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Base construction and installation of the outdoor unit
Caution for installing discharge duct
Static pressure of the discharge duct should be within the standard specification (78.45 Pa) when installing the
CAUTION
duct.
If you remove the fan guard to install the discharge duct, make sure to install a safety net on the duct outlet.
Foreign substance may enter into the product and there could be a risk of personal injury.
Wear protection equipment at all times when making galvanized sheet metal duct, since the worker may get
injured by the sharp parts.
When installing the outdoor unit under the tree or near forest, leafs may get into the product and cause
problems on the product. Therefore, install a discharge duct to prevent foreign substance infiltration.
<Protecting discharge duct>
Installing the wind/snow prevention duct
Installing the outdoor unit around the obstacles
It is necessary to install a wind/snow prevention duct(field supply) to direct exhaust from the fan horizontally, when it is
difficult to provide a minimum space of 2m between the air outlet and a nearby obstacle.
Discharged air
28
Upper floor
Ex.) Balcony
<Preventing foreign substance infiltration>
Discharged air
Suction air
Ex.) Mechanical room
Grille/louver
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