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GE Industrial Systems
Digital Energy ML Series
Uninterruptible Power Supply
350-500-700-1000 VA
Manufactured by:
GE Digital Energy
General Electric Company Telephone +41 (0)91 / 850 51 51
CH 6595 Riazzino (Locarno) Fax +41 (0)91 / 850 51 44
Switzerland Website www.gedigitalenergy.com
ML Series UPS Technology for the Digital World. ver 1.1 - GB
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g GE Digital Energy ML Series GB USER MANUAL Digital Energy ML Series Uninterruptible Power Supply Uninterruptible Power Supply Uninterruptible Power Supply Uninterruptible Power Supply 350 350--500 500--700 700--1000 VA 1000 VA 350 350--500 500--700 700--1000 VA 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 INTRODUCTION
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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 hazar
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g GE Digital Energy ML Series 2.2 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 outl
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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:
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g GE Digital Energy ML Series 3.3 Use: Status and Alarm Indications o status indications the operating mode ! low priority alarms abnormal operating situations !! high priority alarms situations in which the actual output voltage of the UPS is no longer guaranteed; immediate action should be taken RESET SITUATION LINE BAT BUZZER BUZZER Mains on. Green blinking Charger on O (3.3.1) UPS output off 1x /sec Normal Mains on. Green on
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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. Controlled shutdown of your computer eq
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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 inlets- outlets 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. As a healthy battery is criti
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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. If the suggested solution does not succ
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g GE Digital Energy ML Series 7 - Specifications ML Series model : 350 500 700 1000 Ratings Voltage Amperes (VA) / Watts (W) : 350 / 210 500 / 300 700 / 420 1000 / 600 Input AC input voltage (Vac) : 220 - 240 AC input voltage window (Vac) (mains) : 140 - 300V 140 - 300V 140 - 300V 160 - 265V Maximum AC input voltage (Vac) : 350 Minimum start-up AC voltage (Vac) : 150 150 150 170 Input frequency (Hz) : 50 Input frequency range : nominal ± 10 % Typical no-load power c
