3 panel instructions – PowerWalker VFI 20000TP 3_3 BX User Manual
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8
CHGR FAN
Main Ⅰ
Main Ⅱ（Optional kit）
2.3 Panel instructions
①
AC: this light and inverter light will turn “green” when UPS is powered directly by
AC
;
②
Inverter: this light will turn “green” when UPS is loaded through the inverter;
③
Battery: this light will turn “yellow” when UPS is powered by batteries;
④
Bypass: this light will turn “green” when UPS is power loaded by AC through bypass.
Maintenance switch
Front view (without front panel)