Johnson Controls Frick AcuAir - Condensate Drain Trap Sizing; Drain Pan Construction; Field Piping Requirements







The Vertical Tube Integral Face and Bypass (VIFB) or the
Integral Face and Bypass (IFB) operates with full steam
pressure or water ow at all times when the air is at or below
35°F. This prevents freeze-up and temperature stratication.








  













