Electrical Connection On Finished Walls; Large Conductor Cross-Section For Electrical Connection From Below; Connecting A Load Shedding Relay; Water Installation On Finished Walls - STIEBEL ELTRON DHB 18 STi Bedienung Und Installation

INSTALLATIoN
Alternative installation options
f Reposition the mains terminal from the bottom to the top. f
Secure the mains terminal by pushing it under the locking
hook.
f Lay the control wires below the wire guide. f

13.2 Electrical connection on finished walls

Note
This type of connection changes the protection rating of
the appliance.
f Change the type plate. Cross out "IP 25" and mark f
the box "IP 24". Please use a ballpoint pen to do this.
Material losses
!
If you break out the wrong knock-out by mistake, use a
new back panel.
f Cleanly cut or break out the required cable entries in the f
back panel (for positions, see chapter "Installation / Specifi-
cation / Dimensions and connections"). Deburr sharp edges
with a file if necessary.
f Route the power cable through the cable grommet and con- f
nect the power cable to the mains terminal.
13.3 Large conductor cross-section for electrical
connection from below
If you use cables with a large cross-section, you can fit the cable
grommet after the appliance has been installed.
1.
3.
26 | DHB STi
f Before installing the appliance, use a screwdriver to push out f
the cable grommet.
f Slide the cable grommet over the power cable. Use the f
installation aid supplied in the standard delivery. If the
cross-section is > 6 mm², enlarge the hole in the cable
grommet.
f Push the cable grommet into the back panel. Engage the f
cable grommet in position.

13.4 Connecting a load shedding relay

When operating additional electric appliances, such as electric
storage heaters, install a load shedding relay in the distribution
board. 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 protection rating of
the appliance.
f Change the type plate. Cross out "IP 25" and mark
2.
f Fit water plugs with gaskets to seal the connection on unfin- f
ished walls. 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 part of the back panel under the connecting f
pipes of the tap and push it into the back panel.
f Fit the connection pipes together with the tee and 3-way ball f
shut-off valve.
4.
f
the box "IP 24". Please use a ballpoint pen to do this.
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