71R-20005/03Operation and Maintenance ManualEntelli-Switch 250Microprocessor ControllerTransfer Switch Control PanelGE Zenith Controlse
10 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Accessory Group PackagesAccessories6PA1A1EA3A4CalibrateCDTCDP**DS
GE Zenith Controls 11 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Accessory Definitions6PTest Switch, Momentary6ATest Switch, Maint
12 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)M1Single Phase Amp MeterM2Three Phase Amp MeterM803000 Digital Po
GE Zenith Controls 13 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Accessory Definitions (cont’d)Notes: - If S2 Frequency is less th
14 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)How to Set the System ClockHow to Set the System ClockSet System
GE Zenith Controls 15 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Load or No-Load One event Exerciser with adjustable Timer. Exerci
16 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000) SET EXERCISER
GE Zenith Controls 17 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Entelli-Switch 250 User Setup - CFG Menu—TIMER EXERCISER (CDT)
18 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Entelli-Switch 250 User Setup - SET Menu—SET SYSTEM CLOCK (pg.14)
GE Zenith Controls 19 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Entelli-Switch 250 User Setup - System Info—PHASE TO PHASE VOLTAG
PageIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)TestingIntroductionA manual operator handle is provided with thet
GE Zenith Controls 21 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Entelli-Switch 250 Testing (cont’d)NOTICEA periodic test of t
22 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Testing (cont’d)NOTICEA periodic test of the transfer switch unde
GE Zenith Controls 23 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Testing (cont’d)Emergency Service Procedure for Extended Parallel
24 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Sequence of OperationStandard TransitionSource 1 Power Failure:Wh
GE Zenith Controls 25 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Sequence of Operation (cont’d)Closed TransitionGE Zenith Closed T
26 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Standard TransitionEach MX250 microprocessor based ATS controller
GE Zenith Controls 27 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Delayed / Closed TransitionRelay/Transformer (R/T Box) (cont’d)R
28 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Relay/Transformer (R/T Box) (cont’d)2021 223130GND903902801901807
GE Zenith Controls 29 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Troubleshooting and DiagnosticsHAZARDOUS VOLTAGES CAN CAUSE SEVER
GE Zenith Controls 3 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Each GE Zenith transfer switch is factory wired and tested. A comp
30 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Maintenance and TestingA preventive maintenance program will insu
GE Zenith Controls 31 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)
A Product of GE Industrial SystemsGeneral Electric Company830 West 40thStreet, Chicago, IL 60609 USA773 299-6600, Fax: 773 247-7805www.geindustrial.co
4 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Installation (cont’d)Engine Start Control ConnectionsThe engine-st
Entelli-Switch 250 GE Zenith Controls 5 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Installation (cont’d)NOTE: When the voltage
6 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Installation (cont’d)A complete information package is furnished w
Entelli-Switch 250 GE Zenith Controls 7 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Entelli-Switch 250 ControllerEntelli-Switch
8 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)Entelli-Switch 250 Controller (cont’d)Figure 8LCD & KeypadThes
GE Zenith Controls 9 Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)User Setting for Voltage & FrequencyStandard 3-Phase Sensingon
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