Panasonic CU-3KE19NBU Technical & Service Manual

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Contents

52. Installation Site Selection2-1. Indoor UnitAVOID: direct sunlight. nearby heat sources that may affect performance of theunit. areas where leakage of flammable gas may be expected. placing or allowing any obstructions near the air conditionerinlet or outlet. installing in rooms that contain instant-on (rapid-start)fluorescent lamps. (These may prevent the air conditionerfrom receiving signals.) places where large amounts of oil mist exist. installing in locations where there are devices thatgenerate high-frequency emissions.DO: select an appropriate position from which every corner ofthe room can be uniformly air-conditioned. (High on a wallis best for wall-mounted types.) select a location that will hold the weight of the unit. select a location where tubing and drain hose have theshortest run to the outside. (Fig. 1) allow room for operation and maintenance as well asunrestricted air flow around the unit. (Fig. 2a or 2b) install the unit within the maximum elevation difference(H1, H2, H3, H4) above or below the outdoor unit andwithin a total tubing length (L1+L2+L3, L1+L2+L3+L4)from the outdoor unit as detailed in Table 3 and Fig. 3a.Drain hoseIndoor unitOutside drainageFig. 12" (5 cm)min.6" (15 cm)min.Front View2" (5 cm)min.Fig. 2aFor wall-mounted unitsFor ceiling-mounted cassette unitsINDOORUNIT (1)INDOORUNIT (4)INDOORUNIT (3)INDOORUNIT (2)Tubing length (L1)L2L3L4H2H3H4OUTDOORUNITElevationdifference (H1)Fig. 3aWARNINGTo prevent abnormal heat generationand the possibility of fire, do notplace obstacles, enclosures andgrilles in front of or surrounding theair conditioner in a way that mayblock air flow.Indoor unitFloor levelWallMinimum heightfrom floor level5' (1.5 m)Fig. 3b $LUGHOLYHU\IURPDFHLOLQJmounted cassette unit willbe degraded if the distancefrom the floor to the ceilingis greater than 10 ft. (3 m). )RUVWDEOHRSHUDWLRQRIWKHair conditioner, do not installwall-mounted units lessthan 5' (1.5 m) from floorlevel. (Fig. 3b)CAUTIONFig. 2b3.3 ft.(1m) (1m)(1m)3.3 ft.(1m)3.3 ft. 3.3 ft.3.3 ft.(1m)