37
Installation and Maintenance
Service Manual
6
,QGRRUXQLW
motor no
IHHGEDFN
H6
off 3s
EOLQN
times
:KROHXQLWZLOOVWRSWRUXQ
3RRULQVHUWIRU*3)
2.Indoor control board AP1
PDOIXQFWLRQ
,QGRRUPRWRU0PDOIXQFWLRQ
7
-XPSZLUHFDS
PDOIXQFWLRQ
protection
C5
off 3s
EOLQN
15 times
:KROHXQLWZLOOVWRSWRUXQ
,QGRRUFRQWUROERDUG$3MXPS
cap poor connected please
UHLQVHUW RU UHSODFH WKH MXPS
cap
8
Indoor ambient
sensor open
FLUFXLWVKRUW
FLUFXLW
)
off 3s
EOLQN
once
&RROLQJGHKXPLGLI\LQJ
indoor fan motor is
UXQQLQJRWKHURYHUORDGV
ZLOOVWRSKHDWLQJZKROH
XQLWZLOOVWRSWRUXQ
1.Room temp sensor is
QRWFRQQHFWHGZLWKWKH
control panel AP1
2.Room temp sensor is
damaged
9
Indoor
HYDSRUDWRU
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
twice
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQLQGRRUXQLWZLOO
RSHUDWHZKLOHRWKHUORDGV
ZLOOVWRS'XULQJKHDWLQJ
RSHUDWLRQWKHFRPSOHWHXQLW
will stop operation.
5RRPWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOOZLWK
LQGRRUXQLWVFRQWUROSDQHO$3
UHIHUWRWKHZLULQJGLDJUDPIRU
LQGRRUXQLW
5RRPWHPSHUDWXUHVHQVRULV
GDPDJHGSOHDVHUHIHUWRWKH
UHVLVWDQFHWDEOHRIWHPSHUDWXUH
sensor)
10
2XWGRRU
ambient
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
3 times
ƶ
ƶ
ƿ
Ƶ
'XULQJFRROLQJDQGGU\LQJ
operating, compressor stops
ZKLOHLQGRRUIDQRSHUDWHV
'XULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORU
LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOH
IRUWHPSHUDWXUHVHQVRU
11
2XWGRRU
condenser
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
4 times
ƶ
ƶ
ƿ
ƶ
'XULQJFRROLQJDQGGU\LQJ
operation, compressor stops
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation.
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORU
LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOH
IRUWHPSHUDWXUHVHQVRU
12
2XWGRRU
GLVFKDUJH
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
)
2))6
DQGEOLQN
5 times
ƶ
ƶ
ƿ
ƿ
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will
sop
DIWHURSHUDWLQJIRUDERXW
mins,
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQ
WKH
FRPSOHWHXQLWZLOOVWRSDIWHU
RSHUDWLQJIRUDERXWPLQV
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORU
LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOH
IRUWHPSHUDWXUHVHQVRU
7KHKHDGRIWHPSHUDWXUH
VHQVRUKDVQWEHHQLQVHUWHG
LQWRWKHFRSSHUWXEH
13
Limit/decrease
IUHTXHQF\GXH
to
RYHUORDG
)
2))6
DQGEOLQN
for 6
times
Ƶ
ƶ
ƿ
ƿ
All loads operate normally,
ZKLOH
RSHUDWLRQIUHTXHQF\IRU
compressor is decreased
5HIHUWRWKHPDOIXQFWLRQ
DQDO\VLVRYHUORDGKLJK
WHPSHUDWXUHUHVLVWDQW
14
Decrease
IUHTXHQF\GXH
to
RYHUFXUUHQW
)
2))6
DQGEOLQN
8 times
Ƶ
Ƶ
ƶ
Ƶ
All loads operate normally,
ZKLOH
RSHUDWLRQIUHTXHQF\IRU
compressor is decreased
7KHLQSXWVXSSO\YROWDJHLVWRR
ORZ
6\VWHP SUHVVXUH LV WRR KLJK
DQGRYHUORDG
15
Decrease
IUHTXHQF\ GXH
to
KLJKDLU
GLVFKDUJH
)
2))6
DQGEOLQN
9 times
Ƶ
Ƶ
ƶ
ƶ
All loads operate normally,
ZKLOH
RSHUDWLRQIUHTXHQF\IRU
compressor is decreased
2YHUORDGRUWHPSHUDWXUHLVWRR
KLJK
5HIULJHUDQWLVLQVXI¿FLHQW
0 D O I X Q F W L R Q R I H O H F W U L F
H[SDQVLRQYDOYH(.9
16
0DOIXQFWLRQ
of complete
XQLWVFXUUHQW
detection
U5
2))6
DQGEOLQN
13 times
ƶ
Ƶ
ƿ
Ƶ
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQWKHFRPSUHVVRU
will
VWRSZKLOHLQGRRUIDQZLOO
RSHUDWH
'XULQJKHDWLQJRSHUDWLQJ
WKHFRPSOHWHXQLWZLOOVWRS
operation.
7KHUHV FLUFXLW PDOIXQFWLRQ RQ
RXWGRRU XQLWV FRQWURO SDQHO
$ 3 S O H D V H U H S O D F H W K H
RXWGRRU XQLWV FRQWURO SDQHO
AP1.
