39
Installation and Maintenance
Service Manual
No.
0DOIXQFWLRQ
Name
'LVSOD\0HWKRGRI,QGRRU8QLW
'LVSOD\0HWKRGRI2XWGRRU
Unit
$&VWDWXV 3RVVLEOH&DXVHV
'XDO
Code
Display
,QGLFDWRU'LVSOD\GXULQJ
EOLQNLQJ21VDQG2))
0.5s)
,QGLFDWRUKDVNLQGVRI
GLVSOD\VWDWXVDQGGXULQJ
EOLQNLQJ21VDQG2))
0.5s
Operation
Indicator
Cool
Indicator
Heating
Indicator
Yellow
Indicator
Red
Indicator
Green
Indicator
11
*DWKHULQJ
refrigerant
)R
2))6
DQGEOLQN
1 times
2))6
DQGEOLQN
1 times
:KHQWKHRXWGRRUXQLWUHFHLYH
VLJQDORI*DWKHULQJUHIULJHUDQW
WKHV\VWHPZLOOEHIRUFHGWR
UXQXQGHUFRROLQJPRGHIRU
JDWKHULQJUHIULJHUDQW
Nominal cooling mode
12
Indoor
ambient
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
once
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQLQGRRUXQLWRSHUDWHV
ZKLOHRWKHUORDGVZLOOVWRS
GXULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation.
1. Loosening or bad contact of
indoor ambient temp. sensor and
mainboard terminal.
2. Components in mainboard fell
GRZQOHDGVVKRUWFLUFXLW
3. Indoor ambient temp. sensor
GDPDJHGFKHFNZLWKVHQVRU
UHVLVWDQFHYDOXHFKDUW
4. Mainboard damaged.
13
Indoor
HYDSRUDWRU
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
twice
AC stops operation once
UHDFKHVWKHVHWWLQJ
WHPSHUDWXUH&RROLQJGU\LQJ
internal fan motor stops
RSHUDWLRQZKLOHRWKHUORDGV
VWRSRSHUDWLRQKHDWLQJ$&
stop operation
1. Loosening or bad contact of
Indoor
HYDSRUDWRUWHPSVHQVRUDQG
mainboard terminal.
&RPSRQHQWVRQWKHPDLQERDUG
fall
GRZQOHDGVVKRUWFLUFXLW
,QGRRUHYDSRUDWRUWHPSVHQVRU
GDPDJHGFKHFNWHPSVHQVRU
YDOXH
FKDUWIRUWHVWLQJ
4. Mainboard damaged.
14
2XWGRRU
ambient
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
3 times
2))6
and
EOLQN
6 times
'XULQJFRROLQJDQGGU\LQJ
operating, compressor stops
ZKLOHLQGRRUIDQRSHUDWHV
'XULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORU
LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOHIRU
WHPSHUDWXUHVHQVRU
15
2XWGRRU
condenser
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
4 times
2))6
and
EOLQN
5 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor stops
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation.
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORU
LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOHIRU
WHPSHUDWXUHVHQVRU
16
2XWGRRU
GLVFKDUJH
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
5 times
2))6
and
EOLQN
7 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will sop
DIWHURSHUDWLQJIRUDERXW
mins,
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRSDIWHU
RSHUDWLQJIRUDERXWPLQV
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORULV
GDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOHIRU
WHPSHUDWXUHVHQVRU
7KHKHDGRIWHPSHUDWXUHVHQVRU
KDVQWEHHQLQVHUWHGLQWRWKHFRSSHU
WXEH
17
Limit/
decrease
IUHTXHQF\
GXHWR
RYHUORDG
)
2))6
DQGEOLQN
for 6
times
2))6
and
EOLQN
3 times
All loads operate normally,
ZKLOH
RSHUDWLRQIUHTXHQF\IRU
compressor is decreased
5HIHUWRWKHPDOIXQFWLRQDQDO\VLV
RYHUORDGKLJKWHPSHUDWXUH
resistant)
18
Decrease
IUHTXHQF\
GXHWR
RYHUFXUUHQW
)
2))6
DQGEOLQN
8 times
2))6
and
EOLQN
once
All loads operate normally,
ZKLOH
RSHUDWLRQIUHTXHQF\IRU
compressor is decreased
7KHLQSXWVXSSO\YROWDJHLVWRRORZ
6\VWHPSUHVVXUHLVWRRKLJKDQG
RYHUORDG
To Next Page
Loading...