4-59
The function of Low Voltage Start：
Wiring diagram：
R/L1
S/L2
T/L3
3
~
S1~S8
24VG
Inverter
Single phase
UPS or Battery
Specifications of single phase UPS and Battery
440V Class 207~380Vac, or 292~537Vdc
Input terminal of low voltage
start function
1
2
1
2
3
3
Timing chart of Electromagnetic contactor
Contactor 1 and 3 will b3 enable before the backup power is powered on, contactor 2 needs to keep opened.
Contactor 3 will be opened after contactor 1. Contactor 1 and 3 should keep closed before backup power was
removed and contactor 2 was be closed.
Notes of Low Voltage Start function：
1. When low voltage start function is enabled (DI=62), cooling fan will not run, it can prevent the input voltage
be dropped.
2. When low voltage start function is enabled, the function of input phase loss protection will be disabled.
3. When low voltage start function is enabled, the output frequency of motor will be based on 07-31.
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