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6HUYLFH0DQXDO

&DSDFLW\

 Chart (COOLING)

DB (F°)

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

14

10.48

8.22

0.69

11.48

9.01

0.71

12.13

9.51

0.73

12.95

10.16

0.75

13.69

10.74

0.78

14.24

11.17

0.81

15.43

12.1

0.83

17

10.57

8.29

0.69

11.78

9.24

0.71

12.44

9.75

0.73

13.28

10.42

0.76

14.21

11.15

0.78

14.8

11.61

0.81

15.82

12.41

0.83

23

11.71

9.18

0.69

12.58

9.87

0.71

13.46

10.56

0.73

14.33

11.24

0.75

15.42

12.09

0.77

16.09

12.62

0.8

16.96

13.3

0.83

59

14.2

11.13

0.79

15.26

11.97

0.82

16.32

12.8

0.84

17.38

13.63

0.86

17.87

14.01

0.89

19.51

15.3

0.93

20.57

16.14

0.96

70

16.2

12.71

1.16

17.28

13.55

1.2

18.36

14.4

1.24

19.08

14.96

1.27

19.62

15.39

1.31

21.06

16.52

1.37

22.5

17.65

1.4

75

15.99

12.54

1.19

17.08

13.39

1.23

18.16

14.25

1.27

18.9

14.82

1.31

19.44

15.25

1.35

20.79

16.31

1.4

22.32

17.5

1.45

80

15.58

12.22

1.25

16.66

13.06

1.29

17.74

13.91

1.33

18.54

14.54

1.37

19.26

15.11

1.41

20.52

16.09

1.46

21.96

17.22

1.51

85

15.16

11.89

1.33

16.24

12.73

1.38

17.32

13.58

1.42

18.18

14.26

1.46

18.9

14.82

1.51

20.25

15.88

1.57

21.63

16.96

1.61

90

14.74

11.57

1.39

15.82

12.41

1.44

16.9

13.25

1.48

17.82

13.98

1.52

18.54

14.54

1.57

19.98

15.67

1.64

21.2

16.63

1.68

95

14.3

11.21

1.44

15.37

12.05

1.48

16.44

12.89

1.52

17.51

13.74

1.57

18

14.12

1.62

19.65

15.41

1.68

20.72

16.25

1.73

100

13.92

10.92

1.46

14.99

11.76

1.5

16.06

12.6

1.55

17.14

13.44

1.6

17.77

13.94

1.65

19.28

15.12

1.71

20.35

15.96

1.77

105

13.55

10.62

1.48

14.62

11.47

1.53

15.69

12.31

1.58

16.76

13.15

1.63

17.53

13.75

1.67

18.9

14.82

1.74

19.97

15.66

1.79

110

13.18

10.33

1.5

14.24

11.17

1.54

15.32

12.01

1.59

16.39

12.85

1.64

17.16

13.46

1.7

18.53

14.53

1.76

19.6

15.37

1.81

115

12.8

10.04

1.51

13.87

10.88

1.56

14.94

11.72

1.61

16.01

12.56

1.66

16.79

13.16

1.71

18.16

14.24

1.78

19.22

15.08

1.83

118

12.42

9.74

1.53

13.5

10.59

1.58

14.4

11.29

1.63

15.48

12.14

1.67

16.2

12.71

1.73

17.55

13.77

1.79

18.54

14.54

1.85

Outdoor Air 

Temp.

64 / 53

68 / 57

72 / 61

77 / 64

 MM18YJ   Indoor Air Temperature :DB /WB (F°)

