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HYDRAULIC CONNECTIONS
Note and follow all relevant regulations, standards, guidelines
and directives when integrating the multi-functional storage
tank in the drinking water and heating network.
Note and follow the relevant DVGW regulations and
recommendations and the regulations of the water
supply company when connecting to the drinking water.
Integrate the multi-functional storage tank in the heating
system and domestic hot water circuit as shown in the
hydraulic diagram.
Hydraulic connection
Do not exceed the operating pressures specified on the
rating plate and in the technical data. Install a pressure
reducer, if necessary.
CAUTION!
The
electrical
domestic hot water must be > 100 μS/cm
and lie within the required drinking water
quality. The sulphate and chlorine content
must not exceed 300 mg/l in total!
We recommend installing a suitable expansion vessel (not
included in delivery) in the hot water circuit. This equalises
pressure fluctuations or water shocks in the cold water
network and prevents unnecessary loss of water.
Use a safely valve according to the respective relevant
standards, guidelines and directives and according to the
maximum allowable operating pressures of the storage
tank and components.
The safety drain of the safety valve must lead into
the drain via a funnel siphon in accordance with the
applicable standards and regulations!
Domestic hot water connection diagram to DIN 1988:
1 Shut-off valve
3 Check valve
5 Safety valve
7 Circulation pump
NOTICE: This diagram does not take into account any scalding protection!
see hydraulic connections
10
NIBE
AP-WH7
TM
conductivity
of
the
2 Pressure reducing valve
4 Pressure gauge and test valve
6 Emptying valve
8 Vent valve
We reserve the right to make technical changes
SENSOR INSTALLATION
Always use the sensor springs included in the scope of
delivery when installing the sensors (domestic hot water
sensor and return temperature sensor).
Position the sensor on the outside of the sensor spring
2
2
Push the sensor and sensor spring together into the
respective sensor pocket
1
2
1 Sensor spring
2 Sensor
3 Sensor pocket (is already
installed in the tank)
Push in the sensor up to the end of the sensor pocket
For position of the sensor pocket, see dimensioned
drawing
NOTICE
Always install the sensor springs, to ensure
optimum temperature transfer! Take care not
to damage the insulation of the sensor cable!
NOTICE
Refer to the instruction manual for the
heating and heat pump regulator for the
regulator settings required for parallel
tank. Refer to the terminal diagram of the
respective heat pump type for details of
the circulating pump connections and, if
installed, the changeover valve!
Sensor connection as shown in the "terminal
diagram of the respective heat pump type".
GB830174Ni/210621 – Translation of the operating manu-
3
1
3
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