Gree LIVS09HP115V1A - Overload Protection Function; Overload Protection Function at the Mode of Heating; Power Turn-Off; Starting Estimation

23
Technical Information
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
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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
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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
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