35
Installation and Maintenance
Service Manual
No.
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Name
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Unit
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Code
Display
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0.5s)
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0.5s
Operation
Indicator
Cool
Indicator
Heating
Indicator
Yellow
Indicator
Red
Indicator
Green
Indicator
11
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refrigerant
Fo
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VLJQDORI*DWKHULQJUHIULJHUDQW
WKHV\VWHPZLOOEHIRUFHGWR
UXQXQGHUFRROLQJPRGHIRU
JDWKHULQJUHIULJHUDQW
Nominal cooling mode
12
Indoor
DPELHQW
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
F1
'XULQJFRROLQJDQGGU\LQJ
RSHUDWLRQLQGRRUXQLWRSHUDWHV
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GXULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation.
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LQGRRUDPELHQWWHPSVHQVRUDQG
PDLQERDUGWHUPLQDO
&RPSRQHQWVLQPDLQERDUGIHOO
GRZQOHDGVVKRUWFLUFXLW
,QGRRUDPELHQWWHPSVHQVRU
GDPDJHGFKHFNZLWKVHQVRU
UHVLVWDQFHYDOXHFKDUW
0DLQERDUGGDPDJHG
13
Indoor
HYDSRUDWRU
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
F2
AC stops operation once
UHDFKHVWKHVHWWLQJ
WHPSHUDWXUH&RROLQJGU\LQJ
internal fan motor stops
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VWRSRSHUDWLRQKHDWLQJ$&
stop operation
/RRVHQLQJRUEDGFRQWDFWRI
Indoor
HYDSRUDWRUWHPSVHQVRUDQG
PDLQERDUGWHUPLQDO
&RPSRQHQWVRQWKHPDLQERDUG
fall
GRZQOHDGVVKRUWFLUFXLW
,QGRRUHYDSRUDWRUWHPSVHQVRU
GDPDJHGFKHFNWHPSVHQVRU
YDOXH
FKDUWIRUWHVWLQJ
0DLQERDUGGDPDJHG
14
2XWGRRU
DPELHQW
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
F3
OFF 3S
and
EOLQN
6 times
'XULQJFRROLQJDQGGU\LQJ
operating, compressor stops
ZKLOHLQGRRUIDQRSHUDWHV
'XULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation
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LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOHIRU
WHPSHUDWXUHVHQVRU
15
2XWGRRU
condenser
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
F4
OFF 3S
and
EOLQN
5 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor stops
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'XULQJKHDWLQJRSHUDWLRQ
WKHFRPSOHWHXQLWZLOOVWRS
operation.
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LVGDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOHIRU
WHPSHUDWXUHVHQVRU
16
2XWGRRU
GLVFKDUJH
WHPSHUDWXUH
sensor is
RSHQVKRUW
FLUFXLWHG
F5
OFF 3S
and
EOLQN
7 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will sop
DIWHURSHUDWLQJIRUDERXW
mins,
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'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRSDIWHU
RSHUDWLQJIRUDERXWPLQV
2XWGRRUWHPSHUDWXUHVHQVRU
KDVQWEHHQFRQQHFWHGZHOORULV
GDPDJHG3OHDVHFKHFNLWE\
UHIHUULQJWRWKHUHVLVWDQFHWDEOHIRU
WHPSHUDWXUHVHQVRU
7KHKHDGRIWHPSHUDWXUHVHQVRU
KDVQWEHHQLQVHUWHGLQWRWKHFRSSHU
WXEH
17
/LPLW
decrease
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GXHWR
RYHUORDG
F6
OFF 3S
and
EOLQN
3 times
All loads operate normally,
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compressor is decreased
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resistant)
18
Decrease
IUHTXHQF\
GXHWR
RYHUFXUUHQW
F8
OFF 3S
and
EOLQN
once
All loads operate normally,
ZKLOH
RSHUDWLRQIUHTXHQF\IRU
compressor is decreased
7KHLQSXWVXSSO\YROWDJHLVWRRORZ
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RYHUORDG