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1.1 Important Information
ATTENTION!
The heat pump is not secured to the wooden pallet.
ATTENTION!
The heat pump must not be tilted more than 45° (in any direction).
ATTENTION!
Do not use the holes in the panel assemblies for lifting the device!
ATTENTION!
Flush the heating system prior to connecting the heat pump.
ATTENTION!
The supplied dirt trap must be inserted in the heat source inlet of the heat
pump to protect the evaporator against the ingress of impurities.
ATTENTION!
The brine solution must contain at least a 25% concentration of a
monoethylene glycol or propylene glycol-based antifreeze, which must
be mixed before filling.
ATTENTION!
Observe the clockwise rotating field when connecting the mains cable (if
rotating field is not clockwise, the heat pump will not work properly and
will be very noisy).
ATTENTION!
The heat pump must be started up in accordance with the installation and
operating instructions of the heat pump controller.
ATTENTION!
We recommend the installation of a suitable corrosion protection system
to prevent the formation of deposits (e.g. rust) in the condenser of the
heat pump.
ATTENTION!
Any work on the heat pump may only be performed by authorised and
qualified after-sales service technicians.
ATTENTION!
Disconnect all electrical circuits from the power source prior to opening
the device.
1.2 Legal Regulations and
Directives
This heat pump conforms to all relevant DIN/VDE regulations
and EU directives. Refer to the EC Declaration of Conformity in
the appendix for details.
The heat pump must be connected to the power supply in com-
pliance with all relevant VDE, EN and IEC standards. Any further
connection requirements stipulated by local utility companies
must also be observed.
The heat pump is to be connected to the heat source system or
the heating system in accordance with all applicable regulations.
E-2
All manuals and user guides at all-guides.com
1.3 Energy-Efficient Use of the
By operating this heat pump you are helping to protect our envi-
ronment. The heating or cooling system and the heat source
must be properly designed and dimensioned to ensure efficient
operation. It is particularly important to keep water flow tempera-
tures as low as possible in heating operation. All connected en-
ergy consumers should therefore be suitable for low flow temper-
atures. Raising the heating water temperature by 1 K
corresponds to an increase in energy consumption of approx.
2.5%. Low-temperature heating systems with flow temperatures
between 30 °C and 50 °C are particularly well-suited for energy-
efficient operation.
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2.1 Application
The brine-to-water heat pump is designed for use in existing or
newly built heating systems. Brine is used as the heat carrier in
the heat source system. Borehole heat exchangers, ground heat
collectors or similar systems can be used as the heat source.
2.2 Operating Principle
Heating
The heat generated by the sun, wind and rain is stored in the
ground. This heat stored in the ground is collected at a low tem-
perature by the brine circulating in the ground collector, ground
coil or similar device. A circulating pump then conveys the
"heated" brine to the evaporator of the heat pump. There the heat
is given off to the refrigerant in the refrigerating cycle. This cools
the brine so that it can absorb thermal energy in the brine circuit.
The refrigerant is drawn in by the electrically driven compressor,
compressed and "pumped" to a higher temperature level. The
electrical power needed to run the compressor is not lost in this
process. Most of it is absorbed by the refrigerant.
Subsequently, the refrigerant is passed through the condenser
where it transfers its heat energy to the heating water. Depend-
ing on the set operating point (thermostat setting), the heating
water is thus heated up to a max. of 60 °C.
Cooling
The functions of the evaporator and the liquifier are reversed in
the "Cooling" operating mode.
The heating water transfers its heat to the refrigerant via the liq-
uifier which is now functioning as an evaporator. The refrigerant
is pumped to a higher temperature level using the compressor.
Heat passes into the brine via the liquifier (evaporator in heating
operation) and consequently into the ground.
Heat Pump
Purpose of the Heat
Pump
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