Instruction/ maintenance manual of the product Entelli-Switch 250 GE
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71R-20 0 0 5/03 Operation and Maintenance Manual Entelli-Switch 250 Microprocessor Controller T ransfer Switch Control Panel GE Zenith Controls e.
P age Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 Equipment Inspection and Storage . . . . . . . . 1 3 Final Equipment Inspection . . . .
■ GE Zenith Controls 3 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) 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.
■ 4 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Installation (cont’ d) Engine Star t Contr ol Connections The engine-start terminals are clearly identified by a label on the microcontroller backplate.
Entelli-Switch 250 ■ GE Zenith Controls 5 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) 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.
■ 6 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) 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.
Entelli-Switch 250 ■ GE Zenith Controls 7 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) 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.
■ 8 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Entelli-S witc h 250 Contr oller (cont’ d) Figure 8 LCD & K e ypad These options are accessible through the LCD and keypad (see figure below).
■ GE Zenith Controls 9 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) User S et ting f or V oltage & F req uenc y Standard 3-Phase S ensing on 3 and 4 P ole Units S ourc.
■ 10 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) 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 .
■ GE Zenith Controls 11 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) A ccessory Definitions 6P T est Switch, Momentary 6A T est Switch, Maintained Auto/Momentary T est 6AP.
■ 12 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) M1 Single Phase Amp Meter M2 Three Phase Amp Meter M80 3000 Digital Power Monitor M82 5200 Digital Pow.
■ GE Zenith Controls 13 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) A ccessory Definitions (cont ’ d) Notes: - If S2 F r equency is less than S1 Frequency , display will show a series of (- - - - -…..) symbols. - If S2 Frequency is greater than S1 Frequency , display will show a series of (+++++….
■ 14 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Ho w to Set the S ystem Cloc k How to S et the System Cloc k Set System Clock, time and date · If the clock is not set, the display will show SET SYSTEM CLOCK on the second line of the S1 OK screen.
■ GE Zenith Controls 15 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Load or 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.
■ 16 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) SET EXERCISER 00:0 0 T o save value and to move cursor to next field to be c hanged.
■ GE Zenith Controls 17 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Entelli-S witc h 250 User Setup - CFG Menu —TIMER EXERCISER (CDT) 1, 7, 14, 28 Day (pg. 11 & 15) —CLOCK EXERCISER LOAD OR NO LOAD (CDP) 1, 7, 14, 28, 365 Day (pg.
■ 18 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Entelli-S witc h 250 User Setup - SET Menu —SET SYSTEM CLOCK (pg.14) —DA YLIGHT SAVINGS ON/OFF —CLOCK EXERCISER (CDP) (pg.11 & 16) —EXER S2 RUNTIME (CDT) (pg.
■ GE Zenith Controls 19 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Entelli-S witc h 250 User Setup - S ystem Inf o —PHASE TO PHASE VOL T AGE, S1 & S2 —FREQUENCY INDICA TION FOR S1 & S2 (K/P) (pg.
■ 20 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) T esting Intr oduction 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 .
■ GE Zenith Controls 21 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Entelli-Switch 250 T esting (cont ’ d) NO TICE A periodic test of the transfer switc h under load conditions is recommended to insure proper operation.
■ 22 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) T esting (cont ’ d) NO TICE A periodic test of the transfer switc h under load conditions is recommended to insure proper operation.
■ GE Zenith Controls 23 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) T esting (cont ’ d) Emergenc y Service P rocedure f or Extended P arallel T ime ZTSCT T ransfer Switc h If Source 2 breaker shunt trip was triggered after an extended parallel time (malfunction) occurred.
■ 24 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) S equence of Operation Standard T ransition Source 1 Power Failure: When Source 1 voltage or frequency.
■ GE Zenith Controls 25 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) S equence 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).
■ 26 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Standard T ransition Each MX250 microprocessor based A TS controller requires a relay/transformer box to apply line voltage to the A TS operator via coil control relays.
■ GE Zenith Controls 27 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Dela yed / Closed T ransition Rela y/T ransformer (R/T Bo x) (cont ’ d) R/T Box Primar y 1 VA 25 VA Assembl y Voltage XFM R X FMR Part No. at 50/60 Hz Part No.
■ 28 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Rela y/T ransformer (R/T Bo x) (cont ’ d) 20 21 22 31 30 GND 903 902 80 1 90 1 807 804 803 904 905 9.
■ GE Zenith Controls 29 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) 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 service per sonnel.
■ 30 GE Zenith Controls ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ) Maintenance and T esting A preventive maintenance program will insure high reliability and long life for the transfer switch.
■ GE Zenith Controls 31 ■ Entelli-Switc h 250 Operation and Maintenance Manual (71 R -2 000 ).
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.
An important point after buying a device GE Entelli-Switch 250 (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 Entelli-Switch 250 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 Entelli-Switch 250 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, GE Entelli-Switch 250 you will learn all the available features of the product, as well as information on its operation. The information that you get GE Entelli-Switch 250 will certainly help you make a decision on the purchase.
If you already are a holder of GE Entelli-Switch 250, 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 Entelli-Switch 250.
However, one of the most important roles played by the user manual is to help in solving problems with GE Entelli-Switch 250. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device GE Entelli-Switch 250 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
