GEメーカーEntelli-Switch 250の使用説明書/サービス説明書
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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.
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