41
Installation and Maintenance
Service Manual
No.
0DOIXQFWLRQ
Name
'LVSOD\0HWKRGRI,QGRRU8QLW
'LVSOD\0HWKRGRI2XWGRRU
Unit
$&VWDWXV 3RVVLEOH&DXVHV
'XDO
Code
Display
,QGLFDWRU'LVSOD\GXULQJ
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0.5s)
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0.5s
Operation
Indicator
Cool
Indicator
Heating
Indicator
Yellow
Indicator
Red
Indicator
Green
Indicator
26
Compressor
intermediate
IUHTXHQFHLQ
test state
P3
6KRZLQJGXULQJPLGGOHFRROLQJRU
PLGGOHKHDWLQJWHVW
27
2YHUFXUUHQW
protection of
SKDVH
FXUUHQWIRU
compressor
P5
2))6
DQGEOLQN
15 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will stop
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
5HIHUWRWKHPDOIXQFWLRQ
analysis (IPM protection, loss
RIV\QFKURQLVPSURWHFWLRQDQG
RYHUFXUUHQWSURWHFWLRQRISKDVH
FXUUHQWIRUFRPSUHVVRU
28
&KDUJLQJ
PDOIXQFWLRQ
of capacitor
PU
2))6
DQGEOLQN
17 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will stop
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
5HIHUWRWKHSDUWWKUHH²FKDUJLQJ
PDOIXQFWLRQDQDO\VLVRIFDSDFLWRU
29
0DOIXQFWLRQ
RIPRGXOH
WHPSHUDWXUH
VHQVRUFLUFXLW
P7
2))6
DQGEOLQN
18 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will stop
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
5HSODFHRXWGRRUFRQWUROSDQHO$3
30
0RGXOHKLJK
WHPSHUDWXUH
protection
P8
2))6
DQGEOLQN
19 times
'XULQJFRROLQJRSHUDWLRQ
FRPSUHVVRUZLOOVWRSZKLOH
indoor fan will operate;
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
$IWHUWKHFRPSOHWHXQLWLVGH
HQHUJL]HGIRUPLQVFKHFN
ZKHWKHUWKHWKHUPDOJUHDVHRQ,30
0RGXOHRIRXWGRRUFRQWUROSDQHO
$3LVVXI¿FLHQWDQGZKHWKHUWKH
UDGLDWRULVLQVHUWHGWLJKWO\,ILWVQR
XVHSOHDVHUHSODFHFRQWUROSDQHO
AP1.
31
2YHUORDG
protection for
compressor
H3
2))6
DQGEOLQN
3 times
2))6
DQGEOLQN
8 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will stop
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
1. Wiring terminal OVC-COMP
LVORRVHQHG,QQRUPDOVWDWHWKH
UHVLVWDQFHIRUWKLVWHUPLQDOVKRXOG
EHOHVVWKDQRKP
5HIHUWRWKHPDOIXQFWLRQDQDO\VLV
GLVFKDUJHSURWHFWLRQRYHUORDG
32
IPM
protection
H5
2))6
DQGEOLQN
5 times
2))6
DQGEOLQN
4 times
'XULQJFRROLQJDQGGU\LQJ
operation, compressor will stop
ZKLOHLQGRRUIDQZLOORSHUDWH
'XULQJKHDWLQJRSHUDWLRQWKH
FRPSOHWHXQLWZLOOVWRS
operation.
5HIHUWRWKHPDOIXQFWLRQ
analysis (IPM protection, loss
RIV\QFKURQLVPSURWHFWLRQDQG
RYHUFXUUHQWSURWHFWLRQRISKDVH
FXUUHQWIRUFRPSUHVVRU
33
0RGXOH
WHPSHUDWXUH
LVWRRKLJK
H5
2))6
DQGEOLQN
5 times
2))6
DQGEOLQN
10 times