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Product description,
continued
Air flow
The following describes and illustrates the air flow in an HCV 4:
No.
Description
Outside air (T1)
Outside air that enters the heat exchanger, ready to be
heated by the exhaust air from the house (
).
Fresh air intake (T2) Fresh air is heated through the recovery of heat from the
exhaust air (
).
Exhaust air (T3)
Hot and "contaminated" exhaust air is used to heat the
outside air (
) through heat recovery over the heat ex-
changer.
Exhaust air (T4)
The heat is extracted from the exhaust air to heat up the
cool outdoor air (
). The exhaust air is led out of the
house.
T2 T3 T4 T1
Summary of Contents for HCV 4
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