Hitachi RAS-08PH1 - Heating Operation Details; Heating Basic Operation

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Notes: (1)Hotdashisengagedifthedifferencebetweentheroomtemperatureandsettemperatureisequaltothatbetweentheroomtemperature,atwhichthecompressorreachesmaximumspeed,andsettemperature(
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TWMAX),andtheroomandoutdoor
temperaturesarelessthan10℃;whenthefanspeedis"auto",operationisstartedat"Hi",orthefanspeedischangedto"Hi"duringheating.
(2)Themaximumcompressorspeedperiodduringhotdashisfinished①whentheroomtemperaturereachestheheatingsettemperature(includingheatingshift)plusSFTDSWor②whenthethermoisoff. (3)ThethermoOFFtemperatureduringhotdashisheatingsettemperature(includingheatingshift)plus3℃.AfterthermoOFF,hotdashfinishes,andfuzzycontrolstarts. (4)ThecompressorminimumONtimeandminimumOFFtimeis3minutes. (5)Thetimelimitforwhichthemaximumcompressorspeed(WMAX)or(WMAX2)duringnormalheating(exceptforhotdash)canbemaintainedislessthan120minuteswhentheroomtemperatureis18℃ormore;itisnotprovidedwhentheroom
temperatureislessthan18℃andoutdoortemperatureislessthan2℃.
(6)Theoperationindicatorblinkseverysecondduringinitialcycleoperation,preheating,defrosting(includingbalancetimeafterdefrostingisfinished),orautofreshdefrosting.
(7)Forpreheatingjudgment,preheatingstartsiftheheatexchangetemperatureislowerthanYNEOFCandiscancellediftheheatexchangetemperatureisYNEOFplus0.33℃orhigheratthestartofoperationusingtheSTART/STOPbutton. (8)Duringtheoperationatthefanspeedof"Lo"or"Silent",thecompressorspeedissettoWBEMAXorbelow.ItisrestrictedtoWJKMAXorbelowwhenthefanspeedis"Med". (9)Iftheoutdoortemperature(datafromoutdoorunit)is6℃ormore,themaximumcompressorspeedisWSTD. (
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)Iftheroomtemperaturefallstolessthan18℃inthe"Ultra-Lo"mode,theindoorfanstops.Whentheroomtemperatureis18℃+0.33℃ormore,theultra-Looperationrestarts.However,theultra-Looperationduringpreheatingorpreheatingafter
defrostingdoesnotstopiftheroomtemperatureislessthan18℃.
(
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)WMAX2isusedasthemaximumcompressorspeedduringhotdash,whentheoutdoortemperatureislessthan-5℃.
(
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)WiththermoOFForinapproximately1minuteafteroperationisstoppedusingtheremotecontroller,thefanoperatesinthe"Ultra-Lo"mode.
Thisoperationisfordischargingheatfromtheindoorunit.


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