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Staco Energy FirstLine PE User Manual

Maintenance bypass switch cabinet with skru
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FIRSTLINE P
E
Maintenance Bypass Switch
Cabinet with SKRU
50-80Kva,
480V Input, 208V Output
USER MANUAL
003-2722 Rev B

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Summary of Contents for Staco Energy FirstLine PE

  • Page 1 FIRSTLINE P Maintenance Bypass Switch Cabinet with SKRU 50-80Kva, 480V Input, 208V Output USER MANUAL 003-2722 Rev B...
  • Page 2 No reproduction of any part of this manual, even partial, is permitted without the authorization of Staco Energy Products Company. The Staco Energy Products Company reserves the right to modify the product described herein, in order to improve it, at any time and without notice.

  • Page 3: Table Of Contents

    Table of Contents Safety Warnings ......................3 1.1 Protective Equipment ....................4 1.2 General Precautions ....................4 Introduction ........................5 2.1 Overview ........................5 Cabinet Setup ....................... 7 3.1 Inspecting the Equipment ................... 7 3.2 Floor Loading ......................7 3.3 Clearances ......................... 7 3.4 Unloading the Cabinet(s) ....................

  • Page 4: Safety Warnings

    1. SAFETY WARNINGS IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS READ AND FOLLOW ALL SAFETY INSTRUCTIONS • Do not use outdoors. • Do not route wiring across or near hot surfaces. • Do not install near gas or electric heaters. • Equipment should be installed where it will not readily be subjected to tampering by unauthorized personnel.

  • Page 5: Protective Equipment

    Symbols Used In the Manual In this manual, some operations are shown by graphic symbols to alert the reader to the dangerous nature of the operations: Danger / Risk of Electric Shock This symbol indicates the possibility of serious injury or substantial damage to the unit unless adequate precautions are taken.

  • Page 6: Introduction

    2. INTRODUCTION 2.1 Overview The FirstLine P Maintenance Bypass Switch Cabinet for 50-80 kVA with 480 V Input and 208v Output is a steel cabinet providing the maintenance bypass function. The cabinet has conduit attachment points at the top and the bottom for maximum flexibility in wiring the source and load power connections.
  • Page 7 Figure 2 – FirstLine P Maintenance Bypass Switch Cabinet w/Opt Utility Input Breaker 003-2722 Rev B P a g e...

  • Page 8: Cabinet Setup

    3. CABINET SETUP 3.1 Inspecting the Equipment If any equipment has been damaged during shipment, keep the shipping and packing materials for the carrier or place of purchase and file a claim for shipping damage. 3.2 Floor Loading When planning the installation, consider the battery cabinet weight for floor loading. The strength of the installation surface must be adequate for point and distributed loading.
  • Page 9 Figure 3 - Pallet Mounting Hardware 10. Lift the cabinet with a forklift one to two inches (1”-2” [2.5-5cm]) above the pallet. 11. Slide the pallet completely away from the raised cabinet. 12. Carefully move the cabinet to the desired location and slowly lower the cabinet to the floor or other appropriate flat surface.

  • Page 10: Electrical Installation

    4. ELECTRICAL INSTALLATION 4.1 Overview Each of the pieces of equipment covered by this manual has four sets of power connections: 1. Input from the power source, typically, from the electric utility. 2. Power routed to the input of the UPS. 3.

  • Page 11: Control Connections

    4. Connect wires from the "TO UPS INPUT" terminal block to the input rectifier terminals in the UPS. (Refer to the UPS manual). a. The terminals must be properly torqued (see Table 4). b. Ensure proper phasing of the cables. 5.

  • Page 12: Control Wire Connections

    4.4.1 Control Wire Connections Figure 5 is an electrical wiring schematic summarizing the connections to the Low Voltage Connection Terminal Block. 1. Wire terminal 1 from the SKRU Low Voltage terminal (LVT) block to OUT1-1 of the Remote Commands & Alarms (RCA) Output connections in the UPS. 2.

  • Page 13: Operation

    5. OPERATION Refer to the User's Manual for the UPS for instructions on operating the UPS part of the system. If the UPS is part of a parallel system, special operating instructions apply. 5.1 Maintenance Bypass Switch (MBS) The purpose of the Maintenance Bypass Switch (MBS) is to facilitate servicing the UPS without removing power from the load.

  • Page 14: To Place Load On Maintenance Bypass

    WARNING Always observe proper switching sequence to avoid loss of power to the load. 5.2 To place load on maintenance bypass: 1. Reference the UPS user's manual – manual transfer to bypass. Place UPS in bypass. 2. Verify the UPS is in bypass by observing the SKRU push-button is illuminated. 3.
  • Page 15 Figure 6 - Circuit Breaker Sequence Label Figure 7 – Optional Utility Input Breaker Sequence Label 003-2722 Rev B 14 | P a g e...

  • Page 16: Maintenance

    6. MAINTENANCE There are no wear items in the MBS that require periodic replacement. However, regular care will assure maximum availability of power. Keep the ventilation openings in the cabinet free of dust and debris. Wipe the cabinet exterior with a soft cloth, slightly dampened with water, to remove dust. Consider performing periodic infrared temperature measurements on the circuit breaker terminations.

  • Page 17: Technical Specifications

    7. TECHNICAL SPECIFICATIONS Table 2 - Maximum Current Ratings Rated Input Rated Bypass Input Rated Output Breaker Breaker(s) (Amps) Breaker (Amps) (Amps) Table 3 – Recommended Wire Size Input Input Wire Bypass Input Output Output Ground Voltage Size Wire Size Voltage Wire Size Wire Size...

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