4.6.2 Installation of the Supply Air Duct
(1). Installation of the Rectangular Duct.
Fig. 4.34
CAUTION!
This air handling unit is intended for free-air discharge or for connection to a duct
supplying only one room. Improper installation could contribute to the spread of smoke or
flame in the event of a fire.
NOTE:
(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. See CFM table below for reference
(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.
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
MS-SVN043-EN
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