80 / 67

86 / 72

90 / 75

DB

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

TC

SHC

PI

14

12.81

10.04

0.93

14.04

11.01

0.96

14.83

11.62

0.99

15.83

12.42

1.02

16.73

13.13

1.06

17.41

13.65

1.1

18.86

14.79

1.13

17

12.92

10.13

0.93

14.4

11.29

0.96

15.2

11.92

0.99

16.24

12.74

1.03

17.37

13.62

1.06

18.08

14.19

1.1

19.34

15.17

1.13

23

14.31

11.22

0.93

15.38

12.06

0.96

16.45

12.9

0.99

17.52

13.74

1.02

18.85

14.78

1.05

19.66

15.42

1.09

20.73

16.26

1.12

59

17.35

13.61

1.07

18.65

14.63

1.11

19.95

15.64

1.14

21.24

16.66

1.17

21.85

17.13

1.21

23.85

18.7

1.26

25.15

19.72

1.3

70

19.8

15.53

1.58

21.12

16.56

1.63

22.44

17.6

1.68

23.32

18.29

1.73

23.98

18.81

1.78

25.74

20.19

1.86

27.5

21.57

1.91

75

19.54

15.33

1.62

20.87

16.37

1.67

22.2

17.41

1.72

23.1

18.12

1.78

23.76

18.64

1.83

25.41

19.93

1.91

27.28

21.39

1.97

80

19.04

14.93

1.69

20.36

15.96

1.75

21.68

17

1.8

22.66

17.78

1.86

23.54

18.47

1.91

25.08

19.67

1.99

26.84

21.05

2.05

85

18.53

14.53

1.81

19.84

15.56

1.87

21.16

16.6

1.93

22.22

17.43

1.99

23.1

18.12

2.05

24.75

19.41

2.13

26.44

20.73

2.19

90

18.02

14.14

1.89

19.34

15.17

1.95

20.65

16.19

2.01

21.78

17.08

2.07

22.66

17.78

2.13

24.42

19.15

2.22

25.91

20.32

2.29

95

17.48

13.7

1.95

18.78

14.73

2.01

20.09

15.75

2.07

21.4

16.79

2.13

22

17.26

2.2

24.02

18.84

2.29

25.32

19.86

2.35

100

17.01

13.35

1.98

18.33

14.37

2.04

19.63

15.4

2.1

20.94

16.42

2.17

21.71

17.03

2.24

23.56

18.48

2.32

24.87

19.51

2.4

105

16.56

12.98

2.01

17.87

14.02

2.08

19.18

15.04

2.14

20.48

16.07

2.21

21.43

16.81

2.27

23.1

18.12

2.36

24.41

19.14

2.43

110

16.1

12.63

2.04

17.41

13.65

2.1

18.72

14.68

2.16

20.03

15.71

2.23

20.97

16.45

2.3

22.65

17.76

2.39

23.95

18.79

2.46

115

15.64

12.27

2.05

16.95

13.3

2.12

18.26

14.32

2.19

19.57

15.35

2.25

20.52

16.09

2.32

22.19

17.4

2.41

23.5

18.43

2.49

118

15.18

11.91

2.08

16.5

12.94

2.14

17.6

13.8

2.21

18.92

14.84

2.27

19.8

15.53

2.35

21.45

16.82

2.43

22.66

17.78

2.51

Outdoor Air 

Temp.

64 / 53

68 / 57

72 / 61

77 / 64

 MM24YJ   Indoor Air Temperature :DB /WB (F°)

80 / 67

86 / 72

90 / 75

Содержание MM18YJ

Страница 1: ...0RGHOV 0 0 050 0 0 050 5HIULJHUDQW 5 Service Manual...

Страница 2: ...8QLW 5HIULJHUDQW 6 VWHP LDJUDP OHFWULFDO 3DUW LULQJ LDJUDP 3 3ULQWHG LDJUDP XQFWLRQ DQG RQWURO 5HPRWH RQWUROOHU QWURGXFWLRQ ULHI HVFULSWLRQ RI 0RGHV DQG XQFWLRQV 3DUW QVWDOODWLRQ DQG 0DLQWHQDQFH 1RWHV...

Страница 3: ...0DOIXQFWLRQ SORGHG 9LHZ DQG 3DUWV LVW QGRRU 8QLW 2XWGRRU 8QLW 5HPRYDO 3URFHGXUH 5HPRYDO 3URFHGXUH RI QWGRRU 8QLW 5HPRYDO 3URFHGXUH RI 2XWGRRU 8QLW SSHQGL SSHQGL 5HIHUHQFH 6KHHW RI HOVLXV DQG DKUHQKHL...

Страница 4: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 6XPPDU 3DUW 7HFKQLFDO QIRUPDWLRQ QGRRU 8QLW 0 0 0 0 2XWGRRU 8QLW 050 050 7 0272 5HPRWH RQWUROOHU...

