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Subject to technical amendments without notice | 83059700iUK – Translation of the original operating manual | ait-deutschland GmbH
3.3 Accessories
The following accessories are available for the device
through the manufacturer's local partner:
●
Domestic hot water tank
● Buffer tank
●
Room thermostat to switch the cooling function
●
Dew point monitor to protect a system with cooling
function at low flow temperatures
●
Recirculating pumps
●
Switching valves
●
Connection kit with vibration decoupling for
heating circuit
●
Connection kit with vibration decoupling for
desuperheater
3.4 Function
Liquid refrigerant is evaporated (evaporator), the
energy for this process is environmental heat and
comes from the outside air. The gaseous refrigerant
is compressed (compressor), this causes the pressure
to rise and therefore the temperature too. The
gaseous refrigerant at a high temperature is liquefied
(condenser).
The high temperature is hereby discharged to the
heating water and is used in the heating circuit.
The liquid refrigerant at a high pressure and high
temperature is depressurised (expansion valve).
The pressure and temperature drop and the process
begins again.
The heated heating water can be used for the domestic
hot water charging or for the building heating. The
temperatures required and use are controlled by the
heat pump controller. Reheating, drying out screed or
increasing the domestic hot water temperature can be
carried out by using an electric heating element, which
is activated by the heat pump controller as and when
necessary.
The vibration decouplers (accessories) for the
hydraulics prevent structure-borne sound and
vibrations from being transferred into the fixed pipes
and therefore into the building.
Cooling
Cooling is integrated in the units. The following
options are possible for units with cooling function
(
operating manual for the heating and heat pump
controller):
●
Active cooling
●
Cooling below 18 °C is only possible in the case
of hydraulic integration with separation buffer tank
●
Control of the cooling function via the heating and
heat pump controller
●
Changeover between heating and cooling
operation
