Daikin FCAG35AVEB Installer And User Reference Manual

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Daikin FCAG35AVEB Installer And User Reference Manual Manual pdf 25 page image

15 OperationInstaller and user reference guide25FCAG35~140AVEBSplit system air conditioners4P473927-1 – 2017.0315 Operation15.1 Operation rangeUse the system in the following temperature and humidity ranges forsafe and effective operation.For combination with R410A outdoor unit, refer to the following table:Outdoor units Cooling HeatingRR71~125 Outdoortemperature–15~46°C DB —Indoortemperature18~37°C DB12~28°C WB—RQ71~125 Outdoortemperature–5~46°C DB –9~21°C DB–10~15°C WBIndoortemperature18~37°C DB12~28°C WB10~27°C DBRXS35~60 Outdoortemperature–10~46°C DB –15~24°C DB–16~18°C WBIndoortemperature18~32°C DB 10~30°C DB3MXS40~684MXS68~805MXS90Outdoortemperature–10~46°C DB –15~24°C DB–16~18°C WBIndoortemperature18~32°C DB 10~30°C DBRZQG71~140 Outdoortemperature–15~50°C DB –19~21°C DB–20~15.5°C WBIndoortemperature18~37°C DB12~28°C WB10~27°C DBRZQSG71~140 Outdoortemperature–15~46°C DB –14~21°C DB–15~15.5°C WBIndoortemperature20~37°C DB14~28°C WB10~27°C DBRZQ200~250 Outdoortemperature–5~46°C DB –14~21°C DB–15~15°C WBIndoortemperature20~37°C DB14~28°C WB10~27°C DBAZQS71~125 Outdoortemperature–15~46°C DB –14~21°C DB–15~15.5°C WBIndoortemperature20~37°C DB14~28°C WB10~27°C DBFor combination with R32 outdoor unit, refer to the following table:Outdoor units Cooling HeatingRXM35~60 Outdoortemperature–10~46°C DB –15~24°C DB–16~18°C WBIndoortemperature18~32°C DB 10~30°C DB3MXM40~684MXM68~805MXM90Outdoortemperature–10~46°C DB –15~24°C DB–16~18°C WBIndoortemperature18~32°C DB 10~30°C DBRZAG71~140 Outdoortemperature–20~52°C DB –19.5~21°C DB–20~15.5°C WBIndoortemperature18~37°C DB12~28°C WB10~27°C DBOutdoor units Cooling HeatingRZASG71~140 Outdoortemperature–15~46°C DB –14~21°C DB–15~15.5°C WBIndoortemperature20~37°C DB14~28°C WB10~27°C DBAZAS71~140 Outdoortemperature–15~46°C DB –14~21°C DB–15~15.5°C WBIndoortemperature20~37°C DB14~28°C WB10~27°C DBIndoor humidity ≤80%(a)(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.15.2 Operating the system15.2.1 About operating the system▪ To protect the unit, turn on the main power switch 6 hours beforeoperation.▪ If the main power supply is turned off during operation, operationwill restart automatically after the power turns back on again.15.2.2 About cooling, heating, fan only, andautomatic operation▪ The air flow rate may adjust itself depending on the roomtemperature or the fan may stop immediately. This is not amalfunction.15.2.3 About the heating operationIt may take longer to reach the set temperature for general heatingoperation than for cooling operation.The following operation is performed in order to prevent the heatingcapacity from dropping or cold air from blowing.Defrost operationIn heating operation, freezing of the outdoor unit's air cooled coilincreases over time, restricting the energy transfer to the outdoorunit's coil. Heating capability decreases and the system needs to gointo defrost operation to be able to deliver enough heat to the indoorunits.The indoor unit will stop fan operation, the refrigerant cycle willreverse and energy from inside the building will be used to defrostthe outdoor unit coil.The indoor unit will indicate defrost operation on the display .Hot startIn order to prevent cold air from blowing out of an indoor unit at thestart of heating operation, the indoor fan is automatically stopped.The display of the user interface shows . It may take sometime before the fan starts. This is not a malfunction.