Страница 5: ...OXPH 3LQW K 5 WX K 23 WX K 6 5 63 SSOLFDWLRQ UHD G QGRRU 8QLW QGRRU 8QLW 0RGHO 0 0 0 0 QGRRU 8QLW 3URGXFW RGH 1 B 1 B DQ 7 SH URVV RZ URVV RZ DQ LDPHWHU HQJWK LQFK RROLQJ 6SHHG 6 0 6 U PLQ HDWLQJ 6SHH...

Страница 6: ...RQGHQVHU RUP OXPLQXP LQ FRSSHU 7XEH OXPLQXP LQ FRSSHU 7XEH RQGHQVHU 3LSH LDPHWHU LQFK RQGHQVHU 5RZV Q DS LQFK RQGHQVHU RLO HQJWK LQFK DQ 0RWRU 6SHHG USP DQ 0RWRU 3RZHU 2XWSXW DQ 0RWRU 5 DQ 0RWRU DSDFL...

Страница 7: ...Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F WB75 F Indoor air flow Super High Pipe length 24 6ft Conditions Indoor DB70 F WB60 F Outdoor DB47 F WB43 F Indoor air flow Super High Pipe length 24 6...

Страница 8: ...FRROLQJ FRQGLWLRQ R 0RGHO 3UHVVXUH RI JDV SLSH FRQQHFWLQJ LQGRRU DQG RXWGRRU XQLW QOHW DQG RXWOHW SLSH WHPSHUDWXUH RI KHDW H FKDQJHU DQ VSHHG RI LQGRRU XQLW DQ VSHHG RI RXWGRRU XQLW RPSUHVVRU IUHTXHQF...

Страница 9: ...79 18 54 14 54 1 85 Outdoor Air Temp 64 53 68 57 72 61 77 64 MM18YJ Indoor Air Temperature DB WB F 80 67 86 72 90 75 DB TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 14 12 81 1...

Страница 10: ...5 43 2 62 24 92 2 65 24 33 2 73 75 86 MM18YJ Heating Indoor Air Temperature DB Outdoor Air Temp 60 64 68 70 72 F DB F WB TC PI TC PI TC PI TC PI TC PI TC PI TC PI 3 4 14 36 1 73 13 96 1 77 13 82 1 8 1...

Страница 11: ...side noise when blowing Outdoor side noise when blowing MWM18Y3J MWM24Y3J MRM18Y3J MRM24Y3J 60 60 60 80 100 50 50 40 40 40 30 30 20 20 20 10 0 0 Indoor Fan Motor Rotating Speed Noice dB A low Middle H...

Страница 12: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 7 1 5 21 2 7 2 1 6 2 1 6 5 1 2 6 1 3 2 4 5 2 3 4 3 1 2 1 4 7 2 7 3 5 27 5 1 8 2 1 6 2 1 6 2XWOLQH LPHQVLRQ LDJUDP QGRRU 8QLW 8QLW LQFK 0RGHO 0 0 0 0 0 0 0 0...

Страница 13: ...7HFKQLFDO QIRUPDWLRQ 6HUYLFH 0DQXDO 2XWGRRU 8QLW 8QLW LQFK 050 050...

Страница 14: ...Valve Valve Liquid pipe side Gas pipe side Accumlator Compressor Strainer Strainer Capillary 5HIULJHUDQW SLSH GLDPHWHU LTXLG LQFK DV LQFK 0 0 050 0 0 050 Indoor unit Outdoor unit COOLING HEATING 4 Wa...

Страница 15: ...WUXFWLRQ 6 PERO 6 PERO RORU 6 PERO 6 PERO RORU 6 PERO 1DPH KLWH 1 UHHQ 3 XPSHU FDS HOORZ 1 URZQ 203 RPSUHVVRU 5 5HG 8 OXH URXQGLQJ ZLUH 1 HOORZ UHHQ ODFN 97 9LROHW 2 2UDQJH 1RWH XPSHU FDS LV XVHG WR G...

Страница 16: ...2 L1 BN RD C1 20YEGN X1 C2 PFCC1 18YE 19YE PFCC2 POWER G 7BU 8BN L2 L1 G INDOOR UNIT FAN MOTOR COMP INDC2 13OG YEGN SAT 4WH 5WH OVC COMP OFAN G 12WH 3RD 2BU 1YE INDC1 L M 4V COM INNER 1 G 17RD 15YE 16...

