Option
Switch #2
Option
Switch #3
Undervoltage
Transfer
Down (OFF) | Down (OFF) | 196 Vac |
Up (ON) | Down (OFF) | 184 Vac |
Down (OFF) | Up (ON) | 172 Vac |
Up (ON) | Up (ON) | 160 Vac |
5.4.3 Option Switch #4
Option switch #4 sets the internal operating frequency of the inverter. It should be set to match the local line frequency. When in the down (off) position, the UPS will operate properly with a 50 Hz line. If your local line frequency is 60 Hz, set the option switch #4 in the up (On) position.
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