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8 Inspection and maintenance
8
Inspection and maintenance
8.1
Observing inspection and maintenance
intervals
Proper regular inspections (once a year) and maintenance
(depending on the result of the inspection, but at least once
every two years) combined with the exclusive use of genuine
spare parts are decisive factors in ensuring smooth opera-
tion and long working life for the product.
We recommend taking out an inspection or maintenance
contract.
Inspection
The inspection is intended to determine the actual condition
of a product and compare it with the target condition. This is
done by measuring, checking and observing.
Maintenance
Maintenance is required in order to eliminate any deviations
of the actual condition from the target condition. This is nor-
mally done by cleaning, setting and, if necessary, replacing
individual components that are subject to wear.
8.2
Replacing the power supply cable
Note
To avoid danger, if the power supply cable is
damaged, it must be replaced by the manufac-
turer, their responsible customer service depart-
ment or suitably qualified persons.
▶
Replace it in accordance with the recommendations for
the power supply connection.
8.3
Removing/installing the product casing
A
B
C
1.
Undo the screw (A) between the hydraulic connections.
2.
Remove the temperature selector knob (B).
3.
Remove the front casing (C).
4.
When fitting the casing, carry out the steps described
above in reverse.
10
8.4
1.
Check whether the inner vessel in the direct electric
domestic hot water cylinder has any depositions.
◁
2.
Remove the electrical immersion heater.
3.
Check the condition of the electrical immersion heater.
◁
8.5
Applicability: eloSTOR exclusive
1.
Visually inspect the cold-water filter (1) in the cold water
connection for dirt and scale.
◁
2.
Put the cold-water filter back into its mount.
3.
Connect the product to the cold water inlet.
8.6
1.
Disconnect the product from the power mains and make
sure that it cannot be switched back on again.
2.
Remove the product casing.
3.
Check the condition of the temperature control.
◁
4.
Check the condition of the temperature cut-out.
◁
5.
Install the product casing.
6.
Connect the product to the power supply.
Installation and maintenance instructions eloSTOR plus, eloSTOR exclusive 0020244339_01
Descaling the direct electric domestic hot
water cylinder and electrical immersion
heater
Clean the vessel mechanically if it contains depos-
itions.
If required, dip the electrical immersion heater as
far as the flange into a descaling agent in order to
descale it.
Cleaning the cold-water filter
If there is dirt or scale deposition, remove the cold-
water filter to clean it.
Replacing the control and/or safety cut-out
Replace the temperature control when it is out of
operation.
Replace the temperature cut-out when it is out of
operation.
1
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