Connecting A Load Shedding Relay; Water Installation On Finished Walls; Water Installation On Finished Walls With Solder; Press-Fit Fittings - STIEBEL ELTRON DHB 18 STi Bedienung Und Installation

INSTALLATIoN
Alternative installation methods

13.4 Connecting a load shedding relay

Install a load shedding relay in the distribution board in conjunc-
tion with other electric appliances, e.g. electric storage heaters.
The relay responds when the instantaneous water heater starts.
Material losses
!
Connect the phase that switches the load shedding relay
to the indicated terminal of the mains terminal in the ap-
pliance (see chapter "Installation / Specification / Wiring
diagrams").

13.5 Water installation on finished walls

Note
This type of connection changes the IP rating of the ap-
pliance.
f Change the type plate. Cross out "IP 25" and mark f
the box "IP 24". Use a ballpoint pen to do this.
24
18 Nm
f Fit water plugs with gaskets to seal the concealed connec- f
tions. All taps listed under "Accessories" are supplied with
plugs and gaskets as part of their standard delivery. For
pressure taps other than those we recommend, plugs and
gaskets can be ordered as "Accessories".
f Fit a suitable pressure tap. f
f Push the lower back panel section under the connecting f
pipes of the tap and push it into the back panel.
f Secure the connection pipes to the tee and the 3-way ball f
shut-off valve.
13.6 Water installation on finished walls with
solder/press-fit fittings
You can connect copper or plastic pipes using the accessories
"solder fitting" or "compression fitting".
With "solder fitting" with threaded fitting for 12 mm copper pipes,
proceed as follows:
f Push the union nuts over the connection pipes. f
f Solder the inserts to the copper pipes. f
f Push the lower back panel section under the connecting f
pipes of the tap and push it into the back panel.
f Secure the connection pipes to the tee and the 3-way ball f
shut-off valve.
Note
Observe the tap manufacturer's instructions.
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13.7 Water installation on finished walls; fitting the

1 Cover guide pieces
2 Pipe knock-out
3 Screw
f Cleanly break out the knock-out apertures in the appliance f
f Click the cover guides into place in the knock-outs. f
19
f Secure the back panel at the bottom with a screw. f
5 Nm
f If you use flexible water connection pipes, prevent pipe f
13.8 Fitting the base part of the back panel with
If using threaded connections for finished walls, the base part of
the back panel can also be installed after fitting the taps. To do
this, carry out the following steps:
f Cut open the lower back panel section. f
f Fit the lower back panel section by bending it out at the sides f
f Insert the connection pieces into the lower back panel sec- f
f Click the lower back panel section into place. f
f Secure the lower back panel section with a screw. f
1 Lower back panel section
2 Connection pieces delivered in the pack
3 Screw

appliance cover

3
cover. If necessary, use a file.
bends from twisting (bayonet connections in the appliance).
threaded fittings on finished walls
and guiding it over the pipes.
tion from behind.
3
1
1
2
2
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