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APC Silcon 480kW 400V UPS User Guide Copyright ©2000 APC Denmark ApS Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor.
2 User Guide APC Silcon 480kW 400V UPS 990-4041 Thank You Thank you for chosing APC Silcon. Please read this User Guide thoroughly prior to installing the system as it provides important information on safe and efficient installation and use.
990-4041 User Guide APC Silcon 480kW 400V UPS 3 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.
4 User Guide APC Silcon 480kW 400V UPS 990-4041 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.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 5 2.0 Stop/Start UPS and Operating the External Service Bypass Panel Only qualified electricians should start up or shut down APC Silcon UPS systems and instructions in the Installation Guide should be followed.
6 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass 2.3 Stop UPS (for complete power down) 2.3.1 Switching off the UPS CAUTION! If the UPS system i.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 7 The UPS is now isolated. Maintenance/repair, disconnection or removal can now be carried out.
8 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass 2.4 Start UPS (from complete power down) 2.4.1 UPS start-up CAUTION! Make sure all cable connections are in place prior to first start-up.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 9 System start-up now completed. NOTICE! One of the following display messages will appear by UPS.
10 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass 2.5 Operating the External Service Bypass Switch (single systems) 2.5.1 Bypassing the Single System UPS APC Silcon UPS Mains Load Service Bypass Switch Action 1.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 11 2.5.2 Switching the Single System UPS from External Bypass into Normal UPS Operation CAUTION! Do not leave UPS out of service for more than 48 hours.
12 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass NOTICE! If battery has been disconnected, please refer to section 2.4.1 UPS start-up. Action 1. Set the input s witch (Q001) to position 1 2. W ait 5 sec.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 13 2.6 Operating the External Service Bypass Switch (parallel systems) 2.
14 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass Action Steps 1-4 apply to all the parallel systems. Note that this will switch all systems into bypass operation 1. Press on the ke yboard 2. Press or on the keyboard until 3.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 15 2.6.2 Switching the Parallel System from External Bypass into Normal UPS Operation NOTICE! If battery has been disconnected, please refer to section 2.
16 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass Action 1. Check that the output s witch (Q004) is set to position 0 2. Check that all output s witches (Q002) are set to position 1 3. Set input switches (Q001) to position 1 4.
Stop/Start UPS and Operating the External Service Bypass 990-4041 User Guide APC Silcon 480kW 400V UPS 17 2.7 Isolating one UPS in a Parallel Configuration for Service/Maintenance 2.7.1 Isolating one UPS in a Parallel/Redundant System In a redundant system one UPS may be isolated for service/maintenance without affecting other parallel UPS(s).
18 User Guide APC Silcon 480kW 400V UPS 990-4041 Stop/Start UPS and Operating the External Service Bypass 2.7.2 Switching Back the UPS to Normal Rarallel/Redundant Operation The UPS will automatically switch to normal operation and start load-sharing with the other parallelled UPS(s).
Operation 990-4041 User Guide APC Silcon 480kW 400V UPS 19 3.0 Operation The display unit will read parameters, alarms/messages and measured values. LED alarm incorporates audible alarm, indicating unusual operating situations. The keyboard is used to program and control parameters and to display alarm messages and measured values.
20 User Guide APC Silcon 480kW 400V UPS 990-4041 Operation 3.2 Display of Measured Values To read measurements, press one or two keys simultaneously as shown below. (Illustrated values are examples only). 3.3 Using the Remote Display The remote display is an inactive unit that is unable to influence the operation of the APC Silcon UPS.
Operation 990-4041 User Guide APC Silcon 480kW 400V UPS 21 3.4 Economy Mode When the UPS is running in Economy Mode, the load will be supplied directly from mains and output voltages are UPS monitored. In the event of a mains disruption, the UPS will switch to battery mode without affecting the load.
22 User Guide APC Silcon 480kW 400V UPS 990-4041 Parameter Settings 4.0 Parameter Settings Below tables show operating parameters programmable from keyboard.
Parameter Settings 990-4041 User Guide APC Silcon 480kW 400V UPS 23 4.1 Programming Keys 4.2 Switching to Bypass Operation Programming Example Scrolls up through list Scrolls down through list Stores .
24 User Guide APC Silcon 480kW 400V UPS 990-4041 Parameter Settings To return to normal operation Follow same procedure to program other parameters. Action 6.
Alarms and Events 990-4041 User Guide APC Silcon 480kW 400V UPS 25 5.0 Alarms and Events Alarms are indicated by the red lamp (above the left hand corner of the keyboard) and a 30 seconds acoustic signal. An alarm is registered in the alarm stack as long as it is present, and if more in the same order as they arise.
26 User Guide APC Silcon 480kW 400V UPS 990-4041 Alarms and Events 5.3 Possible Alarms Alarms Description Action 1. Peak current limiter active Peak current limiter activated and UPS switched to bypass operation. System overload Check for blown fuses in installation 2.
Alarms and Events 990-4041 User Guide APC Silcon 480kW 400V UPS 27 Alarms Description Action 23. Main inverter failure Temperature of main inverter, too high or inverter fuse blown Check fan, check for airflow obstructions, check for overload, check fuse 24.
28 User Guide APC Silcon 480kW 400V UPS 990-4041 Alarms and Events 5.4 Rectifying Alarm Messages Following actions may rectify alarm: • Check local mains supply.
Maintenance & Testing 990-4041 User Guide APC Silcon 480kW 400V UPS 29 6.0 Maintenance & Testing UPS maintenance should be carried out by trained service engineers only. Service and maintenance contract is recommended. 6.1 Fan It is recommended to replace fans every 3 years.
30 User Guide APC Silcon 480kW 400V UPS 990-4041 Maintenance & Testing If the UPS is to be taken out of operation for an extended period, disconnect the battery in order to prevent discharging. For details, refer to Installation Guide. Action 1. Press 2.
Warranty 990-4041 User Guide APC Silcon 480kW 400V UPS 31 7.0 Warranty 7.1 APC Silcon UPS Limited Factory Warranty APC warrants that the unit, when properly installed and commissioned by APC or APC au.
32 User Guide APC Silcon 480kW 400V UPS 990-4041 How to Contact APC 8.0 How to Contact APC APC Corporate 132 Fairgrounds Road West Kingston, RI 02892 USA Telephone: 401 789-5735 Fax: 401 789-3710 PowerFax™: 800 347-FAXX Pre-sales Technical Support 877-474-5266 (1-877-4Silcon) Post-sales Technical Support 877-287-7835 (1-877-2UPS-TEK) Web: www.
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