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Base construction and installation of the outdoor unit
Caution for installing discharge duct
f Static pressure of the discharge duct should be within the standard specication (78.45 Pa) when installing the
duct.
f 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.
f Wear protection equipment at all times when making galvanized sheet metal duct, since the worker may get
injured by the sharp parts.
f 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 inltration.
<Protecting discharge duct> <Preventing foreign substance inltration>
CAUTION
Installing the wind/snow prevention duct
Installing the outdoor unit around the obstacles
f It is necessary to install a wind/snow prevention duct(eld supply) to direct exhaust from the fan horizontally, when it is
dicult to provide a minimum space of 2m between the air outlet and a nearby obstacle.
Discharged air
Grille/louver
Suction air
Upper oor
Discharged air
Ex.) Balcony Ex.) Mechanical room
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