Free Match for North America
7
1
2
4
3
5
6
7
8
9
Fig.8
Table 3
No.
Name
No.
Name
1
Return Air Duct
6
Transition Duct
2
Canvas Duct
7
Air Supply Duct
3
Return Air Louver
8
Diffuser
4
Hanger
9
Diffuser Joint
5
Air Supply Outlet
(3). Installation Steps of the Round Air Supply Duct
1).
Preinstall the outlet of the round duct on the transition duct and then fix it by the tapping
screw.
2).
Place the transition duct to the air outlet of the unit and fix it with rivet.
3). Connect the outlet to the duct and then tighten them with tape. Other installation details are
not covered herein.
CAUTION!
① .
The maximum length of the duct means the maximum length of the air supply duct plus the
maximum length of the return air duct.
② .
For the unit with the auxiliary electric heating function, if the round duct is to be adopted,
then the straight length of the transition duct can not be less than 200mm.
③ .
The duct is either rectangular or round and connected with the air inlet/outlet of the indoor
unit. Among all air supply outlets, at least one should be kept open. As for the round duct, it needs
a transition duct of which the size should match with the air supply outlet of the unit. After the fitting
of the transition duct, it is the turn of the round duct, which is better to be kept 10 meters far away
from the corresponding diffuser. The standard accessories supplied by
.21*+20
is the transition duct
200mm long and round air outlet φ200, however, those of other specifications can be purchased.
3.6 Drawings of the Air Supply Outlet and Return Air Inlet
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