FCQ-B7Fresh air intake kit1. Option kits KDDJ55B160, KDDJ55B160K,KDDJ55B160FFollowing restrictions must be kept:1. Maximum 20% of the nominal indoor unit airvolume can be sucked from the fresh air duct.2. Put an air filter in the duct.3. When a duct fan is used, use the option kittogether with the duct fan. When only the ductfan is operating, dust can fall from the air filterinto the room.Adapter for wiring KRP1B57Installation box for adaptor PCB (KRP1C98) isnecessary2. Option kit KDDJ55X160This kit can be used when the duct length is lessthan 4 m.Approximately 2 or 3% of the nominal indoor unitair volume can be sucked from the fresh air duct.The use of a duct fan is not allowed because thesound of the duct can be heard at the indoor unit.Option kit Fresh air intake volume / static pressureStaticpressure(mmH 2 O)Internal staticpressureNoteAir volume m 3 /minNote:Air volume at theinlet of the indoorunit (not included:pressure loss ofthe duct)Staticpressure(mmH2 O)Air volume m 3 /minStatic pressure(mmH2 O)Internal static pressureAir volume m 3 /min3TW22839-10AKDDJ55B160(without T-joint connection andwithout duct fan)KDDJ55B160K(with T-joint connection, withoutduct fan)KDDJ55B160F(with T-joint connection and withduct fan)KDDJ55X160(direct installation)• 4-Way Blow Ceiling Mounted Cassette • R-410A • FCQ35-60B7V1B8 Accessories8-2 Optional accessories88-214 • Split - Sky Air • Indoor Units