
24
DeiceControl
Deiceoperationistoprotecttheoutdoorunitfromfreezing.
NormalDeiceOperation
Deicingstarts30minutesafterheatingmodeoperationor60minutesafterthelatestdeicingoperation.Iftemperatureof
outdoorpiping,testedbyTRS,fallsto-3(TRSOFF)orbelowforcontinuously50seconds,deicingoperationstarts.
OverloadDeicingOperation
Duringheatingoperation,iftheaccumulativestoppingtimeofoutdoorfanreaches60minutes,
deicingoperationwillstart1minuteaftercompressorstarts.
Deicingoperationendsunderconditionsbelow
(a)After12minutes.
(b)Temperatureofoutdoorunitrisesto4.
(c)AstheillustrationshowedbellowandduetoTimeDelay(Td),deicingwon tendsimmediately.
Oncedeicingoperationstarts,itwon tenduntil60secondslater.
Whendeicingoperationends,compressorwillstopfor30seconds,and4-wayvalveremainsatcoolingmodeoperation
for10seconds.
TimeGraphforNormalDeicingOperation
a-cDeicingconfirmation
c-gDeicingoperation(timereset)
h-j,u-wWarmBooting
o-rDeicing(TRS)
42
34
30
abcdefghijk
l
m
nopqrstuvwxyz
SloLo
10S20S20S20S20S20S10S20STd
or
BasicTime
Compressor
IndoorFan
OutdoorFan
OperationLED
4-wayvalve
max60'
max12' max12'
max60'
60'
Slo
Lo
CS-UW9GKE/CU-UW9GKE/CS-UW12GKE/CU-UW12GKE
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