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INSTALLATIoN
Installation
f Slide the upper appliance section to the back until it is flush
with the lower appliance section. If the appliance sections
are joined correctly, the final position is determined by the
guide groove and guide pin.
f Secure the tabs on the appliance front.
f Fit the insulation segment and the 4 hydraulic hoses.
f Connect the push-fit connectors of the 4 hydraulic connec-
tions. Ensure that the spring clips click into place.
f Insert the "heating sensor" at the buffer cylinder.
f Lay the sensor leads in the guide groove provided for this
purpose in the insulation segment.
10. Installation
10.1 Positioning the appliance
f When positioning the appliance, observe minimum clearanc-
es (see chapter "Preparations / Installation site").
f Use the adjustable feet to compensate for any unevenness in
the floor.
10.2 Heating water connection and safety valve
10.2.1 Safety instructions
Material losses
!
The heating system to which the appliance is connected
must be installed by a qualified contractor in accord-
ance with the water installation drawings in the technical
guides.
Material losses
!
When fitting additional shut-off valves, install a further
safety valve in an accessible location on the heat gen-
erator itself or in the flow line in close proximity to the
heat generator.
There must be no shut-off valve between the heat gen-
erator and the safety valve.
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Oxygen diffusion
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.
Supply lines
f The maximum permissible line length between the appli-
ance and the heat pump will vary, depending on the version
of the heating system (pressure drop). As a standard value,
assume a maximum line length of 10 m and a pipe diameter
of 22-28 mm.
f Insulate the flow and return lines in accordance with regional
regulations.
f Connect the hydraulic connections with flat gaskets.
Pressure differential:
If the available external pressure difference is exceeded, the pres-
sure drop in the heating system could result in a reduced heating
output.
f When sizing the pipes, ensure that the available external
pressure differential is not exceeded (see chapter "Specifica-
tion / Data table").
f When calculating the pressure drop, take account of the flow
and return lines and the pressure drop of the heat pump.
The pressure drop must be covered by the available pressure
differential.
HSBC 200 L |
31
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