3610.2 CU-4E24RBU10.2.1 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.Refrigerant piping sizeOutdoor Unit CU-4E24***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)(ø1/2" (ø12.7 mm) thickness 1/32" (t0.8 mm))* In the case of indoor unit is CS-E24***, a gas-pipe of ø1/2" (ø12.7 mm) thickness 1/32"(t0.8 mm) must be used together with CZ-MA2P(pipe size expander)Outdoor Unit CU-4E24***Min. total piping length for additional gas 147.6 ft (45 m) If total piping length of all indoor units exceeds theminimum length listed above, charge additionallywith 0.2 oz (20g) of refrigerant (R410A) for eachadditional foot (meter) of piping.10.2.1.1 Outdoor Unit InstallationDiagramAllowable piping lengthOutdoor Unit CU-4E24***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 229.6 ft (70 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 less• This illustration is for explanation purposes only.3/8" Gas side piping ( )1/4" Liquid side piping ( )Additional drain hose ( )Connection cable ( )Power supply cord ( )Installation parts youshould purchase ( )* Note:Respective indoor unit installation procedure shall refer toinstruction manual provided in the indoor unit packaging.It is advisable to avoidmore than 2 blockagedirections. For betterventilation & multiple-outdoor installation,please consult authorizeddealer/specialist.jkjhgiOutdoor unitOutdoor unitOutdoor unittinuroodnItinuroodnIIndoor unitOutdoor unit locatedon upper sideOutdoor unit locatedotherwise