Gree VIR18HP230V1B - Protection Functions; Frozen-Preventing Protection; Overload Protection (Cooling;Dehumidifying)

26
7HFKQLFDO,QIRUPDWLRQ
Service Manual
1. Starting estimation:
$IWHUWKHFRPSUHVVRUVWRSSHGZRUNLQJIRU V LI7
inner pipe
!>7
IUR]HQSUHYHQWLQJIUHTXHQF\OLPLWHGWHPSHUDWXUH
WKHWHPSHUDWXUHRIK\VWHUHVLVLV ) @
WKHPDFKLQHLVRQO\DOORZHGWRVWDUWIRURSHUDWLQJRWKHUZLVHLWVKRXOGQRWEHVWDUWHGDQGVKRXOGEHVWRSSHGWRWUHDWDFFRUGLQJWRWKHIUR]HQ
SUHYHQWLQJSURWHFWLRQ&OHDUWKHWURXEOHXQGHUWKHPRGHRISRZHUWXUQRIIKHDWLQJDQGWKHSURWHFWLRQWLPHVDUHQRWFRXQWHG
2. Frequency limited
>7
IUR]HQSUHYHQWLQJQRUPDOVSHHG IUHTXHQF\UHGXFLQJ WHPSHUDWXUH
@>7
LQQHUSLSH7IUR]HQSUHYHQWLQJ IUHTXHQF\OLPLWHGWHPSHUDWXUH
@\RXVKRXOGOLPLWWKH IUHTXHQF\ UDLVLQJRI
compressor.
3. Reducing frequency at normal speed:
,I >7
IUR]HQSUHYHQWLQJ KLJK VSHHG IUHTXHQF\UHGXFLQJ WHPSHUDWXUH
@ >7
LQQHU SLSH 7 IUR]HQSUHYHQWLQJQRUPDO VSHHG IUHTXHQF\UHGXFLQJ WHPSHUDWXUH
@ \RX VKRXOG DGMXVW WKHFRPSUHVVRU
IUHTXHQF\E\UHGXFLQJ+]VWLOOWKHORZHUOLPLW
4. Reducing frequency at high speed:
,I>7
IUR]HQSUHYHQWLQJSRZHUWXUQRIIWHPSHUDWXUH
@7
inner pipe
>7
IUR]HQSUHYHQWLQJKLJKVSHHGIUHTXHQF\UHGXFLQJWHPSHUDWXUH
@\RXVKRXOG DGMXVWWKHFRPSUHVVRUIUHTXHQF\E\
UHGXFLQJ+]VWLOOWKHORZHUOLPLW
5. Power turn-off:
,IWKH7
inner pipe
>7
IUR]HQSUHYHQWLQJSRZHU WXUQRIIWHPSHUDWXUH
@WKHQIUR]HQSUHYHQWLQJSURWHFWWRVWRSWKHPDFKLQH,I7>
IUR]HQSUHYHQWLQJIUHTXHQF\OLPLWHG WHPSHUDWXUH
]
<T
inner pipe
DQGWKHFRPSUHVVRUKDVVWRSSHGZRUNLQJIRUPLQXWHVWKHZKROHPDFKLQHVKRXOGEHDOORZHGWRRSHUDWH
,IWKHIUR]HQSUHYHQWLQJSURWHFWLRQSRZHUWXUQRIIFRQWLQXRXVO\RFFXUVIRUVL[WLPHVLWVKRXOGQRWEHUHVXPHGDXWRPDWLFDOO\DQG\RXVKRXOG
SUHVVWKH212))EXWWRQ WR UHVXPHLIWKHIDXOWNHHSVRQ'XULQJ WKH SURFHVVRIUXQQLQJLIWKHUXQQLQJWLPH RI FRPSUHVVRUH[FHHGVWKHW
HYDSRUDWRUIUR]HQSUHYHQWLQJSURWHFWLRQWLPHV]HURFOHDULQJWLPHWKHWLPHVRIIUR]HQSUHYHQWLQJSRZHUWXUQRIIVKRXOGEHFOHDUHGWRUHFRXQW
7KHPRGHRIVWRSSLQJWKHPDFKLQHRUWUDQVIHUULQJWRVXSSO\DLUZLOOFOHDUWKHWURXEOHWLPHVLPPHGLDWHO\LIWKHWURXEOHFDQQRWEHUHVXPHG
mode transferring will not clear it).
(5) Overload protection function
2YHUORDGSURWHFWLRQIXQFWLRQDWWKHPRGHRI&RROLQJDQGGHKXPLGLI\LQJ
1. Starting estimation:
$IWHUWKHFRPSUHVVRUVWRSSHGZRUNLQJIRUVLI7
RXWHUSLSH
>7
&RROLQJRYHUORDGIUHTXHQF\OLPLWHGWHPSHUDWXUH
@WKHWHPSHUDWXUHRIK\VWHUHVLVLV)WKH
PDFKLQHLVDOORZHGWRVWDUWRWKHUZLVHLWVKRXOGQRWEHVWDUWHGDQGVKRXOGEHVWRSSHGWRWUHDWDFFRUGLQJWRWKHRYHUORDGSURWHFWLRQ&OHDUWKH
WURXEOHDWWKHPRGHRISRZHUWXUQRIIKHDWLQJDQGWKHSURWHFWLRQWLPHVDUHQRWFRXQWHG
2. Frequency limited
,I >7
&RROLQJ RYHUORDG IUHTXHQF\OLPLWHG WHPSHUDWXUH
@ >7
RXWHU SLSH 7&RROLQJ RYHUORDG IUHTXHQF\ UHGXFLQJ WHPSHUDWXUH DW QRUPDO VSHHG
@ \RX VKRXOG OLPLW WKH IUHTXHQF\ UDLVLQJ RI
compressor.
