Liebert II - Manuals

2 Unpacking and Installation 2.0 U NPACKING AND I NSTALLATION 2.1 Unpacking and Preliminary Inspection 1. Inspect the shipping crate(s) for damage or signs of mishandling before unpacking the unit.2. Remove any securing bands and cardboard packing and inspect the unit for any obvious shipping damage...

Unpacking and Installation 3 Figure 1 Typical cabinet data, Form C contact and wiring Table 1 Units with or without internal service disconnect switch **Model Series Application Connection Dimensions (Inches) Weight (lbs.) A B C D E F SI016SI025 All voltage configurations* Wire Lugs 16 12 9 16.75 10...

4 Electrical Connections 3.0 E LECTRICAL C ONNECTIONS All electrical connections should be installed only by a qualified (licensed) electrician. All wiring must comply with the National Electrical Code (NEC) and applicable local codes. 3.1 Voltage Ratings and Power Source Configurations Before makin...

Electrical Connections 5 Disconnect Switch —TVSS units must be connected to the load side of the main service discon- nect, or load side of a protected circuit’s disconnecting means.Interceptor II “SI” Models with an “R” designator in the part number, are equipped with an inter- nal disconnect switc...

6 Electrical Connections Figure 2 Typical parallel connections (without internal rotary disconnect) Figure 3 Typical parallel connections (with internal rotary disconnect) Phas es Neut ra l Gr ou nd Liebert Surge Protective Protected Panel To Loads Protected Wire should be less than 5 feet and strai...

Electrical Connections 7 3.2.1 System Grounding and Bonding The performance and safety of any TVSS system is dependent on proper grounding and bonding. Grounding is required primarily for safety. Correct implementation also enhances equipment per- formance. Incorrect grounding can reduce or impede t...

8 Operation 4.0 O PERATION Figure 4 Operation controls and indicators Status LED Indicators —Green and red LEDs for each protected phase provide a visual status summary of all surge modules within device. Full Protection LEDs —Green LEDs are illuminated only when all surge components are at 100% per...

Operation 9 Form C Dry Contacts —Dual summary alarm Form C (1 N.O. and 1 N.C.) relay contacts are provided for remote indication of each failed surge current modules. The summary alarm contacts terminals are located on the PC board inside the unit. Contacts are rated for 5 amps at 240 VAC with a pow...

10 Troubleshooting, Service & Maintenance 5.0 T ROUBLESHOOTING , S ERVICE & M AINTENANCE 5.1 Troubleshooting If status failure indication occurs or Form C relay has changed states, a qualified electrician should first determine if the systems voltage and proper phasing exists.If the Intercep...

Limited Warranty 11 6.0 L IMITED W ARRANTY This Warranty is given ONLY to purchasers who buy for commercial or industrial use in the ordi- nary course of each purchaser's business. General: Liebert’s products are in our opinion the finest available. We take pride in our products and are pleased that...

12 Limited Warranty Items Not Covered By Warranty: THIS WARRANTY DOES NOT COVER DAMAGE OR DEFECT CAUSED BY misuse, improper application, wrong or inadequate electrical current or connection, inadequate water or drain ser- vices, negligence, inappropriate on site operating conditions, corrosive atmos...

Revised: April 2001 Interceptor Transient Voltage Surge Suppressor The Company Behind the Products With more than 1,000,000 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 pr...