DC Inverter Duct Type Unit
21
Fig.35 Return Air Inlet
Table 9
Item
Model
Supply Air Outlet
Return Air Inlet
A
B
C
D
GB-X18SCR
123
736
710
166
GB-X24SCR
158
818
994
195
GB-X36SCR
158
818
1000
206
4.6.2 Installation of the Supply Air Duct
(1). Installation of the Rectangular Duct.
No.
Name
No.
Name
1
Hanger
5
Filter
2 Air Intake Pipe 6
Main Air
Supply Pipe
3
Canvas Air
Pipe
7
Air Supply
Outlet
4
Air Intake
Fig.36
CAUTION!
① .
The maximum length of the duct means the maximum length of the supply air duct plus the
maximum length of the return air duct.
② .
The duct is rectangular and connected with the air inlet/outlet of the indoor unit. Among all
supply air outlets, at least one should be kept open.
Bottom Return Air Installation only for Units 09/12/18K