Gree GWH18AAD-K6DNA4B/I

33
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
inner pipe
>7
IUR]HQSUHYHQWLQJIUHTXHQF\OLPLWHGWHPSHUDWXUH
@\RXVKRXOG OLPLWWKHIUHTXHQF\UDLVLQJRI
FRPSUHVVRU
3. Reducing frequency at normal speed:
,I >7
IUR]HQSUHYHQWLQJ KLJK VSHHG IUHTXHQF\UHGXFLQJ WHPSHUDWXUH
@7
inner pipe
>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
]
7
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
PRGHWUDQVIHUULQJZLOOQRWFOHDULW
(5) Overload protection function
2YHUORDGSURWHFWLRQIXQFWLRQDWWKHPRGHRIFRROLQJDQGGHKXPLGLI\LQJ
1. Starting estimation:
$IWHUWKHFRPSUHVVRUVWRSSHGZRUNLQJIRUVLI7
RXWHUSLSH
>7
&RROLQJRYHUORDG IUHTXHQF\OLPLWHGWHPSHUDWXUH
@WKHWHPSHUDWXUHRIK\VWHUHVLVLV&WKH
PDFKLQHLVDOORZHGWRVWDUWRWKHUZLVHLWVKRXOGQRWEHVWDUWHGDQGVKRXOGEHVWRSSHGWRWUHDWDFFRUGLQJWRWKHRYHUORDGSURWHFWLRQ&OHDUWKH
WURXEOHDWWKHPRGHRISRZHUWXUQRIIKHDWLQJDQGWKHSURWHFWLRQWLPHVDUHQRWFRXQWHG
2. Frequency limited
,I >7
&RROLQJ RYHUORDG IUHTXHQF\OLPLWHG WHPSHUDWXUH
@ 7
RXWHU SLSH
>7
&RROLQJ RYHUORDG IUHTXHQF\ UHGXFLQJ WHPSHUDWXUH DW QRUPDO VSHHG
@ \RX VKRXOG OLPLW WKH IUHTXHQF\ UDLVLQJ RI
FRPSUHVVRU
3. Reducing frequency at normal speed and power turn-off:
,I>7
&RROLQJRYHUORDGIUHTXHQF\ UHGXFLQJ WHPSHUDWXUH DW KLJK VSHHG
@7
RXWHUSLSH
>7
&RROLQJRYHUORDGSRZHUWXUQRIIWHPSHUDWXUH
@\RXVKRXOGDGMXVWWKHFRPSUHVVRUIUHTXHQF\
E\UHGXFLQJ+]VWLOOWKHORZHUOLPLW$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
PRGHZLOOQRWFOHDULW
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
protection:
&OHDUWKHWURXEOHDWWKHPRGHRISRZHUWXUQRIIKHDWLQJDQGWKHSURWHFWLRQWLPHVDUHQRWFRXQWHG