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etwork Pow

er Switch

HOT
SWAP

Network Power Switch

Liebert

NPS

Manual Reference: 6390060O-En

(03/04) Rev ENPAu 05/2004

Содержание Liebert NPS

Страница 1: ...h e et tw wo or rk k P Po owe er r S Sw wi it tc ch h HOT SWAP Network Power Switch Liebert NPS I In ns st ta al ll la at ti io on n a an nd d U Us se er r M Ma an nu ua al l Manual Reference 6390060O En 03 04 Rev ENPAu 05 2004 ...

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Страница 3: ... organisation If you already own and use a Liebert product we are doubly honoured by your decision of continuing this relationship It is our constant endeavour to partner you for the growth and success of your business This philosophy is reflected in our Mission statement To deliver value through Air Power Quality solutions to achieve customer delight Please do give us feedback to help us realize ...

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Страница 5: ...ingdom Telephone 44 1628 403 200 Fax 44 1628 403 203 Liebert HIROSS Services HQ Customer Service and Support Department Via Leonardo da Vinci 8 35028 Piove di Sacco PD Italy Help Desk Telephone 39 049 9719111 Fax 39 049 9719045 service liebert hiross com Please visit our web site http ups liebert hiross com While every precaution has been taken to ensure accuracy and comleteness in this manual Lie...

Страница 6: ... agent Failure to do so could result in personnel safety risk equipment malfunction and invalidation of warranty Personnel working with the equipment described in this manual must be thoroughly familiar with the product Obtain appropriate protection against input overcurrents on the basis of the unit s nominal power Before making connections rear the unit make sure that all incoming power sources ...

Страница 7: ... Operation 2 2 3 Chapter 3 Installation Procedure 3 1 3 1 Introduction 3 1 3 2 Equipment positioning and environmental considerations 3 1 3 3 Connecting cables to Network Power Switch 3 2 3 3 1 Cable entry 3 2 3 3 2 Cable Rating 3 2 3 3 3 Cable connections 3 2 3 3 4 Safety earth 3 2 3 3 5 Protective devices 3 3 3 3 6 Cabling Procedure 3 3 4 Chapter 4 Specifications 4 1 4 1 Conformity and Standards...

Страница 8: ...the following equipment EQUIPMENT PART NUMBER 6 kVA Pole Network Power Switch SSWITCH 25A Important Support Information If you require assistance for any reason please have the following information available Model and size Serial number Date installed Location Voltage Frequency Page iv 03 04 ...

Страница 9: ...ovides fast break before make transfers to prevent interconnection of the two sources even under faulted source conditions The maximum sense and transfer times are within the tolerance of IEEE Standard 446 susceptibility curve for information technology equipment to allow uninterrupted load equipment operation In case of overload Network Power Switch gives the alarm Under Short circuit condition a...

Страница 10: ...l should conduct This routes the input power to the output load Should the load feeding source fail due to any reason the other source takes over automatically in less than 6 ms This ensures that the critical load always receives the power changeover time is less than the tolerance limit set by IEEE 446 CBEMA curve for information technology equipments The change over is always with break which en...

Страница 11: ...fer control switch is located on right side of the cabinet with a key lock to restrict access to qualified or designated operators The plug in module likewise contains locked latches to prevent unauthorized removal of the module The Network Power Switch is designed to allow replacement of the removable electronics switching module without having to de energize the load equipment Entire power stati...

Страница 12: ...Switch S1 Healthy Source 1 is a healthy source and is well above the 10 under voltage setting S2 Healthy Source 2 is a healthy source and is well above the 10 under voltage setting S1 Priority The priority selector switch is on S1 priority position S2 Priority The priority selector switch is on S2 priority position S1 Feeding The load is fed through source 1 S2 Feeding The load is fed through sour...

Страница 13: ...ss first it is to be unlocked and the knob should be rotated upwards To feed through source 2 bypass the knob is to be rotated downward A mechanical interlocking arrangement is provided on this Bypass switch by which the Hot swappable unit can be removed only when load is connected to bypass In normal operation when the load is connected to Network Power Switch the Hot swappable unit cannot be rem...

Страница 14: ...a potential free contact and gives following indications as shown in Table 1 1 Table 1 1 19 18 37 36 35 17 Unsynch 19 34 16 15 14 33 S2 Feed 19 13 32 31 30 12 S2 Healthy 19 29 11 10 9 28 S1 Healthy 19 8 27 26 25 7 S1 Feed 19 24 6 5 4 23 Priority 19 21 3 2 1 20 Overload Common NO NC Common NO NC Termination available of 37 pin D type connector Status 19 18 37 36 35 17 Unsynch 19 34 16 15 14 33 S2 F...

