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Manual GE ZTSCT

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  • GE ZTSCT - page 1

    GE Zenith Controls 71R-5000A 11/04 ZTSCT/ZBTSCT Series Closed T ransition T ransfer & T ransfer Bypass - Isolation Switches 100-4000 Amps Operation and Maintenance Manual ...

  • GE ZTSCT - page 2

    Page Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Equipment Inspection and Storage . . . . . . . . . . 1 1 Final Equipment Inspection . . . . . . . . . . . . . . . 1 1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • GE ZTSCT - page 3

    GE Zenith Controls 1 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Safety Each GE Zenith transfer switch is factory wired and tested. A complete information package is furnished with each switch which includes: a. Sequence of operation. b. Description and operation of all accessories supplied. c. Power panel connection diagram and ...

  • GE ZTSCT - page 4

    2 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Installation T able 2 T ightening T orque for Lugs Socket Size Across Flats T orque Lb. - In. Lb. - Ft. 45 1/8 4 100 5/32 8 120 3/16 10 150 7/32 12 200 1/4 17 275 5/16 23 375 3/8 31 500 1/2 42 600 9/16 50 D CABINET LIFTING EYES SPREADER BAR H 45° Figure 1 Power Co ...

  • GE ZTSCT - page 5

    GE Zenith Controls 3 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Installation (cont’d) Engine Start Control Connections The engine-start terminals are clearly identified by a label on the microcontroller backplate. In the case of manual transfer switches, or in other applications not requiring the microprocessor , clearly mark ...

  • GE ZTSCT - page 6

    4 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Installation (cont’d) NOTE : When the voltage and frequency reach preset values, the Source 2 A vailable LED will illuminate. 7. V erify the phase to phase voltages at Source 2 line terminals. 8. V erify that the phase rotation of Source 2 is the same as the phas ...

  • GE ZTSCT - page 7

    GE Zenith Controls 5 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Installation (cont’d) A complete information package is furnished with each transfer switch including a complete connection diagram and schematic which details all necessary control circuit field connections. The engine start control wires connect to the engine s ...

  • GE ZTSCT - page 8

    6 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Entelli-Switch 250 Controller Entelli-Switch 250 Controller Consists of two major assemblies: I. The Microprocessor contains the following: A. Entelli-Switch 250 Board - Customer Input and Output (I/O) for system inter face. Located on the left hand side of the bac ...

  • GE ZTSCT - page 9

    GE Zenith Controls 7 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Entelli-Switch 250 Controller (cont’d) Figure 9 LCD & Keypad These options are accessible through the LCD and keypad (see figure below). T o become familiar with the options loaded into a particular unit, scrolling through the SET and CFG menu will show the d ...

  • GE ZTSCT - page 10

    8 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) User Setting for V oltage & Frequency Standard 3-Phase Sensing on 3 and 4 Pole Units Source 1 Under V oltage "Restore" Factory Default: 90% This adjustment determines the minimum acceptable voltage required to transfer to Source 1. Adjust via the SET ...

  • GE ZTSCT - page 11

    GE Zenith Controls 9 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Accessory Group Packages Accessories 6P A1 A1E A3 A4 Calibrate CDT CDP DS** DT DW E EL/P K/P L1 L2 L3 L4 LN P1 Q2 Q3 Q7 R1-3 R15D R16 R50 S5P S12P S13P T T3/W3 U UMD VI W YEN STDS EXES CONS SENS SPES PSGS 2 2 2 2 2 2 2 2 3 3 2 2 2 2 2 2 2 2 2 2 2 2 Group Packages 3 ...

  • GE ZTSCT - page 12

    10 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Accessory Definitions 6P T est Switch, Momentary 6A T est Switch, Maintained Auto/Momentary T est 6AP T est Switch, Maintained/Momentary utilizing keypad 6B T est Switch, Maintained - Auto / Momentary - T est, Key Operated 6C T est Switch, Maintained - Auto / Main ...

  • GE ZTSCT - page 13

    GE Zenith Controls 11 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Accessory Definitions (cont’d) M1 Single Phase Amp Meter M2 Three Phase Amp Meter M80 3000 Digital Power Monitor M82 5200 Digital Power Meter M83A EPM 5300 Digital Power Meter with Modbus Port M83B EPM 5350 Digital Power Meter with Ethernet Port M84 7430 Digital ...

