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Introduction 1

1.0

NTRODUCTION

The Liebert Interceptor II Series Transient Voltage Surge Suppressor (TVSS) is a high-quality,

high energy surge current diversion system designed to protect sensitive equipment from damag-

ing transient voltage surges. Proper installation is required for maximum system performance.
The installer should perform the following steps to ensure a high-quality installation. The entire

installation manual should be read before starting installation. These instructions do not replace

national or local electrical codes. Check applicable electrical codes to ensure compliance. Installa-

tion of the Liebert TVSS system should be performed only by qualified personnel.

Содержание II

Страница 1: ...POWER PROTECTION Interceptor II Transient Voltage Surge Suppressor Installation Operation Maintenance Manual ...

Страница 2: ......

Страница 3: ...ormance 2 2 5 Door Closing Adjustments 2 3 0 ELECTRICAL CONNECTIONS 4 3 1 Voltage Ratings and Power Source Configurations 4 3 2 Parallel Connection see Figures 2 and 3 4 3 2 1 System Grounding and Bonding 7 4 0 OPERATION 8 5 0 TROUBLESHOOTING SERVICE MAINTENANCE 10 5 1 Troubleshooting 10 5 2 Service 10 5 3 Corrective Maintenance 10 5 4 Preventive Maintenance Inspection and Cleaning 10 6 0 LIMITED ...

Страница 4: ...disconnect 6 Figure 3 Typical parallel connections with internal rotary disconnect 6 Figure 4 Operation controls and indicators 8 TABLES Table 1 Units with or without internal service disconnect switch 3 Table 2 Suggested wire and breaker size 4 Table 3 Voltage ratings and power source configurations 5 Table 4 Monitoring features 8 ...

Страница 5: ...urges Proper installation is required for maximum system performance The installer should perform the following steps to ensure a high quality installation The entire installation manual should be read before starting installation These instructions do not replace national or local electrical codes Check applicable electrical codes to ensure compliance Installa tion of the Liebert TVSS system shou...

Страница 6: ...materials or explosive atmospheres Audible Noise The audible noise of the unit is less than 40 dBA at five feet which allows its placement in almost any room Service Clearances Service clearance is needed only at the front of the unit Thirty six inches 36 in or 914 mm minimum is recommended 2 4 1 Equipment Performance For maximum system performance the unit must be located as close to the protecte...

Страница 7: ... 16 16 9 16 75 14 0 31 45 SI032 SI040 SI050 All voltage configurations Wire Lugs 16 16 9 16 75 14 0 31 45 Disconnect optional 20 16 9 21 25 10 0 44 55 SI060 SI075 All voltage configurations Wire Lugs 20 16 9 21 25 10 0 44 55 Disconnect optional 20 20 9 21 25 14 0 44 85 SI100 All voltage configurations Wire Lugs 20 20 9 21 25 14 0 44 85 Disconnect optional 20 24 9 21 25 18 0 44 95 Single Phase L N ...

Страница 8: ... length of the wiring to the Transient Voltage Surge Suppressor TVSS unit must be minimized for best performance Wires should be as short and straight as possible To reduce the wiring impedance to surge currents the phase neutral if required and ground conductors are recommended to be twisted together and routed in the same raceway conduit Avoid any sharp bends in the conductors Wire Sizing With p...

Страница 9: ...d power source configurations Source Configurations Nominal Operating Voltage Model Voltage L N L L L G Code Single Phase L N 2W G 120 N A 120 120N 230 N A 230 230N 277 N A 277 277N Single Phase L L 2W G N A 208 208 208L N A 240 240 240L N A 480 480 480L Split Phase 3W G 120 208 240 120 120S 230 400 460 230 230S 277 480 554 277 277S Three Phase Delta 3W G N A 208 208 208D N A 240 240 240D N A 480 ...

Страница 10: ...ctions with internal rotary disconnect Phases Neutral Ground Liebert Surge Protective Protected Panel To Loads Protected Wire should be less than 5 feet and straight as possible Device Phases Neutral Ground Liebert Surge Protective Protected Panel To Loads Protected Wire should be less than 5 feet and straight as possible Device ...

Страница 11: ... not recommended Grounding Electrode Transient voltage surge suppressors do not discharge all surges to ground earth Transient voltage surge suppressors divert the surge current back to its source to complete the electrical circuit In the case of lightning whose potential is developed with respect to the earth the TVSS diverts the surge current to the grounding electrode earth connection However f...

Страница 12: ...signal to all modules If all fuse links are in intact the red reduced pro tection LED for the particular bank in test will illuminate for a two to four seconds Should this light stay lit for more than 5 seconds one module in that bank has at least one open fuse link While testing the Test LED will illuminate Also during the built in test sequence the alarm should sound for each bank Pressing the a...

Страница 13: ...volts The counter is AC coupled and rejects transient voltages longer than 100µs Swell Counter The Swell Counter monitors all line to line and line to neutral voltages It is fac tory set to record whenever the peak voltage on any normal mode exceeds the MCOV of the TVSS for more than 100µs This allows the counter to record temporary line over voltages that many result from utility switching line r...

Страница 14: ...es provide redundant transient surge protection such that any single module failure does not completely eliminate the TVSS protection When replacing surge modules other components should be inspected for damage and replaced if necessary Standard electrical troubleshooting procedures should be used to isolate problems other than failed surge current diverter modules When replacing components for co...

Страница 15: ...nd extends no cover age under this warranty to such components Descriptions Liebert warrants for the period and on the terms of the Warranty set forth herein that the Liebert product will conform to the descriptions contained in Liebert final invoices orders and Liebert product brochures Liebert does not control the installation and use of any Liebert product Accordingly it is understood that the ...

Страница 16: ...IMPLIED INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR POSE USER S SOLE AND EXCLUSIVE REMEDY IS REPAIR OR REPLACEMENT OF THE LIE BERT PRODUCT AS SET FORTH HEREIN IF USER S REMEDY IS DEEMED TO FAIL OF ITS ESSENTIAL PURPOSE BY A COURT OF COMPETENT JURISDICTION LIEBERT RESPONSIBILITY FOR PROPERTY LOSS OR DAMAGE SHALL NOT EXCEED ONE TIMES THE NET PRODUCT PURCHASE PRICE IN NO EVENT SHALL LI...

Страница 17: ...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 omissions 2001 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the L...

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