hajdu HB200C, Installation, Usage And Maintenance Manual

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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.
Figure 7.2.-3.
Air inlet is not connected to air duct, but air outlet is connected to air duct. A

10 m
Air outlet
Air inlet
Air inlet
Air outlet