  • GE ZTSCT - page 14

    12 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Accessory Definitions (cont’d) R50 In Phase Monitor this feature restricts Live to Live Source T ransfers to occur unless both Sources are within 7 electrical degrees or less of each other . (live Source to live Source transfers usually occur during transfer bac ...

  • GE ZTSCT - page 15

    GE Zenith Controls 13 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Accessory Definitions (cont’d) 5 minutes. Adjust via SET menu (see page 18) UMD Universal Motor Load Disconnect Circuit: Auxiliary Contact opens 0-60 seconds prior to transfer in either direction, re-closes after transfer . Can be configured by end user for Pre- ...

  • GE ZTSCT - page 16

    14 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Load / No-Load One event Exerciser with adjustable Timer . Exercise duration can be set between 5 and 60 minutes in 1 minute increments. Can be configured to run every 1,7,14, or 28 days. Factory default is 20 minutes. How to CONFIGURE (CFG) and Set (SET) the Time ...

  • GE ZTSCT - page 17

    SET EXERCISER 00:00 T o save value and to move cursor to next field to be changed. Indicates # of Exercise Periods BACK ^ v SA VE Indicates type of Exerciser DAIL Y , WEEKL Y , 14-DA Y , 28-DA Y or 365-DA Y Indicates Exerciser start: T ime for DAILY Exerciser T ime & Day for WEEKLY Exerciser T ime, Date & Month for 14-DAY , 28-DA Y and 365- ...

  • GE ZTSCT - page 18

    16 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Entelli-Switch 250 User Setup - CFG Menu T urn options ON or OFF via keypad through the CFG menu Enter six digit access code (The factory assigned six-digit access code is located on the back of the controller) Figure 11 1 Engine Start Relay (De-Energized) Network ...

  • GE ZTSCT - page 19

    GE Zenith Controls 17 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Entelli-Switch 250 User Setup - SET Menu Change adjustable values through the SET menu. Enter six digit access code (The factory assigned six-digit access code is located on the back of the controller) Figure 11 1 Engine Start Relay (De-Energized) Network Communic ...

  • GE ZTSCT - page 20

    18 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Entelli-Switch 250 User Setup - System Info View System Data Enter six digit access code (The factory assigned six-digit access code is located on the back of the controller) Figure 11 1 Engine Start Relay (De-Energized) Network Communications (Option) 1 2 3 4 5 6 ...

  • GE ZTSCT - page 21

    GE Zenith Controls 19 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) T esting Introduction A manual operator handle is provided with the transfer switch for maintenance purposes only . Manual operation of the switch must be checked before it is operated electrically . Both power sources must be disconnected before manual operation ...

  • GE ZTSCT - page 22

    20 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) T esting (cont’d) A TS T esting Start generator and verify proper voltage, frequency and phase sequence (match to Source 1). Shut down gen set and place in Auto. Complete the visual inspection of the transfer switch, and close the cabinet door . Initiate the tes ...

  • GE ZTSCT - page 23

    GE Zenith Controls 21 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) T esting (cont’d) Closed T ransition GE Zenith Closed T ransition T ransfer Switches are designed to T ransfer the Load between two available sources with out interrupting power to the Load (Make-Before-Break). Paralleling of the two sources occurs within a pred ...

  • GE ZTSCT - page 24

    22 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) T esting (cont’d) Emergency Service Procedure for Extended Parallel T ime ZTSCT T ransfer Switch If Source 2 breaker shunt trip was triggered after an extended parallel time (malfunction) occurred. Follow these steps to open the transfer switch. 1) Disconnect al ...

  • GE ZTSCT - page 25

    GE Zenith Controls 23 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Sequence of Operation Open T ransition Source 1 Power Failure: When Source 1 voltage or frequency has fallen below the preset "Fail" values, the controller initiates the Time Delay Source 2 Start (Engine Start Timer "P") cycle. Upon completion ...

  • GE ZTSCT - page 26

    24 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Sequence of Operation (cont’d) Closed T ransition GE Zenith Closed T ransition T ransfer Switches are designed to T ransfer the Load between two available sources with out interrupting power to the Load (Make-Before-Break). Paralleling of the two sources occurs ...

