11 Before operationInstallation and operation manual13FCAG35~140BVEBSplit system air conditioners4P535626-1C – 2019.0911 Before operationWARNINGThis unit contains electrical and hot parts.WARNINGBefore operating the unit, be sure the installation has beencarried out correctly by an installer.CAUTIONIt is not good for your health to expose your body to the airflow for a long time.CAUTIONTo avoid oxygen deficiency, ventilate the room sufficientlyif equipment with burner is used together with the system.CAUTIONDo NOT operate the system when using a roomfumigation-type insecticide. Chemicals could collect in theunit, and endanger the health of people who arehypersensitive to chemicals.NOTICEBe sure to turn on the power 6 hours before operation inorder to have power running to the crankcase heater andto protect the compressor.This operation manual is for the following systems with standardcontrol. Before initiating operation, contact your dealer for theoperation that corresponds to your system type and mark. If yourinstallation has a customised control system, ask your dealer for theoperation that corresponds to your system.Operation modes:▪ Heating and cooling (air to air).▪ Fan only operation (air to air).12 Operation12.1 Operation rangeUse the system in the following temperature and humidity ranges forsafe and effective operation.In combination with R410A outdoor unitsOutdoor units Cooling HeatingRR71~125 –15~46°C DB —12~28°C WB —RQ71~125 –5~46°C DB –10~15°C WB12~28°C WB 10~27°C DBRXS35~60 –10~46°C DB –15~18°C WB14~28°C WB 10~30°C DB3MXS40~684MXS68~805MXS90–10~46°C DB –15~18°C WB14~28°C WB 10~30°C DBRZQG71~140 –15~50°C DB –20~15.5°C WB12~28°C WB 10~27°C DBIn combination with R410A outdoor unitsOutdoor units Cooling HeatingRZQSG71~140 –15~46°C DB –15~15.5°C WB14~28°C WB 10~27°C DBRZQ200~250 –5~46°C DB –15~15°C WB14~28°C WB 10~27°C DBAZQS71 –15~46°C DB –15~15.5°C WB14~28°C WB 10~27°C DBAZQS100~140 –5~46°C DB –15~15.5°C WB14~28°C WB 10~27°C DBIndoor humidity ≤80%(a) Indoor humidityIn combination with R32 outdoor unitsOutdoor units Cooling HeatingRXM35~60 –10~46°C DB –15~24°C DB–15~18°C WB14~28°C DB 10~30°C DB3MXM40~684MXM68~805MXM90–10~46°C DB –15~24°C DB–15~18°C WB18~37°C DB14~28°C WB10~30°C DBRZAG35~60 –20~52°C DB –20~24°C DB–21~18°C WB17~38°C DB12~28°C WB10~27°C DBRZAG71~140 –20~52°C DB –20~24°C DB–20~18°C WB17~38°C DB12~28°C WB10~27°C DBRZASG71~140 –15~46°C DB –15~21°C DB–15~15.5°C WB20~38°C DB14~28°C WB10~27°C DBAZAS71~140 –5~46°C DB –15~21°C DB–15~15.5°C WB20~38°C DB14~28°C WB10~27°C DBIndoor humidity ≤80%(a)Symbol ExplanationOutdoor temperatureIndoor temperature(a) To avoid condensation and water dripping out of the unit. Ifthe temperature or the humidity is beyond these conditions,safety devices may be put in action and the air conditionermay not operate.