Mitsumi electronic MUY-GENA User Manual
32
COOL
Fan speed changes so that the condensing temperature stays within the target range.
Fan speed
Revolution per minutes (rpm)
MXZ-2B20NA-
1
MXZ-3B
MXZ-4B
MXZ-4B
1
100
100
2
150
150
3
200
200
4
250
250
5
300
300
6
350
350
7
400
400
8
450
450
9
500
500
10
550
550
11
600
600
12
650
650
13
700
700
14
750
750
HEAT
Fan speed is switched according to the compressor frequency.
Fan speed is switched according to the compressor frequency.
Fan speed
Compressor speed (Hz)
MXZ-2B20NA-
1
MXZ-3B
MXZ-4B
MXZ-4B
Up
30
50
Down
23
40
Frequency (Hz) Target condensing temperature (°F/°C)
~24
87.8/31-95.0/35
25~34
91.4/33-98.6/37
35~44
95.0/35-102.2/39
45~54
98.6/37-105.8/41
55~64
98.6/37-105.8/41
65~
98.6/37-105.8/41
MXZ-2B20NA-
1
MXZ-3B MXZ-4B
3-6. OUTDOOR FAN CONTROL
Fan speed is switched according to the number of operating indoor unit and the compressor frequency.
Up
Down
Fan speed
High
Low
Compressor frequency
Min.
Max.
NOTE: When the indoor coil thermistor is 134.6 ˚F (57°C) or more on HEAT operation, fan speed is fixed to Low speed.
Or, the indoor coil thermistor is 113 ˚F (45°C) or less on HEAT operation, fan speed is back to normal.
<Relation between compressor frequency and fan speed>
Compressor frequency (Hz)
Down
Up
MXZ-2B20NA
30
40
Up
Down
Fan speed
High
Low
Compressor frequency
Min.
Max.
MXZ-2B20NA