Automatic Transfer Switch. 3.6.1. The automatic transfer switch shall be sized to the maximum capacity of the emergency generator and have an ampere rating equal or greater than the rating of the engine mounted circuit breaker.
Automatic Transfer Switch. 1. Install transfer switch in accordance with manufacturer's instructions.
Automatic Transfer Switch. Inspect ATS & enclosure for corrosion, moisture • Inspect controls and calibrate as needed • Exercise clock-check and verify operation • Record normal and emergency frequency/voltage at ATS connection • Perform power failure or building load test (with approval), check/ record amperage/voltage on each leg • Check transfer switch contacts for voltage drop(normal and emergency) • Retrun all switches into proper operating mode De-Energized • Check all terminal connections for tightness • Re-torque connections, TS mounting, contact mounting and terminals strips Disabled • Inspect all insulation for degradation • Inspect barries and arc chutes • Inspect Transfer Switch coil, rectifier and resistors (OHMS) • Inspect the coil and contacts of: o Selector relay o Lockout relay o Arming relay o Voltage relay o Normal relay o Emergency relay o All other accessory relays • Inspect all timers • Inspect and infared arcing contacts where possible • Inspect and infared main contacts where possible • Inspect linkage and lubricate as needed • Clean the exposed Transfer Switch coil core and lubricate • Clean Transfer Switch enclosure and controls • Inspect and lubricate cabinet hardware for proper operation • Re-lubricate the Transfer Switch operator and pivot points • Replace defective indicator bulbs Energized • Record utility voltage • Record utility amperage • Record peak amperage • Check for proper operation of the transfer switch, timers, relays, remote start contacts, exercisers, phase monitors, and record settings • Check for voltage drop across the main current carrying contacts • Check for excessive heat build-up with infared thermometer • Record emergency voltage • Record emergency frequency • Inspect all optional accessories Bypass/Isolation Switches • Inspect arcing contacts • Inspect main contacts • Inspect barrier and arc chutes • Inspect linkage and lubricate as needed • Check engine start bypass contacts for proper operation • Inspect all safety interlocks Close Transition Transfer Switches • Check closed transition bypass operation • Check alarm time delay settings Miscellaneous Items • Replace 9V ATS batteries as needed Reports and Instruction • Submit inspection/ test report to owner, with any recommendations of future work/ parts required • Instruct owner personnel in operating or upkeep procedure PREVENTATIVE MAINTENANCE AGREEMENT EVAPAR, will perform two (2) visits annually. One (1) Inspection with and one (1) Full Service, at six (6) month intervals. ...
Automatic Transfer Switch. This section shall contain detailed information that defines particular Field Tests to be performed to verify that the Automatic Transfer Switch meets the requirements of the RFP.
Automatic Transfer Switch. A. Supply new automatic delayed transition transfer switch (ATS) and associated microprocessor-based control module.
