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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Equipment Inspection and Storage . . . . . . . . . 1 Final Equipment Inspection . . . . . . . . . . . . . . . 1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Power Connections . . . . . . . . . . . . . . . . . . . . . . 2 Engine Start Control Connections . . . . . . . . . 3 Exerciser Option . . . . . . . . . . . . . . . . . . . . . . . . 4 Functional Test . . . . . . . . . . . . . . . . . . . . . . . . . 5 Jumper Positions . . . . . . . . . . . . . . . . . . . . . . . . .6 Control Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Indicator LED’s . . . . . . . . . . . . . . . . . . . . . . . . . 7 Pushbuttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Using the Keypad Controls . . . . . . . . . . . . . . . . 8 Automatic Generator Exerciser . . . . . . . . . . . . 9 In-Phase Monitor Operation . . . . . . . . . . . . . 10 Page Example Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 Partial Coverage Systems . . . . . . . . . . . . . . . . .11 Total Coverage Systems . . . . . . . . . . . . . . . . . . .11 Typical Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 Power Circuit Schematic . . . . . . . . . . . . . . . . . .12 Power Panel Layout . . . . . . . . . . . . . . . . . . . . . .12 Interconnect Plug . . . . . . . . . . . . . . . . . . . . . . .12 Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . .13 Standard Transition 40-200 Amps . . . . . . . . . .13 Standard Transition 225-400 Amps . . . . . . . . .14 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 Introduction GE Zenith Transfer Switches are used to provide a continuous source of power for lighting and other critical loads by automatically transferring from source 1 power to source 2 power in the event that source 1 voltage falls below preset limits. Voltage sensing and system control is performed via a state-of-the-art microcontroller located on the cabinet door. 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. NOTES: A protective device such as a molded case circuit breaker or fused disconnect switch MUST be installed on both sources of incoming power for circuit protection and as a disconnection device. All references made within this manual about the term “S1” or “Source 1” relate to a Normal Power Source. All references made about the term “S2” or “Source 2” relate to an Emergency or Alternative Power Source. 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. CAUTION Due to hazardous voltage and current, GE Zenith recommends that a GE Zenith Certified technician or a qualified electrician must perform the installation and maintenance of the switch. Equipment Inspection and Storage Once you have received the transfer switch, inspect it for any damage. This includes damage to the enclosure, power panel, control panel and wiring harness. If any damage is found or suspected, file a claim as soon as possible with the carrier and notify the nearest GE Zenith representative. Before installation, it is necessary to store the transfer switch in a clean dry place, protected from dirt and water. Provide ample air circulation and heat, if necessary, to prevent condensation. Storage Temperature Operating Temperature (Ambient): Humidity -30°C to -20°C to +65°C 5% to 95% +75°C (-4°F to +149°F) (non-con(- 22°F to densing) +167°F) Final Equipment Inspection Prior to energizing the transfer switch: 1. Remove any debris incurred, with a vacuum, due to shipment or installation. WARNING Do not use a blower since debris may become lodged in the electrical and mechanical components and cause damage. 2. Verify that all cabled connections are correct. 3. Check engine start connections and verify the correct connection of all control wires. 4. Check the lug torque values of the power connections. NOTE: Lug torque values are specified in the power panel manual. 5. Make sure that all covers and barriers are installed and properly fastened. NOTE: Power panels ship from GE Zenith in the Normal Position. 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. Power pan...