Mitsubishi Electronics MUZ-ANA Air Conditioner User Manual


 
27
(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-
1
,
MXZ-3A30NA-
1
and MXZ-4A36NA are excluded.
2 Correct the LEV opening by discharge temperature.
MXZ-2A20NA
Operation frequency
of compressor (Hz)
Target discharge temperature (°F)
COOL HEAT
Number of operating unit
1 unit 2 units 1 unit 2 units
Minimum ~ 23 95 136.4 122 122
24 ~ 38 104 140 132.8 122
39 ~ 54 120.2 149 140 132.8
55 ~ 69 136.4 154.4 140 140
70 ~ 85 149 158 140 140
86 ~ Maximum 158 158 140 140
MXZ-3A30NA
Operation frequency
of compressor (Hz)
Target discharge temperature (°F)
COOL HEAT
Number of operating unit
1 unit 2 units 3 units 1 unit 2 unit 3 units
Minimum ~ 14 95 131 134.6 125.6 143.6 122
15 ~ 23 104 131 134.6 136.4 150.8 131
24 ~ 32 120.2 136.4 145.4 149 165.2 140
33 ~ 41 136.4 140 149 154.4 172.4 152.6
42 ~ 50 149 149 158 154.4 172.4 161.6
51 ~ 59 154.4 154.4 163.4 154.4 172.4 168.8
60 ~ 68 158 158 167 154.4 172.4 168.8
69 ~ 77 167 163.4 176 154.4 172.4 168.8
78 ~ 86 167 167 179.6 154.4 172.4 168.8
87 ~ Maximum 167 176 179.6 172.4 172.4 168.8
MXZ-2A20NA-
1
Operation frequency
of compressor (Hz)
Target discharge temperature (°F)
COOL HEAT
Number of operating unit
1 unit 2 units 1 unit 2 units
Minimum ~ 23 95 136.4 122 122
24 ~ 38 104 140 132.8 122
39 ~ 54 120.2 149 140 132.8
55 ~ 69 136.4 154.4 145.4 140
70 ~ 85 149 158 150.8 140
86 ~ Maximum 158 158 152.6 140