Heat pump hot water cylinder WP-H-750 high-performance hybrid heating solution

Enamelled hybrid domestic hot water
cylinder WP-H 750, the perfect solution
for hybrid heating systems. It optimises
the combination of a heat pump with an
oil or gas heating system for example,
and ensures efficient and reliable
DHW heating. The double-wound high-
performance heat exchanger in the lower
section guarantees a very high DHW
output with minimal pressure loss during
heat pump operation thanks to the
excellent heat transfer. The upper heat
exchanger can be used for auxiliary
heating with e.g. an oil/gas boiler.
This means that the conventional heat
generator can support the heat pump at a
high temperature level. In monovalent
operation, the heat exchangers can be
connected for greater efficiency and
an increase in system efficiency. The
durable two-layer enamelling, protected
by three magnesium protective anodes,
guarantees a high level of resistance.
The cylinder has a cleaning flange and
connections for circulation, thermometer
and sensors. There is also a connection
for an electric heating element for
emergency heating or to use excess
PV power. The 75 mm PU rigid foam
insulation minimises energy losses and
maximises efficiency

Technical data:
nominal volume: 49 litres
material: steel S235JR
corrosion protection inside: enamelled
corrosion protection outside: priming
height without insulation: 1790 mm
height with insulation: 1845 mm
tilted height: 1830 mm
diameter without insulation: 790 mm
diameter with insulation: 940 mm
weight: 285 kg
max. operating pressure: 10 bar
max. operating temperature: 95 °C

Heat exchangers:
surface top: 0.9 m²
surface bottom (double coil): 6.0 m²
capacity top: 5.1 l
capacity bottom (double coil): 38 l
max. operating pressure: 10 bar
max. operating temperature: 110 °C

Connections:
heat exchanger top: 2x DN32 (1 1/4")
sensors: 2x DN15 (1/2")
thermometer: 1x DN15 (1/2")
hot water sensor: 1x DN15 (1/2")
DHW: 2x DN32 (1 1/4")
circulation: 1x DN25 (1")
heat exchanger bottom: 2x DN40 (1 1/2")
anodes: 2x DN32 (1 1/4"), pre-installed
flange with M8-anode pre-installed:
170/114 mm / bolt circle 145 mm
immersion heater*: 1x DN40 (1 1/2")
*max. installation length: 800 mm

Thermal insulation:
material: solid foam
lambda λ: 0.0235 W/(mK)
thickness: 75 mm +/- 10% (detachable)
protective sheath: PVC foil silver
fire protection class according to
DIN 4102 for the complete insulation: B2
Standby energy consumption according to
DIN EN 12897:2020-05: 2.74 kWh/24h
standing heat loss: 114 W
energy efficiency class: C

ATTENTION:
yearly maintenance of anode,
retighten flange