81. The indoor unit must be within a maintenance space.[ ]Drain Hose300 mmor more300 mmor more300 mm or moreø9.52 mm(3/8”) LiquidRefrigerantPipingø15.88 mm (5/8”) GasRefrigerantPipingWater InletpipingWater Outletpiping Check that all thecables do not touchthe hot piping, etc.Cable list:l Power Supply cablel Inter-unit control wiringl Remote controller wiringl MINI Seri-Para I/O wiringl Other cablel 2-way Valve cablel Room Thermostat cablel External Controller cableOptionalTypedesignation60245 IEC57 or heaviercable2. SELECTING THE INSTALLATION SITE2-1. Indoor UnitAVOID:l areas where leakage of flammable gas may be expected.l places where large amounts of oil mist exist.l direct sunlight.l locations near heat sources which may affect theperformance of the unit.l locations where external air may enter the room directly.This may cause “condensation” on the air discharge ports,causing them to spray or drip water.l locations where the remote controller will be splashed withwater or affected by dampness or humidity.l installing the remote controller behind curtains or furniture.l locations where high-frequency emissions are generated.DO:l select an appropriate position from which every corner of theroom can be uniformly cooled.l select a location where the ceiling is strong enough tosupport the weight of the unit.WARNINGl select a location which can support a load that is four timesthe indoor unit weight.l select a location where tubing and drain pipe have theshortest run to the outdoor unit.l allow room for operation and maintenance as well asunrestricted air flow around the unit.l install the unit within the maximum elevation differenceabove or below the outdoor unit and within a total tubinglength (L) from the outdoor unit as detailed in the installationinstructions packed with the outdoor unit.l allow room for mounting the remote controller about 1 m offthe floor, in an area that is not in direct sunlight nor in theflow of cool air from the indoor unit.NOTEAir delivery will be degraded if the distance from the floor to theceiling is greater than 3 m.3. HOW TO INSTALL THE INDOOR UNIT3-1. Select the Best Locationl There should not be any heat source or steam near the unit.l A place where air circulation in the room is good.l A place where drainage can be easily done.l A place where noise prevention is taken into consideration.l Do not install the unit near the door way.l Ensure the spaces indicated by arrows from the wall, ceiling,fence or other obstacles.l Recommended installation height for indoor unit shall be atleast 800 mm.l Must install on a vertical wall.l When install electrical equipment at wooden buildingof metal lath or wire lath, according to electrical facilitytechnical standard, no electrical contact between equipmentand building is allowed. Insulator must be installed inbetween.l Do not install the indoor unit at outside a building. This isdesigned for indoor installation only.