Before / After Iteration Comparison■ Before ■ After (current)
Performance over engine speed range
Fan speed (RPM)
Power (kW)
Pump flow (l/min)
- Select system type — Fixed Pump, Variable Pump, Dual Speed, or Dual Pump.
- Enter engine data — rated RPM, max RPM, idle RPM, PTO ratio.
- Enter fan data — rated speed and either power (preferred) or torque.
- Enter motor parameters — ΔP, efficiencies. Leave “Selected motor size” = 0 for first run.
- Enter pump parameters — efficiencies. Leave “Selected pump size” = 0 for first run.
- Read calculated required sizes — note Required motor size and Required pump size.
- Iterate — enter nearest catalog sizes in ITER fields. App snapshots pre-iteration results automatically.
- Check warnings — verify pump speed limits, flow reserve, efficiency.
- Use the graphs — confirm performance across the full engine speed range.