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12
equipment powered up.
There is a 15-second delay from the time the inverter senses that continuously qualified AC is present at the
input terminals to when the transfer is made. This delay is built in to provide time for a generator to spin-up
to a stable voltage and avoid relay chattering. The inverter will not transfer to generator until it has locked
onto the generator’s output. This delay is also designed to avoid frequent switching when input utility is
unstable.
2.5.4 Auto frequency adjust
The inverter is with Auto Frequency adjust function.
The factory default configuration for 220/230/240VAC inverter is 50Hz, and 60Hz for 110/110/120VAC
inverter.
While the output freq can be easily changed once a qualified freq is applied to the inverter.
If you want to get 60Hz from a 50Hz inverter, just input 60Hz power, and the inverter will automatically
adjust the output freq to 60Hz and vice versa.
2.5.5 Solar Charger
Listed below is the spec for solar charger
Table 1 Electrical Specification @ 25℃
Rated Voltage 12 Vdc 24Vdc
Rated charge current (includes
load current)
60Amp
Load current 15Amp
Input voltage range 15-30Vdc 30-55Vdc
Max. PV open circuit array
voltage
30Vdc 55Vdc
Overload protection (DC load)
2.0 * I(Rated)>5s
1.5 * I(Rated) >20s
1.25 * I(Rated) temperature controlled
Typical idle consumption At idle < 10mA
Bulk charge 14.6Vdc (default) 29.2Vdc (default)
Floating charge 13.4Vdc (default) 26.8Vdc (default)
Equalization charge 14.0Vdc (default) 28.0Vdc (default)
Over charge disconnect 14.8Vdc 29.6Vdc
Over charge recovery 13.6Vdc 27.2Vdc
Over discharge disconnect 10.8Vdc (default) 21.6Vdc (default)
Over discharge reconnect 12.3Vdc 24.6Vdc
Temperature compensation -13.2mV/℃ -26.4mV/℃
Lead acid battery settings Adjustable
NiCad battery settings Adjustable
Low voltage reconnect 12.0-14.0Vdc 24.0-28.0Vdc
Low voltage disconnect 10.5-12.5Vdc 21.0-25.0Vdc
Ambient temperature 0-40℃ (full load) 40－60℃ (de-rating)
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