Vaillant 0010044426, Operating Instructions Manual

Page: 45 / 168

0020323586_00 Installation and maintenance instructions
45
9.5 Completing inspection and maintenance
work
Installing the front casing
A
1. Carefully push the front panel towards the frame until
the you hear it click into place.
2. Install all of the components in reverse order.
3. Draw off water at the product until the water escapes
without any air bubbles. (
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Page 42)
4. Re-establish the power supply.
5. Start up the product.
6. Check that the product functions correctly and check
the tightness.
7. Log all maintenance work that is carried out.
9.6 Draining the product
Danger!
Risk of scalding caused by hot water
When draining the domestic hot water, there
is a risk of spraying if the water is drained via
the water connections.
▶
Wait for 10 minutes after disconnecting
from the power supply.
1. Disconnect the instantaneous water heater from the
power supply.
2. Close the stopcock on the cold water connection.
3. Open the valve for the draw-off point.
4. Unscrew the water connections.
5. Remove the product from its retainer.
6. Drain the remaining water from the product via the
water connections.
10 Decommissioning
▶
Disconnect the electric instantaneous water heater from
the power supply.
▶
Close the stopcock on the cold water connection.
▶
Drain the product. (
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Page 45)
▶
Do not store the product in rooms that are prone to frost.
Note
There is a risk of material damage caused by
frost because water residues may be in the
product.
11 Recycling and disposal
Disposing of the packaging
▶
Dispose of the packaging correctly.
▶
Observe all relevant regulations.