Form of calculation of efficiency of a heat exchanger CLIMTEC
Application area
The decentralized ventilation system with heat exchanger CLIMTEC
removes exhaust air from the room and simultaneously fills it with fresh
one from the street.
Inside the device is an aluminum heat exchanger (aluminum does
not oxidize, unlike copper and other materials with high thermal
conductivity, and therefore does not have a negative effect on the
human respiratory system, allows operation in a wide temperature
range, has natural protection (oxide film) from corrosion, prevents the
development of fungal and putrefactive bacteria on the lamellae of the
heat exchanger). Heat exchanger takes heat from the room and then
gives it to the air flows from the street heating them up.
The air from the room is driven through the heat exchanger by one
fan, and the air from the street by another. At the same time, the air
flows are divided in such a way that, when the fans work, they do not
mix, but move in different channels of the heat exchanger in opposite
directions.
Where
Kt
— coefficient of efficiency of heat recovery by temperature;
T1
— outside temperature, °С;
T2
— exhaust air temperature (premises air), °С;
T3
— supply air temperature, °С
Determination of the recovery efficiency ratio is performed by
calculation using formula:
Kt = (T3-T1 / T2-T1) x 100%,
Passport is designed in accordance with the requirements of GOST 2.601
TECHNICAL PASSPORT
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