Mitsubishi Electric MSZ-HJ VA Series Скачать руководство пользователя

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PERFORMANCE DATA COOL operation a

t Rated frequency

MUZ-HJ50VA

CAPACITY: 5.0 kW

SHF: 0.70

INPUT: 2050 W

INDOOR

DB (°C)

INDOOR

WB (°C)

OUTDOOR DB (°C)

SHC

SHF

INPUT

SHC

SHF

INPUT

SHC

SHF

INPUT

SHC

SHF

INPUT

5.88

3.06

0.52

1640

5.63

2.93

0.52

1722

5.40

2.81

0.52

1804

5.20

2.70

0.52

1886

6.13

2.45

0.40

1722

5.88

2.35

0.40

1825

5.70

2.28

0.40

1866

5.50

2.20

0.40

1948

5.88

3.29

0.56

1640

5.63

3.15

0.56

1722

5.40

3.02

0.56

1804

5.20

2.91

0.56

1886

6.13

2.70

0.44

1722

5.88

2.59

0.44

1825

5.70

2.51

0.44

1866

5.50

2.42

0.44

1948

6.38

2.04

0.32

1784

6.15

1.97

0.32

1896

6.00

1.92

0.32

1948

5.75

1.84

0.32

2030

5.88

3.53

0.60

1640

5.63

3.38

0.60

1722

5.40

3.24

0.60

1804

5.20

3.12

0.60

1886

6.13

2.94

0.48

1722

5.88

2.82

0.48

1825

5.70

2.74

0.48

1866

5.50

2.64

0.48

1948

6.38

2.30

0.36

1784

6.15

2.21

0.36

1896

6.00

2.16

0.36

1948

5.75

2.07

0.36

2030

5.88

3.76

0.64

1640

5.63

3.60

0.64

1722

5.40

3.46

0.64

1804

5.20

3.33

0.64

1886

6.13

3.19

0.52

1722

5.88

3.06

0.52

1825

5.70

2.96

0.52

1866

5.50

2.86

0.52

1948

6.38

2.55

0.40

1784

6.15

2.46

0.40

1896

6.00

2.40

0.40

1948

5.75

2.30

0.40

2030

6.70

1.88

0.28

1866

6.45

1.81

0.28

1968

6.30

1.76

0.28

2030

6.10

1.71

0.28

2132

5.88

4.00

0.68

1640

5.63

3.83

0.68

1722

5.40

3.67

0.68

1804

5.20

3.54

0.68

1886

6.13

3.43

0.56

1722

5.88

3.29

0.56

1825

5.70

3.19

0.56

1866

5.50

3.08

0.56

1948

6.38

2.81

0.44

1784

6.15

2.71

0.44

1896

6.00

2.64

0.44

1948

5.75

2.53

0.44

2030

6.70

2.14

0.32

1866

6.45

2.06

0.32

1968

6.30

2.02

0.32

2030

6.10

1.95

0.32

2132

5.88

4.23

0.72

1640

5.63

4.05

0.72

1722

5.40

3.89

0.72

1804

5.20

3.74

0.72

1886

6.13

3.68

0.60

1722

5.88

3.53

0.60

1825

5.70

3.42

0.60

1866

5.50

3.30

0.60

1948

6.38

3.06

0.48

1784

6.15

2.95

0.48

1896

6.00

2.88

0.48

1948

5.75

2.76

0.48

2030

6.70

2.41

0.36

1866

6.45

2.32

0.36

1968

6.30

2.27

0.36

2030

6.10

2.20

0.36

2132

6.90

1.66

0.24

1968

6.70

1.61

0.24

2071

6.60

1.58

0.24

2132

6.40

1.54

0.24

2194

5.88

4.47

0.76

1640

5.63

4.28

0.76

1722

5.40

4.10

0.76

1804

5.20

3.95

0.76

1886

6.13

3.92

0.64

1722

5.88

3.76

0.64

1825

5.70

3.65

0.64

1866

5.50

3.52

0.64

1948

6.38

3.32

0.52

1784

6.15

3.20

0.52

1896

6.00

3.12

0.52

1948

5.75

2.99

0.52

2030

6.70

2.68

0.40

1866

6.45

2.58

0.40

1968

6.30

2.52

0.40

2030

6.10

2.44

0.40

2132

6.90

1.93

0.28

1968

6.70

1.88

0.28

2071

6.60

1.85

0.28

2132

6.40

1.79

0.28

2194

5.88

4.70

0.80

1640

5.63

4.50

0.80

1722

5.40

4.32

0.80

1804

5.20

4.16

0.80

1886

6.13

4.17

0.68

1722

5.88

4.00

0.68

1825

5.70

3.88

0.68

1866

5.50

3.74

0.68

1948

6.38

3.57

0.56

1784

6.15

3.44

0.56

1896

6.00

3.36

0.56

1948

5.75

3.22

0.56

2030

6.70

2.95

0.44

