Dantherm HCV4 User Manual page 7

Product description,
Air flow The following describes and illustrates the air flow in an HCV 4:
No.




5
continued
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
Description