With a counter-crossflow heat exchanger. the warm extract air flows can transfer the heat to the
the fresh incoming air, thus the heat of indoor air can be recovered and reduce the enerny loss.
Weekly program for central air handling unit with heat recovery
With the weekly program, the fan speed and the intake air temperature of each weekday or each hour can be set. The weekly program can meet your diverse needs in different time.
Preheating and defrosting
According to the data given by the temperature senser, the control center of the units controls the operation of the pre-heater. In case the preheater capacity is not sufficient, the control center intermittently stops the supply air fan in case of compensating.