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Performance Airside Pressure
Data Drops
PKG-PRC002-EN22
Chart PD-3. Airside Pressure Drop
SCWF/SIWF 35, 38 and SCRF/SIRF 30, 35
Chart PD-2. Airside Pressure Drop
SCWF/SIWF 29, 32 and SCRF/SIRF 25, 29
Chart PD-4. Airside Pressure Drop
SCWF/SIWF 42, 46 and SCRF/SIRF 40
Notes:
1. Dotted line on construction filters indicates cfm where face velocity exceeds manufacturer’s recommended maximum of 300 fpm. After startup, construction filters must be
replaced with medium velocity or high velocity filters.
2. Air pressure drop through electric heat is 0.5 inches WC.
3. Refer to Page 25-26 for pressure drop through flexible horizontal discharge plenum.
4. Refer to Page 24 for pressure drop through heating coils.
Chart PD-1. Airside Pressure Drop
SCWF/SIWF 20, 22, 25 and SCRF/SIRF 20