◁
The gas supply to the burner on the gas-fired instant-
aneous water heater is now blocked.
▶
Close the cold-water isolation valve that is set on-site.
7.2
Having the product permanently
decommissioned
▶
Have a competent person permanently decommission
the product.
7.3
What to do if there is a risk of frost
If there is a risk of frost, it is necessary to protect the product
against freezing. To do this, you must drain your gas-fired
instantaneous water heater.
▶
Temporarily decommission (→ Page 8) the product.
▶
Undo the drain screw (1) with the sealing ring.
▶
Open all of the domestic hot water tap fittings that are
connected to the product so that the product and line
drain until they are completely empty.
▶
Leave the domestic hot water tap fittings and the drain
screw open until the product is started up again when the
risk of frost has passed.
▶
When subsequently filling the product, only start it up
again once the water that flows out of the opened do-
mestic hot water tap fittings has no bubbles after the
cold-water isolation valve that is set on-site is opened.
Operating instructions atmoMAG 0020273766_00
1
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