1866

6.45

2.84

0.44

1968

6.30

2.77

0.44

2030

6.10

2.68

0.44

2132

6.90

2.21

0.32

1968

6.70

2.14

0.32

2071

6.60

2.11

0.32

2132

6.40

2.05

0.32

2194

5.88

4.94

0.84

1640

5.63

4.73

0.84

1722

5.40

4.54

0.84

1804

5.20

4.37

0.84

1886

6.13

4.41

0.72

1722

5.88

4.23

0.72

1825

5.70

4.10

0.72

1866

5.50

3.96

0.72

1948

6.38

3.83

0.60

1784

6.15

3.69

0.60

1896

6.00

3.60

0.60

1948

5.75

3.45

0.60

2030

6.70

3.22

0.48

1866

6.45

3.10

0.48

1968

6.30

3.02

0.48

2030

6.10

2.93

0.48

2132

6.90

2.48

0.36

1968

6.70

2.41

0.36

2071

6.60

2.38

0.36

2132

6.40

2.30

0.36

2194

5.88

5.17

0.88

1640

5.63

4.95

0.88

1722

5.40

4.75

0.88

1804

5.20

4.58

0.88

1886

6.13

4.66

0.76

1722

5.88

4.47

0.76

1825

5.70

4.33

0.76

1866

5.50

4.18

0.76

1948

6.38

4.08

0.64

1784

6.15

3.94

0.64

1896

6.00

3.84

0.64

1948

5.75

3.68

0.64

2030

6.70

3.48

0.52

1866

6.45

3.35

0.52

1968

6.30

3.28

0.52

2030

6.10

3.17

0.52

2132

6.90

2.76

0.40

1968

6.70

2.68

0.40

2071

6.60

2.64

0.40

2132

6.40

2.56

0.40

2194

5.88

5.41

0.92

1640

5.63

5.18

0.92

1722

5.40

4.97

0.92

1804

5.20

4.78

0.92

1886

6.13

4.90

0.80

1722

5.88

4.70

0.80

1825

5.70

4.56

0.80

1866

5.50

4.40

0.80

1948

6.38

4.34

0.68

1784

6.15

4.18

0.68

1896

6.00

4.08

0.68

1948

5.75

3.91

0.68

2030

6.70

3.75

0.56

1866

6.45

3.61

0.56

1968

6.30

3.53

0.56

2030

6.10

3.42

0.56

2132

6.90

3.04

0.44

1968

6.70

2.95

0.44

2071

6.60

2.90

0.44

2132

6.40

2.82

0.44

2194

5.88

5.64

0.96

1640

5.63

5.40

0.96

1722

5.40

5.18

0.96

1804

5.20

4.99

0.96

1886

6.13

5.15

0.84

1722

5.88

4.94

0.84

1825

5.70

4.79

0.84

1866

5.50

4.62

0.84

1948

6.38

4.59

0.72

1784

6.15

4.43

0.72

1896

6.00

4.32

0.72

1948

5.75

4.14

0.72

2030

6.70

4.02

0.60

1866

6.45

3.87

0.60

1968

6.30

3.78

0.60

2030

6.10

3.66

0.60

2132

6.90

3.31

0.48

1968

6.70

3.22

0.48

2071

6.60

3.17

0.48

2132

6.40

3.07

0.48

2194

NOTE

Q : Total capacity (kW)

SHF : Sensible heat factor

DB : Dry-bulb temperature

SHC : Sensible heat capacity (kW)

INPUT : Total power input (W)

WB : Wet-bulb temperature

OBH648F

Содержание MSZ-HJ VA Series

Страница 1: ... INSTRUCTIONS 56 Models MUZ HJ25VA E1 E2 ER1 ER2 ET1 ET2 MUZ HJ35VA E1 E3 ER1 ER3 ET1 ET2 MUZ HJ50VA E1 E2 ER1 ER2 ET1 ET2 MUZ HJ60VA E1 E2 ER1 ET1 MUZ HJ71VA E1 E2 ER1 ET1 HFC utilized R410A No OBH648 REVISED EDITION F OUTDOOR UNIT Indoor unit service manual MSZ HJ VA Series OBH647 NOTE RoHS compliant products have G mark on the spec name plate PARTS CATALOG OBB648 MUZ HJ25VA MUZ HJ35VA OBH648 RE...

Страница 2: ...rts Use the specified refrigerant only Never use any refrigerant other than that specified Doing so may cause a burst an explosion or fire when the unit is being used serviced or disposed of Correct refrigerant is specified in the manuals and on the spec labels provided with our products We will not be held responsible for mechanical failure system malfunction unit breakdown or accidents caused by...

