ABB PVS800-57B - Page 37

Mechanical installation 37
p
d
= 0.5 • • v
m
2
= 0.5 • 1.1 • 5.5
2
= 17 Pa
The required pressure in the exit air duct is then, 1.5…2 • 17 Pa = 26…34 Pa, below the
pressure in the room.
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