Страница 17: ...5 8 1 1 225 81 7 1 02725 203 1 2 1 6 7 29 203 2 1 5 8 1 0 9 20 11 5 5 8 7 3 1 8 1 1 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH YROWDJH RI WHUPLQDO 3 DQG 1 DW 3 LV KLJKHU WKDQ 9 WR SUHYHQW WKH ULVN RI HO...

Страница 18: ...K XQFWLRQ LYH LUH 1HXWUDO LUH XVH 3 PRWRU LYH LUH RI HDOWK XQFWLRQ RPPXQLFDWLRQ WHUPLQDO EHWZHHQ LQGRRU DQG RXWGRRU XQLWV XWR VZLWFK 8S GRZQ VZLQJ 3 HHGEDFN LVSOD QWHUIDFH XPSHU FDS PELHQW 7HPSHUDWXUH...

Страница 19: ...FWLYH WXEH HDOWK UHOD 3 PRWRU WHUPLQDO 3LH RUHVLVWRU XPSHU FDS 8S GRZQ VZLQJ WHUPLQDO 3 IHHGEDFN WHUPLQDO 7HUPLQDO RI DPELHQW WHPSHUDWXUH VHQVRU 7HUPLQDO RI WXEH WHPSHUDWXUH VHQVRU RQQHFW GLVSOD ERDUG...

Страница 20: ...Compressor interface 2 Compressor overload protector 3 Temperature sensor 4 Electric expansion valve 5 Fan HALL interface 6 Outdoor fan 7 4 way valve 8 Communication interface with indoor unit 9 Live...

Страница 21: ...temperature and blank is displayed circularly SLEEP icon again to clear the display is displayed by pressing the SLEEP button Press this button 19 icon AIR SWEEP again to clear the display 16 17 LOCK...

Страница 22: ...WKH DXWR WLPHU SURJUDP VLPSO SUHVV WKLV EXWWRQ DJDLQ IWHU SUHVVLQJ WKLV EXWWRQ GLVDSSHDUV DQG 21 EOLQNV LV GLVSOD HG IRU 21 WLPH VHWWLQJ LWKLQ VHFRQGV SUHVV RU EXWWRQ WR DGMXVW WKH WLPH YDOXH YHU SUH...

Страница 23: ...WRQ EOLQNV WKUHH WLPHV RPELQDWLRQ RI 02 DQG EXWWRQV OORZV RX WR WRJJOH EHWZHHQ DKUHQKHLW DQG HOVLXV KHQ WKH XQLW LV 2 SUHVV 02 DQG EXWWRQV VLPXOWDQHRXVO WR VZLWFK EHWZHHQ DQG 5HSODFHPHQW RI DWWHULHV L...

Страница 24: ...VSHHG E XH WR WKH EORFNDJH RI 3 PRWRU KRUL RQWDO ORXYHU ZLOO NHHS WKH VWRS SRVLWLRQ ZKHQ WKH XQLW LV WXUQHG RII Q RWKHU PRGHV KHQ WKH XQLW LV VWRSSHG GXH WR RWKHU PDOIXQFWLRQV XS GRZQ KRUL RQWDO ORXY...

Страница 25: ...UH DOO WKH WLPH KHQ WKH LQLWLDO WHPSHUDWXUH LV VHW DV a R DIWHU VWDUWLQJ XS WKH VOHHS IXQFWLRQ WKH WHPSHUDWXUH ZLOO LQFUHDVH E R HYHU RQH KRXU IWHU WKH WHPSHUDWXUH KDV LQFUHDVHG E R WKH XQLW ZLOO NHHS...

Страница 26: ...QLW ZLOO VWRS RSHUDWLRQ GXH WR SURWHFWLRQ DQG WKH FRUUHVSRQGLQJ PDOIXQFWLRQ RI WHPSHUDWXUH VHQVRU ZLOO EH GLVSOD HG GLUHFWO 5HIULJHUDQW 5HFRYHU XQFWLRQ DSSOLFDEOH ZKHQ FKDQJLQJ LQVWDOODWLRQ ORFDWLRQ R...

