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Unit type
Product description
Compact S is a ventilation unit with heat recovery, that has a built-in heat pump, which is used for the production of domestic hot wa-
ter, but which is able to heat and cool the home via the ventilation air.
Compact S is designed for air flows of up to 375 m3/h at 100 Pa external counter-pressure.
The unit is primarily used in residential construction such as single-family houses and apartments. It ventilates the home by drawing
out the moist and bad air via valves in e.g. bathrooms, toilet, kitchen and utility room, and introduces fresh outdoor air in via valves in
living rooms such as. living room, bedrooms and family room.
The cold outdoor air is heated via the high-efficiency counterflow heat exchanger by the hot exhaust air. The heat loss that occurs via
heat recovery, the built-in heat pump use to produce domestic hot water. All the energy in the exhaust air is utilized, and you have not
really seen any heat loss that you experience with an ordinary ventilation unit.
In the winter, the built-in heat pump can heat the supply air up to 34 ° C, and thus contribute to heating the home. When the supply air
is heated, at the same time a little heat is deposited in the hot water tank and ensures a constant high hot water temperature.
The heat pump has a reversible cooling circuit, which means that the cooling circuit can be turned and it can cool the supply air in the
summer. Compact S can cool the supply air by up to 10 ° C in relation to the outdoor air. Due to the low air exchange, usually 1/2 time
per hour, it will not act as an air conditioning system. However, when cooling, moisture in the supply air is removed, which results in a
lower humidity in the home. The lower humidity means that it is easier to withstand a slightly higher temperature, which therefore pro-
vides good comfort in the home.
When Compact S cools the supply air, the energy is deposited in the hot water tank, and it can thus be said that “free” domestic hot wa-
ter is produced during those periods.
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