Страница 3: ... MUZ HJ35VA E1 MUZ HJ35VA E3 MUZ HJ50VA E1 MUZ HJ50VA E2 MUZ HJ60VA E1 MUZ HJ60VA E2 MUZ HJ71VA E1 MUZ HJ71VA E2 1 Model name has been changed MUZ HJ25VA ER1 MUZ HJ25VA ER2 MUZ HJ35VA ER1 MUZ HJ35VA ER3 MUZ HJ50VA ER1 MUZ HJ50VA ER2 1 Model name has been changed MUZ HJ25VA ET1 MUZ HJ25VA ET2 MUZ HJ35VA ET1 MUZ HJ35VA ET2 MUZ HJ50VA ET1 MUZ HJ50VA ET2 1 Model name has been changed TECHNICAL CHANGES...

Страница 4: ... outlet Piping Drain hose Air inlet Back and side MUZ HJ25VA MUZ HJ35VA Drain socket 1 Air outlet Drain outlet Piping Drain hose Air inlet Back and side MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA Piping Air outlet Drain outlet Air inlet back and side Drain hose OBH648F ...

Страница 5: ...HC Output W 500 550 Current 1 Cooling A 3 3 4 4 Heating 3 8 4 4 Refrigeration oil Model L 0 32 NEO22 Fan motor Model RA6V21 BD Current 1 A 0 23 Dimensions W H D mm 699 538 249 Weight kg 24 25 Special remarks Dehumidification Cooling L h 0 4 0 6 Air flow 1 m3 h 1 890 Sound level 1 Cooling dB A 50 Heating 50 Fan speed rpm 840 Fan speed regulator 1 Refrigerant filling capacity R410A kg 0 70 0 72 NOTE...

Страница 6: ... 35 FV50S Fan motor Model RC0J50 FA RC0J77 AF Current 1 Cooling A 0 27 0 94 0 97 Heating 0 34 0 94 Dimensions W H D mm 800 550 285 840 880 330 Weight kg 36 55 Special remarks Dehumidification Cooling L h 2 2 1 6 2 4 Air flow 1 Cooling High m3 h 1 872 3 244 Med 1 872 2 871 2 960 Low 1 086 1 566 Heating High 2 088 2 871 Med 1 776 2 871 Low 1 386 2 331 Sound level 1 Cooling dB A 50 55 Heating 51 55 F...

Страница 7: ... Ω Terminal block TB 3 P Relay X61 3 A 250 V X63 3 A 250 V X64 20 A 250 V R V coil 21S4 220 240 VAC Specifications and rated conditions of main electric parts Model Item MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA Smoothing capacitor C61 C62 C63 600 μF 620 μF 420 V Diode module DB61 15 A 600 V Fuse F61 T20AL250V F701 F801 F901 T3 15AL250V Power module IC700 15 A 600 V IC820 20 A 600 V IC932 8A600V Expansion ...

Страница 8: ...E BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE HEATING 50 50 Test conditions Cooling Dry bulb temperature 35 C Heating Dry bulb temperature 7 C Wet bulb temperature 6 C OUTDOOR UNIT MICROPHONE 1m NC 10 MUZ HJ35VA 4 NOISE CRITERIA CURVES 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCT...

Страница 9: ...EATING 55 NC 10 55 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE HEATING 55 NC 10 55 MUZ HJ60VA MUZ HJ71VA Test conditions Cooling Dry bulb temperature 35 C Heating Dry bulb temperature 7 C Wet bulb temperature 6 C OUTDOOR UNIT MICROP...

Страница 10: ... Liquid refrigerant pipe joint Refrigerant pipe flared ø6 35 Gas refrigerant pipe joint Refrigerant pipe flared ø12 7 4 3 3 5 2 10 X 21 Oval hole REQUIRED SPACE 350 mm or more 100 mm or more Drain hole ø42 100 mm or more 1 100 mm or more when front and sides of the unit are clear 2 When any 2 sides of left right and rear of the unit are clear Clear 1 200 mm or more 2 41 5 270 3 157 7 4 3 4 0 102 7...

Страница 11: ...quid refrigerant pipe joint Refrigerant pipe flared Ø 6 35 MUZ HJ60VA Ø 9 52 MUZ HJ71VA Gas refrigerant pipe joint Refrigerant pipe flared Ø 15 88 100 mm or more REQUIRED SPACE 100 mm or more 350 mm or more 1 500 mm or more when front and sides of the unit are clear 2 When any 2 sides of left right and rear of the unit are clear Clear 1 500 mm or more 2 OBH648F ...

Страница 12: ...12 MUZ HJ25VA E1 ER1 ET1 6 WIRING DIAGRAM MUZ HJ25VA E2 ER2 ET2 OBH648F ...

Страница 13: ...13 MUZ HJ35VA E1 ER1 ET1 MUZ HJ35VA E3 ER3 ET2 OBH648F ...

Страница 14: ...14 MUZ HJ50VA E1 ER1 ET1 MUZ HJ50VA E2 ER2 ET2 MUZ HJ60VA E2 MUZ HJ71VA E2 OBH648F ...

Страница 15: ...15 MUZ HJ60VA E1 ER1 ET1 MUZ HJ71VA E1 ER1 ET1 OBH648F ...