Страница 27: ...UH FRPSHQVDWLRQ 7SUHVHW R WKH KHDWLQJ RSHUDWLRQ ZLOO EH VWLOO UXQQLQJ XULQJ RSHUDWLRQV RI KHDWLQJ LI R 7LQGRRU DPELHQW 7KHDWLQJ LQGRRU DPELHQW WHPSHUDWXUH FRPSHQVDWLRQ 7SUHVHW WKH KHDWLQJ RSHUDWLRQ ZL...

Страница 28: ...DWHU RPPXQLFDWLRQ PDOIXQFWLRQ I WKH XQLW GRHV QRW UHFHLYH FRUUHFW VLJQDO IURP LQGRRU XQLW IRU PLQ FRQWLQXRXVO WKH XQLW ZLOO VWRS DV FRPPXQLFDWLRQ PDOIXQFWLRQ SUR WHFWLRQ LI FRPPXQLFDWLRQ PDOIXQFWLRQ U...

Страница 29: ...WKH XQLW DGHTXDWHO JURXQGHG 7KH JURXQGLQJ ZLUH FDQ W EH XVHG IRU RWKHU SXUSRVHV 0XVW DSSO SURWHFWLYH DFFHVVRULHV VXFK DV SURWHFWLYH ERDUGV FDEOH FURVV ORRS DQG ZLUH FOLS 7KH OLYH ZLUH QHXWUDO ZLUH DQ...

Страница 30: ...HU PHDVXULQJ WDSH OHFWURSUREH OHFWURQLF OHDNDJH GHWHFWRU 3LSH SOLHUV SLSH FXWWHU 6FUHZ GULYHU 8QLYHUVDO PHWHU 9DFXXP SXPS 3LSH H SDQGHU SLSH EHQGHU PSDFW GULOO GULOO KHDG HOHFWULF GULOO 7RUTXH ZUHQFK...

Страница 31: ...inch At least 5 8 9 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S Space to the obstruction Drainage pipe Space to the wall Space to the obstruction Spa...

Страница 32: ...r unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installati...

Страница 33: ...D SURIHVVLRQDO 3OHDVH PDNH VXUH LW LV DOZD V JURXQGHG HIIHFWLYHO RWKHUZLVH LW PD FDXVH HOHFWULF VKRFN 7KH HOORZ JUHHQ ZLUH LQ DLU FRQGLWLRQHU LV JURXQGLQJ ZLUH ZKLFK FDQ W EH XVHG IRU RWKHU SXUSRVHV...

Страница 34: ...WKH FRUUHVSRQGLQJ EHOOPRXWK V VKRZ LQ LJ 3UHWLJKWHQLQJ WKH XQLRQ QXW ZLWK KDQG GMXVW WKH WRUTXH IRUFH E UHIHUULQJ WR WKH IROORZLQJ VKHHW 3ODFH WKH RSHQ HQG ZUHQFK RQ WKH SLSH MRLQW DQG SODFH WKH WRUTX...

Страница 35: ...J LQG XS 3LSH LQG XS WKH FRQQHFWLRQ SLSH SRZHU FRUG DQG GUDLQ KRVH ZLWK WKH EDQG V VKRZ LQ LJ 5HVHUYH D FHUWDLQ OHQJWK RI GUDLQ KRVH DQG SRZHU FRUG IRU LQVWDOODWLRQ ZKHQ ELQGLQJ WKHP KHQ ELQGLQJ WR D...

Страница 36: ...WR WKH KRXVH VWUXFWXUH L WKH VXSSRUW RI RXWGRRU XQLW RQ WKH VHOHFWHG ORFDWLRQ ZLWK H SDQVLRQ VFUHZV RQQHFW 2XWGRRU OHFWULF LUH 5HPRYH WKH ZLUH FOLS FRQQHFW WKH SRZHU FRQQHFWLRQ ZLUH DQG SRZHU ZLUH WR...

Страница 37: ...FW WKH FKDUJLQJ KRVH RI SLH RPHWHU WR WKH UHIULJHUDQW FKDUJLQJ YHQW RI JDV YDOYH DQG WKHQ FRQQHFW WKH RWKHU FKDUJLQJ KRVH WR WKH YDFXXP SXPS 2SHQ WKH SLH RPHWHU FRPSOHWHO DQG RSHUDWH IRU PLQ WR FKHFN...

