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Ultimate Power
Inverter Condition
Charger Mode
Inverter Mode
Important: If the battery temperature is allowed to fall to extremely cold temperatures, the inverter
with a BTS may not be able to properly recharge cold batteries due to maximum voltage limits of the
inverter. Ensure the batteries are protected from extreme temperatures.
For more detailed technical information, please contact us .
3.12 Auto Generator Start
The inverter can start up a generator when battery voltage goes low.
When the inverter goes to low battery alarm, it can send a signal to start a generator, and turn the
generator off after battery charging is finished.
The auto gen start feature will only work with generators which have automatic starting capability.
The generator must have start and stop controls [i.e., an electric starter and electric choke (for
gasoline units)], and the safety sensors to be able to start and stop automatically. There is an
open/close relay that will short circuit the positive and negative cables from a generator start control.
The input DC voltage can vary, but the max current the relay can carry is 16Amp. The Auto
Generator Start terminal pins are not polarized.
4.1 Location
Follow all the local regulations to install the inverter.
Please install the equipment in a location of Dry, Clean, Cool with good ventilation.
Working temperature: ‐20℃ to 50℃ (-4℉ 122℉)
Storage temperature: ‐40℃ to 70℃ (-40℉ 158℉)
Relative Humidity: 0%to 95%，non-condensing
Cooling: Forced air
4.2 DC Wiring
It is suggested the battery bank be kept as close as possible to the inverter. The following table is a
suggested wiring option for 1 meter (3ft.) DC cable.
Temperature on BTS
BTS ≥ 50℃(122℉)
BTS ≤ 40℃(104℉)
40℃(104℉) ≤ BTS ≤ 50℃(122℉)
BTS ≥ 50℃(122℉)
4 Installation
Charger Operation
Automatically turns off charger
Automatically turns on charger
Increases the low voltage shut down point
by 0.5Vdc
Over Temp Fault
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www.upinverters.com
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