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2-8. OPERATIONAL FREQUENCY CONTROL OF OUTDOOR UNIT
1. Outline
The operational frequency is as following:
First, the target operational frequency is set based on the difference between the room temperature and the set tempera-
ture.
Second, the target operational frequency is regulated by discharge temperature protection, high pressure protection, electric
current protection and overload protection and also by the maximum/minimum frequency.
2. Maximum/minimum frequency in each operation mode.
Applied model
MUZ-A09
MUZ-A12
MUZ-A15 MUY-A15
MUZ-A17 MUY-A17
MUZ-A24 MUY-A24
MUZ-FD09
MUZ-FD12
MUZ-FE09
MUZ-FE12
MUZ-FE18
MUZ-D30
MUZ-D36
MUY-D30
MUY-D36
MUZ-GA24 MUY-GA24
MUZ-GE09 MUY-GE09
MUZ-GE12 MUY-GE12
MUZ-GE15 MUY-GE15
MUZ-GE18 MUY-GE18
MUZ-GE24 MUY-GE24
The operation frequency in COOL mode is restricted by the upper limit frequency after 1 hour or 0.5 ~ 1 hour as shown
below for dew prevention.
It is rated frequency or less.
Upper limit
frequency
Minimum
32
32
10
10
15
10
10
10
10
26
20
20
20
20
15
28
20
15
15
26
Maximum
frequency
1 hour
or
Rated frequency or less
0.5~1 hour
Operational frequency (Hz)
COOL
HEAT (MUZ)
Maximum
Minimum
70
32
73
32
82
15
87
15
110
15
52
10
62
10
52
10
62
10
120
26
84
20
91
20
79
—
92
—
101
15
93
30
98
30
90
15
98
15
120
26
Time
17
DRY
Maximum
Minimum
Maximum
76
32
71
32
93
10
93
10
108
15
100
10
100
10
100
10
100
10
124
26
87
20
94
20
—
20
—
20
108
15
105
28
98
30
102
15
108
15
124
26
57
57
68
68
102
41
41
41
41
120
83
83
79
79
101
48
55
54
83
120
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