  • GE ZTSCT - page 27

    GE Zenith Controls 25 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Sequence of Operation (cont’d) Bypass-Isolation Operation An automatic transfer switch equipped with a bypass-isola- tion switch provides the ability to withdraw the A TS for test- ing and/or maintenance purposes without interrupting the served load. Operation o ...

  • GE ZTSCT - page 28

    26 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Sequence of Operation (cont’d) 100-400 AMP 1) Automatic a) Manually operated Bypass Switch contacts (BN/BE) are open and A TS i s supplying load. b) Disconnect Switch (DS) is in Auto. 2) T o Bypass A TS a) Open bottom cabinet door and turn DS to Inhibit. b) Posi ...

  • GE ZTSCT - page 29

    GE Zenith Controls 27 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) 600-1200 AMP 1) Automatic a) Manually operated Bypass Switch contacts (BN/BE) are open and A TS i s supplying load. b) Disconnect Switch (DS) is in Auto. 2) T o Bypass A TS a) Open bottom cabinet door and turn DS to Inhibit. b) T urn Bypass Selector Switch (BSS) t ...

  • GE ZTSCT - page 30

    28 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) 1600-4000 AMP 1) Automatic a) Manually operated Bypass Switch contacts (BN/BE) are open and A TS i s supplying load. b) Disconnect Switch (DS) is in Auto. 2) T o Bypass A TS a) Open bottom cabinet door and turn DS to Inhibit. b) T urn Bypass Selector Switch (BSS) ...

  • GE ZTSCT - page 31

    GE Zenith Controls 29 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Closed T ransition Each Entelli-Switch 250 microprocessor based A TS controller requires a Controls Power Supply (CPS) to apply line voltage to the A TS operator via SCRs. Also required is power for the Entelli-Switch 250 printed circuit board and an application o ...

  • GE ZTSCT - page 32

    C.V. SCR-N CONTROL VOLTAGE (SOURCE 1) C.V. SCR-E CONTROL VOLTAGE (SOURCE 2) C.V. SCR-EO CONTROL VOLTAGE (OPEN SOURCE 2) C.V. SCR-NO CONTROL VOLTAGE (OPEN SOURCE 1) SCR-NO JC 908 JC C.V. SCR-E C.V. 901 JC JC 908 808 JC SCR-EO C.V. JC JC 801 JC SCR-N C.V. GND 907 903 902 801 901 807 804 803 904 905 906 805 806 GROUND COMMON J5 24V 10V 11V 10V 24V 10V ...

  • GE ZTSCT - page 33

    GE Zenith Controls 31 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) T roubleshooting and Diagnostics HAZARDOUS VOL T AGES CAN CAUSE SEVERE INJURY OR DEA TH . These charts may indicate problems that require authorized GE Zenith service personnel. Hazardous voltages may exist on termination plugs other than those that go into the En ...

  • GE ZTSCT - page 34

    32 GE Zenith Controls ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) Maintenance and T esting A preventive maintenance program will insure high reliability and long life for the transfer switch. The preventive maintenance program for the transfer switch should include the following items: Inspection and Cleaning The switch should b ...

  • GE ZTSCT - page 35

    GE Zenith Controls 33 ■ ZTSCT / ZBTSCT Operation and Maintenance Manual (71R-5000A) ...

  • GE ZTSCT - page 36

    A Product of GE Industrial Systems General Electric Company 830 West 40 th Street, Chicago, IL 60609 USA 773 299-6600 , Fax: 773 247-7805 www .geindustrial.com GE Zenith Controls ...

Manufacturer GE Category Switch

Documents that we receive from a manufacturer of a GE ZTSCT can be divided into several groups. They are, among others:
- GE technical drawings
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- GE product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual GE ZTSCT.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals GE ZTSCT, service manual, brief instructions and user manuals GE ZTSCT. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product GE ZTSCT.

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A complete manual for the device GE ZTSCT, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use GE ZTSCT by users. Manuals are usually written by a technical writer, but in a language understandable to all users of GE ZTSCT.

A complete GE manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual GE ZTSCT - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the GE ZTSCT, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the GE ZTSCT, that we can find in the current document
3. Tips how to use the basic functions of the device GE ZTSCT - which should help us in our first steps of using GE ZTSCT
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with GE ZTSCT
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of GE ZTSCT in a specific country, if it was not possible to solve the problem on our own.

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