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User and installation manual
General information:
The heat pump usually covers a family's need for hot water throughout the year. BWP 270 1A is equipped with an
additional internal heat exchanger (coil, built into the hot water tank). This design opens the possibility for dual-fuel
installations (HP + boiler or solar station or electric) and to use the DHW HP as primary source for heating or heating
support (e.g. if the central heating boiler is switched off in the summer period, the DHW HP coil can be used to procure
heating energy or the partial heating of bathrooms and other small spaces. Refer to page 19 "Connection Example".
The installation and the first launch of the DHW HP have to be made by a qualified and authorised installer according to
the instructions and recommendations of this manual. Before connecting the DHW HP to the mains, the DHW HP and
the installation have to be filled completely with water and to be checked for leakages. Ensure that the air flow
requirements are met (room volume, air source, vent ...). At first launch (or when the tank has been drained) the heat-up
time (ambient air temperature of approx. 15°C, DHW temperature 45-55°C) is likely to be 8 to 10 hours. Choose the HP
operating mode to start, perhaps in combination with the supplementary heating.
NOTE: The appliance is not to be used by children or persons with reduced physical, sensory or mental capabilities, or
lack of experience and knowledge unless they have been given supervision or instruction. Children must be supervised
not to play with the appliance.
HP WORKING PRINCIPLE:
The HP is the prioritized energy source for the generation of DHW. The heat pump operates according to the air to water
principle: The energy is extracted from the ambient air in the evaporator. In order to ensure the energy supply, the air is
forced through the evaporator by a powerful fan. The energy is transported in the HP circuit from the evaporator to the
compressor- In the compressor the energy will be transformed to a higher temperature level. This process only need
30% of the thermal output energy as input (as electrical energy for fan and compressor, the thermal energy comes for
free from the air). Finally the thermal energy from the compressor is transferred via condenser (external heat exchanger)
to the DHW tank to generate DHW. Thus you are saving 70% of energy and energy cost.
TECHNICAL DATA
TECHNICAL DATA:
Dimensions:
Weight without packaging:
Voltage/frequency:
Heat pump input:
Heat pump output:
High supplementary heating:
Fuse protection:
Thermostat for supplementary heating:
Refrigerant:
Air flow:
Air temperature: BWP 270 0A/ BWP 270 1A
Boiler: BWP 270 0A
Boiler: BWP 270 1A
Working pressure:
Anode:
Water temperature:
Water capacity:
Idle consumption - at 15 °C air temperature
and 55 °C water temperature - measured according DIN 8947:
Water connections
Heat exchanger, heat surface BWP 270 1A:
Stocking and transport temperature range
*According to ASHRAE
– Cold water:
– Hot water:
– Condensation water:
– Heat exchanger:
– Circulation connection:
H: 1768 mm, Ø707mm
145-168-190 kg
230 V / 50 Hz Phase-Neutral-Earth
395 Watt*
1421 Watt*
2000 Watt/230 V
Minimum 13 A
Set at 65°C, controlled via the display
See nameplate
Min/Max. 200/300 m3/h
Min. -10 °C to max. +35 °C
Enamelled, 270 l.
Enamelled, 258 l.
Max.1 MPa / 10 bar
Magnesium - 5/4" RT
Adjustable - max. 62 °C
850 L / 24h
0.7 kWh/24h
1" RT
1" RT
1/2" RT
1" RT
3/4" RT
1.00 m² (5.90 L)
-20°C to 60°C
7
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