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7
Installation & Owner‘s Manual
3.2 Air duct connection (HWHM-TDF190/1.5-H31)
Air inlet without duct, air outlet connects to duct.
Air inlet and outlet with duct.
(A+B≤5m)
A≤5m
(A≤5m)
It is recommended to install unit by this way in the winter
where there is other heat source in the room.
Air inlet connects to duct, air outlet without duct.
≤
2
≤2
≤5
≤5
≤2
≤2
≤5
≤5
Straight-line
length (m)
Bent pressure
drop(Pa)
Bent’s qty.
Straight-line pressure
drop (Pa/m)
Duct Description
Duct
Round
duct
Rectangle
duct
160
160X160
Dimension(mm)
Air inlet
Air outlet
A
Fig.3-4
160mm
160mm
Air inlet
Air outlet
Air outlet
It is recommended to install unit by this way in summer
that could charge fresh air into room.
A
B
A
Fig.3-5
Fig.3-3
Air inlet
2)
1)
3)
4)
Table 3-1
ENGLISH