g GE Industrial Systems Digital Energy ™ ML Series Uninterruptible Power Supply 350-500-700-1000 VA Manufactured by: GE Digital Energy General Electric Company CH – 6595 Riazzino (Locarno) Switzerland ML Series UPS Telephone +41 (0)91 / 850 51 51 Fax +41 (0)91 / 850 51 44 Website www.gedigitalenergy.com Technology for the Digital World. ver 1.
g GE Digital Energy™ ML Series GB USER MANUAL Digital Energy™ ML Series Uninterruptible Power Supply 350350-500500-700700-1000 VA Please read these instructions carefully before installation and start-up of the Digital Energy™ ML Series UPS. Keep this manual in a safe place for future reference. CONTENTS 1 2 3 INTRODUCTION ........................................................................................... 2 1.1 Introduction 1.2 Safety Rules 1.3 Transport / Storage INSTALLATION ............
g GE Digital Energy™ ML Series 1 - Introduction 1.1 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 • CAUTION: RISK OF ELECTRICAL SHOCK. The UPS contains batteries. The appliance outlets may be electrically live, even when the UPS is disconnected from the mains. • The UPS contains potentially hazardous voltages.
g 2.2 GE Digital Energy™ ML Series Installation Procedure ML 350-700 ML 1000 1. Switch off your computer, and unplug it from the socket-outlet. 2. Disconnect the power cord from the computer (rating 250Vac/10A) and connect this cord to the male input socket (2) at the rear of the UPS (figures on the right show simplified ML 350-700 model). 3. Using the output cord provided, connect the computer to the appliance outlets (3) of the unit. 4.
g GE Digital Energy™ ML Series 3 - Operation 3.1 Start-up 3.1.1 Start-up, mains available 1 Press keypad 'ON' for 2 seconds LED ‘LINE’ (already blinking) will illuminate continuously now. 2 The equipment connected to the UPS can now be switched on. 3.1.2 Start-up, mains not available (‘battery start’) If the mains input is absent (power cord not connected, or mains failure): 1 Press keypad 'ON' for 2 seconds until LED ‘BAT’ illuminates. The UPS operates on battery: it discharges the batteries. 3.
g 3.3 GE Digital Energy™ ML Series Use: Status and Alarm Indications o status indications the operating mode ! abnormal operating situations low priority alarms !! high priority alarms situations in which the actual output voltage of the UPS is no longer guaranteed; immediate action should be taken SITUATION O O ! !! Charger on (3.3.1) Normal operation (3.3.2) On battery (3.3.3) Battery low (3.3.4) ! Replace battery (3.3.5) !! Overload on mains (3.3.6) !! Overload on battery (3.3.
g GE Digital Energy™ ML Series 3.3.3 On battery The UPS uses the energy stored in the batteries: see chapter 7 ‘Batteries - autonomy’. The UPS will shutdown • after the batteries have been discharged (automatic restart), or • if keypad 'OFF' is pressed for >2 seconds (manual restart required) or • if a 'UPS shutdown' command is given by the computer (automatic restart). 3.3.4 Battery low (end of autonomy) The batteries are nearly discharged.
g GE Digital Energy™ ML Series 5 - Maintenance 5.1 General The UPS is virtually maintenance free: take care of proper environmental conditions and keep air inletsoutlets free of dust. Please read 2.1. 5.2 Fuses If the AC input fuse (1) is defective, be sure it is replaced by a compatible fuse from the same make and type. Fuse ratings: see chapter 7. 5.3 Batteries 5.3.1 General The service life of the battery is up to 6 years.
g GE Digital Energy™ ML Series 6 - Troubleshooting Whenever a malfunction occurs, first check external factors (e.g. connections, temperature, humidity or load) to determine whether the problem is caused by the unit itself or by its environment. Subsequently check the input fuse: it may be blown. If so: replace the fuse (see 5.2) and be sure that the UPS is not overloaded. The following chart is a simple troubleshooting checklist only.
g GE Digital Energy™ ML Series 7 - Specifications ML Series model : 350 500 700 1000 : 350 / 210 500 / 300 700 / 420 1000 / 600 : : : : : : 220 - 240 140 - 300V 140 - 300V 350 150 150 50 nominal ± 10 % 140 - 300V 160 - 265V 150 170 : : : 12 2.5 5 27 5 6.3 27 6.3 10 : : : : : : : : 230 (suitable for 220-240 Vac loads) nominal ± 5% (before battery low) 50 < ± 0.1 (battery operation) step sine wave 0.6 (0.