Negative Pressure Condensate Drain Trap
Negative Pressure Condensate Drain Trap . Drain pan compartment to ambient; This would give you an overall idea of the release of condensates from the lines. condensate traps on negative pressure coil heat pumps from hvac-talk.com The pull of the water to the drain has to exceed the sucking of the supply fan (“negative pressure”).rule of thumb… add 2.5” to the static pressure before the fan (return and internal to the unit) and that’s the long end This would give you an overall idea of the release of condensates from the lines. In some instances, a trap’s inlet steam pressure may be sufficient to overcome system backpressure, but in many installations the differential pressure is negative and requires a pump to transfer condensate to a recovery area.