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 materi-
als (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 adiabat-
ic treatment even to the duct pipe at
the indoor side where ambient temper-
ature 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 per-
formed 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 facili-
ties(Drain Pan) and MD(Moterized Damper) at SA/RA duct.
12
Ventilator
Installation
Cover of Control Box
Screw
Method to Connect Power Cord
1. Release two screws and then
open the cover of the control
box.
•
With reference to the below wiring dia-
gram, accurately connect the main
power cords into the terminal block.
2. After inserting the power cord into the bushing, fully insert it into the ter-
minal block for connection.
• Fix the power cords with the clamp.
• Make sure that the power cords may not be removed by pulling them.
Summary of Contents for LZ-H025GBA3
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