Related Manuals for GE Entelli-Switch 250
Summary of Contents for GE Entelli-Switch 250
- Page 1 GE Zenith Controls Entelli-Switch 250 Microprocessor Controller Transfer Switch Control Panel 71R-2000 Operation and Maintenance Manual 5/03 Get other manuals https://www.bkmanuals.com...
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Page 2: Table Of Contents
It is designed to give highly accurate control of the transfer switch system. All GE Zenith transfer switches are designed for use on emergency or standby systems, and are rated for total system or motor loads. Transfer switches are UL Listed under Standard 1008 and CSA Certified under Standard C22.2 No. 178 and IEC Listed under Standard 947. -
Page 3: Equipment Inspection And Storage
(Can Cause Severe Injury or Death) Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components. The safe operation of your switch is GE Zenith’s focus. Final Equipment Inspection The proper storage, installation, operation and mainte- Prior to energizing the transfer switch: nance will help increase the life of the switch. -
Page 4: Installation
Figure 3 CAUTIONS Certain accessories, per specific schematics, can inhibit automatic transfer. Engine Gen-Set could start when engine control wires are attached. Figure 2 (Typical) GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 5: Initial Energization
This step is only performed if the NOTE Entelli-Switch 250 display Figure 4. The annunciation “DS” Option was purchased. LEDs illuminate to indicate (1) source availability, (2) ATS position, and (3) Entelli-Switch 250 control Close the external (up-stream) Source 1 function (timing). circuit breaker. NOTES... -
Page 6: Control Connections
Figure 5 shows the location of these terminals. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 7: Entelli-Switch 250 Microprocessor Controller
2 1 : 5 6 M O N 2 3 A P R 2 0 0 2 M O R E T E S T Entelli-Switch 250 Figure 7 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 8: Lcd & Keypad
SET and CFG menu will show the descriptions of The Entelli-Switch 250 has many logic options. Each the options (see pages 17-18). These menus are the very controller is downloaded with options at the time of same menus that are used to access the setting and/or manufacture. -
Page 9: User Setting For Voltage & Frequency
Once satisfied, the W timer will begin timing (see page 18). “Restore” must be a minimum of to transfer to Source 2. 1% below “Fail” setting. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 10: Accessory Group Packages
Denotes an Accessory with 2 circuits as a standard. Delayed Transition Units Only. Denotes an Accessory with 3 circuits as a standard. Optional for 40-400 Amp GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 11: Accessory Definitions
L3 Indicates Source 1 available. Can be configured by end user for 1, 7, 14, L4 Indicates Source 2 available. 28, 365 day cycle. (See page 16) GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... - Page 12 Source 1 to Source2). When synchronism is accomplished, Q3 input to allow transfer to Source 2. To enable Q3 transfer will take place. option, engage Q3 jumper. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com...
- Page 13 Should Source 1 fail, the Generator (Source 2), will automatically start. Once transferred in Manual, the Switch maintains position selected even if selected power fails. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com...
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Page 14: How To Set The System Clock
10. Press SAVE (this will enter this value and move cursor to month). 11. Use the up and down key up to change the month. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 15: Cdt One Event Timer Exerciser
(ATS in S2 position)= CDT (Exerciser) 2) Press MORE timing period +T (S1 stable Timer) timing period. 3) Press START TEST TIMER (to initiate Test). GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 16: Cdp Clock Exerciser
(24 Hour System) To save value and to To previous field move cursor to next or to exit screen. field to be changed. Figure 9 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 17: User Setup - Cfg Menu
Entelli-Switch 250 User Setup - CFG Menu Turn options ON or OFF via S1 OK 01 : 5 0 keypad through the CFG menu F RI 3 1 MAY 2 0 0 3 M ORE TEST Enter six digit access code... -
Page 18: User Setup - Set Menu
Entelli-Switch 250 User Setup - SET Menu Change adjustable values S1 O K 01: 50 through the SET menu. FRI 31 MAY 20 03 M ORE TEST Enter six digit access code (The factory assigned six-digit access code 1 VA B = ___... -
Page 19: User Setup - System Info
Entelli-Switch 250 User Setup - System Info View System Data S1 OK 01 : 5 0 Enter six digit access code FRI 31 MAY 2 0 03 (The factory assigned six-digit access code MO RE TE ST is located on the back of the controller) WARNING —PHASE TO PHASE VOLTAGE, S1 &... -
Page 20: Introduction
Source 1 after the time delay of the T timer. The U engine overrun timer allows the engine generator to run unloaded for a preset cool down period. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 21: Standard Transition
"U" time delay if desired. Upon completion of the to Engine Stop "U") begins its cycle to allow Source 2 Engine (U) timing cycle, the controller sends an Engine stop signal. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 22: Closed Transition
Source 2. The SEO limit switch activates to de-ener- gize the CCEO relay. The ATS has now closed back into Source 1 position without interrupting the load. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 23: Emergency Service Procedure For Extended Parallel Time
10)Re-connect the transfer switch to AUTO.* * As described in the Sequence of Operation section located in the ZTSCT/ZBTSCT Series Manual (71R-5000) GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 24: Sequence Of Operation
Time to S2 S1 Stable Time to S1 Delay Source 1 Transfer to Source 2 Transfer to Source 1 Engine Source 1 Fails Cooldown Returns GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 25: Closed Transition
Source 2. The SEO limit switch activates to de-ener- gize the CCEO relay. The ATS has now closed back into Source 1 position without interrupting the load. GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... -
Page 26: Relay/Transformer (R/T Box)
Transformer (1 VA) See Chart Transformer (25 VA) See Chart Transformer (25 VA) See Chart Transformer (1 VA) K-1274 Relay Flange Mounted K-1260 Coil Control Relay (24V) GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com... - Page 27 K-3225 50P-1036 230-240V K-3218 K-3226 50P-1037 277V K-3219 K-3227 50P-1038 380-400V K-3220 K-3228 50P-1039 416-440V K-3221 K-3229 50P-1040 460-480V K-3222 K-3230 50P-1041 575-600V K-3223 K-3231 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com...
- Page 28 CCN - COIL CONTROL RELAY (SOURCE 1) COMMON SINGLE PHASE SOURCE 2 SENSING 3-PHASE SOURCE 1 SENSING SOURCE 1 CONTROL POWER SOURCE 2 CONTROL POWER Figure 16 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com...
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Page 29: Troubleshooting & Diagnostics
HAZARDOUS VOLTAGES CAN CAUSE SEVERE INJURY OR DEATH. These charts may indicate problems that require authorized GE Zenith service personnel. Hazardous voltages may exist on termination plugs other than those that go into the Entelli-Switch 250. General Troubleshooting The following troubleshooting guide is used to recognize, second suspected fault. -
Page 30: Maintenance And Testing
When performing a hi-pot or dielectric test on the power section, DISCONNECT the GE Zenith can provide complete preventative main- control panel plugs from the microprocessor tenance services. Please contact the GE Zenith Technical to avoid potential damage. Services Department for additional information. GE Zenith Controls... - Page 31 GE Zenith Controls Entelli-Switch 250 Operation and Maintenance Manual (71 -2000) Get other manuals https://www.bkmanuals.com...
- Page 32 GE Zenith Controls A Product of GE Industrial Systems General Electric Company 830 West 40 Street, Chicago, IL 60609 USA 773 299-6600 , Fax: 773 247-7805 www.geindustrial.com Get other manuals https://www.bkmanuals.com...