SiBE12-713 InstructionOperation Manual 215Be sure the air conditioner is electrically grounded.Do not connect the grounding conductor to a gas pipe,water pipe, lightning arrester, and the grounding conduc-tor for a telephone.Imperfect grounding work may result in an electric shock.Execute complete drain piping for perfectdrainage.Incomplete piping may result in a water leakage.The appliance is not intended for use byyoung children or infirm persons withoutsupervision.Young children should be supervised toensure that they do not play with the appliance.If the temperature or the humidity is beyond the following con-ditions, safety devices may work and the air conditioner may notoperate, or sometimes, water may drop from the indoor unit.COOLING3. OPERATION RANGEOUTDOOR UNITINDOOR OUTDOORTEMPERA-TURETEMPER-ATUREHUMID-ITYR35 · 45 · 60 DB 18 to 33 80% orbelow DB – 15 to 46WB 12 to 24RY35 · 45 · 60 DB 18 to 33 80% orbelow DB – 5 to 46WB 12 to 24R71 · 100 · 125RP71 · 100 · 125REP71 · 100 · 125DB 21 to 35 80% orbelow DB – 15 to 46WB 14 to 25RY71 · 100 · 125RYP71 · 100 · 125RYEP71 · 100 · 125DB 18 to 35 80% orbelow DB – 5 to 46WB 12 to 25RZP71 · 100 · 125 DB 21 to 35 80% orbelow DB – 5 to 50WB 14 to 25RQ71 · 100 · 125 DB 18 to 37 80% orbelow DB – 5 to 46WB 12 to 28RR71 · 100 · 125 DB 18 to 37 80% orbelow DB – 15 to 46WB 12 to 28RZQ71 · 100 · 125 ·140DB 18 to 37 80% orbelow DB – 15 to 50WB 12 to 28RS50 · 60RKS35 · 50 · 60RXS35 · 50 · 60DB 21 to 32 80% orbelow DB – 10 to 46WB 14 to 233MKS504MKS58 · 75 · 903MXS52 · 2MXS524MXS68 · 80DB 21 to 32 80% orbelow DB – 10 to 46WB 14 to 23RMKS112 · 140 · 160RMXS112 · 140 · 160DB 21 to 32 80% orbelow DB – 5 to 46WB 14 to 23HEATINGD B: Dry bulb temperature (˚C)WB: Wet bulb temperature (˚C)The setting temperature range of the remote con-troller is 16˚C to 32˚C.Regarding places for installation• Is the air conditioner installed at a well-venti-lated place where there are no obstaclesaround?• Do not use the air conditioner in the followingplaces.a.Filled with much mineral oil such as cutting oilb.Where there is much salt such as a beach areac.Where sulfured gas exists such as a hot-springresortd.Where there are considerable voltage fluctua-tions such as a factory or plante.Vehicles and vesselsf .Where there is much spray of oil and vapor suchas a cookery, etc.g.Where there are machines generating electro-magnetic wavesh.Filled with acid and/or alkaline steam or vapor• Is a snow protection measure taken?For details, consult your dealer.Regarding wiring• All wiring must be performed by an authorizedelectrician.To do wiring, ask your dealer. Never do it by yourself.OUTDOOR UNIT INDOORTEMPERATUREOUTDOORTEMPERATURERY35 · 45 · 60 DB 15 to 27 DB – 9 to 21WB – 10 to 15.5RY71 · 100 · 125RYP71 · 100 · 125RYEP71 · 100 · 125DB 15 to 27DB – 9 to 21WB – 10 to 15.5RZP71 · 100 · 125 DB 15 to 27 DB – 14 to 21WB – 15 to 15.5RQ71 · 100 · 125 DB 10 to 27 DB – 9 to 21WB – 10 to 15RZQ71 · 100 · 125 ·140 DB 10 to 27 DB – 19.5 to 21WB – 20 to 15.5RXS35 · 50 · 60 DB 10 to 30 DB – 14 to 24WB – 15 to 183MXS52 · 2MXS524MXS68 · 80 DB 10 to 30 DB – 14 to 21WB – 15 to 15.5RMXS112 · 140 · 160 DB 10 to 30 DB – 14 to 21WB – 15 to 15.54. INSTALLATION SITE