Страница 16: ...ting OFF cooling ON Strainer 100 Capillary tube ø3 0 ø1 4 260 LEV Muffler HJ35 only 7 REFRIGERANT SYSTEM DIAGRAM Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve with strainer Stop valve with service port Refrigerant flow in cooling Compressor Muffler Muffler 4 way valve Refrigerant flow in heating Refrigerant pipe ...

Страница 17: ...HJ71VA 1 800 Calculation X g 20 g m Refrigerant piping length m 7 NOTE Refrigerant piping exceeding 7 m requires additional refrigerant charge according to the calculation MUZ HJ60VA MUZ HJ71VA Unit mm Outdoor heat exchanger Flared connection Defrost thermistor RT61 Discharge temperature thermistor RT62 Flared connection Stop valve Stop valve Capillary tube ø4 0 ø2 4 100 Capillary tube ø4 0 ø2 4 2...

Страница 18: ...r outlet air wet and dry bulb temperature for your reference at service Cooling Heating MUZ HJ25VA MUZ HJ35VA MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA How to measure the indoor air wet and dry bulb temperature difference 1 Attach at least 2 sets of wet and dry bulb thermometers to the indoor air intake as shown in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The...

Страница 19: ... 4 3 MUZ HJ71VA 8 8 8 0 7 2 6 5 5 8 5 1 Total input Cooling at Rated frequency Input correction factor 22 20 18 18 20 25 30 35 40 46 45 0 8 0 9 1 0 1 1 1 2 1 3 Indoor intake air Wet bulb temperature C 26 24 Indoor intake air Dry bulb temperature C Outdoor intake air Wet bulb temperature C Outdoor intake air Wet bulb temperature C Indoor intake air Dry bulb temperature C Heating capacity at Rated f...

Страница 20: ...rrection factors The operational frequency of compressor MUZ HJ25VA MUZ HJ35VA MUZ HJ50VA Hz Hz Hz Hz Correction of Cooling capacity Capacity correction factors The operational frequency of compressor Correction of Cooling total input Input correction factors The operational frequency of compressor Correction of Heating total input Input correction factors The operational frequency of compressor C...

Страница 21: ... 25 30 35 0 3 0 4 0 5 0 6 0 7 0 8 15 20 25 30 35 0 3 0 4 0 5 0 6 0 7 0 8 15 20 25 30 35 0 3 0 4 0 5 0 6 0 7 0 8 15 20 25 30 35 0 2 0 3 0 4 0 5 0 6 0 7 kgf cm2 Gauge MPa Gauge 50 18 32 60 70 C Ambient temperature C Ambient humidity kgf cm2 Gauge MPa Gauge 50 18 32 60 70 C Ambient temperature C Ambient humidity kgf cm2 Gauge MPa Gauge 50 18 32 60 70 C Ambient temperature C Ambient humidity kgf cm2 G...

Страница 22: ...tion Indoor Outdoor Dry bulb temperature C 20 0 2 7 15 20 0 Wet bulb temperature C 14 5 1 6 12 14 5 15 20 25 30 35 2 3 4 5 15 20 25 30 35 3 4 5 6 15 20 25 30 35 5 6 7 8 9 15 20 25 30 35 7 8 9 10 11 15 20 25 30 35 5 6 7 8 9 10 32 18 50 60 70 C Outdoor unit current MUZ HJ25VA MUZ HJ35VA MUZ HJ50VA Ambient temperature C Ambient humidity Outdoor current A 32 18 50 60 70 C Ambient temperature C Ambient...

Страница 23: ... 723 27 24 3 35 1 98 0 59 664 3 23 1 90 0 59 701 3 15 1 86 0 59 723 3 05 1 80 0 59 759 27 26 3 45 1 62 0 47 701 3 35 1 57 0 47 737 3 30 1 55 0 47 759 3 20 1 50 0 47 781 28 18 2 94 2 91 0 99 584 2 81 2 78 0 99 613 2 70 2 67 0 99 642 2 60 2 57 0 99 672 28 20 3 06 2 66 0 87 613 2 94 2 56 0 87 650 2 85 2 48 0 87 664 2 75 2 39 0 87 694 28 22 3 19 2 39 0 75 635 3 08 2 31 0 75 675 3 00 2 25 0 75 694 2 88...

Страница 24: ... 818 2 38 1 69 0 71 847 27 24 2 88 1 70 0 59 803 2 70 1 59 0 59 839 2 55 1 50 0 59 876 27 26 3 03 1 42 0 47 832 2 85 1 34 0 47 869 2 68 1 26 0 47 905 28 18 2 45 2 43 0 99 715 2 25 2 23 0 99 759 2 08 2 05 0 99 788 28 20 2 58 2 24 0 87 745 2 40 2 09 0 87 781 2 23 1 94 0 87 825 28 22 2 73 2 04 0 75 774 2 55 1 91 0 75 818 2 38 1 78 0 75 847 28 24 2 88 1 81 0 63 803 2 70 1 70 0 63 839 2 55 1 61 0 63 87...

