Eaton Electrical Im01005012E Users Manual
IM01005012E 915951eb-71cf-4e7c-9555-3c673c682a42
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2015-02-06
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Instruction Manual: IM01005012E Innovative Technology® TVSS Products XT-40 & IT-RSS Rev. 1 – February 2007 Installation Contents Page 1 Introduction ............................................................................. 1 1.1 Scope......................................................................... 1 1.2 XT-40 Catalog Numbering System............................ 1 1.3 IT-RSS System Wiring and Maximum Voltages........ 1 1.4 Safety Precautions..................................................... 2 2 Installation............................................................................... 3 2.1 Before Installation ...................................................... 3 2.2 XT-40 Wiring Diagrams ............................................. 4 2.3 IT-RSS Wiring Diagram ............................................. 5 2.4 Installing Circuit Interrupt Devices ............................. 5 2.5 Conduit Installation .................................................... 6 2.6 Mounting the SPD...................................................... 6 2.7 Wiring SPD to Electrical System ............................... 7 2.8 Power Up and System Checkout............................... 8 XT-40 / IT-RSS Effective Date 2/2007 For more information visit: www.itvss.com IM01005012E XT-40 & IT-RSS Installation Register Your Warranty On-Line at http://www.itvss.com/ Notice: Product improvements and enhancements are continuous; therefore the specifications and information contained in this document may change without notice. Eaton Corporation shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. No part of this document may be reproduced for publication, or translated to another language without the prior written consent of Eaton Corporation. Innovative Technology® is a registered trademark of Eaton Corporation. All other trademarks, trade names, service marks and logos referenced herein belong to their respective owners. Page A Rev. 1 – 2/2007 XT-40 & IT-RSS Installation IM01005012E 1 INTRODUCTION 1.1 Scope This installation manual contains the information necessary to install Eaton Corporation’s XT-40 and IT-RSS Surge Protective Devices (SPDs). System wiring and voltage information for these devices are provided in Sections 1.2 and 1.3. If you require further information regarding a particular installation, contact Power Quality Technical Support at 1-800-809-2772. 1.2 XT-40 Catalog Numbering System XT-40 - 3Y101 Configuration & Voltage Ranges (Vac) Model / Surge Current XT / 40 kA 1P101 = Single-Phase — 100, 110, 120, 127 1P201 = Single-Phase — 200, 208, 220, 230, 240, 277 1P400 = Single-Phase — 380, 400, 415, 440, 480 1S101 = Split-Phase — 100/200, 110/220, 120/240 3Y101 = Three-Phase Wye (Star) — 100/174, 110/190, 120/208, 127/220 3Y201 = Three-Phase Wye (Star) — 220/380, 230/400, 240/415, 277/480 3Y300 = Three-Phase Wye (Star) — 305/525, 347/600 3D101 = Three-Phase High Leg Delta — 120/240 NN201 = Three-Phase Delta — 200, 208, 220, 230, 240 NN400 = Three-Phase Delta — 380, 400, 415, 440, 480 NN501 = Three-Phase Delta — 525, 600 In this example, Catalog Number XT-40-3Y101 identifies an XT model with the following features and ratings: • Surge Current Rating of 40 kA • Three-Phase WYE Configuration • Voltage Range of 100 to 220 Vac 1.3 IT-RSS System Wiring and Maximum Voltages Model Number System Wiring Phase to Phase Line to Ground IT-RSS Split Phase 288 Vac 144 Vac Rev. 1 – 2/2007 Page 1 IM01005012E 1.4 XT-40 & IT-RSS Installation Safety Precautions A licensed/qualified electrician must complete all instructions and measurements described in this instruction in accordance with the U.S. National Electrical Code, state and local codes, or other applicable country codes. The U.S. National Electrical Code and state and local requirements (or other applicable country codes) supersede this instruction. Read and understand all instructions before beginning installation. WARNING! The use of the word WARNING in this manual denotes a potential hazard associated with the use of this equipment. It calls attention to a procedure, practice, or condition, or the like, which if not correctly performed or adhered to, could result in personal injury or death. CAUTION The use of the word CAUTION in this manual denotes a potential hazard associated with the use of this equipment. It calls attention to a procedure, practice, condition, or the like, which if not correctly performed or adhered to, could result in damage to the