1 - INTRODUCTION
The GE (General Electric) Digital Energy™ ML Series UPS, an uninterruptible power supply, protects your
equipment from all forms of power interference, including complete power failures.
1.2 Safety Rules
outlets may be electrically live, even when the UPS is disconnected from the mains.
The UPS contains potentially hazardous voltages. Do not open the UPS, there are no
user serviceable parts inside.
Apart from battery replacement on the ML 350/500/700 models, all maintenance
and service work should be performed by qualified service personnel.
Always isolate the UPS from the mains during battery replacement.
1.3 Transport / Storage
No liability can be accepted for any transport damage when the equipment is shipped in non-
Before storing, charge the batteries for at least 24 hours.
Store the UPS in a dry location, storage temperature must be within -20 +45 °C. If the unit is
for a period exceeding 3 months, optimal battery lifetime is obtained if the storage temperature
does not exceed 25°C. Be sure that the UPS is switched off, and that no cable is connected to the
If the unit is stored for a period exceeding 3 months, the batteries must be recharged periodically.
Connect the unit to a wall outlet for a period of approx. 48 hours, minimum every 3 months.
2 - INSTALLATION
The shipping box contains a Digital Energy™ ML Series UPS, a power cord, a computer interface cable, a
CD ROM and this manual. After unpacking, inspect the UPS for damage. If you find any damage please
immediately notify the carrier and place of purchase.
Before making any connection and switching on the Digital Energy™ ML Series UPS, please check the
your mains supply is 220 - 240 Volts and 50 Hz, and
the total power demand of the connected equipment does not exceed the rated output power of
the UPS (indicated on the rear panel).
2.1 Installation Rules
The UPS is intended to be used in normal domestic and office situations.
Protect the UPS, according to the wiring rules, with a 16A D-type fuse.
The UPS must be powered from a single phase grounded wall outlet. Do not use extension
Avoid locations that are excessively humid, near water, near heat sources or in direct
The ambient temperature should not exceed 40
ambient temperature does not exceed 30°C.
It is important that ventilation air can move freely around and through the unit. Do not block
the air vents.
Do not plug appliances such as electric heaters, toasters and vacuum cleaners into the UPS.
The UPS output can be used only for electronic loads such as computers and
Be careful when connecting laser printers: be sure that the demanded power does not
exceed the capacity of the UPS.
RISK OF ELECTRICAL SHOCK. The UPS contains batteries. The appliance
°C. Optimal battery lifetime is obtained if the
User manual ML Series 350-1000 VA UPS 1.0 (GB)