Страница 25: ...4 4 22 2 41 0 57 946 4 06 2 32 0 57 998 3 97 2 26 0 57 1030 3 84 2 19 0 57 1082 27 26 4 35 1 96 0 45 998 4 22 1 90 0 45 1050 4 16 1 87 0 45 1082 4 03 1 81 0 45 1113 28 18 3 70 3 59 0 97 832 3 54 3 44 0 97 874 3 40 3 30 0 97 915 3 28 3 18 0 97 957 28 20 3 86 3 28 0 85 874 3 70 3 15 0 85 926 3 59 3 05 0 85 946 3 47 2 95 0 85 988 28 22 4 02 2 93 0 73 905 3 87 2 83 0 73 962 3 78 2 76 0 73 988 3 62 2 6...

Страница 26: ...2 99 2 06 0 69 1206 27 24 3 62 2 06 0 57 1144 3 40 1 94 0 57 1196 3 21 1 83 0 57 1248 27 26 3 81 1 72 0 45 1186 3 59 1 62 0 45 1238 3 37 1 52 0 45 1290 28 18 3 09 2 99 0 97 1019 2 84 2 75 0 97 1082 2 61 2 54 0 97 1123 28 20 3 24 2 76 0 85 1061 3 02 2 57 0 85 1113 2 80 2 38 0 85 1175 28 22 3 43 2 51 0 73 1102 3 21 2 35 0 73 1165 2 99 2 18 0 73 1206 28 24 3 62 2 21 0 61 1144 3 40 2 08 0 61 1196 3 21...

Страница 27: ...7 24 6 70 2 68 0 40 1866 6 45 2 58 0 40 1968 6 30 2 52 0 40 2030 6 10 2 44 0 40 2132 27 26 6 90 1 93 0 28 1968 6 70 1 88 0 28 2071 6 60 1 85 0 28 2132 6 40 1 79 0 28 2194 28 18 5 88 4 70 0 80 1640 5 63 4 50 0 80 1722 5 40 4 32 0 80 1804 5 20 4 16 0 80 1886 28 20 6 13 4 17 0 68 1722 5 88 4 00 0 68 1825 5 70 3 88 0 68 1866 5 50 3 74 0 68 1948 28 22 6 38 3 57 0 56 1784 6 15 3 44 0 56 1896 6 00 3 36 0...

Страница 28: ...4 75 2 47 0 52 2378 27 24 5 75 2 30 0 40 2255 5 40 2 16 0 40 2358 5 10 2 04 0 40 2460 27 26 6 05 1 69 0 28 2337 5 70 1 60 0 28 2440 5 35 1 50 0 28 2542 28 18 4 90 3 92 0 80 2009 4 50 3 60 0 80 2132 4 15 3 32 0 80 2214 28 20 5 15 3 50 0 68 2091 4 80 3 26 0 68 2194 4 45 3 03 0 68 2317 28 22 5 45 3 05 0 56 2173 5 10 2 86 0 56 2296 4 75 2 66 0 56 2378 28 24 5 75 2 53 0 44 2255 5 40 2 38 0 44 2358 5 10...

Страница 29: ...7 24 8 17 4 25 0 52 1729 7 87 4 09 0 52 1824 7 69 4 00 0 52 1881 7 44 3 87 0 52 1976 27 26 8 42 3 37 0 40 1824 8 17 3 27 0 40 1919 8 05 3 22 0 40 1976 7 81 3 12 0 40 2033 28 18 7 17 6 59 0 92 1520 6 86 6 31 0 92 1596 6 59 6 06 0 92 1672 6 34 5 84 0 92 1748 28 20 7 47 5 98 0 80 1596 7 17 5 73 0 80 1691 6 95 5 56 0 80 1729 6 71 5 37 0 80 1805 28 22 7 78 5 29 0 68 1653 7 50 5 10 0 68 1758 7 32 4 98 0...

Страница 30: ... 79 3 71 0 64 2204 27 24 7 01 3 65 0 52 2090 6 59 3 43 0 52 2185 6 22 3 24 0 52 2280 27 26 7 38 2 95 0 40 2166 6 95 2 78 0 40 2261 6 53 2 61 0 40 2356 28 18 5 98 5 50 0 92 1862 5 49 5 05 0 92 1976 5 06 4 66 0 92 2052 28 20 6 28 5 03 0 80 1938 5 86 4 68 0 80 2033 5 43 4 34 0 80 2147 28 22 6 65 4 52 0 68 2014 6 22 4 23 0 68 2128 5 79 3 94 0 68 2204 28 24 7 01 3 93 0 56 2090 6 59 3 69 0 56 2185 6 22 ...

