Alpha-InnoTec SWC - Series Посібник з експлуатації - Сторінка 8
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Control unit
2
1
1
Control
updates and for data logging)
for wall-mounted installation)
Underside of control
2
1
1
RBE (RS 485)
3
LIN bus cable connection to the heat pump
4
not used
3.2 Accessories
The following accessories are available for the unit
through the manufacturer's local partner:
panel, if the control is mounted on the wall
8
Subject to change without notice | 83056700dUK – Translation into English of the original German operating manual | ait-deutschland GmbH
3
4
Room thermostat for switching the cooling
function (if included)
Dew point monitor for protecting a system with
Expansion board for automatic changeover
between heating and cooling mode
Manual output control heating element (MLRH)
for limiting the output of the electric heating
element
with a cooling function
for units without cooling: Pump assemblies
circuit)
3.3 Function
Liquid refrigerant is evaporated (evaporator), the
energy for this process is environmental heat and
comes from the "ground" heat source (collector,
borehole
heat
exchanger
intermediate exchanger). The gaseous refrigerant
is compressed (compressor), this causes the
pressure to rise and therefore the temperature too.
The gaseous refrigerant with high temperature is
Here the high temperature is discharged to the
heating water and is used in the heating circuit.
The liquid refrigerant with high pressure and high
temperature is expanded (expansion valve). The
pressure and temperature drop and the process
begins again.
Due to the integrated changeover valve and the
heated heating water can be used for charging the
domestic hot water or for heating the building. 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 using the integrated electric
heating element, which is activated by the heat pump
controller as and when necessary.
pump does not switch to high-pressure fault if all
heating circuits are closed. The integrated vibration
isolators for the heating circuit and heat source
prevent structure-borne sound and vibrations from
into the building.
or
groundwater
via