Supply/extract air volumes and input powers

Figure 1. Fan supply and extract air volumes, aluminium heat recovery cell
Figure 2. Fan supply and extract air volumes, enthalpy heat recovery cell
SFP=Input power (total) (W)Air flow (max) (dm3/s)

The recommended SFP (Specific Fan Power) rate is <1.8 (kW m3/s). At a lower total pressure, the SFP rate is lower.

Table 1. Fan input power, aluminium heat recovery cell
l/sm3/hPaW
Min12447717
Mid6423121079
Max116418292221
Table 2. Fan input power, enthalpy heat recovery cell
l/sm3/hPaW
Min12428719
Mid6322620170
Max117420233206

You can calculate the operating-point-specific input power with the Vallox MySelecta product selection program.