Страница 31: ...7 24 9 51 4 47 0 47 2120 9 16 4 30 0 47 2237 8 95 4 20 0 47 2307 8 66 4 07 0 47 2423 27 26 9 80 3 43 0 35 2237 9 51 3 33 0 35 2353 9 37 3 28 0 35 2423 9 09 3 18 0 35 2493 28 18 8 34 7 26 0 87 1864 7 99 6 95 0 87 1957 7 67 6 67 0 87 2050 7 38 6 42 0 87 2144 28 20 8 70 6 52 0 75 1957 8 34 6 26 0 75 2074 8 09 6 07 0 75 2120 7 81 5 86 0 75 2214 28 22 9 05 5 70 0 63 2027 8 73 5 50 0 63 2155 8 52 5 37 0...

Страница 32: ...6 75 3 98 0 59 2703 27 24 8 17 3 84 0 47 2563 7 67 3 60 0 47 2680 7 24 3 40 0 47 2796 27 26 8 59 3 01 0 35 2656 8 09 2 83 0 35 2773 7 60 2 66 0 35 2889 28 18 6 96 6 05 0 87 2283 6 39 5 56 0 87 2423 5 89 5 13 0 87 2516 28 20 7 31 5 48 0 75 2377 6 82 5 11 0 75 2493 6 32 4 74 0 75 2633 28 22 7 74 4 88 0 63 2470 7 24 4 56 0 63 2610 6 75 4 25 0 63 2703 28 24 8 17 4 16 0 51 2563 7 67 3 91 0 51 2680 7 24...

Страница 33: ... Q INPUT Q INPUT 15 3 40 962 4 10 1154 4 81 1302 5 51 1406 6 21 1495 6 86 1539 7 56 1569 21 3 24 1036 3 89 1228 4 59 1362 5 24 1465 5 94 1539 6 59 1584 7 26 1643 26 2 92 1110 3 62 1302 4 27 1436 4 97 1539 5 67 1613 6 32 1658 7 02 1702 MUZ HJ60VA CAPACITY 6 8 kW INPUT 1970 W INDOOR DB C OUTDOOR WB C 10 5 0 5 10 15 20 Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT 15 4 28 1281 5 17 1537 6 0...

Страница 34: ... OFF The fan motor turns OFF 15 seconds after the compressor has stopped running 9 3 RELATION BETWEEN MAIN SENSOR AND ACTUATOR Sensor Purpose Actuator Compressor LEV Outdoor fan motor R V coil Indoor fan motor Discharge temperature thermistor Protection Indoor coil temperature thermistor Cooling Coil frost prevention Heating High pressure protection Defrost thermistor Cooling High pressure protect...

Страница 35: ...e The pre heat control turns ON when the discharge temperature thermis tor is 20 C or below When pre heat control turns ON compressor is energized About 50 W Pre heat control setting JK ON To activate the pre heat control cut the JK wire of the inverter P C board OFF To deactivate the pre heat control solder the JK wire of the inverter P C board Refer to 11 6 1 NOTE When the inverter P C board is ...

Страница 36: ...n removing the electronic control P C board hold the edge of the board with care NOT to apply stress on the components 5 When connecting or disconnecting the connectors hold the connector housing DO NOT pull the lead wires MUZ HJ25VA MUZ HJ35VA MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA 11 TROUBLESHOOTING 3 Troubleshooting procedure 1 Check if the OPERATION INDICATOR lamp on the indoor unit is flashing on a...

Страница 37: ...pattern and identify the abnormal point by referring to the indoor unit failure recall mode table Refer to indoor unit service manual Make sure to check at least 2 consecutive blinking cycles 2 Releasing the failure mode recall function Release the failure mode recall function by the following procedures Turn OFF the power supply and turn it ON again Press RESET button of the remote controller The...

Страница 38: ...fy the abnormal point by referring to the outdoor unit failure recall mode table 11 2 3 Make sure to check at least 2 consecutive blinking cycles 2 Releasing the failure mode recall function Release the failure mode recall function by the following procedures Turn OFF the power supply and turn it ON again Press RESET button of the remote controller Repair the failure parts The outdoor unit is norm...

Страница 39: ...essor current is distorted Reconnect compressor connector Refer to 11 5 How to check inverter compressor 5 time flash 2 5 seconds OFF Discharge temperature Temperature of discharge temperature thermistor exceeds 116 C compressor stops Compressor can restart if discharge temperature thermistor reads 100 C or less 3 minutes later Check refrigerant circuit and refrigerant amount Refer to 11 5 Check o...

Страница 40: ...ve Closed valve 14 time flash 2 5 seconds OFF Closed valve is detected by compressor current Check stop valve 4 way valve Pipe temperature 16 time flash 2 5 seconds OFF The 4 way valve does not work properly The indoor coil thermistor detects an abnormal temperature Check 4 way valve Replace inverter P C board Outdoor refrigerant system abnormality 17 time flash 2 5 seconds OFF A closed valve and ...

