25
Installation - for qualified contractors
» Reposition the mains terminal in the appliance from
the top to the bottom.
» Push the back panel over the threaded stud and the
cable grommet. Pull the cable grommet by the lock-
ing hooks into the back panel using pliers, until both
locking hooks audibly click into place.
»
Press the back panel firmly into place and lock the
fixing toggle by turning it clockwise through 90°.
10.2.2
Electrical connection for finished walls
Note
This type of connection changes the protection rat
-
ing of the appliance.
»
Change the type plate.
Cross out “IP 25” and
mark the box “IP 24”.
Please use a ballpoint pen
to do this.
!
Material losses
If you break out the wrong knock-out by mistake, you
should use a new back panel.
» Cut or break out the required entries in the back
panel cleanly (for positions, see chapter “Specifi
-
cation / Dimensions and connections”). Deburr the
sharp edges with a file if necessary.
» Route the power cable through the cable grommet
and connect it to the mains terminal.
10.2.3
Connecting a load shedding relay
Install a load shedding relay in the distribution board in
conjunction with other electric appliances, e.g. electric
storage heaters. The relay responds when the instanta-
neous water heater starts.
!
Material losses
Connect the phase that switches the load shedding
relay to the indicated terminal of the mains terminal
in the appliance (see chapter “Specification / Wiring
diagram”).
10.2.4
Undersink installation, water connections –
from above
An undersink installation with water connections from
above can be achieved with the additional pipe assembly
for undersink appliances. Cleanly break out the water pipe
knock-outs in the back panel and fit the pipe set.
10.2.5
Water installation for finished walls
Note
This type of connection changes the protection rat
-
ing of the appliance.
»
Change the type plate.
Cross out “IP 25” and
mark the box “IP 24”.
Please use a ballpoint pen
to do this.
26
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2_0
2_0
76
5
» Fit water plugs with gaskets to seal the connection
on unfinished walls.
» Fit a suitable pressure tap.
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2_0
2_
100
6
» Click the lower part of the back panel into place in
the upper part of the back panel.
» Secure the connection pipes to the appliance.
» Secure the back panel at the bottom with two addi-
tional screws.
!
Material losses
If you break out the wrong knock-out by mistake, you
should use a new back panel.
» Cleanly break out the knock-outs in the appli-
ance cover.
Deburr the sharp edges with a file if
necessary.
» Push the lower part of the back panel under the con-
nection pipes of the tap and click the lower part of
the back panel into place.
» Secure the connection pipes to the appliance.
10.2.6
Operation with preheated water
You can limit the maximum inlet temperature by installing
a central thermostatic valve.
10.2.7
Temperature limit
CAUTION Burns
If operating with preheated water, the set tempera
-
ture limit and anti-scalding protection may be inef
-
fective.
»
In this case, limit the temperature with an up
-
stream central thermostatic valve.
You can set the temperature limit inside the appliance
cover to 43 °C.
D
00000
41
91
2
» Switch the temperature limit to 43 °C.
After enabling the temperature limit, you can only select
temperatures between 30 and 43 °C.
10.3
Completing the installation
» Open the shut-off valve in the twin connector or the
cold water inlet line.
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