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26 | Service
Obsolete equipment
Used appliances contain materials that can be reused.
The assemblies are easy to separate and the types of plastic are
identified. In this manner the individual components are easily
sorted and added into the recycling and disposal systems.
10 Service
DANGER: Risk of electric shock!
▶ Isolate the appliance from the power
supply using the fuse or another
protection device before carrying out any
work on electrical parts.
NOTICE: Damage to the appliance!
▶ Do not shut off the water supply while the
appliance is in operation.
10.1 General inspections
Check the appliance regularly for faults.
▶ Keep the appliance and the installation location clean.
▶ Dust the system regularly using a damp cloth.
In this way, leaks can be identified and repaired at an early
stage.
▶ Check all connections regularly for tightness.
10.2 Checking/replacing the magnesium anode
The appliance is protected against corrosion
by a magnesium anode in the cylinder.
NOTICE: Damage to the appliance!
The magnesium anode must be installed
before commissioning the appliance.
NOTICE: Damage to the appliance!
Check the magnesium anode annually and
replace if required. Appliances operated
without this protection are excluded from
our warranty.
The internal wall of the DHW cylinder is coated with a double
glass lining. The coating is designed for normal quality water.
When using more corrosive water, the warranty only applies if
additional safety measures have been taken (e.g. the use of an
6 720 809 134 (2013/09)
isolation fitting) and the magnesium anode is checked more
frequently.
To check the protective anode:
▶ Isolate the appliance from the power supply.
▶ Remove protective coverings.
WARNING: Risk of scalding!
▶ Before removing the magnesium anode,
drain about 75 litres of water from the
cylinder.
▶ Remove the magnesium anode.
Fig. 44 Checking the state of the magnesium anode
▶ Check the state of the magnesium anode and replace if
necessary.
10.3 Cleaning
▶ Check and clean the evaporator regularly.
▶ The air inlet and air outlet apertures must be unobstructed
and accessible.
▶ Check the air grille, air filter and air ducts regularly and clean
them if necessary.
10.4 Condensate pipe
▶ Disconnect the condensate hose from the condensate
drain.
▶ Check the drain and/or hose for contamination and clean if
necessary.
▶ Reconnect the condensate hose to the condensate drain.
10.5 Safety valve
▶ Open the safety valve at least once a month ( Fig. 45) to
ensure that it is functional.
6720800765-05.1V
Compress 3000 DW FII
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