Страница 41: ...n temperature thermistor on the heat sink ex ceeds 80 C HJ25 35 75 C HJ50 83 C HJ60 71 or tem perature of P C board temperature thermistor on the inverter P C board exceeds 78 C HJ25 35 80 C HJ50 60 71 Check around outdoor unit Check outdoor unit air passage Refer to 11 5 Check of outdoor fan motor 11 5 time flash 2 5 seconds OFF High pressure pro tection Indoor coil thermistor exceeds 70 C in HEA...

Страница 42: ...This is not malfunction PAM pro tection will be activated in the fol lowing cases 1 Instantaneous power voltage drop Short time power failure 2 When the power supply voltage is high 23 9 time flash 2 5 seconds OFF Inverter check mode The connector of compressor is disconnected inverter check mode starts Check if the connector of the com pressor is correctly connected Refer to 11 5 How to check inv...

Страница 43: ...5VA Outdoor fan motor MF INNER FUSE RA6V21 AB 152 C CUT OFF RA6V21 BB 126 2 CUT OFF Measure the resistance between the terminals with a tester Part temperature 10 40 C Color of lead wire Normal MUZ HJ25 35VA RA6V21 AB RA6V21 BB BD WHT BLK 305 374 Ω 222 272 Ω BLK RED 247 304 Ω 245 300 Ω MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA Outdoor fan motor MF Color of lead wire Normal MUZ HJ50VA MUZ HJ60 71VA RED BLK ...

Страница 44: ...he balance of voltage between the terminals Output voltage is 50 130 V The voltage may differ according to the tester Operation method Start cooling or heating operation by pressing EMERGENCY OPERATION switch on the indoor unit TEST RUN OPERA TION Refer to 8 3 Measurement point At 3 points BLK U WHT V BLK U RED W WHT V RED W NOTE 1 Output voltage varies according to power supply voltage 2 Measure ...

Страница 45: ...al open NOTE Be sure to zero the ohmmeter before measurement Measure the resistance between the lead wires at 3 points Connect the compressor and activate the inverter Then measure the time until the inverter stops due to overcurrent Operation method Start heating or cooling operation by pressing EMERGENCY OPERATION switch on the indoor unit TEST RUN OPERATION Refer to 8 3 Measurement Measure the ...

Страница 46: ...oard Voltage between outdoor terminal block S1 S2 Is the thermistor normal Refer to 11 6 1 Reconnect the connector of thermistor Turn ON the power supply and press EMERGENCY OPERATION switch No Replace the thermistor except RT64 When RT64 is abnormal replace the inverter P C board Does the unit operate for 10 minutes or more without showing thermistor abnormality OK Cause is poor contact Replace t...

Страница 47: ...ule Turn ON the power supply and press EMERGENCY OPERATION switch twice HEAT mode Disconnect connector CN61 between the compressor and the power module Turn ON the power supply and press EMERGENCY OPERATION switch once COOL mode Is there 230 VAC between CN721 and on the inverter P C board 3 minutes after the power supply is turned ON No Yes Replace the inverter P C board Replace the 4 way valve Un...

Страница 48: ...board Yes No Yes No I Check of outdoor fan motor MUZ HJ25VA MUZ HJ35VA MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA Is the resistance between each ter minal of outdoor fan motor normal Refer to 11 4 Disconnect CN932 from the inverter P C board and turn ON the power supply Rotate the outdoor fan motor manually and measure the voltage of CN931 Between 1 and 5 Between 2 and 5 Between 3 and 5 Does the voltage bet...

Страница 49: ...xpansion valve vibrate when touching it Turn ON the power supply Preparation of the remote controller While pressing both OPERATION SELECT button and TOO COOL button on the remote controller at the same time press RESET button First release RESET button Hold down the other 2 buttons for another 3 seconds Make sure that the indicators on the LCD screen shown in the right figure are all displayed Th...

Страница 50: ... the connection is poor make it correct Operate the outdoor unit by starting EMERGENCY OPERATION Check the LED indication on the in verter P C board Does the LED flash 10 times Replace the inverter P C board Check the corresponding parts following LED indication Refer to 11 3 Yes No Yes 10 time flash No L Check of inverter P C board MUZ HJ50VA MUZ HJ60VA MUZ HJ71VA OBH648F ...

Страница 51: ...inverter P C board in the outdoor unit repeat 3 6 second OFF and 0 8 second ON quick blinking for 3 minutes after the outdoor unit is energized Check the blinking pattern within 3 minutes after LED is turned on Af ter 3 minutes LED will blink 6 times whether the inverter P C board in the outdoor unit is normal or not No Replace the inverter P C board in the outdoor unit 2 Yes A 2 Be careful of 140...

Страница 52: ... trapped in the refrigerant circuit Close the stop valve and disconnect the power plug or turn the breaker OFF The unit occasionally stops when the stop valve is opened or closed during operation Open the stop valve and start the cooling operation again Yes No The refrigerant gas amount may be 60 or less than the normal amount Identify where the gas is leaking from and fix the leak CAUTION Do not ...

Страница 53: ...tions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor outdoor unit of the air conditioner indoor outdoor wiring e...

