INSTALLATION
Preparation
Pipe assembly for undersink appliances
You will need the undersink installation set if you make the water
connections (G
3
/s A) at the top of the appliance.
Pipe assembly for offset installation
Use this pipe assembly if you intend to offset the appliance by up
to 90 mm downwards from the water connection.
Pipe assembly for replacing a gas water heater
You will need this pipe assembly set if the existing installation
has gas water heater connections (cold water connection on the
left-hand side, DHW connection on the right-hand side).
Pipe assembly for DHB water plug-in couplings
Use the water plug-in couplings if the existing installation contains
water plug-in connections from a DHB water heater.
Load shedding relay (LR 1-A)
The load shedding relay for installation in the distribution board
provides priority control for the instantaneous water heater when
other appliances, such as electric storage heaters, are being op¬
erated simultaneously.
9. Preparation
9.1 Installation location
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Material losses
Install the appliance in a room free from the risk of frost.
► Always install the appliance vertically and near the draw-off
point. For horizontal installation, see chapter "Alternative in¬
stallation methods / Horizontal installation of the appliance".
The appliance is suitable for undersink and oversink installation.
Undersink installation
2 DHW outlet
2 DHW outlet
Note
► Mount the appliance on the wall. The wall must have
sufficient load bearing capacity.
9.2 Minimum clearances
► Maintain the minimum clearances to ensure trouble-free op
eration of the appliance and facilitate maintenance work.
9.3 Water installation
► Flush the water line thoroughly.
Taps/valves
Use appropriate pressure taps. Open vented taps are not per¬
missible.
Note
Never use the 3-way ball shut-off valve in the cold water
inietto
reduce the flow rate. The 3-way ball shut-off valve
is intended only to shut off the cold water inlet.
Permissible water line materials
- Cold water inlet line:
Pipes made from galvanised steel, stainless steel, copper or
plastic
- DHW outlet line:
Pipes made from stainless steel, copper or plastic
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Material losses
If plastic pipework systems are used, take into account
the maximum inlet temperature and the maximum per¬
missible pressure.
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ENGLISH
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