3. Reducing frequency at normal speed and power turn-off:
,I>7
&RROLQJRYHUORDGIUHTXHQF\UHGXFLQJWHPSHUDWXUHDWKLJKVSHHG
@7
RXWHUSLSH
>7
&RROLQJRYHUORDGSRZHUWXUQRIIWHPSHUDWXUH
@\RXVKRXOGDGMXVWWKHFRPSUHVVRUIUHTXHQF\
E\UHGXFLQJ+]VWLOOWKHORZHUOLPLW$IWHULWZDVUXQQLQJVDWWKHORZHUOLPLWLI>7
&RROLQJRYHUORDGIUHTXHQF\UHGXFLQJWHPSHUDWXUHDWQRUPDOVSHHG
@7
RXWHUSLSH
,
WKHQ&RROLQJRYHUORDGSURWHFWVPDFKLQHVWRSSLQJ
4. Reducing frequency at high speed and stop machine:
,I>7
&RROLQJRYHUORDGIUHTXHQF\UHGXFLQJWHPSHUDWXUH DWKLJKVSHHG
@7
RXWHUSLSH
>7
&RROLQJRYHUORDGSRZHUWXUQRIIWHPSHUDWXUH
@\RXVKRXOGDGMXVWWKHFRPSUHVVRUIUHTXHQF\E\
UHGXFLQJ+]VWLOOWKHORZHUOLPLW$IWHULWZDVUXQQLQJVDWWKHORZHUOLPLWLI>7
&RROLQJRYHUORDGIUHTXHQF\UHGXFLQJWHPSHUDWXUHDWQRUPDOVSHHG
@>7
RXWHUSLSH@
,
WKHQ&RROLQJRYHUORDGSURWHFWVPDFKLQHVWRSSLQJ
5. Power turn-off:
,IWKH>7
&RROLQJRYHUORDGSRZHU WXUQRIIWHPSHUDWXUH
@7
RXWHUSLSH
WKHQ&RROLQJRYHUORDGSURWHFWVPDFKLQHVWRSSLQJ,I>7
RXWHUSLSH
@>7
&RROLQJRYHUORDGIUHTXHQF\OLPLWHG
WHPSHUDWXUH
@DQGWKHFRPSUHVVRUKDVEHHQVWRSSHGZRUNLQJIRUPLQXWHVWKHPDFKLQHVKRXOGEHDOORZHGWRRSHUDWH
,IWKH&RROLQJRYHUORDGSURWHFWLRQSRZHUWXUQRIIFRQWLQXRXVO\RFFXUVIRUVL[WLPHVLWVKRXOGQRWEHUHVXPHGDXWRPDWLFDOO\DQG\RXVKRXOG
SUHVVWKH212))EXWWRQ WR UHVXPHLIWKHIDXOWNHHSVRQ'XULQJ WKH SURFHVVRIUXQQLQJLIWKHUXQQLQJWLPH RI FRPSUHVVRUH[FHHGVWKHW
RYHUORDG SURWHFWLRQ WLPHV ]HUR FOHDULQJ WLPH  WKH WLPHV RI RYHUORDG SURWHFWLRQ SRZHU WXUQRIIVKRXOG EH FOHDUHG WR UHFRXQW 7KH PRGH RI
VWRSSLQJWKH PDFKLQH RU WUDQVIHUULQJWR VXSSO\ DLU ZLOOFOHDU WKH WURXEOH WLPHVLPPHGLDWHO\LI WKH WURXEOH FDQQRW EH UHVXPHG WUDQVIHUULQJ
mode will not clear it).
Overload protection function at the mode of heating
Starting estimation :
$IWHUWKHFRPSUHVVRUVWRSSHG ZRUNLQJIRUVLI7 LQQHUSLSH7 KHDWLQJRYHUORDG IUHTXHQF\OLPLWHGWHPSHUDWXUHWKHWHPSHUDWXUHRI
K\VWHUHVLVLV) WKHPDFKLQHLVDOORZHG WRVWDUWRWKHUZLVHLW VKRXOGQRWEHVWDUWHGDQG VKRXOGEHVWRSSHGWRWUHDWDFFRUGLQJWRWKH
RYHUORDGSURWHFWLRQ
&OHDUWKHWURXEOHDWWKHPRGHRISRZHUWXUQRIIKHDWLQJDQGWKHSURWHFWLRQWLPHVDUHQRWFRXQWHG