5 Operation Modes
This UPS is a kind of on-line dual conversion UPS, which has following operation
modes:
• Power-up mode (LCD display power capacity)
• Standby mode (Stdby)
• Bypass mode (byPASS)
• Mains power mode (LlnE)
• Battery mode (bAT)
• Battery self test (bATT)
• Fault mode (FAULT)
• Frequency conversion mode (CUCF)
• Economy control operation (ECO)
• Shutdown mode (SHUTdn)
• Test mode (TEST)
• Maintenance bypass mode (manual operation)
5.1 Power-up mode / Shutdown mode
In the condition of power off and the display screen being black out, connect
batteries and press first key ____. or connect mains power or connect bypass to
illuminate the screen, the UPS gets into power-up mode, all illuminated LED
indicators are turned into off (as shown in the figure below), meanwhile LCD display
power capacity (10 kVA/ 15 kVA/ 20 kVA/ 30 kVA).
In standby mode, the UPS detects that mains power and bypass three phase all are
less than 85 V, it will delay 1 min to automatically enter shutdown mode, all LED
indicators are turned off, meanwhile LCD display SHUTdn characters.
D
D
D
n
5.2 Standby mode
There is no output voltage in standby mode. If mains circuit input is normal, then
automatically process AC
I
DC rectification, after rectifying automatically start the
charger charging batteries.
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