equipment. WARNING! SHOCK HAZARDS: IMPROPER INSTALLATION CAN CAUSE DEATH, INJURY AND/OR EQUIPMENT DAMAGE. Follow all warnings and cautions. Completely read and understand the information in this document before attempting to install or operate this equipment. IMPROPER WIRING COULD CAUSE DEATH, INJURY, AND/OR EQUIPMENT DAMAGE. Only licensed/qualified electricians who are trained in the installation and service of electrical devices are to service this equipment. USE APPROPRIATE SAFETY PRECAUTIONS AND EQUIPMENT FOR ARC FLASH PROTECTION. Page 2 Rev. 1 – 2/2007 XT-40 & IT-RSS Installation IM01005012E 2 INSTALLATION 2.1 Before Installation Perform or plan the following before installing the SPD: 1. Locate your electrical system’s applicable wiring diagram in Sections 2.2 & 2.3 2. Verify that your electrical system’s voltage and wiring configuration matches that of the SPD as shown on its label. 3. De-energize the SPD, and follow safe work practices to avoid an electrical shock hazard. 4. Ensure that a Neutral to Ground/Earth bond is present at the SPD. Note that the SPD may be damaged if not connected to ground. 5. Measure the voltage between Neutral and Ground. If this voltage is greater than 5 Vac, then a problem may exist in the electrical system. The SPD can still be installed under this condition, but a licensed/qualified electrician should be consulted to correct the problem. 6. The SPD can be mounted in any position. If necessary, the cover may be rotated 180 degrees to improve readability of the label. When removing the cover, be careful not to damage the indicator light circuit board or wiring attached to the cover. 7. Isolated Ground: The SPD’s ground wire is internally bonded to its housing. If the electrical system utilizes an isolated ground, then the SPD’s housing must also be isolated from ground using insulated conduit fittings, and its ground wire must be connected to the system’s isolated ground bus. 8. Plan to use weatherproof (corrosion resistant) conduit and fittings to maintain the enclosure’s NEMA 4 (IP66) or 4X rating. 9. Plan to install the SPD as close as possible to the electrical panel. Long lead lengths and sharp bends between the SPD and the panel will degrade the performance of the SPD. 10. Plan to install 30 A circuit interrupt devices as described in Section 2.4. Rev. 1 – 2/2007 Page 3 IM01005012E 2.2 XT-40 & IT-RSS Installation XT-40 Wiring Diagrams Single Phase (1P101, 1P201) Split Phase (1S101) PHASE A PHASE A Use Interrupt Device if connected to Phase B NOT Neutral NEUTRAL NETURAL or PHASE B CIRCUIT INTERRUPT DEVICE GROUND CIRCUIT INTERRUPT DEVICE PHASE B GROUND Solid bond between Ground/Earth and Neutral at service entrance or serving isolation transformer XT-40 3-Phase Wye (Star) (3Y101, 3Y201, 3Y300) XT-40 3-Phase Delta (No Neut.) (NN201, NN400, NN501) PHASE A PHASE A PHASE B PHASE B PHASE C PHASE C NEUTRAL CIRCUIT INTERRUPT DEVICE GROUND Solid bond between Ground/Earth and Neutral at service entrance or serving isolation transformer CIRCUIT INTERRUPT DEVICE GROUND XT-40 XT-40 3-Phase Delta (High-Leg) (3D101) PHASE A PHASE B (High Leg) PHASE C CIRCUIT INTERRUPT DEVICE NEUTRAL GROUND Solid bond between Ground/Earth and Neutral at service entrance or serving isolation transformer Page 4 XT-40 Rev. 1 – 2/2007 XT-40 & IT-RSS Installation 2.3 IM01005012E IT-RSS Wiring Diagram Split Phase – 288 Vac Phase to Phase Max. PHASE A CIRCUIT INTERRUPT DEVICE PHASE B GROUND IT-RSS 2.4 Installing Circuit Interrupt Devices The SPD must be connected to the electrical system through a 30 A circuit interrupt device as listed in Table 2-1. The circuit interrupt device can consist of fuses, individual circuit breakers (single breaker for each phase), or a multi-pole / single throw breaker. A pre-existing breaker of rated load size may be utilized if provisions for multi-conductor connections are made according to U.S. NEC 110-14a (or other applicable country codes). Avoid using a pre-existing breaker that when operated will cause a critical system shut down. For XT-40 Single Phase applications (refer to Section 2.2, Single Phase Diagram), note that if the Neutral wire is used as Phase B, then an additional interrupt device must be used for that phase. Table 2-1. Wire and Circuit Interrupt Device Requirements Models Wire Size Circuit Interrupt Device Required for Installation Max. Current Rating XT-40 #10 AWG 2 (6 mm ) IT-RSS Stranded Wire Included 30 Amps Type Class RK5 Fuse(s) or Single-Pole / Single Throw Breaker for each Phase or Multiple-Pole / Single Throw Breaker Fuse(s) or Breaker(s) Not Included Rev. 1 – 2/2007 Page 5 IM01005012E 2.5 XT-40 & IT-RSS Installation Conduit Installation When planning the