Panasonic CU-3E19RBU Installation Manual

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3110. Installation Instruction10.1 CU-3E19RBU10.1.1 Select The Best Location If an awning is built over the unit to prevent directsunlight or rain, be careful that heat radiation fromthe condenser is not obstructed. There should not be any animal or plant whichcould be affected by hot air discharged. Keep the spaces indicated by arrows from wall,ceiling, fence or other obstacles. Do not place any obstacles which may cause ashort circuit of the discharged air. Recommended installation height for outdoor unitshould be above the seasonal snow level.Refrigerant piping sizeOutdoor Unit CU-3E19**Liquid - side ø1/4" (ø6.35 mm) thickness 1/32" (t0.8 mm)Gas - side ø3/8" (ø9.52 mm) thickness 1/32" (t0.8 mm)Outdoor Unit CU-3E19**Min. total piping length for additional gas 98.4 ft (30 m) If total piping length of all indoor units exceeds theminimum length listed above, additionally chargewith 0.2 oz (20g) of refrigerant (R410A) for eachadditional feet (meter) of piping.10.1.1.1 Outdoor Unit InstallationDiagramAllowable piping lengthOutdoor Unit CU-3E19***Allowable piping length of each indoor unit (min. ~ max.) 9.8 ft ~ 82.0 ft (3 m ~ 25 m)Allowable total piping length of all indoor unit 164.0 ft (50 m) or lessHeight difference between indoor and outdoor unitOutdoor unit located on upper side g 49.2 ft (15 m) or lessOutdoor unit located otherwise h 24.6 ft (7.5 m) or lessOutdoor unit located otherwise k 49.2 ft (15 m) or lessHeight difference between indoor unit Outdoor unit located on upper side i 24.6 ft (7.5 m) or lessOutdoor unit located otherwise j 49.2 ft (15 m) or lessInstallation parts youshould purchase (Ú)• This illustration is for explanation purposes only.* Note:Respective indoor unit installation procedure shall refer toinstruction manual provided in the indoor unit packaging.It is advisable to avoid morethan 2 blockage directions.For better ventilation &multiple-outdoor installation,please consult authorizeddealer/specialist.3 / 8 " (9.52 mm)Gas side piping (Ú)1 / 4 " (6.35 mm)Liquid side piping (Ú)Additional drain hose (Ú)Connection cable (Ú)(Conduit)Power supply cord (Ú)(Conduit)Outdoor unit locatedon upper sideOutdoor unit locatedotherwisejkjhgiOutdoor unitOutdoor unitOutdoor unittinuroodnItinuroodnIIndoor unit