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3-3. OPERATIONAL FREQUENCY RANGE
b) Correct the LEV separately by temperature difference “ ∆RT” between main/sub indoor coil thermistor.
∆RT (°F/°C)
LEV opening
correction (pulse)
10.8/6
∆RT 2
7.2/4 ∆RT < 10.8/6 1
∆RT < 7.2/4 1
In addition, decrease the target discharge temperature corresponding ∆RT.
∆ RT (°F/°C)
Temperature to be
decreased (°F/°C)
10.8/6
∆RT 18/10
7.2/4
∆RT< 10.8/6 9/5
∆RT < 7.2/4 9/5
MXZ-2A20NA
Number of operating
unit
Capacity code
COOL (Hz)
DRY (Hz)
HEAT (Hz)
Min. Max. Min. Max. Defrost
1
4 206525489292
7 208530489292
9,10 20 100 75 48 100 100
12 20 100 75 48 100 100
2
8 ~ 10 30 105 52 58 112 100
11 ~ 13 30 105 52 58 112 100
14 ~ 16 30 105 52 58 112 100
17 ~ 20 105 100 58 112 100
MXZ-2A20NA-
1
Number of operating
unit
Capacity code
COOL (Hz)
DRY (Hz)
HEAT (Hz)
Min. Max. Min. Max. Defrost
1
4 206535489292
7 208534489292
9,10 20 93 75 48 92 92
12 20 93 75 48 92 92
2
8 ~ 10 30 93 52 58 110 101
11 ~ 13 30 93 52 58 110 101
14 ~ 16 30 93 52 58 110 101
17 ~ 30 93 93 58 110 101
MXZ-2A20NA-
2
Number of operating
unit
Capacity code
COOL (Hz)
DRY (Hz)
HEAT (Hz)
Min. Max. Min. Max. Defrost
1
4 206525309292
7 208534309292
9,10 20 93 75 30 92 92
12 20 93 75 30 92 92
2
8 ~ 10 40 93 53 58 112 100
11 ~ 13 40 93 53 58 112 100
14 ~ 16 40 93 53 58 112 100
17 ~ 40 93 93 58 112 100