8. Grid Settings
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1. Country Grid Code - This setting is used to indicate whether it is necessary for the input frequency to be exactly 50 or 60 Hz. This is a setting that is primarily used in conjunction with generators (speed may not always be stable) to prevent the Multi from rejecting the input supply.
2. Set the sensitivity of frequency measurement. These are the limits at which the unit will accept or reject the supply. If the input voltage drops below the set value of the lower limit, the charger output will be reduced to the minimum to prevent further reduction of the voltage.
3. Voltage limits at which feedback relay opens/closes. Also, charger stops at lower limit. - If UPS Function is deselected, this automatically activates the function preventing the lower voltage limit from being exceeded with heavy start-up loads! (previously labeled ‘Allow inrush current’)
4. UPS Function determines whether the Multi should be critical of the distortion in the supply waveform.