Kinghome KM09HFDI, Instruction Manual

Page: 12 / 24

Free Match for North America
8
21
A
B
D
C
Fig.9 Air Supply Outlet Fig.10 Return Air Inlet
Table 4 Dimensions of the Air Supply Outlet and Return Air Inlet (unit: mm)
Item
Model
Air Supply Outlet Return Air Inlet
A B C D
KM09HFDI
156 662 580 162
KM12HFDI
KM18HFDI 156 862 780 162
KM21HFDI
156 1062 980 162
KM24HFDI
3.7 Installation of the Return Air Duct
(1).
cover plate is in the bottom, as shown in Fig.11.
Return Air Cover Plate
Downward Return Air
Backward Return Air
Rectangular Flange
Fig.11
(2).
the return air cover plate.
(3). Connect one end of the return air duct to the return air outlet of the unit by rivets and the
other to the return air louver. For the sake of the convenience to freely adjust the height, a
cutting of canvas duct will be helpful, which can be reinforced and folded by
８＃
iron wire.
(4). More noise is likely to be produced in the downward return air mode than the backward
noise.
(5). The installation method can be chosen with considering the conditions of the building and
maintenance etc., as shown in Fig.12.