LEGALLAIS HB200 Manuel De Mise En Service, D'opération Et D'entretien page 74

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Air outlet
Air inlet and air outlet are connected to air duct. A + B ≤ 10 m
- Duct description
Duct size Dimension
(mm)
Round duct
∅ 190
Rectangle 190x190
duct
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 is not connected to air duct, but air outlet is connected to air duct. A ≤ 10 m
Figure 7.2.-2.
Straight-line
s pressure
drop
(PA / m)
≤2
≤2
Figure 7.2.-3.
Air inlet
Straight-line Bent pressure
length drop
(PA / m)
(m)
≤10
≤10
Air inlet
Bent
quantity
≤2 ≤5
≤2 ≤5