2Fixing of outdoor unit Fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally.When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nailsor wires in consideration of earthquake and strong wind.If vibration may affect the house, fix the unit by attaching a vibration-proof mat.Indoor Unit Selection of Installation Place Outdoor UnitPlace, robust not causing vibration, where the body can be supportedsufficiently.Place, not affected by heat or steam generated in the vicinity, whereinlet and outlet of the unit are not disturbed.Place, possible to drain easily, where piping can be connected with theoutdoor unit.Place, where cold air can be spread in a room entirely.Place, nearby a power receptacle, with enough space around. (Referto drawings).Place where the distance of more than lm from televisions, radios,wireless apparatuses and fluorescent lamps can be left.In the case of fixing the remote controller on a wall, place where theindoor unit can receive signals when the fluorescent lamps in the roomare lightened.Place, which is less affected by rain or direct sunlight and issufficiently ventilated.Place, possible to bear the unit, where vibration and noise arenot increased.Place, where discharged wind and noise do not cause anuisance to the neighbors.Place, where a distance marked is available as illustratedin the above figure.Power SourceBefore inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponding name plate.Install an exclusive branch circuit of the power.A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it.Selection of pipeTo this unit, both liquid and gas pipes shall be insulatedas they become low temperature in operation.Use optional parts for piping set or pipes covered withequivalent insulation material.The thickness of the pipe must be 0.8mm at least.Liquid pipe( )Gas pipe( )6.35mm(1/4")9.52mm(3/8")HUM09HA03/R2(DB)HUM12HA03/R2(DB)HUM18HA03/R2(DB)HUM22HA03/R2(DB)Floor fixing dimensionsof the outdoor unit(Unit:mm)Floor fixing dimensionsof the outdoor unit(Unit:mm)580 1151155.91312.7mm(1/2")