GE ZTX Manual - Free PDF Download

Page 2 - Page; Table of Contents

Page Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ii Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 Equipment Inspection and Storage . . . . . . . . . 1 1 Final Equipment Inspection . . . . . . . . . . . . . . . 1 1 Mounting . . . ....

Page 3 - Mounting; Installation; DA N G E R; HAZARDOUS VOLTAGE; C AU T I O N

■ ■ GE Zenith Controls 1 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) 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. b. Description and operation of all accessories supplied. c....

Page 4 - Screw Type Terminals for External Power Connections; Power Connections

■ ■ 2 GE Zenith Controls ■ ■ ZTX Operation and Maintenance Manual (72R-1000) GENERATOR TERMINALS N BR UTILITY TERMINALS LOAD TERMINALS T1 T2 T3 N1 N3 E1 E3 E2 N2 T = Load N = Utility E = Generator OPTIONAL A4 CONTACT TION OPERATES WHEN IN ERAT UTILITY POSITION ILITY OPTIONAL A3 CONTACT TION OPERATES...

Page 5 - Control Connections; With all power off; Tightening Torque for Lugs; Socket Size

■ ■ GE Zenith Controls 3 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Installation (cont’d) Control Connections Connecting Engine Start may cause Generator tostart. Before connecting, turn Generator OFF. With the Generator breaker open and the Generator control switch off, install the Generat...

Page 6 - Battery and Holder

■ ■ 4 GE Zenith Controls ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Installation (cont’d) DA N G E R HAZARDOUS VOLTAGE (Can Cause Severe Injury or Death) Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components. ATTENTION! This applies only ...

Page 7 - Functional Test; ATS Timing Cycle; Preset Settings

■ ■ GE Zenith Controls 5 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Functional Test Functional testing of the automatic transfer switch(ATS) is described in this section. Before proceeding,read and understand all instructions and review theoperation of all accessories provided. To begin the...

Page 8 - System Voltage Settings; Frequency

■ ■ 6 GE Zenith Controls ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Installation (cont’d) DA N G E R HAZARDOUS VOLTAGE (Can Cause Severe Injury or Death) Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components. System Voltage Settings ZTX c...

Page 9 - Control Interface; Pushbuttons; Indicator

■ ■ GE Zenith Controls 7 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Control Interface Pushbuttons TEST - Pressed and held for 1 second Simulatesa power outage, starts the Generator andtransfers the ATS to S2. EXER SET - Sets an Automatic Exerciser BYPASS TIMER - Pressed while E is blinkingb...

Page 10 - Using the Keypad Controls; TEST KEY; TIMER BYPASS

Using the Keypad Controls TEST KEY The TEST KEY initiates a transfer sequence to S2 andholds the ATS in that mode until either the CANCELkey is pressed or, a situation arises to cause the ATS togo back to S1(ie, S2 actually fails). In order to perform a TEST, the ATS must be on S1 andS1 must qualify...

Page 11 - Automatic Generator Exerciser; Selecting Exerciser with or without Load Transfer; To completely clear an already-set Exerciser

■ ■ GE Zenith Controls 9 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Control Interface (cont’d) 28 Day B A JP4 JP5 14 Day B A JP4 JP5 7 Day B A JP4 JP5 21 Day B A JP4 JP5 Automatic Exerciser Jumper Settings No Load B A JP6 JP6 Load Figure 8 Automatic Generator Exerciser The ZTX automatic gen...

Page 13 - Example Systems; Partial Coverage System

■ ■ GE Zenith Controls 11 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Example Systems Circuit Breaker Main Breaker Panel All Loads UtilitySource Transfer Switch Circuit Breaker Generator Source Loads Utility Panel UtilitySource Transfer Switch Loads Circuit Breaker Distribution Panel Generat...

Page 14 - Typical Diagrams; CCN; OPTIONAL 3; Power Circuit Schematic 40-240 Amps

■ ■ 12 GE Zenith Controls ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Typical Diagrams E 3 N 2 CCN SN SCOM SE E2 N1N2 CCE E1 OPTIONAL 3 E 2 N3 2 4 1 5 6 10 1 3 Power Circuit Schematic 40-240 Amps Power Panel Layout Interconnect Plug Figure 11 Figure 12 Figure 13

Page 15 - Replacement Parts; Standard Transition — 40 to 200 Amps

■ ■ GE Zenith Controls 13 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Replacement Parts BR CN/CE SCN/SCE SP+L SN A4 SEA3 Standard Transition — 40 to 200 Amps TAG DESCRIPTION VOLTAGE CN/CE Solenoid Solenoid Plunger and Link SCN/SCE Coil Cutout Switch A3/A4 Auxiliary Contacts 120208220240 380/...

Page 16 - T1 T2 T3 TN

■ ■ 14 GE Zenith Controls ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Replacement Parts (cont’d) Standard Transition - 225 to 400 Amps Stock Numbers by Amperage Tag Description Recommended as Spares 225, 250* 260, 300* 400 Cable Connection Lug S-2701 N 1,2,3 NE 1,2,3 NT 1,2,3 N Wire Size #4-...

Page 17 - Troubleshooting; Symptom; Service must be performed by qualified personnel.

■ ■ GE Zenith Controls 15 ■ ■ ZTX Operation and Maintenance Manual (72R-1000) Troubleshooting Symptom Possible Cause Corrective Action S1 or S2 Available LED not lit Sources either fully or partially unacceptable Check for under voltage S1 or S2 breakers open Check for missing phase (s)Check for und...