English 1RQYQ140PY1RQYQ180PY1RQCYQ280PY1RQCYQ360PY1RQCYQ460PY1RQCYQ500PY1RQCYQ540PY1RQEQ140PY13RQEQ180PY13RQEQ212PY13RQCEQ280PY13RQCEQ360PY13RQCEQ460PY13RQCEQ500PY13RQCEQ540PY13RQCEQ636PY13RQCEQ712PY13RQCEQ744PY13RQCEQ816PY13RQCEQ848PY13VRVIII System air conditionerVRVIII-Q Series Operation manualCONTENTS1. SAFETY PRECAUTIONS ............................... 12. SPECIFICATIONS .......................................... 43. WHAT TO DO BEFORE OPERATION............ 54. REMOTE CONTROLLER AND COOL/HEATSELECTOR: NAME AND FUNCTION OFEACH SWITCH AND DISPLAY(Refer to figure 2 and 3).................................. 55. OPERATION RANGE ..................................... 66. OPERATION PROCEDURE ........................... 67. OPTIMUM OPERATION ............................... 108. SEASONAL MAINTENANCE ....................... 119. FOLLOWING SYMPTOMS ARE NOT AIRCONDITIONER TROUBLES ........................ 1110. TROUBLE SHOOTING................................. 13Important information regarding the refrigerantusedThis product contains fluorinated greenhouse gasescovered by the Kyoto Protocol.(1)GWP = global warming potentialPeriodical inspections for refrigerant leaks may berequired depending on European or local legisla-tion.Please contact your local dealer for more informa-tion.1. SAFETY PRECAUTIONSTo gain full advantage of the air conditioner’s func-tions and to avoid malfunction due to mishandling,we recommend that you read this instruction manualcarefully before use.This air conditioner is classified under “appliancesnot accessible to the general public”.• The precautions described herein are classi-fied as WARNING and CAUTION. They bothcontain important information regardingsafety. Be sure to observe all precautionswithout fail.WARNING....... Failure to follow these instruc-tions properly may result in per-sonal injury or loss of life.CAUTION ........ Failure to observe theseinstructions properly may resultin property damage or personalinjury, which may be seriousdepending on the circum-stances.• After reading, keep this manual in a conve-nient place so that you can refer to it whenevernecessary. If the equipment is transferred to anew user, be sure also to hand over the man-ual.WARNINGBe aware that prolonged, direct exposure tocool or warm air from the air conditioner, or toair that is too cool or too warm can be harmfulto your physical condition and health.When the air conditioner is malfunctioning(giving off a burning odour, etc.) turn off powerto the unit and contact your local dealer.Continued operation under such circumstancesmay result in a failure, electric shocks or fire haz-ards.Consult your local dealer about installationwork.Doing the work yourself may result in water leak-age, electric shocks or fire hazards.Consult your local dealer regarding modifi-cation, repair and maintenance of the air con-ditioner.Improper workmanship may result in water leak-age, electric shocks or fire hazards.Do not place objects, including rods, your fin-gers, etc., in the air inlet or outlet.Injury may result due to contact with the air con-ditioner’s highspeed fan blades.Never touch the air outlet or the horizontalblades while the swing flap is in operation.Fingers may become caught or the unit maybreak down.Beware of fire in case of refrigerant leakage.If the air conditioner is not operating correctly,i.e. not generating cool or warm air, refrigerantleakage could be the cause.Consult your dealer for assistance.The refrigerant within the air conditioner is safeand normally does not leak.However, in the event of a leakage, contact witha naked burner, heater or cooker may result ingeneration of noxious gas.Refrigerant type R410AGWP(1)value 1975