Operating Instructions and Installation Instructions

23
Installation – for qualied contractors
Removing / replacing the ow limiter
Note
Never remove the ow limiter if you are using a ther-
mostatic valve.
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1 Plastic prole washer
2 Flow limiter
» Remove the ow limiter. Re-insert the plastic prole
washer.
DDLE Basis 18/21/24: Replace the ow limiter
» If 24 kW connected load has been selected, replace
the tted ow limiter (white) with the ow limiter sup-
plied (orange, xed to the cold water pipe).
Making the electrical connection
WARNING Electrocution
Carry out all electrical connection and installation
work in accordance with relevant regulations.
WARNING Electrocution
The connection to the power supply must be in the
form of a permanent connection in conjunction with
the removable cable grommet. Ensure the appliance
can be separated from the power supply by an iso-
lator that disconnects all poles with at least 3 mm
contact separation.
WARNING Electrocution
Ensure that the appliance is earthed.
!
Material losses
Observe the type plate. The specied voltage must
match the mains voltage.
» Connect the power cable to the mains terminal
(see chapter "Installation / Specication / Wiring
diagram").
DDLE Basis 18/21/24: Re-plugging the coding
card
In its delivered condition, the appliance is plugged to
21 kW. When changing to a different connected load,
carry out the following steps:
D0000047341
» Re-plug the coding card according to the actual
connected load (for connected load options and fuse
protection of the appliance, see chapter "Installation /
Specication / Data table").
» Tick the selected connected load on the type plate.
Please use a ballpoint pen to do this.
Fitting the lower section of the back panel
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» Fit the lower section into the back panel. Click the
lower section of the back panel into place.
» Align the mounted appliance by loosening the xing
toggle, aligning the power supply and back panel,
and then re-tightening the xing toggle. If the appli-
ance back panel does not rest against the wall, you
can secure the appliance with two additional screws
(see chapter "Installation / Installation options /
Water installation on nished walls").