PWC discharge time

The PWC discharge time is the time that elapses during normal operation until the temperature of the drinking water no longer exceeds 25 °C after a PWC tapping point has been fully opened.

DIN 1988-200, 3.8 Operating temperature:

"During normal operation, the temperature of the cold drinking water must not exceed 25 °C for a maximum of 30 s after a tapping point has been fully opened and the temperature of the hot drinking water must reach at least 55 °C."

Symbol or abbreviation:

ΔtAus

Usual unit:

s

Temperature tapping profile at a tapping valve for cold drinking water, with unauthorised PWC discharge time.