Supply/extract air volumes and input powers

Figure 1. Supply and extract air volumes

Supply and extract air volumes - description of the diagram

Continuous line (—)
Extract air
Broken line (- -)
Supply air
SFP = Input power (total) (W) Air flow (max) (dm3/s)

The recommended SFP rate (Specific Fan Power) value <2.0 kW/m3/s). When a lower total pressure is used, also the SFP of the speed is lowered.

Figure 2. Input power