English 1RWEYQ8PY1RWEYQ10PY1RWEYQ16PY1RWEYQ18PY1RWEYQ20PY1RWEYQ24PY1RWEYQ26PY1RWEYQ28PY1RWEYQ30PY1 VRVWIII System air conditioner Operation manualCONTENTS1. SAFETY PRECAUTIONS ............................... 12. SPECIFICATIONS........................................... 33. WHAT TO DO BEFORE OPERATION ............ 44. REMOTE CONTROLLER AND COOL/HEATSELECTOR: NAME AND FUNCTION OFEACH SWITCH AND DISPLAY....................... 45. OPERATION RANGE...................................... 56. OPERATION PROCEDURE ........................... 67. OPTIMUM OPERATION ................................. 98. MAINTENANCE .............................................. 99. FOLLOWING SYMPTOMS ARE NOT AIRCONDITIONER TROUBLES......................... 1010. TROUBLE SHOOTING ................................. 1211. WATER QUALITY ......................................... 13Important information regarding the refrig-erant usedThis product contains fluorinated greenhouse gasescovered by the Kyoto Protocol.Refrigerant type:R410AGWP(1)value: 1975(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 infor-mation.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 classifiedas WARNING and CAUTION. They both containimportant information regarding safety. Be sureto observe all precautions without 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 convenientplace so that you can refer to it whenever neces-sary. If the equipment is transferred to a newuser, be sure also to hand over the manual.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 odor, etc.) turn off powerto the unit and contact your local dealer.Continued operation under such circumstances mayresult in a failure, electric shocks or fire hazards.Consult your local dealer about installation work.Doing the work yourself may result in water leak-age, electric shocks or fire hazards.Ask your dealer to install in a machine roomthat has no water drops by raining.This unit is for indoor use.Incomplete installation performed by yourself mayresult in a water leakage, electric shock, and fire.Consult your local dealer regarding modifica-tion, repair and maintenance of the air condi-tioner.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 condi-tioner’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 may breakdown.Beware of fire in case of refrigerant leakage.If the air conditioner is not operating correctly, i.e.not generating cool or warm air, refrigerant leak-age could be the cause. Consult your dealer forassistance.The refrigerant within the air conditioner is safeand normally does not leak. However, in the eventof a leakage, contact with a naked burner, heateror cooker may result in generation of noxious gas.Do not longer use the air conditioner until a quali-fied service person confirms that the leakage hasbeen repaired.