Страница 15: ...wer connection details refer to figure in Chapter 5 2 3 Procedure for Switching the Network Power Switch to power the load from a Power Off condition This procedure should be followed when turning on the Network Power Switch from a fully powered down condition i e When the load is not being initially supplied at all It is assumed that the installation is complete the authorized personnel have comm...

Страница 16: ...ng the LED indication check which source is feeding 2 Unlock the Bypass switch lock by the using the key provided 3 Rotate the Manual Bypass switch in the direction of the source feeding the load as per the warning given on the mimic 4 Relock the Bypass switch remove the key and keep it in original place 2 5 Procedure for switching the Network Power Switch from Manual Bypass condition to Normal Op...

Страница 17: ...Because every site has its peculiarities it is not the aim of this chapter to provide step by step installation instructions but to act as a guide to the general procedures and practices that should be observed by the installing engineer 3 2 Equipment positioning and environmental considerations The Network Power Switch cabinets are designed to fit in standard 19 inch rack In case of non availabil...

Страница 18: ...twork Power Switch Table 3 1 Description Max Current rating Amp PVC cable sq mm Input Cables 25 4 Output Cables 25 4 Earthing 2 5 Note These recommendations are for guideline purposes only and may be superseded by local regulations and codes of practices 3 3 3 3 3 4 Cable connections Following are the set of external power cables which are connected to the Network Power Switch equipment Input sour...

Страница 19: ... given in table 3 1 Protection against earth faults RCD or RCCB devices In the event of a differential RCD device being installed upstream of the input supply one must take into account the transient and steady state earth leakage currents that are produced during start up of the Network Power Switch The presence of an RFI suppression filter inside the NPS determines a residual earth current not g...

Страница 20: ...Chapter 3 Installation Procedure User Manual N Ne et tw wo or rk k P Po ow we er r S Sw wi it tc ch h This page is left blank intentionally Page 3 4 03 04 ...

Страница 21: ...than 6 milliseconds Break Before make switching Selectable preferred source Selectable auto manual retransfer In phase transfer window adjustable from 7 5 1 Convection cooling Hot swappable electronic static switching module Live mimic on Hot swappable unit for indicating load supply status alarms Make before break manual bypass switch to transfer load from static switch to direct source 1 or sour...

Страница 22: ...10 THD Overload capability 125 of continuous current for 2 hrs 1000 for two cycles minimum Over current Protection By semi conductor fuse Short circuit withstand capability Amps Up to 20 000 symmetrical amps protected by internal fusing Redundant Control Power supplies Taken from available source 1 and source 2 Integral Maintenance Bypass Make before break operation Alarm contacts Eight Isolated N...

Страница 23: ... 5 Installation Drawing N Ne et tw wo or rk k P Po ow we er r S Sw wi it tc ch h 5 5 1 1 5 1 2 5 1 3 Installation Drawings Power Circuit Diagram External Power cable connections Overall general arrangement 03 04 Page 5 1 ...

Страница 24: ...DC 12V DC 3 1 29 30 SOURCE 1 INPUT SOURCE 2 INPUT GATE CATHODE CONTROL WIRES FOR S C R MODULE TA GATE CATHODE CONTROL WIRES FOR S C R MODULE TB OUTPUT CURRENT SIGNAL LED INDICATIONS PRIORITY SWITCH POTENTIAL FREE CONTACTS OF STATUS RELAYS PCB MIMIC OUTPUT 26 22 21 3 7 6 TB1 1 4 5 2 19 20 022 021 TB2 6 1 7 5 3 2 020 4 019 X6 4 198V 220V AC 50Hz 60Hz 198V 220V AC 50Hz 60Hz SOURCE 2 SOURCE 1 N2 L2 N1...

Страница 25: ...w wi it tc ch h 5 1 2 External Power cable connections O p Line Input Fuse 1 Input Fuse 2 Rear View O p Neutral I p Neutral 2 I p Neutral 1 Snap on Connector External Cables EXTERNAL POWER CABLE CONNECTIONS NETWORK POWER SWITCH I p Line 2 I p Line 1 Earthing 03 04 Page 5 3 ...

Страница 26: ...ion Drawing User Manual N Ne et tw wo or rk k P Po ow we er r S Sw wi it tc ch h 5 1 3 Overall general arrangement HOT SWAP HOT SWAP 457 mm 431 mm 88 mm 465 mm 483 mm 76 mm Network Power Switc h Liebert NPS Page 5 4 03 04 ...

Страница 27: ...o products with removed or altered serial numbers or to any losses or damages due to act of God or source external to the product misuse accident abuse neglect negligence unauthorized modification alteration or repair use beyond rated capacity or improper installation maintenance application or use including without limitation use in a manner contrary to the accompanying instructions or applicable...

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