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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 tem-
perature.
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
Minimum
model
frequency
MUZ-A09
MUZ-A12
MUZ-A15
MUY-A15
MUZ-A17
MUY-A17
MUZ-A24
MUY-A24
w The operation frequency in COOL mode is restricted the upper limit frequency after 1 hour as shown below for
dew prevention.
It is rated frequency or less.
Upper limit
frequency
COOL
Maximum
Minimum
frequency
frequency
32
70
32
73
82
10
10
87
110
15
Maximum
frequency
1 hour
HEAT(MUZ)
Maximum
Minimum
frequency
frequency
32
76
32
32
71
32
93
15
10
15
93
10
108
15
15
Rated frequency or less
Time
16
DRY
Maximum
frequency
57
57
68
68
102
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