Страница 54: ...90 100110120 1 Inverter P C board MUZ HJ25VA MUZ HJ35VA 11 6 TEST POINT DIAGRAM AND VOLTAGE Back side of unit Fin temperature thermistor RT64 CN642 Discharge temperature thermistor RT62 CN641 Defrost thermistor RT61 CN641 230 VAC Jumper wire for changing defrost setting JS Front side of unit DB61 250 V 370 VDC Output to drive compressor LDW LDV LDU LED Fuse F801 T3 15AL250V Jumper wire for pre hea...

Страница 55: ...Z HJ71VA Fin temperature thermistor RT64 CN642 Discharge temperature thermistor RT62 CN641 Defrost thermistor RT61 CN641 DB61 250 370 VDC Front side of unit 230 VAC Smoothing capacitor C62 Output to drive compressor LDU LDV LDW Fuse F701 T3 15AL250V Smoothing capacitor C61 Smoothing capacitor C63 Fuse F901 T3 15AL250V R V coil CN721 230 VAC Jumper wire for changing defrost setting JS Signal of out...

Страница 56: ...the top panel Screws of the top panel Screws of the motor support 1 Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector has the locking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Locking lever Terminal with locking mechanism Detaching points The terminal ...

Страница 57: ...rminal block support 7 Remove the screw of the terminal block and remove the terminal block 8 Remove the heat sink support from the P C board support 9 Unhook the catch of the inverter P C board and remove the inverter P C board from the P C board support 3 Removing the R V coil 1 Remove the cabinet and the panels Refer to 1 2 Disconnect the following connectors Inverter P C board CN721 R V coil 3...

Страница 58: ...compressor and the 4 way valve 1 Remove the cabinet and the panels Refer to 1 2 Remove the inverter assembly Refer to 2 3 Remove the screws of the reactor and remove the reactor 4 Remove the screws of the separator and remove the separator 5 Remove the soundproof felt 6 Remove the terminal cover and the compressor lead wire 7 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes...

Страница 59: ...l 5 Remove the top panel 6 Remove the screws fixing the cabinet 7 Remove the cabinet 8 Remove the fixing screws of the terminal block support and the back panel 9 Remove the screws fixing the back panel 10 Remove the back panel Photo 1 Photo 2 59 Back panel Service panel Screws of the top panel Screws of the cabinet Screws of the top panel Screw of the service panel Direction to remove Screws of t...

Страница 60: ...5 3 Removing the R V coil 1 Remove the cabinet and the panels Refer to 1 2 Disconnect the following connectors Inverter P C board CN721 R V coil 3 Remove the R V coil 4 Removing the discharge temperature thermistor defrost thermistor and outdoor heat exchanger tem perature thermistor 1 Remove the cabinet and the panels Refer to 1 2 Disconnect the lead wire to the reactor and the following con nect...

Страница 61: ... reactor 4 Remove the screws of the separator and remove the separa tor 5 Remove the soundproof felt 6 Remove the terminal cover and the compressor lead wire 7 Recover gas from the refrigerant circuit NOTE Recover gas from the pipes until the pressure gauge shows 0 kg cm2 0 MPa 8 Detach the brazed part of the suction and the discharge pipe connected with the compressor 9 Detach the brazed part of ...

Страница 62: ... Remove the valve cover 7 Disconnect the power supply and indoor outdoor connect ing wire 8 Remove the screws of the cabinet 9 Remove the cabinet 10 Remove the screws of the back panel 11 Remove the back panel Photo 1 Photo 2 62 Screws of the cabinet Screws of the top panel Screws of the top panel Screw of the back panel Screws of the cabinet Screws of the cabinet Screws of the service panel Screw...

Страница 63: ...bly 7 Remove the screw of the earth wire screw of the P C board cover and screws of the terminal block support 8 Remove the heat sink support from the P C board support 9 Remove the screw of the inverter P C board and the inverter P C board from the P C board support Photo 3 Photo 4 Photo 5 3 Removing R V coil 1 Remove the cabinet and panels Refer to 1 2 Disconnect the following connector Inverter...

Страница 64: ...anel Refer to 1 2 Disconnect the following connectors Inverter P C board CN931 and CN932 Fan motor 3 Remove the propeller fan nut 4 Remove the propeller fan 5 Remove the screws fixing the fan motor 6 Remove the fan motor 6 Removing the compressor and 4 way valve 1 Remove the top panel cabinet and service panel Refer to 1 2 Remove the back panel Refer to 1 3 Remove the inverter assembly Refer to 2 ...

Страница 65: ...65 OBH648F ...

Страница 66: ...ed Oct 2014 No OBH648 REVISED EDITION D Issued Aug 2014 No OBH648 REVISED EDITION C Issued Dec 2013 No OBH648 REVISED EDITION B Issued Mar 2013 No OBH648 REVISED EDITION A Published Dec 2012 No OBH648 Made in Japan Specifications are subject to change without notice HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

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