11
2-7 Inverter Operation
To operate the power inverter, turn it on using the ON/OFF switch on the front panel.
The power inverter is now ready to deliver AC power to your loads.
If you are operating several loads from the power inverter, turn them on separately after the
inverter has been turned on.
This will ensure that the power inverter does not have to deliver the starting currents for all the
loads at once.
2-7-1 Controls and indicators
The ON / OFF switch turns the control circuit in the power inverter on and off.
The inverter operates from an input voltage range:
10.0 to 16.0 VDC for 12V models
20.0 to 32.0 VDC for 24V models
42.0 to 62.0 VDC for 48V models
The inverter will indicate high and low DC voltage conditions as follows:
Model
DC Input over
voltage shut-down
DC Input over
voltage alarm
DC Input under
voltage alarm
DC Input under
voltage shut-down
YK-PST1270
YK-PST1270E
16.0VDC 15.5VDC 10.5VDC 10.0VDC
YK-PST2470
YK-PST2470E
32.0VDC 31.0VDC 21.0VDC 20.0VDC
YK-PST4870
YK-PST4870E
62.0VDC 61.0VDC 43.0VDC 42.0VDC
2-7-2 Over Voltage Protection indicator: (OVP)
The over voltage indicator indicates that the power inverter has shut itself down because
its input voltage exceeded 12V / 24V / 48VDC version. (Ref. point 2-7-1)
2-7-3 Under Voltage Protection indicator: (UVP)
The under voltage indicator indicates that the power inverter has shut itself down
because its input voltage fell below 12V / 24V / 48VDC. (Ref. point 2-7-1)
2-7-4 Over Temp Protection indicator: (OTP)
The over temp indicator indicates that the power inverter has shut itself down because
its temperature has become overheated. The power inverter may overheat because it
has been operated at power levels above its rating, or because it has been installed in a
location which does not allow it to dissipate heat properly. The power inverter will
automatically back up, once it has cooled off.
2-7-5 Over Load Protection indicator: (OLP)
The overload indicator indicates that the power inverter has shut itself down. When
output voltage over its continuous voltage, then must return to operate manually.
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orderer W
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