Gree GWH18AAD-K6DNA4B/I

31
Technical Information
Service Manual
Outdoor Units
1. Input Parameter Compensation and Calibration
(1) Check the ambient temperature compensation function Indoor ambient temperature compensation function.
D,QFRROLQJPRGHWKHLQGRRUDPELHQWWHPSHUDWXUHSDUWLFLSDWLQJLQFRPSXWLQJFRQWURO 7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
FRROLQJLQGRRUDPELHQWWHPSHUDWXUH
FRPSHQVDWLRQ
)
E,QKHDWLQJPRGHWKHLQGRRUDPELHQWWHPSHUDWXUHSDUWLFLSDWLQJLQFRPSXWLQJFRQWURO 7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
KHDWLQJLQGRRUDPELHQWWHPSHUDWXUH
FRPSHQVDWLRQ
)
(2) Check effective judgment controls of parameters
(IIHFWLYHMXGJPHQWIXQFWLRQRIWKHRXWGRRUH[KDXVWWHPSHUDWXUHWKHUPREXOE:KHQFRQGLWLRQVDDQGEDUHVDWLV¿HGWKHRXWGRRUH[KDXVW
WHPSHUDWXUHWKHUPREXOELVMXGJHGQRWWREHFRQQHFWHGLQWRSODFHWKHPDLQERDUGRIRXWHUXQLWVZLOOGLVSOD\IDLOXUHRIWKHRXWGRRUH[KDXVW
WHPSHUDWXUHWKHUPREXOEQRWFRQQHFWHGLQWRSODFHVWRSWKHPDFKLQHIRUUHSDLULQJDQGUHVXPHWKHPDFKLQHE\UHPRWHFRQWUROVRI21
2))
D-XGJPHQWRIH[KDXVWGHWHFWLRQWHPSHUDWXUHFKDQJH
$IWHUWKHFRPSUHVVRUVWDUWVXSDQGUXQVIRUPLQXWHVLIWKHFRPSUHVVRUIUHTXHQF\I+]DQGWKHULVLQJYDOXH7H[KDXVW7
H[KDXVWDIWHUVWDUW
XSIRUPLQXWHV
7
H[KDXVWEHIRUHVWDUWXS
&WKHRXWGRRUH[KDXVWWHPSHUDWXUHWKHUPREXOEFDQEHMXGJHGQRWWREHFRQQHFWHGLQWRSODFHMXGJLQJ
RQFHZKHQWKHSRZHULVRQWKH¿UVWWLPH
E&RPSDUDWLYHMXGJPHQWRIH[KDXVWGHWHFWLRQWHPSHUDWXUHDQGFRQGHQVHUGHWHFWLRQWHPSHUDWXUH7
SLSHWHPSHUDWXUH
 7
RXWGRRUSLSHWHPSHUDWXUHLQFRROLQJ
PRGH
7
SLSHWHPSHUDWXUH
 7
LQGRRUSLSHWHPSHUDWXUHLQKHDWLQJPRGH
$IWHUWKHFRPSUHVVRUVWDUWVXSDQGUXQVIRUPLQXWHVLIWKHFRPSUHVVRUIUHTXHQF\I
+]DQG7
SLSHWHPSHUDWXUH
7
H[KDXVW
WKHRXWGRRUH[KDXVWWHPSHUDWXUHWKHUPREXOEFDQEHMXGJHGQRWWREHFRQQHFWHGLQWRSODFHMXGJLQJ
RQFHZKHQSRZHULVRQWKH¿UVWWLPH
2. Basic Functions
(1) Cooling Mode
1. Conditions and processes of cooling operation:
,IWKHFRPSUHVVRULVVKXWGRZQDQG>7
VHWXS
±7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
FRROLQJLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQ
@&VWDUWXSWKHPDFKLQH
IRUFRROLQJWKHFRROLQJRSHUDWLRQZLOOVWDUW
'XULQJRSHUDWLRQVRIFRROLQJLI&>7
VHWXS
±7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
FRROLQJLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQ
@&WKHFRROLQJRSHUDWLRQ
ZLOOEHVWLOOUXQQLQJ
'XULQJRSHUDWLRQVRIFRROLQJLI&>7
VHWXS
±7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
FRROLQJLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQ
@WKHFRROLQJRSHUDWLRQZLOO
VWRSDIWHUUHDFKLQJWKHWHPSHUDWXUHSRLQW
2. Temperature setting range
,I7
RXWGRRUDPELHQWWHPSHUDWXUH
>7
ORZWHPSHUDWXUHFRROLQJWHPSHUDWXUH
@WKHWHPSHUDWXUHFDQEHVHWDWa&&RROLQJDWURRPWHPSHUDWXUH
,I7
RXWGRRUDPELHQWWHPSHUDWXUH
>7
ORZWHPSHUDWXUHFRROLQJWHPSHUDWXUH
@WKHWHPSHUDWXUHFDQEHVHWDWa&&RROLQJDWORZWHPSHUDWXUHWKDWLVWKH
PLQLPXPVHWWLQJWHPSHUDWXUHIRURXWHUXQLWVMXGJPHQWLV&
(2) Dehumidifying Mode
&RQGLWLRQVDQGSURFHVVHVRIGHKXPLGLI\LQJRSHUDWLRQV6DPHDVWKHFRROLQJPRGH
7KHWHPSHUDWXUHVHWWLQJUDQJHLVa&
(3) Air-supplying Mode
7KHFRPSUHVVRURXWGRRUIDQVDQGIRXUZD\YDOYHVDUHVZLWFKHGRII
7KHWHPSHUDWXUHVHWWLQJUDQJHLVa&
(4) Heating Mode
&RQGLWLRQVDQGSURFHVVHVRIKHDWLQJRSHUDWLRQV7LQGRRUDPELHQWWHPSHUDWXUHLVWKHDFWXDOGHWHFWLRQWHPSHUDWXUHRILQGRRUHQYLURQPHQW
WKHUPREXOE7KHDWLQJLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQ LVWKHLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQGXULQJ KHDWLQJ
operations)
,IWKHFRPSUHVVRULVVKXWGRZQDQG>7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
KHDWLQJLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQ
±7
VHWXS
@&VWDUWWKHPDFKLQHWR
HQWHULQWRKHDWLQJRSHUDWLRQVIRUKHDWLQJ
'XULQJRSHUDWLRQV RIKHDWLQJ LI& >7
LQGRRUDPELHQW WHPSHUDWXUH
–

7
KHDWLQJLQGRRU DPELHQW WHPSHUDWXUHFRPSHQVDWLRQ
 ±7
VHWXS
@& WKHKHDWLQJ
RSHUDWLRQZLOOEHVWLOOUXQQLQJ
'XULQJRSHUDWLRQVRIKHDWLQJLI&>7
LQGRRUDPELHQWWHPSHUDWXUH
–

7
KHDWLQJLQGRRUDPELHQWWHPSHUDWXUHFRPSHQVDWLRQ
±7
VHWXS
@WKHKHDWLQJRSHUDWLRQZLOO
VWRSDIWHUUHDFKLQJWKHWHPSHUDWXUHSRLQW
7KHWHPSHUDWXUHVHWWLQJUDQJHLQWKLVPRGHLVa&