Inspection and maintenance 7
0020196671_06 eloSTOR pro Installation and maintenance instructions
9
6.3
Handing the product over to the operator
▶
Inform the operator how to handle the product. Answer
any questions the operator may have. In particular, draw
attention to the safety information which the operator
must follow.
▶
Explain to the operator how the safety devices work and
where they are located.
▶
Explain to the operator how to limit the hot water temper-
ature at the draw-off point in order to prevent scalding.
▶
Inform the operator of the necessity to have the product
maintained on a regular basis.
▶
Provide the operator with all relevant instructions and unit
documentation for safe-keeping.
7
Inspection and maintenance
▶
You can find the inspection and maintenance work in the
maintenance plan in the appendix. (
→
Page 15)
7.1
Preparing the maintenance work
Danger!
Risk of electric shock
There is a risk of electric shock when working
on electrical components that are connected
to the low-voltage network.
▶
Disconnect the product from the power
supply.
▶
Secure the product against being
switched back on again.
▶
Check that the product is de-energised.
▶
Only open the product when it is de-ener-
gised.
▶
Remove the mains connection lines.
7.1.1
Checking the magnesium protection anode
1
2
2
5
3
4
6
1
Flange with hex nuts
2
Heating elements
3
Drain cock
4
Temperature sensor
5
Earth line
6
Magnesium protection
anode
1.
Disconnect the product from the power supply.
(
→
Page 10)
2.
Empty the product. (
→
Page 10)
Removing the flange
3.
Unscrew the cover on the flange.
4.
Remove the electrical connections on the heating ele-
ments
(2)
from the terminal block.
5.
Undo the hex nuts on the cover for the flange
(1)
and
the electronics box.
6.
Remove the temperature sensor
(4)
for the thermostat
and the safety cut-out.
7.
Unscrew the earth line
(5)
from the flange.
8.
Remove the flange straight from the cylinder tank.
Replacing the magnesium protection anode
9.
Replace the magnesium protection anode
(6)
when it is
worn to an extent of 60%.
Installing the flange
10. Replace the flange seal.
11. Check the inner vessel and components for scale de-
position. (
→
Page 9)
12. Screw the flange in place.
13. Screw on the earth line.
14. Insert the temperature sensor for the thermostat and
the safety cut-out into the opening provided for them.
15. Use a cube plug to place the electrical connections for
the heating elements on the terminal block.
16. Screw the cover to the product tightly.
17. Start up the product. (
→
Page 8)
7.1.2
Checking the inner vessel and components
for scale deposition
1.
Disconnect the product from the power supply.
(
→
Page 10)
2.
Empty the product. (
→
Page 10)
3.
Remove the flange. (
→
Page 9)
4.
If necessary, clean the inner vessel with descaling
agents or by carefully scraping it with a wooden spatula.
5.
Install the flange. (
→
Page 9)
6.
Replace components if necessary.
7.
Start up the product. (
→
Page 8)
7.2
Completing maintenance work
1.
Fit the casing.
2.
Ensure that all of the product's components have been
installed correctly.
3.
Connect the product to the power supply.
4.
Switch on the product.
