INSTALLATION21EnglishInstalling the discharge duct inregions with strong windf In windy regions such as near sea shores, protectionwall or wind protection duct must be installedfor normal operation of the product. (Refer to theillustration of the snow prevention duct, for installingthe wind protection duct.)f When installing a wind prevention duct considerpotential wind direction. If the direction of thedischarge duct is the same as main direction ofprevailing winds, it can cause performance decrease(wind blowing into discharge duct outlet).Unit: mm (inch)1795 (70 11/16)560 (22 1/16) 560 (22 1/16)2300 (90 9/16)1695 (66 3/4)1150 (45 1/4)180 (7 1/16)980 (38 9/16)Unit: mm (inch)1697 (66 13/16)2915 (114 3/4)593 (23 3/8)612 (24 1/8)1210 (47 5/8)1318 (51 7/8)127 (5)Unit: mm (inch)871 (34 5/16)550 (21 5/8)765 (30 1/8)668 (26 5/16)532 (20 15/16)2271 (89 7/16)1134 (44 5/8)965 (38)180 (7 1/16)CAUTIONCautions regarding on installing the frame and selectingthe base groundŷThe base ground must be solid and the productmust be fixed with anchor bolts.ŷMake sure to install the product in a place strongenough to withstand its weight.If the place cannot withstand the weight of theproduct, product may fall and cause personal injury.ŷWhen installing on a rooftop subject to strong wind,countermeasures must be taken to prevent theproduct from falling down.ŷUse a frame that is resistant to corrosion.