50 S4179544
77
77
7
D
88
88
8
F
99
99
9
FM
3-33. Caution for Ducting Work
● This unit has high static pressure (applicable
external static pressure Max. 167~186 pa (17~19
mm Aq)).
In the case of small pressure resistance (for
instance short duct), install the damper for adjusting
air flow volume as air flow volume / air flow noise
increases.
● If the air conditioner is to be installed in a room
such as an office or meeting room which needs a
low sound level, provide a supply and return noise
absorption chamber with an acoustic liner.
● Include the air filter (field supply) at the return duct.
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