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- name of the manufacturer and a year of construction of the GE ZBTS item
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of GE ZBTS alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of GE ZBTS, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the GE service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of GE ZBTS.
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Table of contents for the manual
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Page 1
71R-40 0 0B 1/06 ZBTS/ZBTSD Series Bypass Isolation T ransfer Switches 100-4000 Amps Operation and Maintenance Manual GE Zenith Controls[...]
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P age Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Equipment Inspection and Storage . . . . . . . . . . 1 1 Final Equipment Inspection . . . . . . . . . . . . . . . 1 1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . [...]
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GE Zenith Controls 1 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) S afety 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 an[...]
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2 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Installation T able 2 Tightening T orque for Lugs Sock et Size Acr oss Flats T orque Lb. - In. Lb. - Ft. 45 1/8 4 10 0 5/32 8 120 3/16 10 150 7/32 12 20 0 1/4 17 275 5/16 23 375 3/8 31 50 0 1/2 42 60 0 9/16 50 P ow er Connections GE Zenith transfer switches are sup[...]
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GE Zenith Controls 3 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Installation (cont’ d) Engine Star t Contr ol 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 m[...]
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4 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Installation (cont’ d) NO TE : When the voltage and freq uency reac h preset values, the S ource 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[...]
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GE Zenith Controls 5 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) 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 [...]
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6 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Entelli-S witc h 250 Contr oller Entelli-S witc h 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 th[...]
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GE Zenith Controls 7 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Entelli-S witc h 250 Contr oller (cont’ d) LCD & K e ypad 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 desc[...]
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8 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) User S et ting f or V oltage & Freq uenc y Standard 3-Phase S ensing on 3 and 4 P ole Units S ource 1 Under V oltage "Restore" Factory Default: 90% This adjustment determines the minimum acceptable voltage required to transfer to Source 1. Adjust via [...]
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GE Zenith Controls 9 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) A ccessory Gr oup P ac kages 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 R1-1 R1-3 R15 *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[...]
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10 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) A ccessory 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 / Mai[...]
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GE Zenith Controls 11 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) A ccessory 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 Digi[...]
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12 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) A ccessory 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 [...]
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GE Zenith Controls 13 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) A ccessory Definitions (cont ’ d) 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-transfer , Post-transfer , or both. VI V o[...]
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14 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) 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[...]
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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-DAY , 28-DA Y or 365-DAY 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-DA[...]
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16 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Entelli-S witc h 250 User Setup - CFG Menu T urn options ON or OFF via k eypad thr ough the CFG menu Enter six digit access code (The factory assigned six-digit access code is located on the back of the controller) Figure 1 1 1 Engine Start Relay (De-Energized) Ne[...]
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GE Zenith Controls 17 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Entelli-S witc h 250 User Setup - SET Menu Change adjustable v alues thr ough the SET menu. Enter six digit access code (The factory assigned six-digit access code is located on the back of the controller) Figure 1 1 1 Engine Start Relay (De-Energized) Network Com[...]
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18 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Entelli-S witc h 250 User Setup - S ystem Inf o V iew S ystem Data Enter six digit access code (The factory assigned six-digit access code is located on the back of the controller) Figure 1 1 1 Engine Start Relay (De-Energized) Network Communications (Option) 1 2 [...]
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GE Zenith Controls 19 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) T esting 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 test by pressi[...]
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20 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) S equence of Operation Standard 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 Timer (Engine Start Timer "P") cycle. Upon [...]
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GE Zenith Controls 21 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) S equence 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. Operatio[...]
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22 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) S equence of Operation (cont ’ d) 1 0 0-40 0 AMP 1) Automatic a) Manually operated Bypass Switch contacts (BN/BE) are open and AT S i s supplying load. b) Disconnect Switch (DS) is in Auto. 2) T o Bypass ATS a) Open bottom cabinet door and turn DS to Inhibit. b)[...]
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GE Zenith Controls 23 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) 60 0-1 20 0 AMP 1) Automatic a) Manually operated Bypass Switch contacts (BN/BE) are open and AT S i s supplying load. b) Disconnect Switch (DS) is in Auto. 2) T o Bypass ATS a) Open bottom cabinet door and turn DS to Inhibit. b) T urn Bypass Selector Switch (BSS)[...]
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24 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) 1 60 0-40 0 0 AMP 1) Automatic a) Manually operated Bypass Switch contacts (BN/BE) are open and AT S i s supplying load. b) Disconnect Switch (DS) is in Auto. 2) T o Bypass ATS a) Open bottom cabinet door and turn DS to Inhibit. b) T urn Bypass Selector Switch (BS[...]
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GE Zenith Controls 25 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Standard and Dela y T ransition Each Entelli-Switch 250 microprocessor based A TS controller requires 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 ap[...]
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26 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) Figure 1 8 Figure 1 9 Standard T ransition CPS S c hematic Dela yed T ransition CPS Sc hematic Contr ols P o w er Suppl y (CPS) (cont ’ d) GND 903 902 801 901 807 804 803 904 905 906 805 806 (BLANK) (BLANK) GROUND C.V. SCR-E CONTROL VOLTAGE (SOURCE 2) COMMON J5 [...]
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D ANGER GE Zenith Controls 27 ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) T r oubleshooting and Diagnostics HAZARDOUS V OL T A GES C AN C A USE SEVERE INJUR Y OR DEA TH . These c harts may indicate problems that req uire authorized GE Zenith ser vice per sonnel. Hazardous voltages ma y exist on termination plugs other than those[...]
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28 GE Zenith Controls ■ ZBTS / ZBTSD Operation and Maintenance Manual (71R-40 0 0A) 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[...]
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GE Zenith Controls 29 ■ ZBTSH/ZBTSDH Operation and Maintenance Manual (71R-40 0 0A)[...]
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A Product of GE Consumer & Industrial General Electric Company 830 West 40 th Street, Chicago, IL 60609 USA 773 299-6600 , Fax: 630 652-4501 www .geelectrical.com GE Zenith Controls[...]