Connecting A Load Shedding Relay; Water Installation On Finished Walls; Water Installation On Finished Walls With Solder; Press-Fit Fittings - STIEBEL ELTRON DHB-E 18/21/24 LCD 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
appliance (see chapter "Specification / Wiring diagram").

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 obtained as accessories are supplied with
plugs and gaskets as standard. For pressure taps other than
those recommended by us, 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.
Note
You can break off the pipe fitting tabs on the lower back
panel section if required.
1
1 Tab
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 "press-fit 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
34 | DHB-E LCD
f Push the lower back panel section under the connecting
f Secure the connection pipes to the tee and the 3-way ball
13.7 Fitting appliance cover over water installation
19
5 Nm 1 Back panel guides
2 Screw
3 Cover guides with sealing lips on the pipe side
4 Pipe knock-out
f Cleanly saw and break out the pipe knock-outs in the appli-
f When installing the connection pipes without offset, break
f Click the cover guides into place in the knock-outs.
f Position the back panel guides on the pipes. Push them to-
f Secure the lower back panel section with a screw.
13.8 Lower back panel section installation with
1 Lower back panel section
2 Connection piece in the standard delivery
3 Screw
If using threaded fittings on finished walls, the lower back panel
section can also be installed after fitting the taps/valves. To do
this, carry out the following steps:
f
pipes of the tap and push it into the back panel.
f
shut-off valve.
Note
Observe the tap manufacturer's instructions.
on finished walls
4
3
2
1
f
ance cover. If necessary, use a file.
f
off the sealing lips on the cover guides.
f
f
gether. Then push the guide pieces against the back panel as
far they will go.
f
Note
Use the cover guides with sealing lips if the connection
pipes are slightly offset. In this case, the back panel
guides are not fitted.
threaded fittings on finished walls
3
1
2
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