Instruction/ maintenance manual of the product ZBTS GE
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71R-40 0 0B 1/06 ZBTS/ZBTSD Series Bypass Isolation T ransfer Switches 100-4000 Amps Operation and Maintenance Manual GE Zenith Controls.
P age Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Equipment Inspection and Storage . . . . . . . . . . 1 1 Final Equipment Inspection .
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.
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.
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.
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.
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.
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.
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).
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.
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 .
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 Switc.
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 Moni.
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 .
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 .
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.
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.
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 dig.
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.
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 assign.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
GE Zenith Controls 29 ■ ZBTSH/ZBTSDH Operation and Maintenance Manual (71R-40 0 0A).
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.
An important point after buying a device GE ZBTS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought GE ZBTS yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data GE ZBTS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, GE ZBTS you will learn all the available features of the product, as well as information on its operation. The information that you get GE ZBTS will certainly help you make a decision on the purchase.
If you already are a holder of GE ZBTS, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime GE ZBTS.
However, one of the most important roles played by the user manual is to help in solving problems with GE ZBTS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device GE ZBTS along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
