Danfoss DHP-S 7Ua, User Manual

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Heat transfer fluid circuit (8) – is the water that transports the heat/
energy to the heating system and the hot water tank.
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Hot gas circuit – is a high temperature circuit for the hot water circuit’s
final heater. If the heat pump is not connected to any water heaters,
the hot gas circuit does not need to be connected.
1. The brine circuit (1) evaporates the refrigerant in the evaporator
(2), using heat from lake, ground or rock. The refrigerant is turned
to gas.
2. The refrigerant passes the compressor (3) where the pressure and
temperature are raised.
3. The refrigerant then continues to the de-superheater (4). Here a
small high temperature output is used, for example, to top up the
hot water temperature.
4. The heat transfer fluid circuit (hot gas circuit) condenses refrigerant
to liquid form in the condensor (5), by giving off heat to the house
and hot water.
5. The refrigerant then passes through the expansion valve (6) where
the pressure and temperature drop and converts the refrigerant
from liquid to liquid and gas. The process then starts again.
2.3 Hot water tank (option)
The heat pump can also produce hot water for an external water heater.
The water temperature of the hot water tank is controlled by the control
switch and cannot be adjusted.
Hot water production stops when the control switch reaches its maximum
operating pressure.
2.4 Room sensor (option)
The heat pump system can be equipped with a room sensor as an option.
Only authorised electricians may carry out the installation.
See wiring diagram for connections.
8 – User manual
VUIFM102