GE Entelli-Switch 250 manual Standard Transition R/T Box Schematic

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Relay/Transformer (R/T Box) (cont’d)

Standard Transition R/T Box Schematic

20	21	22					30	31	32
		XN1		XN2		XE1			XE2
24V		10V	11V	10V	24V	10V	11V		10V

900 (18)

800

907

CCN	CCE	GND
		GND

901

801

902

903

904

803

804

807

806

805

906

905

(1)

J5

XN1 - SOURCE 1 CONTROLTRANSFORMER

XN2 - SOURCE 1 3 PHASE SENSINGTRANSFORMER XE1 - SOURCE 2 CONTROLTRANSFORMER

XE2 - SOURCE 2 3 PHASE SENSINGTRANSFORMER

SOURCE 2 24V OUTPUT

SOURCE 1 24V OUTPUT

3 PHASE SOURCE 2 SENSING

(BLANK)

(BLANK)

GROUND

CCE - COIL CONTROL RELAY (SOURCE 2) 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 15

Delayed / Closed Transition R/T Box Schematic

		20	21	22			30	31	32
											XN1 - SOURCE1 CONTROLTRANSFORMER
											XN2 - SOURCE1 3 PHASE SENSINGTRANSFORMER
		XN1		XN2			XE1		XE2		XE1 - SOURCE 2 CONTROLTRANSFORMER
						24V	10V				XE2 - SOURCE 2 3 PHASE SENSINGTRANSFORMER
	24V	10V	11V	10V		24V	10V	11V	10V
									900 (18)		SOURCE 2 24V OUTPUT
									800		SOURCE 1 24V OUTPUT
									907		SOURCE 1 24V OUTPUT
									907		3 PHASE SOURCE 2 SENSING
											3 PHASE SOURCE 2 SENSING
									808		CCEO - COIL CONTROL RELAY (OPEN SOURCE 2)
									908		CCEO - COIL CONTROL RELAY (OPEN SOURCE 2)
CCEO	CCN				CCNO	CCE			908		CCNO - COIL CONTROL RELAY (OPEN SOURCE 1)
CCEO	CCN				CCNO	CCE			GND		CCNO - COIL CONTROL RELAY (OPEN SOURCE 1)
									GND		GROUND
											GROUND
									901		CCE - COIL CONTROL RELAY (SOURCE 2)
									801		CCE - COIL CONTROL RELAY (SOURCE 2)
									801		CCN - COIL CONTROL RELAY (SOURCE 1)
									902		CCN - COIL CONTROL RELAY (SOURCE 1)
									902		COMMON
											COMMON
									903		SINGLE PHASE SOURCE 2 SENSING
									904		SINGLE PHASE SOURCE 2 SENSING
									904
									803
									804		3-PHASE SOURCE 1 SENSING
											3-PHASE SOURCE 1 SENSING
									807
									806		SOURCE 1 CONTROL POWER
									805		SOURCE 1 CONTROL POWER
									805
									906		SOURCE 2 CONTROL POWER
									905	(1)	SOURCE 2 CONTROL POWER
									905	(1)
										J5

Figure 16

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Entelli-Switch 250 Operation and Maintenance Manual (71R-2000)

GE Zenith Controls ■

Image 28

Contents GE Zenith Controls Table of Contents Authorized ServiceIntroduction Equipment Inspection and Storage Safety / InstallationFinal Equipment Inspection Engine Start Control Connections Installation cont’dInitial Energization Initial Energization cont’d R E T E S TInstallation cont’d Entelli-Switch 250 Controller Entelli-Switch 250 ControllerEntelli-Switch 250 Controller cont’d LCD & KeypadUser Setting for Voltage & Frequency Accessory Group Packages Stds Exes Cons Sens Spes PsgsA62 Accessory DefinitionsCalibrate Accessory Definitions cont’d Approximate out of phase degrees S12PS13P S14How to Set the System Clock Press More and scroll to SET System Clock using the More keyCDT One Event Timer Exerciser Press Exer Cancl Press Start Timer TestPress Bypass Exer Press Cancl BpassCDP Clock Exerciser Load / No-Load Clock ExerciserEntelli-Switch 250 User Setup CFG Menu Turn options on or OFF via keypad through the CFG menuEntelli-Switch 250 User Setup SET Menu Change adjustable values through the SET menuEntelli-Switch 250 User Setup System Info View System DataTesting IntroductionTest Options Auto PositionTesting cont’d ATS TestingDelayed Transition Standard TransitionInitiating a Closed Transition Closed TransitionRe-Transfer with Closed Transition Auto Location Emergency Service Procedure for Extended Parallel TimeTest Location Sequence of Operation ATS TypeSequence of Operation cont’d Amp Molded Power Section Transformer Usage see Figure Relay/Transformer R/T BoxDelayed / Closed Transition Relay/Transformer R/T Box cont’dStandard Transition R/T Box Schematic Delayed / Closed Transition R/T Box SchematicTroubleshooting and Diagnostics General TroubleshootingMaintenance and Testing Inspection and CleaningTesting ServicingPage GE Zenith Controls