USER’S MANUAL
6. MAINTENANCE OF BATTERY
With correct using and maintenance, the life of the battery can last for three to six years, depending
on the times of discharging and temperature. So regular check and maintenance are very necessary.
A. Charge the battery every three months if you don’t use the UPS for a long time. The charging time
should be at least 12 hours.
B. If the UPS works continuously in mains mode for more than fours months, please discharge the
battery with 50% of rated load, so as to keep the battery be active.
C. More details, please refer to the specification of the battery.
7.
ALARM AND PROTECTION.
7.1 BATTERY MODE ALARM
The UPS will beep every 30 seconds when working at battery mode.
7.2 BATTERY LOW VOLTAGE ALARM AND SHUT DOWN
The UPS will beep once every second when battery is in low level. When the battery is near empty, it
will beep rapidly and shut down automatically.
7.3 OVERHEAT PROTECTION
When the temperature of transformer winding is exceeding the limitation:
• At Mains Mode, the UPS will beep rapidly for around 20 seconds, then cut off the
output automatically.
• At Battery Mode, the UPS will beep rapidly for around 20 seconds, than shut down
automatically.
7.4 OVERLOAD PROTECTION
• At Mains Mode, the UPS will beep once every second, until the overload is removed.
• At Battery Mode, the UPS will beep once every second for 20 seconds, then shut down automatically.
7.5 SHORT CIRCUIT
• At Mains Mode, the circuit breaker will cut off the input power automatically once a short circuit
happens.
• At Battery Mode, the UPS will beep rapidly for around 20 seconds, then shut down automatically.
7.6 BATTERY REVERSE CONNECTION PROTECTION
Once the batteries are reverse connected (battery polarity wrong), the internal DC fuse will be burnt to
prevent inverter from being damaged. Please contact the dealer/manufacturer for replacing it.