Supply/extract air volumes and input powers

Figure 1. Supply and extract air volumes, Vallox 245 MV
Figure 2. Supply and extract air volumes, Vallox 245 MV VKL
Continuous line (—)Extract air
Broken line (- -)Supply air
SFP=Input power (total) (W) Air flow (max) ( dm3 /s)

SFP rate (Specific Fan Power) recommended value <1.8 (kW/m3/s).

Figure 3. Fan input power, Vallox 245 MV
Figure 4. Fan input power, Vallox 245 MV VKL