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Figure 7.2.-2.
Air inlet and air outlet are connected to air duct. A + B
10 m
-
Duct description
Duct size
Dimension
s
(mm)
Straight-line
pressure
drop
(PA / m)
Straight-line
length
(m)
Bent pressure
drop
(PA / m)
Bent
quantity
Round duct
190
2
10
2
5
Rectangle
duct
190x190
2
10
2
5
Remark:
It is better to connect the air duct to air outlet than to air inlet.
Remark:
Due to operation with air duct, part of air flow and heat pump capacity is
lost in the system.
Air outlet
Air inlet
Air inlet
Air outlet