INSTALLATION
Installation
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8.2 Transport
For transportation, the appliance is secured to the pallet with
metal brackets.
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Remove the screws from the pallet.
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Turn the metal brackets to the inside of the adjustable feet
under the appliance.
Removing the appliance from the pallet
!
Material losses
Rolling the appliance off the pallet can damage the sheet
metal jacket.
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Tilt the appliance using the adjustable feet to remove it from
the pallet.
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Set the appliance down on the floor on the adjustable feet.
9. Installation
9.1 Removing / fitting the cylinder casing
Note
Open or remove the cylinder casing before fitting the DHW
circulation and indirect coil lines.
The plinth trim should be fitted after the tightness check.
9.2 Indirect coil connection
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Flush the indirect coil with water before connection.
9.2.1 Oxygen diffusion
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Material losses
Avoid open vented heating systems and underfloor
heating systems with plastic pipes that are permeable
to oxygen.
In underfloor heating systems with plastic pipes that are per-
meable to oxygen and in open vented heating systems, oxygen
diffusion may lead to corrosion on the steel components of the
heating system (e.g. on the indirect coil of the DHW cylinder, on
buffer cylinders, steel radiators or steel pipes).
!
Material losses
The products of corrosion (e.g. rusty sludge) can set-
tle in the heating system components, which may re-
sult in a lower output or fault shutdowns due to reduced
cross-sections.
9.3 Water connection and safety assembly
9.3.1 Safety instructions
Note
Carry out all water connection and installation work in
accordance with regulations.
Cold water line
Steel or copper pipes, or plastic pipework, are approved materials.
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Material losses
A safety valve is required.
DHW line
Copper or plastic are approved materials for pipework.
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Material losses
For the combined use of a threaded immersion heater
and plastic pipework systems, observe the maximum
permissible temperature and the maximum permissible
pressure specified in chapter "Specification / Data table".
!
Material losses
Operate the appliance only with pressure-tested taps.
9.3.2 Connection
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Flush the pipework thoroughly.
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Observe the information in the installation instructions of the
safety assembly.
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Connect the DHW outlet and the cold water inlet lines with
the safety assembly. Please note that, depending on the stat-
ic pressure, you may also need a pressure reducing valve.
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Size the drain so that water can drain off unimpeded when
the safety valve is fully opened. The safety valve discharge
aperture must remain open to the atmosphere.
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Install the discharge pipe of the safety assembly with a con-
stant slope.