Mitsubishi Electric MSC-GE-VB Service Manual page 32

MXZ-3B54VA MXZ-3B68VA MXZ-4B71VA
MXZ-3C54VA MXZ-3C68VA MXZ-4C71VA
Operation frequency
of compressor (Hz)
1 unit
Minimum ~ 23
24 ~ 38
39 ~ 54
55 ~ 69
70 ~ 85
86 ~ 100
101 ~ Maximum
MXZ-4B80VA MXZ-5B100VA
MXZ-4C80VA MXZ-5C100VA
Operation frequency
of compressor (Hz)
1 unit
Minimum ~ 14
15 ~ 23
24 ~ 32
33 ~ 41
42 ~ 50
51 ~ 59
60 ~ 68
69 ~ 77
78 ~ 86
87 ~ Maximum
"5 units" is MXZ-5B/5C
MXZ-6C120VA
Operation frequency
of compressor (Hz)
1 unit
Minimum ~ 19
20 ~ 29
30 ~ 39
40 ~ 48
49 ~ 58
59 ~ 68
69 ~ 78
79 ~ 88
89 ~ 98
99 ~ Maximum
Correct the LEV opening according to the difference between target discharge temperature and discharge temperature.
MXZ-2B30VA
Discharge temperature (°C)
More than Target discharge temperature + 10
Target discharge temperature + 10 to Target discharge temperature + 5
Target discharge temperature + 5 to Target discharge temperature + 2
Target discharge temperature + 2 to Target discharge temperature - 2
Target discharge temperature - 2 to Target discharge temperature - 5
Target discharge temperature - 5 to Target discharge temperature - 10
Target discharge temperature - 10 or less
COOL
2 units 3 units
35 58 62
40 60 65
49 65 70
58 68 70
65 70 72
70 70 72
70 70 85
COOL
2 units 3 units
35 55 57
42 55 57
49 58 63
58 60 65
65 65 65
68 68 73
70 70 75
75 70 80
75 70 82
75 75 82
COOL
2 units 3,4 units
40 55 55
55 61 64
64 64 68
70 68 73
75 72 78
78 76 83
80 80 88
80 83 88
80 87 88
80 87 88
Target discharge temperature (°C)
4 units
(MXZ-4B71VA) 1 unit
(MXZ-4C71VA)
62 50
65 56
70 60
70 63
72 66
72 67
85 70
Target discharge temperature (°C)
4,5 units 1 unit
60 52
60 58
60 65
62 68
65 68
65 68
70 68
72 68
72 68
72 78
Target discharge temperature (°C)
5,6 units 1 unit
59 54
62 64
64 67
67 70
69 72
72 74
74 75
77 75
80 80
84 80
LEV opening correction (pulse)
32
HEAT
2 units 3 units
50 50
50 55
56 60
60 60
60 60
60 60
60 60
HEAT
2 unit 3 units
62 50
66 55
74 60
78 67
78 72
78 76
78 76
78 76
78 76
78 76
HEAT
2 unit 3,4 units
62 54
74 63
77 67
79 71
79 76
79 80
85 85
85 88
85 88
85 88
COOL HEAT
5 10
4 4
2 1
0 0
-1 -1
-3 -2
-4 -3
4 units
(MXZ-4B71VA)
(MXZ-4C71VA)
50
55
60
60
60
60
60
4,5 units
50
50
50
50
55
60
60
60
60
60
5,6 Units
50
52
55
57
59
61
64
66
68
70