Micro SmartSwitch.book
Contents
1. Liebert Keeping Business In Business DUAL INPUT POWER DISTRIBUTION MICRO SMARTSWITCH USER MANUAL 200 VAC to 240 VAC 50 60 Hz 24 Amps S EMERSON Network Power General Description The Liebert Micro SmartSwitch MSS is a single Phase Dual Input rack mount able Power Distribution Unit PDU with a built in Automatic Transfer Switch When Input A falls below 168 VAC and Input B is valid the output is automati cally transferred to Input B The output is transferred back to Input A when Input A is valid and rises above 178 VAC This high speed transfer rate ensures that the transfer is transparent to the sensitive eguipment The two sources are not reguired to be in phase This is an effective solution that builds in redundancy and increases the AC power availability of connected eguipment If the dual input power is fed through two independent AC sources then the system availability is increased and the dual input advantages are fully used The Micro SmartSwitch provides 12 receptacles that distribute redundant AC power and may be rack mounted There are four groups of three IEC 320 10A receptacles where each group is backed up by a 10A magnetic circuit breaker The MSS has two attached line cords that are terminated with NEMA L6 30 plugs with a 20A fuse for each The total load for the MSS cannot exceed 24A of AC load at 200 240 VAC Also the load for each of the four groups cannot exceed 10A or the internal b2. al devices Max imum load must not exceed that shown on the rating label See Limited Warranty WARNING Lethal voltages may be present within this unit even when it is apparently not operating Observe all cautions and warnings in this manual Failure to do so MAY result in serious injury This equipment or Micro SmartSwitch is designed for use on a properly grounded earthed 208 240 VAC 50Hz or 60Hz supply ELECTROMAGNETIC COMPATIBILITY The Micro SmartSwitch complies with the limits for a CLASS B digital device pursuant to part 15 of FCC rules These limits provide reasonable protection against harmful interference If this device is not installed and used in accordance with the instruction manual it may cause harmful interference to radio communications Not operating this device in accordance with these instructions may cause harmful interference which the user must correct at their own expense Operate the Micro SmartSwitch in an indoor environment only in an ambient temperature range of 0 C to 50 C 32 F to 122 F Install it in a clean environ ment free from conductive contaminates moisture flammable liquids gasses or corrosive substances Turn the Micro SmartSwitch off and isolate it from other equipment before cleaning Use a soft cloth never liquid or aerosol cleaners Keep the vents free from dust accumulation that could restrict airflow Never block or insert any object into the ventilation holes or oth
3. er openings Installation Place rear rail RJ over the studs in the front rail FJ Tighten nuts finger tight The mounting tab T will be facing out so the holes align with the rack sides Adjust length of rail assembly to fit inside rack Tighten either the wing nuts or hex nuts Insert cage nut one on each side in rack Set hooks at rear of rail over holes in rack Use screw 2 one on each side to attach rails to rear of rack through cage nut Use screw 2 two on each side to attach rails to front of rack Use screws 1 two on each side to attach brackets to side of unit Slide unit into rails and secure by using screws 2 one on each side to attach the unit Ground Bonding Screw A ground bond ing screw is pro vided on the rear of the unit This feature is pro vided as an attachment point for conductors the rack may contain for the purpose of func tional grounding or bonding of ungrounded metal parts Ground cables are not included Note The Ground Bonding wire must be a minimum of 10 AWG to maintain proper grounding Connecting Devices Make sure that the devices con nected do not exceed the unit capabilities This Dual Input Micro Smart Switch features 3 output recepta cles per circuit breaker for a total of 12 receptacles This model is rated at 10A per breaker Each block of 3 receptacles has a maximum output rating of 10A If the total connected load exceeds 10A the circ
4. missions 2001 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 20350 10 01 DUAL INPUT POWER DISTRIBUTION Technical Support United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 1 800 222 5877 Outside the United States 614 888 0246 24 hours a day 7 days a week 1 800 222 5877 3 Phase UPS 1 800 543 2778 Environmental Control 1 800 543 2778 Italy Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD 39 049 9719 111 FAX 39 049 5841 257 Asia 23F Allied Kajima Bldg 138 Gloucester Road Wanchai Hong Kong 852 2 572 2201 FAX 852 2 831 0114 Web Site www liebert com EMERSON
5. our 3 line cord devices Note Each segment can accommodate a maximum current draw of 10A so the individual load connected to it must not exceed 10A or the circuit breaker will trip A AC Input A B AC Input B Load Any server storage or other equipment connected to the Micro SmartSwitch 200 240 VAC Configuration 3 This configuration shows the use of a Micro SmartSwitch with 2 line cord devices In this configuration a server is connected to each of the four segments of the Micro SmartSwitch Note Each segment can accommodate a maximum cur rent draw of 10A so the individ ual load connected to it must not exceed 10A or the circuit breaker will trip A AC Input A B AC Input B 1 2 3 4 Load segments on the Micro SmartSwitch Load Any server storage or other equipment connected to the Micro SmartSwitch 200 240 VAC Configuration 4 If your facility does not have a centralized Uninterruptible Power System then the following configuration will provide maximum redundancy in a rack environ ment The diagram below shows how to use three Micro SmartSwitchs each con nected to a UPS and a server Note Each segment can accommodate a maximum current draw of 10A so the individual load connected to it must not exceed 10A or the circuit breaker will trip C P z TT Cc 4 SA AC Input A B AC Input B gt Load Any server storage or other equipment connected to the Micro Sma