conduit installation, avoid using 90° elbows and keep the conduit run as short and straight as possible. See Figure 2-1. When applicable, use weatherproof (corrosion resistant) conduit and fittings to maintain the enclosure’s NEMA 4 or 4X rating. If the system utilizes an isolated ground, then the SPD’s housing must be isolated from ground using insulated conduit fittings. Figure 2-1. Conduit Installation Guidelines Avoid sharp bends in wiring and longer than necessary wire lengths 2.6 Keep wire lengths as short and straight as possible Mounting the SPD The SPD is to be installed through a panel knockout and via its mounting feet. Place SPD against mounting surface and mark feet positions. Complete conduit connection installation. Screw box to surface with appropriate screws. Mounting dimensions and weight are shown in Figure 2-2. Mount the SPD to provide the shortest and straightest possible wire installation from the SPD to the system bus. Excessive wire length and sharp bends will degrade suppressor performance; therefore, avoid excessive wire length and sharp bends when all possible. If installing on a system other than an electrical panel, mount SPD in close proximity to the system being protected using the necessary means for mounting. Note: A circuit interrupt device is still required when installing suppressor on a system other than an electrical panel. The SPD contains no position-oriented components and can be mounted upside down or sideways. Cover may be rotated 180 degrees to improve label readability. Take care to support cover to prevent damage to indicator light circuit board and wiring. WARNING! Cover will not seal when rotated ONLY 90 degrees. This invalidates NEMA 4 rating and may create safety hazard. Page 6 Rev. 1 – 2/2007 XT-40 & IT-RSS Installation IM01005012E Figure 2-2. XT-40 & IT-RSS Mounting Dimensions 5.58 (141.7) 4.73 (120.1) 0.75 (19.0) Internally Threaded Conduit Fitting 3.23 (82.0) 4.17 (105.9) 4.80 (121.9) 2.40 (61.0) M ounting Holes Under Lid (4) Note: Remove cover to gain access to the mounting hole shafts. Weight: 3 lb 2.87 (73.0) 2.48 (63.0) 3.15 (80.0) 0.79 (20.1) M ounting Hole Shafts 1.77 (45.0) 3.15 (80.0) 1.38 (35.1) 0.25 (6.4) Dim ensions: Inches (m m ) 2.7 Wiring SPD to Electrical System Important! When connecting the wires from the SPD to the electrical system, cut the wires as necessary to keep them as short as possible. In addition, to maximize the SPD’s performance, also twist and bind the wires together to reduce the impedance of the wire. 1. Locate your electrical system’s applicable wiring diagram in Section 2.2 or 2.3. Reference this wiring diagram as necessary in Steps 2, 3, and 4. 2. Connect the Ground wire (green) from the SPD to the system’s Ground bus bar. Important! If the system utilizes an isolated ground, then its ground wire must be connected to the system’s isolated Ground bus. 3. For the XT-40, connect the Neutral wire (white) from the SPD to the system’s Neutral bus bar (not required for 3-Phase Delta systems – NN201, NN400, and NN501). 4. Connect each Phase wire from the SPD through one of the circuit interrupt devices installed in Section 2.4 to the system’s corresponding Phase voltage connection. Tip: To ensure that the front panel phase voltage LEDs glow evenly, be sure that the phase wires are attached to their associated phase (A to A, B to B, and C to C). The wires or terminals of the SPD are marked with the intended phase for the electrical system (A, B, or C). Use a phase rotation meter to identify the electrical system’s phase sequence prior to wiring the SPD — DO NOT trust existing markings. Rev. 1 – 2/2007 Page 7 IM01005012E 2.8 XT-40 & IT-RSS Installation Power Up and System Checkout Apply system power and observe that the LED(s) on the front of the SPD should glow. One LED should glow for each Phase voltage being monitored. Should there be a significant difference in brightness, check the phase rotation of the panel and ensure that the SPD’s Phase wires are connected to the correct phase. Slight differences in brightness DO NOT indicate a faulty device, rather specification tolerance differences of the indicator circuit’s components. LED brightness symmetry and/or level do not indicate the SPD’s operational status. Page 8 Rev. 1 – 2/2007 XT-40 & IT-RSS Installation IM01005012E Notes: Rev. 1 – 2/2007 Page 9 Eaton Corporation 1000 Cherrington Parkway Moon Township, PA 15108-4312 USA http://www.itvss.com For additional information please call: Power Quality Technical Support Center 1-800-809-2772 © 2007 Eaton Corporation All Rights Reserved Publication No. IM01005012E Rev. 1 – February 2007
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