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Installation
Safety
INSTALLATION
7. Safety
Only a qualified contractor should carry out installation, commis-
sioning, maintenance and repair of the appliance.
7.1 General safety instructions
We guarantee trouble-free operation and operational reliability
only if the original accessories and spare parts intended for the
appliance are used.
7.2 Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
8. Appliance description
8.1 Standard delivery
Delivered with the appliance:
- 2 fitted wall mounting brackets
- Safety valve with non-return valve
9. Preparations
9.1 Installation site
The appliance is designed for installation on a solid wall. Ensure
the wall offers adequate load bearing capacity.
There should be a suitable drain near the appliance to drain off
the expansion water.
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2�
09
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13
5
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Install the appliance vertically or horizontally as shown in a
room free from the risk of frost and near the draw-off point.
10. Preparing for installation
10.1 Preparing to install the appliance
The wall mounting brackets attached to the appliance have hook-
in slots, which in most cases enable installation on the bolts that
are already in place from previous appliances.
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Otherwise, transfer the dimensions for the holes to be drilled
on the wall (see chapter "Specification / Dimensions and
connections").
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Drill the holes, if required, and secure the wall mounting
brackets with screws and rawl plugs. Select fixing materials
in accordance with the wall construction/condition.
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Hook the appliance with wall mounting brackets on to the
screws or bolts. Observe the weight of the appliance when
empty (see chapter "Specification / Data table") and, if neces-
sary, ask another person to help.
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Align the appliance vertically or horizontally.
10.2 Water connection
!
Material damage
Make all water connection and installation work in ac-
cordance with regulations.
Cold water line
Steel or copper pipes or plastic pipework are approved materials.
DHW line
Copper or plastic pipework are approved materials.
!
Material damage
When using plastic pipework, observe chapter "Specifica-
tion / Fault conditions".
Note
If the water pressure is higher than 0.6 MPa, install a
pressure reducer in the "cold water inlet".
Operate the appliance only with pressure-tested taps.
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Thoroughly flush out the cold water line before connecting
the appliance, so that no foreign matter gets into the water
heater or safety valve.
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Connect the hydraulic connections with flat gaskets.
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Route the safety valve drain line to a drain free from the risk
of frost, with a continuous downward slope to ensure the un-
restricted flow of the water to the drain. The discharge aper-
ture of the safety valve must remain open to the atmosphere.