6. reaker may trip or the fuse will blow The load must be balanced among the four segments such that the total current draw per section does not exceed 10A and a total of 24A for all the four segments of the MSS This product provides line to line surge protection of 500 Joules Glossary of Symbols Ap Risk of Electrical Shock AN Indicates Caution followed by important instructions ae Bonded to Ground mus AC Voltage On O Off No user servicable parts inside About This Device This guide serves as an outline to assist Qualified personnel with the installation of the Liebert Micro SmartSwitch The input voltage for this Micro SmartSwitch unit is 200VAC to 240VAC This Micro SmartSwitch includes the following features e Mounts in 1U of rack space e Provides 12 receptacles on 4 circuit breakers e Protects against electrical line surges and spikes This Micro SmartSwitch is UL and c UL listed as Information Technology Equipment and hazardous energy levels The installation of options and routine maintenance and service of the product must be performed by individuals who are knowledgeable about the procedures precautions and hazards associated with AC power products trained service technician WARNING There is arisk of personal injury from electrical shock To reduce the risk of electrical shock and or equipment damage when installing or servicing the Micro SmartSwitch e o The Micro SmartSwitch must be disconnected from
7. rtSwitch 200 240 VAC Liebert Micro SmartSwitch Specifications Nominal Input Voltage Range ona 10 to 80 non condensing Ui o SES z Isi ra ela Z v 3 o gt g 3 o 5 vw Oo 5 a Unit Weight Ibs LED Indictors Input Frequency Input Surge Rating Output Circuit Breaker Protection Rating Maximum Output Current ps Q D a lt s4 E 3 2 lt Liebert Keeping Business In Business Micro Smart Switch The Company Behind the Products With over a million installations around the globe Liebert is the world leader in computer protection systems Since its founding in 1965 Liebert has developed a complete range of support and protection systems for sensitive electronics Environmental systems close control air conditioning from 1 to 60 tons Power conditioning and UPS with power ranges from 300 VA to more than 1000 kVA Integrated systems that provide both environmental and power protection in a single flexible package Monitoring and control from systems of any size or location on site or remote Service and support through more than 100 service centers around the world and a 24 7 Customer Response Center While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or o
8. the product and unplugged from the AC electrical outlet before servicing or repairing prod uct Do not overload the output of the Micro SmartSwitch The total connected load should not exceed rated input power e Do not exceed the leakage current limit for the Micro SmartSwitch in your system See the Earth Leakage Current section later in this document for limits Earth Leakage Current To reduce the risk of electrical shock due to high leakage current a reliable grounded earth connection is essential before connecting Micro SmartSwitch to AC power Observe the following limits when connecting the product to AC power distribution devices For products that have attached AC power cords directly connected to the build ing power the total combined leakage current should not exceed 5 percent of the rated input current for the device For products that have detachable AC power cords the total combined leakage current should not exceed 3 5mA Voltage Selection On connected equipment that have voltage select switches make sure that the switch is set for the type of voltage you use 208 240 VAC IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions that should be closely followed dur ing installation and maintenance of this product This product is designed for Commercial Industrial use only It is not intended for use with life support and other U S FDA designated critic
9. uit breaker will trip and interrupt power to all loads attached to that block of receptacles The maximum output of this Micro SmartSwitch is 24A If the total load con nected to all load segments exceed 24A the circuit breaker at the wall could trip and interrupt power to all loads About the Circuit Breakers Input power can be verified by the illumination of the two LEDs on the front of the unit marked A and B Output power can be verified by the illumination of the circuit breaker when in the On position If connected device is not powered verify the respective circuit breaker is On and illuminated If power is still not restored see Contacts section later in this document Configurations The Micro SmartSwitch can be configured to fit several power distribution reguirements Configuration 1 This application shows use of the Micro SmartSwitch in conjunction with single line cord devices Note Each segment can accommodate a maximum current draw of 10A so the individual load connected to it must not exceed 10A or the circuit breaker will trip SA AC Input A B AC Input B 1 2 3 4 Load segments on the Micro SmartSwitch Load Any server storage or other eguipment connected to 200 240 VAC the Micro SmartSwitch Configuration 2 This configuration shows the use of the Micro SmartSwitch with 3 line cord devices The figure below shows how three Micro SmartSwitchs can be used to connect with up to f
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