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The installation and use of this product must comply with national, federal, state, municipal and local codes. Safety Symbols used in this manual WARNING! Indicates a hazard which, if not avoided, could result in injury or death. CAUTION! Indicates a hazard which, if not avoided, could result in damage to the product or other property. NOTICE! Read and pay attention to this important information. WARNING! This UPS unit contains hazardous AC and DC voltages. Only qualified electricians should connect the UPS, AC line and external batteries, and must be familiar with batteries and battery installation. Before installing, maintaining or servicing the UPS, shut off the UPS and disconnect all sources of AC and DC power. As the UPS has no built-in disconnection devices to switch off external AC and DC input power, ensure that disconnection devices are available as separate parts in connection with the installation! The installer must provide each external disconnecting device for this UPS system with labels with the following text: “Isolate the Uninterruptible Power Supply (UPS) as instructed in this guide before working on circuit” AC and/or DC voltage will always involve a potential risk of AC voltage at UPS output generated from either batteries or utility. To avoid equipment damage or personal injury, always assume that there may be voltage at UPS output. This system is equipped with an auto-start function. If activated, the system may start without warning. Refer to the “Programming” section for information on de-activation. TEST BEFORE YOU TOUCH! To reduce the risk of fire or electric shocks, install the UPS and external batteries in a temperature and humidity controlled indoor area, free of conductive contaminants. UPS batteries are high-current sources. Shorting battery terminals, DC terminals or DC busbars can cause severe arcing, equipment damage and injury. A short circuit can cause a battery to explode. Always wear protective clothing and eye protection and use insulated tools when working on batteries. CAUTION! This unit contains components sensitive to electrostatic discharge (ESD). If you do not follow the ESD procedures, you may cause severe damage to electronic components. PLEASE RECYCLE The shipping materials are recyclable. Please save for later use or dispose of them appropriately. User Guide APC Silcon 480kW 400V UPS Contents: 1.0 Introduction 4 1.1 Display Unit 4 2.0 Stop/Start UPS and Operating the External Service Bypass Panel 5 2.1 Stop UPS (for stand-by) 5 2.2 Start UPS (from stand-by) 5 2.3 Stop UPS (for complete power down) 6 2.3.1 Switching off the UPS 6 2.4 Start UPS (from complete power down) 8 2.4.1 UPS start-up 8 2.5 Operating the External Service Bypass Switch (single systems) 10 2.5.1 Bypassing the Single System UPS 10 2.5.2 Switching the Single System UPS from External Bypass into Normal UPS Operation 11 2.6 Operating the External Service Bypass Switch (parallel systems) 13 2.6.1 Bypassing the Parallel UPS System (All UPSs) 13 2.6.2 Switching the Parallel System from External Bypass into Normal UPS Operation 15 2.7 Isolating one UPS in a Parallel Configuration for Service/Maintenance 17 2.7.1 Isolating one UPS in a Parallel/Redundant System 17 2.7.2 Switching Back the UPS to Normal Rarallel/Redundant Operation 18 3.0 Operation 19 3.1 Keyboard 19 3.2 Display of Measured Values 20 3.3 Using the Remote Display 20 3.4 Economy Mode 21 4.0 Parameter Settings 22 4.1 Programming Keys 23 4.2 Switching to Bypass Operation 23 5.0 Alarms and Events 25 5.1 Displaying the Alarm Stack 25 5.2 Displaying the Event Stack 25 5.3 Possible Alarms 26 5.4 Rectifying Alarm Messages 28 5.5 Parallel Operation Alarms 28 6.0 Maintenance & Testing 29 6.1 Fan 29 6.2 Battery Monitoring Test 29 6.3 Battery Capacity Test 29 7.0 Warranty 31 7.1 APC Silcon UPS Limited Factory Warranty 31 8.0 How to Contact APC 32 User Guide APC Silcon 480kW 400V UPS Introduction 1.0 Introduction This UPS system is designed to offer reliable and problem-free power supply for several years. The system requires only a minimum of maintenance, but we recommend you follow the maintenance guidelines described in section 6.0 Maintenance & Testing. 1.1 Display Unit The display unit (located on the front of the UPS) is the link between the user and the UPS and consists of a display, an alarm LED indicator and a keyboard. The display reads parameters, measured values and alarm messages. Alarms and the pressing of keys will activate a back light which is set to switch off automatically after 5 minutes of inactivity. By pressing and simultaneously you increase the back light contrast. The pressing of and simultaneously decreases the contrast. The LED alarm is linked to an acoustic signal indicating incorrect operation. Alarms will change the LED light from green to red. Use keyboard to program operating parameters and to display parameters / alarm messages. LCD-display with back light Alarm LED Green: OK Red: Alarm Keyboard NOTICE! Display a...