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1.1 Important information:
ATTENTION!
The device is not suitable for operation with a frequency converter.
ATTENTION!
When transporting the heat pump, care must be taken to ensure that it is
not tilted more than 45° (in any direction).
ATTENTION!
The heat pump and the wooden pallet are only joined by the packing film.
ATTENTION!
Do not restrict or block up the area around the air inlet or outlet.
ATTENTION!
In the case of large-volume heating circuits, an additional expansion
vessel must be used to supplement the installed expansion vessel (24
litres, 1.0 bar admission pressure).
ATTENTION!
Never use cleaning agents containing sand, soda, acid or chloride
because these could damage surfaces.
ATTENTION!
To prevent the accumulation of deposits (e.g. rust) we recommend using
a suitable corrosion protection system.
ATTENTION!
Before opening the device, ensure that all circuits are isolated from the
power supply.
ATTENTION!
Any work on the heat pump may only be performed by authorised and
qualified after-sales service technicians.
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1.2 Legal Regulations and
Directives
The construction and design of the heat pump complies with all
relevant EU directives, DIN/VDE regulations (see CE declaration
of conformity).
When connecting the heat pump to the power supply, the rele-
vant VDE, EN and IEC standards are to be fulfilled. Any further
connection requirements stipulated by local utility companies
must also be observed.
When connecting the heating and/or cooling system, all applica-
ble regulations must also be adhered to.
1.3 Energy-Efficient Use of the
Heat Pump
With the purchase of this heat pump you are helping to protect
the environment. A prerequisite for energy-efficient operation is
the correct design of the heat source system and heating (radia-
tors and circulation pump) or cooling system.
It is particularly important for the efficient heating operation of a
heat pump to keep the temperature difference between the
heating water and the heat source as small as possible. For this
reason, it is advisable to design the heat source and heating sys-
tem very carefully. A temperature difference of approx. one
Kelvin increases the power consumption by around 2.5 %.
When designing the heating system, it should be borne in mind
that special consumers such as e.g. hot water preparation should
also be considered and dimensioned for low temperatures. Un-
derfloor heating systems (panel heating) are optimally suited
for heat pump use on account of the low flow temperatures
(30 °C to 40 °C).
It is important to ensure that the heat exchangers are not con-
taminated during operation because this increases the tempera-
ture difference, in turn reducing the COP.
Correct adjustment of the heat pump controller is also important
for energy-efficient use of the heat pump. Further information can
be found in the heat pump controller's operating instructions.
The heat pump is equipped with an overflow mechanism to pre-
vent very low flow rates in the heat pump.
The installed buffer tank increases the amount of water in the
heating circuit and guarantees reliable defrosting.
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