Страница 38: ...RZ DQG ORDG LV WRR KLJK YDSRUDWRU LV GLUW RPPXQL FDWLRQ 0DOIXQFWLRQ 2 6 DQG EOLQN WLPHV XULQJ FRROLQJ RSHUDWLRQ FRPSUHVVRU VWRSV ZKLOH LQGRRU IDQ PRWRU RSHUDWHV XULQJ KHDWLQJ RSHUDWLRQ WKH FRPSOHWH XQ...

Страница 39: ...LV GDPDJHG 3OHDVH FKHFN LW E UHIHUULQJ WR WKH UHVLVWDQFH WDEOH IRU WHPSHUDWXUH VHQVRU 7KH KHDG RI WHPSHUDWXUH VHQVRU KDVQW EHHQ LQVHUWHG LQWR WKH FRSSHU WXEH LPLW GHFUHDVH IUHTXHQF GXH WR RYHUORDG 2...

Страница 40: ...LOO RSHUDWH XULQJ KHDWLQJ RSHUDWLRQ WKH FRPSOHWH XQLW ZLOO VWRS RSHUDWLRQ 5HIHU WR WKH PDOIXQFWLRQ DQDO VLV 30 SURWHFWLRQ ORVV RI V QFKURQLVP SURWHFWLRQ DQG RYHUFXUUHQW SURWHFWLRQ RI SKDVH FXUUHQW IRU...

Страница 41: ...J IRU EXV EDU 8 2 6 DQG EOLQN WLPHV XULQJ FRROLQJ DQG GU LQJ RSHUDWLRQ FRPSUHVVRU ZLOO VWRS ZKLOH LQGRRU IDQ ZLOO RSHUDWH XULQJ KHDWLQJ RSHUDWLRQ WKH FRPSOHWH XQLW ZLOO VWRS 6XSSO YROWDJH LV XQVWDEOH...

Страница 42: ...eplace the controller with one ofthe same model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poor ly co...

Страница 43: ...PG motor tightly no no Stir the blade by hand to see whether the blade rotate s smoothly Reinstall the blade and motor correctly Is malfunction eliminated no no yes yes Turn on the unit again measure...

Страница 44: ...r improperly Re insert the jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated No No Yes Replace the jumper cap No Yes Is the malfunction eliminated Is...

Страница 45: ...ressor running abnormally Is there abnormal sound or oil leakage is the temperature of the shell too high etc no no no no yes no no Replace the control panel End Normal fluctuation is within 10 of the...

Страница 46: ...OODWLRQ DQG 0DLQWHQDQFH 6HUYLFH 0DQXDO 2XWGRRU XQLW H GHWHFWLRQ SRLQW Test 1 Test 2 Test 3 Test 4 Test 5 Test 6 Test 7 Test 8 Test 9 Test 12 C A B D E F G H I J K L M Test 10 N Test 14 S T Test 11 Tes...

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Страница 48: ...ltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power...

Страница 49: ...tions resulting in that the system pressure becomes too high The connection of capacitor C2 is loose Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop the un...

Страница 50: ...eck if fan terminal OFAN is connected well 2 Test if resistance value of any two terminals is less than 1k with ohmic meter If the indoor and outdoor fan work well After the unit de energized for 20mi...

Страница 51: ...P UVW is well connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min N If the stop tim...

Страница 52: ...rks normally If the stop time of compressor is more than 3min Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Replace control board AP1 If the...

Страница 53: ...agram Replace EKV coil of electron expansion valve If the wiring terminal FA of electron expansion is well connected Remove malfunction The resistance value of first 4 l ead foot an d th e fifth lead...

Страница 54: ...apacity is short circuit and replace it Y Re energize the unit and start it Cut the terminal of reactor test the resistance between two terminals of reactor with ohmic meter Replace the reactor Re ene...

Страница 55: ...Check communication circuit of outdoor unit Problem of communication circuit Check built in wiring of indoor and outdoor unit Connection correct Malfunction of circuit is detected with control board A...

Страница 56: ...ing Outdoor unit malfunction Test voltage value with Test 13 18K 11 24K position in diagram with voltage meter Number jumping Test voltage value with Test 10 position in diagram with voltage meter Num...

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