
8.3.HeatingModeOperation
WhenselectingtheHeatingModeOperation,theunitwilloperateaccordingtothesettingbytheRemoteControllerand
theoperationisasthefollowing.
TimeDelaySafetyControl
OverLoadprotectionControl
Whentemperatureofindoorheatexchangerrisesto51,outdoorfanwillstop
whentemperatureofindoorheatexchangerfallsto49,outdoorfanwillrestart.
Whentemperatureofindoorheatexchangerrisesto65orabove,compressorstops,andwillrestart4minuteslater.
4-wayvalvecontrol
Anti-reversingControl
Ifthecompressorstoppedbyswitchingoff,turningoffbyremotecontroller,orpoweroff,itwillnotrestartwithin3minutes.
Whenroomtemperaturereachesthesettemperatureontheremotecontroller,compressorstopsandwillnotrestartwithin
4minutes.
3minutesafterthecompressorstopped,indoorfanwillstopfor1minute.Thenindoorfanwillresumeoperationwiththe
speedat superlow
.
Compressor
Stops
CompressorRestarts
4minuteslater
IndoorHeatExchanger65
Compressor
Stops
CompressorRestarts
3minuteslater
Compressorruns5min
T5lastfor2min
T=intakeairtemperature-evaporatortemperature
Ifthecompressorhasbeencontinuouslyrunningfor5minutesorlonger,andthedifferenceoftemperaturebetween
intakeairandevaporatoriscontinuouslylowerthan5.0orbelowfor2minutes,thecompressorwillstop,andthen
restart3minuteslater.(TimeDelayProtectionControliseffective.)
Duringheatingmodeoperation,4-wayvalveisatopenmode.
Duringheatingmodeoperation,iftheunitturnedoff,the4-wayvalvewillremain
atopenmodefor5minutes.
WarmBootingControl
Whenturningontheunitbyheatingmodeoperation,indoorfan
willbeactivatedwhentemperatureofindoorheatexchanger
reaches30.(Seethefigureontheright)
Warmbootoperationendswhentemperatureofindoorheat
exchangerreaches34.
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CS-UW9GKE/CU-UW9GKE/CS-UW12GKE/CU-UW12GKE
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