26
7HFKQLFDO,QIRUPDWLRQ
Service Manual
ĸ
Protection
D,QFRROLQJRSHUDWLRQSURWHFWLRQLVWKHVDPHDVWKDWXQGHUWKHFRROLQJPRGH
E,QKHDWLQJRSHUDWLRQSURWHFWLRQLVWKHVDPHDVWKDWXQGHUWKHKHDWLQJPRGH
F:KHQDPELHQWWHPSHUDWXUHFKDQJHVRSHUDWLRQPRGHZLOOEHFRQYHUWHGSUHIHUHQWLDOO\2QFHVWDUWHGWKHFRPSUHVVRUZLOO
UHPDLQXQFKDQJHGIRUDWOHDVWPLQXWHV
(6) Common Protection Functions and Fault Display under COOL, HEAT, DRY and AUTO Modes
ķ
Overload protection
7WXEHPHDVXUHGWHPSHUDWXUHRIRXWGRRUKHDWH[FKDQJHUXQGHUFRROLQJPRGHDQGPHDVXUHGWHPSHUDWXUHRILQGRRUKHDWH[FKDQJHU
XQGHUKHDWLQJPRGH
1) Cooling overload
D,I7WXEH
°C
WKHXQLWZLOOUHWXUQWRLWVRULJLQDORSHUDWLRQVWDWH
E,I7WXEH
°C
IUHTXHQF\ULVHLVQRWDOORZHG
F,I7WXEH
°C
WKHFRPSUHVVRUZLOOUXQDWUHGXFHGIUHTXHQF\
G,I7WXEH
°C
WKHFRPSUHVVRUZLOOVWRSDQGWKHLQGRRUIDQZLOOUXQDWSUHVHWVSHHG
2) Heating overload
D,I7WXEH
°C
WKHXQLWZLOOUHWXUQWRLWVRULJLQDORSHUDWLRQVWDWH
E,I7WXEH
°C
IUHTXHQF\ULVHLVQRWDOORZHG
F,I7WXEH
°C
WKHFRPSUHVVRUZLOOUXQDWUHGXFHGIUHTXHQF\
G,I7WXEH
°C
WKHFRPSUHVVRUZLOOVWRSDQGWKHLQGRRUIDQZLOOEORZUHVLGXHKHDWDQGWKHQVWRS
ĸ
Exhaust temperature protection of compressor
,IH[KDXVWWHPSHUDWXUH
°C
IUHTXHQF\LVQRWDOORZHGWRULVH
,IH[KDXVWWHPSHUDWXUH
°C
WKHFRPSUHVVRUZLOOUXQDWUHGXFHGIUHTXHQF\
,IH[KDXVWWHPSHUDWXUH
°C
WKHFRPSUHVVRUZLOOVWRS
,IH[KDXVWWHPSHUDWXUH
°C
DQGWKHFRPSUHVVRUKDVVWD\HGDWVWRSIRUDWOHDVWPLQXWHVWKHFRPSUHVVRUZLOOUHVXPHLWVRSHUDWLRQ
Ĺ
Communication fault
,IWKHXQLWIDLOVWRUHFHLYHFRUUHFWVLJQDOVIRUGXUDWLYHPLQXWHVFRPPXQLFDWLRQIDXOWFDQEHMXVWL¿HGDQGWKHZKROHV\VWHPZLOOVWRS
ĺ
Module protection
8QGHU PRGXOH SURWHFWLRQ PRGH WKH FRPSUHVVRU ZLOO VWRS :KHQ WKH FRPSUHVVRU UHPDLQV DW VWRS IRU DW OHDVW PLQXWHV WKH
FRPSUHVVRUZLOOUHVXPHLWVRSHUDWLRQ,IPRGXOHSURWHFWLRQRFFXUVVL[WLPHVLQVXFFHVVLRQWKHFRPSUHVVRUZLOOQRWEHVWDUWHGDJDLQ
Ļ
Overload protection
,IWHPSHUDWXUHVHQVHGE\WKHRYHUORDGVHQVRULVRYHU
°C
WKHFRPSUHVVRUZLOOVWRSDQGWKHRXWGRRUIDQZLOOVWRSZLWKDWLPHODJRI
VHFRQGV,IWHPSHUDWXUHLVEHORZ
°C
WKHRYHUORDGSURWHFWLRQZLOOEHUHOLHYHG
°C.
ļ
DC bus voltage protection
,IYROWDJHRQWKH'&EXVLVEHORZ9RURYHU9WKHFRPSUHVVRUZLOOVWRSDQGWKHRXWGRRUIDQZLOOVWRSZLWKDWLPHODJRI
VHFRQGV:KHQYROWDJHRQWKH'&EXVUHWXUQVWRLWVQRUPDOYDOXHDQGWKHFRPSUHVVRUKDVVWD\HGDWVWRSIRUDWOHDVWPLQXWHVWKH
FRPSUHVVRUZLOOUHVXPHLWVRSHUDWLRQ
Ľ
Faults of temperature sensors
3. Other Controls
(1) ON/OFF
3UHVVWKHUHPRWHEXWWRQ212))WKHRQRIIVWDWHZLOOEHFKDQJHGRQFHHDFKWLPH\RXSUHVVWKHEXWWRQ
(2) Mode Selection
3UHVVWKHUHPRWHEXWWRQ02'(WKHQVHOHFWDQGVKRZLQWKHIROORZLQJZD\V$872&22/'5<)$1+($7$872
(3) Temperature Setting Option Button
(DFKWLPH\RXSUHVVWKHUHPRWHEXWWRQ7(03RU7(03WKHVHWWLQJWHPSHUDWXUHZLOOEHXSRUGRZQE\
°C
5HJXODWLQJ
Range: 16~30°C
WKHEXWWRQLVXVHOHVVXQGHUWKH$872PRGH
(4) Time Switch
<RXVKRXOGVWDUWDQGVWRSWKHPDFKLQHDFFRUGLQJWRWKHVHWWLQJWLPHE\UHPRWHFRQWURO
(5) SLEEP State Control
1. In cooling mode:
:KHQWKHLQLWLDOVHWWHPSHUDWXUHLV
°C
WKHWHPSHUDWXUHZLOOULVH
°C
E\HYHU\KRXUDIWHUVOHHSIXQFWLRQLVVHWWKHWHPSHUDWXUH
ZLOOQRWFKDQJHDIWHUULVLQJ
°C
DIWHUUXQQLQJIRUKRXUVWKHWHPSHUDWXUHZLOOGHFUHDVH
°C
DQGLWZLOOQRWFKDQJHDIWHUWKDW