14 | PER 18/21/24 www.stiebel-eltron.com
INSTALLATION
Installation
Re-plugging the coding card
In its delivered condition, the appliance is set to 21kW. When
changing to a different connected load, carry out the following
steps:
18
kW
24
21
18
kW
24
21
D0000037821
Re-plug the coding card according to the selected connected
load (for selectable connected load and fuse protection of the
appliance, see "Specification/ Data table").
Tick the selected connected load on the type plate. Use a ball-
point pen to do this.
Fitting the base part of the back panel
3
L
3’
4
L
2’
1
L
1’
2
L
L
L
NT C
T-
sol
l
X11
26�02�02�1348
Position the lower back panel on the main back panel and
click it into place.
Align the mounted appliance by loosening the fixing toggle,
aligning the power supply and back panel, and then re-tight-
ening the fixing toggle. If the back panel is not flush with the
wall, the appliance can be secured at the bottom with two
additional screws.
10.2 Installation options
10.2.1 Electrical connection from below on unfinished walls
18
kW
24
21
26�02�02�0890
Fit the cable grommet.
!
Material losses
If you break open the wrong knock-out in the back panel
by mistake, you must use a new back panel.
Break out the cable grommet knock-out in the back panel.
Deburr any sharp edges with a file if necessary.
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 locking 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 tog-
gle by turning it clockwise through 90°.
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