Installation
Installation manual 19
ENGLISH
Duct to OA
Main body
Heat insulating material
Aluminium
Duct connection flange
Rapid bending Excessive bending
Too close bending
to outlet
Rapid reduction of
duct diameter
CAUTION
!
• Check that there are no foreign materials
(paper, vinyl, etc) or cutoff powders in the
duct before connecting the duct.
• Take care so that shock may not be applied
to the damper plate within the main body
when performing the duct connection work.
• It is recommended to perform adiabatic
treatment even to the duct pipe at the indoor
side where ambient temperature is expected
higher than room temperature when the main
body of the ventilation system for cooling in
summer.
• Take care so that work may not be performed
as in the left figure. Otherwise, it may cause
reduction of air volume or abnormal noise.
CAUTION
!
• In -10 ℃ below ambient temperature, when ventilation is installed the equivalent space in the
outdoor and outdoor, It may cause condensation, you must install drainage facilities(drain
pan) and MD(Motorized Damper) at SA/RA duct.
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