ABB SAS-W1.1E, Системное руководство

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13 MAINTENANCE
13.1 Power management
13.1.1 Battery
The central unit constantly monitors battery power.
If it falls below:
- 6.9 Vc.c. the central unit will recharge it;
- 5.5 Vc.c. the central unit will report a “Dead battery” event and switch off all power.
The RTC calendar will continue to update. When network power is restored, the
central unit will restart the system;
- 1.5 Vc.c. the central unit will report a “Battery fault" event and the battery LED will
come on.
13.1.2 Electrical power network
If there is no electrical power supply (230 Vc.a.):
- The central unit display backlight will switch off immediately (the display will switch
back on if the keypad is used).
- Gateway Home Automation will be deactivated (intelligent shut-down, after checking
that all nodes are without power).
- Management of the GSM module will be based on the battery charge level.
- After 15 minutes of continuous power outage, the central unit will report a network
power outage event.
- The USB terminal will remain active.
When network power is restored, the GSM module will resume full functioning.
After 15 minutes of uninterrupted network power, the central unit will report restoration of
network power.
13.2 Placing system in maintenance mode
To place the system in maintenance mode, simply activate the Test system function. To exit
maintenance mode, simply exit the menu.
13.2.1 Replacing the central unit battery
To replace the central unit battery:
1. Place the system in maintenance mode.
2. Remove the central unit from its support frame and secure it in maintenance
position.
3. Open the battery compartment and remove the dead battery.
4. Replace it with the new battery and close the battery compartment.
5. Remove the central unit from the maintenance position and secure it in its support
frame.
6. Exit system in maintenance mode.
WARNING! Dead batteries must be replaced with identical ones, which meet
UL94HB flammability standards or above.
Warning! Installation should be performed only by a qualified electrician.