g ZTX SERIES 40-400 Amps GE Zenith Controls 62 R -20 0 0C 7/02 Operation and Maintenance Manual
Authorized Service For GE parts and service, call: 773 299-6600 Table of Contents Page Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1ii How to Remove the Cover . . . . . . . . . . . . . . . . . . .11 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Equipment Inspection and Storage . . . . . . . .12 Final Equipment Inspection . . . . . . . . . . . . . .12 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Power Connections . . . . . . .
How to Remove the Cover Loosen but do not remove four cover screws. Lift cover off the four screws and hang on two screws (2 bottom or 2 right-hand). See Figure i and ii. This will prevent damage to the cable. The cable may also be disconnected at the controller or keypad. NOTE: Reattach cable before installing cover. DANGER HAZARDOUS VOLTAGE Will shock, burn or cause death. Do not remove cover until ALL power is disconnected. Re-installation of cover is required after maintenance or service.
Installation DANGER 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. The safe operation of your switch is GE Zenith’s focus. The proper storage, installation, operation and maintenance will help increase the life of the switch. NOTE: 5. CAUTION Make sure that all covers and barriers are installed and properly fastened.
Installation (cont’d) DANGER 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. Connect the Normal, Emergency, and Load conductors to the clearly marked terminals on the transfer switch. Remove surface oxides from cables by cleaning with a wire brush. Verify that all connections are correct before tightening the lugs.
Installation (cont’d) DANGER 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. Control Connections Note: N = Utility Position E = Generator Position Connecting Engine Start may cause Generator to start. Before connecting, turn Generator OFF. Figure 4 1 2 3 JP A B With the Generator breaker open and the Generator control switch off, install the Generator start connections.
Installation (cont’d) DANGER 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 to the switches with the RM4-CAT exerciser option: Upon installation, connect the MX50/90 controller to a 9V battery (not supplied) via the harness that is connected to the controller. The battery should be placed in the holder installed just above the controller.
Installation (cont’d) DANGER 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. Functional Test Functional Test The functional testing of the transfer switch consists of electrical tests described in this section. Before proceeding, read and understand all instructions and review the operation of all accessories provided.
RM4 Control Interface (Optional ) DANGER 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. Optional Indicator LEDs A Utility available Green LED. When on, indicates the utility source is acceptable. B Utility position Green LED. When on, indicates that the transfer switch is connected to the utility. C Generator available Red LED. When on, indicates the generator source is acceptable.
RM4 Control Interface (Optional ) (cont’d) DANGER 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. Automatic Transfer Generator Testing (One Time Test) Transfer Generator Testing (Forcing Operation with Keypad) Verify that the transfer switch UTILITY available and position LEDs are illuminated. A B Verify that the transfer switch UTILITY available and position LEDs are illuminated.
RM4 Control Interface (Optional ) (cont’d) DANGER 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. Automatic Generator Exerciser DANGER The automatic generator exerciser comes preset with a 28-day exerciser schedule (the customer unit’s preset day cycle may vary due to specifications from the generator supplier).
Engine Controller Accessory Board (Optional) Oil Pressure Sensor Input Fuel/Run Contact Output (Oil pressure contact to be normally open, held closed by adequate oil pressure) Approximately five seconds after emngine starter signal is sent, if terminal X3 is open to ground or returns to open state thereafter the generator Starter and Fuel/Run outputs are opened and locked out.
Example Systems Partial Coverage System Loads Transfer Switch Utility Source Circuit Breaker Generator Source Utility Panel Loads Distribution Panel Total Coverage System Transfer Switch Utility Source Circuit Breaker Circuit Breaker Generator Source Main Breaker Panel All Loads ■ GE Zenith Controls ZTX Operation and Maintenance Manual (62R-2000) 11 ■
Typical Diagrams Power Circuit Schematic Power Panel Layout Interconnect Plug 5 1 CCN SN SCOM SE E2 N1 N2 CCE E1 10 6 OPTIONAL 3 4 2 ■ 12 ZTX Operation and Maintenance Manual (62R-2000) N2 E3 N3 E2 3 1 GE Zenith Controls ■
Troubleshooting DANGER 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. Service must be performed by qualified personnel.
Troubleshooting (cont’d) DANGER 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. Service must be performed by qualified personnel.
■ GE Zenith Controls ZTX Operation and Maintenance Manual (62R-2000) 15 ■
g GE Zenith Controls GE Industrial Systems – Power Equipment Business 830 W. 40 th Street, Chicago, IL 60609 USA 773 299-6600, Fax: 630 850-6899 www.zenithcontrols.
