Supply air
Outdoor air
Extract air
Exhaust air
Trap The effective trap head h (mm) must be greater than the maximum under- or
overpressure at the condensate connector (1 mmWC = 10 Pa).
h=1.5xp(mmWC)+50mm(min.)
p = Under- or overpressure in mmWC acc. to appliance design
50 mm (WC) = Reserve (inaccuracy in design, evaporation)
1.5 = Additional safety factor
Do not connect the trap drain line directly to the public sewage system. It must
be able drain off freely. Vent longer drain lines to prevent condensate backing
up in the line (provide additional opening in trap drain line).
h
7.Installation/siting
Minimumclearancebetween
outdoorairintakeandexhaust
airoutlettopreventan
"airshortcircuit"(DIN13779)
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