SCALA2 Model2 - Fact Sheet Energy Efficient. Like never before. FACT: By selecting the most efficient pressure boosters over traditional booster pumps, homeowners can enjoy significant savings, reducing their energy consumption for water boosting by as much as 40%. Energy Efficiency Assumptions Based on a comparison of CMB 3-46 and SCALA2 3-45. As CMBooster is what we consider a traditional booster, and we choose size 3-46 for 1:1 comparison with SCALA2 3-45. We assume that the pump is running 4 hours a day, 365 days a year. In the remaining 20 hours, the pump is not running. We assume that the demand is different over a day, so we use three different points (0.75m³/h, 1.5m³/h, 2.25m³/h). We assume that during running hours, the pump will run 17% at duty point 1, 33% at duty point 2 and 50% at duty point 3. Running Hours share Pump Not Running 50% 33% 17% Total Hours Per day Running Hours 20 Hrs 2.0 Hrs 1.3 Hrs 0.7 Hrs 24 Flow 0m 3 /h 0.75m³/h 1.5m³/h 2.25m³/h Results We then read the power consumption at this flow demand at 30m head, to map the power consumption during the day. This will result in the total energy used for the day. Multiply that with the total running days per year (365) and you get yearly energy use for both SCALA2 and comparison pump. Divide these two and convert to percentage then the savings equals 43%. Calculation made in the Boosting Energy Calculation tool.
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