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(1) LEV opening correction by discharge temperature
The target discharge temperature is determined according to frequency zone and number of operation unit of the com-
pressor.
<Correction>
COOL DRY HEAT
Discharge temperature
●
2
●
2
●
Each correction
• (Each gas pipe temperature thermistor - Minimum gas pipe temperature thermistor) 1
• (Main indoor coil thermistor - Sub indoor coil thermistor)
●
●
—
1 Perform this, when number of operation units is 2 units or more.
(MXZ-2A20NA
and
MXZ-3A30NA only)
2 Correct the LEV opening by discharge temperature.
MXZ-2A20NA
Operation frequency
of compressor (Hz)
Target discharge temperature (°F/°C)
COOL HEAT
Number of operating unit
1 unit 2 units 1 unit 2 units
Minimum ~ 23 95/35 136.4/58 122/50 122/50
24 ~ 38 104/40 140/60 132.8/56 122/50
39 ~ 54 120.2/49 149/65 140/60 132.8/56
55 ~ 69 136.4/58 154.4/68 140/60 140/60
70 ~ 85 149/65 158/70 140/60 140/60
86 ~ Maximum 158/70 158/70 140/60 140/60
MXZ-3A30NA
Operation frequency
of compressor (Hz)
Target discharge temperature (°F/°C)
COOL HEAT
Number of operating unit
1 unit 2 units 3 units 1 unit 2 unit 3 units
Minimum ~ 14 95/35 131/55 134.6/57 125.6/52 143.6/62 122/50
15 ~ 23 104/40 131/55 134.6/57 136.4/58 150.8/66 131/55
24 ~ 32 120.2/49 136.4/58 145.4/63 149/65 165.2/74 140/60
33 ~ 41 136.4/58 140/60 149/65 154.4/68 172.4/78 152.6/67
42 ~ 50 149/65 149/65 158/70 154.4/68 172.4/78 161.6/72
51 ~ 59 154.4/68 154.4/68 163.4/73 154.4/68 172.4/78 168.8/76
60 ~ 68 158/70 158/70 167/75 154.4/68 172.4/78 168.8/76
69 ~ 77 167/75 163.4/73 176/80 154.4/68 172.4/78 168.8/76
78 ~ 86 167/75 167/75 179.6/82 154.4/68 172.4/78 168.8/76
87 ~ Maximum 167/75 176/80 179.6/82 172.4/78 172.4/78 168.8/76
MXZ-2A20NA-
1
,
2
MXZ-2B20NA MXZ-2B20NA-
1
Operation frequency
of compressor (Hz)
Target discharge temperature (°F/°C)
COOL HEAT
Number of operating unit
1 unit 2 units 1 unit 2 units
Minimum ~ 23 95/35 136.4/58 122/50 122/50
24 ~ 38 104/40 140/60 132.8/56 122/50
39 ~ 54 120.2/49 149/65 140/60 132.8/56
55 ~ 69 136.4/58 154.4/68 145.4/63 140/60
70 ~ 85 149/65 158/70 150.8/66 140/60
86 ~ Maximum 158/70 158/70 152.6/67 140/60