English 5Points for explanation about operations3. NOTE TO THE INSTALLERBe sure to instruct customers how to properly operate the unit (especially cleaning filters, operating different func-tions, and adjusting the temperature) by having them carry out operations themselves while looking at the manual.3. SELECTING INSTALLATION SITEPlease attach additional thermal insulation material to the unit body when it is believed that the relative humid-ity in the ceiling exceeds 80%. Use glass wool, polyethylene foam, or similar with a thickness of 10 mm ormore as thermal insulation material.The direction of air discharge for this product can be selected. Sealing Member of air discharge outlet is avail-able option for 4-way with sealed corners, and 3-way.(1) Select an installation site where the following conditions are fulfilled and that meets your customer’s approval.• Where optimum air distribution can be ensured.• Where nothing blocks air passage.• Where condensate can be properly drained.• Where the ceiling is strong enough to bear the indoor unit weight.• Where the false ceiling is not noticeably on an incline.• Where sufficient clearance for maintenance and service can be ensured.• Where there is no risk of flammable gas leakage.• Where piping between indoor and outdoor units is possible within the allowable limit.(Refer to the installation manual for the outdoor unit.)[Space required for installation]CAUTION• Any vents, light fixtures, or other appliances which may disturb the airflow might cause the top side tobecome dirty if located too nearby, so follow Fig. 2 when installing.• Keep indoor unit, outdoor unit, power supply wiring and transmission wiring at least 1 meter away fromtelevisions and radios. This is to prevent image interference and noise in those electrical appliances.(Noise may be generated depending on the conditions under which the electric wave is generated, evenif 1 meter is kept.)(2) Ceiling height• This indoor unit may be installed on ceilings up to 3.5 m (Type 100·125·140: 4.2 m) in height. However,it becomes necessary to make field settings by remote controller and close the air outlet when installingthe unit at a height over2.7 m (Type 100·125·140: 3.2 m).Refer to the section entitled, ‘‘11. FIELD SETTING’’ and the decoration panel installation manual.The items with WARNING and CAUTION marks in the instruction manual are the items per-taining to possibilities for bodily injury and material damage in addition to the general usage ofthe product. Accordingly, it is necessary that you make a full explanation about the described con-tents and also ask your customers to read the instruction manual.Airinlet AirdischargeAirdischargeFloor surfaceAt least1800 mmfrom a floor298 mmIndoor unit Indoor unit*At least1500 mmfrom a wall(NOTE)(NOTE)Lighting Air fanAt least 1500 mmfrom any fixture At least1500 mmAt least 2000 mmAt least 4000 mmFig. 2Fig. 1