07: Frequency Range for ECO Mode 
Interface  Setting 
 
 
 
Parameter 1 & 2: Setting acceptable frequency range 
for ECO mode. Set up the range by setting high and 
low points. When it shows “LLS” in parameter 2, please 
press “Enter” key and it will show “LS” in  parameter 
1. Now the low point in parameter 2 can be set up by 
pressing “Up” or “Down” key.
 
LS: Set low frequency point for ECO mode. 
50 Hz system: Setting range is from 46 Hz to 48 Hz. 60 
Hz system: Setting range is from 56 Hz to 58 Hz. The 
default value is 48 Hz/58 Hz. 
Pressing “Enter” key to confirm the setting value for low 
point. Then, it will show HS in parameter 1. Set up high 
point in parameter 2 by pressing “Up” or “Down” key. 
HS: Set high frequency point for ECO mode. 50 Hz: 
Setting range is from 52 Hz to 54 Hz. 
60 Hz: Setting range is from 62 Hz to 64 Hz. The default 
value is 52 Hz/62 Hz. 
 
08: Bypass Mode Setting 
Interface  Setting 
After it shows “08” in parameter 1, please press “Enter” 
key first. Then, you have the following options to choose 
in ENA/DIS. 
ENA: Bypass enabled. When selected, Bypass mode is 
activated. 
DIS: Bypass disabled. When selected, automatic 
bypass is acceptable, but manual bypass is not  
allowed. Manual bypass means users manually operate 
UPS for Bypass mode. For example, pressing OFF 
button in AC mode to turn into Bypass mode.