www.stiebel-eltron.com DHF C-AU| 7
INSTALLATION
Installation
Taps/valves
Use appropriate pressure taps. Open vented taps are not per-
missible.
Thermostatic pressure valves must be suitable for hydraulically
controlled instantaneous water heaters.
Permissible water line materials
- Cold water inlet pipe:
Pipes made from galvanised steel, stainless steel, copper or
plastic
!
Material losses
If you use plastic pipework in the cold water inlet line,
you must observe the following condition:
f Install a metal pipe approx. 1 m in length at the ap-
pliance cold water connection. Then you can install
the plastic pipework.
- DHW outlet line:
Stainless steel pipe or copper pipe
!
Material losses
The instantaneous water heater is unsuitable for installa-
tion with plastic pipework in the DHW outlet line.
10. Installation
10.1 Standard installation
- Electrical connection from below on unfinished walls
- Water connection, installation on finished walls
For further installation options, see chapter "Alternative instal-
lation methods":
- Water installation on unfinished walls
- Power cable for finished walls
Opening the appliance
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f Turn the cap to the left and pull it forwards to remove it.
f Undo the screw.
f Pivot open the appliance cover.
Preparing the power cable
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Making the water connection
!
Material losses
Carry out all water connection and installation work in
accordance with regulations.
D0000041720
f Remove the caps from the tees.
f Fit the plugs and the extensions with gaskets at the tees.
D0000043188
f Fit the strainer and the plastic profile washer in the tee for
the cold water inlet.
!
Damage to the appliance and environmental pollution
The strainer must be fitted for the appliance to function.
f When replacing the appliance, check that the strain-
er is present.
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f Remove the transport protection plugs from the appliance
connections.
f Screw the pre-assembled parts with flat gaskets to the cold
water and DHW pipes of the appliance.
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