Perform Flow Rate Measurement For Adjusting The System (Fine Adjustment) - Helios KWL 170 W Notice De Montage Et D'utilisation

Installation and Operating Instructions
EN
Central ventilation unit – KWL 170 W/W ET
5. Enter the fan powers for supply and extract air according to the determined values for nominal ventilation under "Fan
setting" (cf. Fig. 38).

6.3.3 Perform flow rate measurement for adjusting the system (fine adjustment)

• Measure the flow rates at all valves in the supply and extract air ducts.
• Add up the flow rates for the supply and extract air ducts.
• In case of deviations from the desired flow rates, adjust these accordingly by increasing or reducing.
• Adjust valves according to the design.
• Measure the flow rates at all valves in the supply and extract air ducts again to check the correct adjustment and
the total flow rate.
23
Fig. 38