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2.4 Ambient temperature
The inverter can be operated in an ambient temperature from -22 °F to 140 °F (-30°C to
+60°C). The following diagram illustrates how the output power of the solar inverter is reduced
automatically in accordance with ambient temperature.
The device should be installed in a well-ventilated, cool and dry location.
Due to tolerrance of temperature sensor and efficiency difference under different PV voltage, this
derating curve may be a litter different from actual behaviors of unit.
120.00%
100.00%
80.00%
60.00%
40.00%
20.00%
0.00%
-30
2.5 Solar inverter PV input DC voltage range
6000
Pac/W
5000
4000
3000
2000
1000
50V
120V
0
0
10
-20
-10
0
Ambient Temperature/°C
Figure 1: Typical derating curve of M series solar inverter
150V 190V 230V
100
200
10
20
30
M5-TL-AU
M4-TL-AU
M3-TL-AU
300
400
Non-
Operating
Range
40
50
60
Voc*:Range of open
Non-
Voc*
operating
Range
range
530V
500
600
70
80
Vin/V
700
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