55
Installation and Maintenance
Service Manual
7. Abnormal Sound and Vibration
3RVVLEOHFDXVHV
'LVFULPLQDWLQJPHWKRGDLUFRQGLWLRQHUVWDWXV
7URXEOHVKRRWLQJ
:KHQWXUQRQRUWXUQRIIWKHXQLW
WKHSDQHODQGRWKHUSDUWVZLOO
H[SDQGDQGWKHUHVDEQRUPDO
VRXQG
7KHUHVWKHVRXQGRI3$3$
1RUPDOSKHQRPHQRQ$EQRUPDOVRXQGZLOO
GLVDSSHDUDIWHUDIHZPLQXWHV
:KHQWXUQRQRUWXUQRIIWKHXQLW
WKHUHVDEQRUPDOVRXQGGXH
WRÀRZRIUHIULJHUDQWLQVLGHDLU
conditioner
:DWHUUXQQLQJVRXQGFDQEHKHDUG
1RUPDOSKHQRPHQRQ$EQRUPDOVRXQGZLOO
GLVDSSHDUDIWHUDIHZPLQXWHV
)RUHLJQREMHFWVLQVLGHWKHLQGRRU
XQLWRUWKHUHUHSDUWVWRXFKLQJ
WRJHWKHULQVLGHWKHLQGRRUXQLW
7KHUHVDEQRUPDOVRXQGIURLQGRRUXQLW
5HPRYHIRUHLJQREMHFWV$GMXVWDOOSDUWV
SRVLWLRQRILQGRRUXQLWWLJKWHQVFUHZVDQGVWLFN
damping plaster between connected parts
)RUHLJQREMHFWVLQVLGHWKHRXWGRRU
XQLWRUWKHUHUHSDUWVWRXFKLQJ
WRJHWKHULQVLGHWKHRXWGRRUXQLW
7KHUHVDEQRUPDOVRXQGIURRXWGRRUXQLW
5HPRYHIRUHLJQREMHFWV$GMXVWDOOSDUWV
SRVLWLRQRIRXWGRRUXQLWWLJKWHQVFUHZVDQG
VWLFNGDPSLQJSODVWHUEHWZHHQFRQQHFWHGSDUWV
6KRUWFLUFXLWLQVLGHWKHPDJQHWLF
coil
'XULQJKHDWLQJWKHZD\YDOYHKDVDEQRUPDO
HOHFWURPDJQHWLFVRXQG
Replace magnetic coil
$EQRUPDOVKDNHRIFRPSUHVVRU 2XWGRRUXQLWJLYHVRXWDEQRUPDOVRXQG
$GMXVWWKHVXSSRUWIRRWPDWRIFRPSUHVVRU
WLJKWHQWKHEROWV
$EQRUPDOVRXQGLQVLGHWKH
compressor
$EQRUPDOVRXQGLQVLGHWKHFRPSUHVVRU
,IDGGWRRPXFKUHIULJHUDQWGXULQJPDLQWHQDQFH
SOHDVHUHGXFHUHIULJHUDQWSURSHUO\5HSODFH
FRPSUHVVRUIRURWKHUFLUFXPVWDQFHV
6. Air Conditioner is Leaking
3RVVLEOHFDXVHV
'LVFULPLQDWLQJPHWKRGDLUFRQGLWLRQHUVWDWXV
7URXEOHVKRRWLQJ
'UDLQSLSHLVEORFNHG
:DWHUOHDNLQJIURPLQGRRUXQLW
(OLPLQDWH WKH IRUHLJQ REMHFWV LQVLGH WKH GUDLQ
pipe
'UDLQSLSHLVEURNHQ
:DWHUOHDNLQJIURPGUDLQSLSH
Replace drain pipe
:UDSSLQJLVQRWWLJKW
:DWHUOHDNLQJIURPWKHSLSHFRQQHFWLRQSODFHRI
LQGRRUXQLW
:UDSLWDJDLQDQGEXQGOHLWWLJKWO\
5. Compressor Can't Operate
3RVVLEOHFDXVHV
'LVFULPLQDWLQJPHWKRGDLUFRQGLWLRQHUVWDWXV
7URXEOHVKRRWLQJ
Wrong wire connection, or poor
connection
&KHFNWKHZLULQJVWDWXVDFFRUGLQJWRFLUFXLW
diagram
Connect wires according to wiring diagram to
PDNHVXUHDOOZLULQJWHUPLQDOVDUHFRQQHFWHG
¿UPO\
Capacity of compressor is
damaged
0HDVXUHWKHFDSDFLW\RIIDQFDSDFLWRUZLWKDQ
XQLYHUVDOPHWHUDQG¿QGWKDWWKHFDSDFLW\LVRXWRI
WKHGHYLDWLRQUDQJHLQGLFDWHGRQWKHQDPHSODWHRI
fan capacitor.
5HSODFHWKHFRPSUHVVRUFDSDFLWRU
3RZHUYROWDJHLVDOLWWOHORZRU
KLJK
8VHXQLYHUVDOPHWHUWRPHDVXUHWKHSRZHUVXSSO\
YROWDJH7KHYROWDJHLVDOLWWOHKLJKRUORZ
6XJJHVWWRHTXLSZLWKYROWDJHUHJXODWRU
&RLORIFRPSUHVVRULVEXUQWRXW
8VHXQLYHUVDOPHWHUWRPHDVXUHWKHUHVLVWDQFH
EHWZHHQFRPSUHVVRUWHUPLQDOVDQGLWV
Repair or replace compressor
&\OLQGHURIFRPSUHVVRULVEORFNHG&RPSUHVVRUFDQWRSHUDWH
Repair or replace compressor
4. ODU fan Motor Can't Operate
3RVVLEOHFDXVHV
'LVFULPLQDWLQJPHWKRGDLUFRQGLWLRQHUVWDWXV
7URXEOHVKRRWLQJ
Wrong wire connection, or poor
connection
&KHFNWKHZLULQJVWDWXVDFFRUGLQJWRFLUFXLW
diagram
Connect wires according to wiring diagram to
PDNHVXUHDOOZLULQJWHUPLQDOVDUHFRQQHFWHG
¿UPO\
&DSDFLW\RIWKH2'8IDQPRWRULV
damaged
0HDVXUHWKHFDSDFLW\RIIDQFDSDFLWRUZLWKDQ
XQLYHUVDOPHWHUDQG¿QGWKDWWKHFDSDFLW\LVRXWRI
WKHGHYLDWLRQUDQJHLQGLFDWHGRQWKHQDPHSODWHRI
fan capacitor.
5HSODFHWKHFDSDFLW\RIIDQ
3RZHUYROWDJHLVDOLWWOHORZRU
KLJK
8VHXQLYHUVDOPHWHUWRPHDVXUHWKHSRZHUVXSSO\
YROWDJH7KHYROWDJHLVDOLWWOHKLJKRUORZ
6XJJHVWWRHTXLSZLWKYROWDJHUHJXODWRU
0RWRURIRXWGRRUXQLWLVGDPDJHG
:KHQXQLWLVRQFRROLQJKHDWLQJSHUIRUPDQFH
is bad and ODU compressor generates a lot of
QRLVHDQGKHDW
&KDQJHFRPSUHVVRURLODQGUHIULJHUDQW,IQR
EHWWHUUHSODFHWKHFRPSUHVVRUZLWKDQHZRQH
