YELLOWTAIL LOW VOLTAGE TRIP UNITS Solicitation ID/Procurement Identifier: 140R4021Q0078 Ultimate Completion Date: Mon Oct 25 17:00:00 GMT 2021
YELLOWTAIL Low Voltage Trip Units
CONTACTS TO BE GOLD PLATED FOR LOW VOLTAGE SERVICE. h. A CONTACT THAT OPENS WHEN NORMAL SOURCE FAILS FOR INITIATING ENGINE STARTING, RATED 10 AMPS, 32 VDC. CONTACTS TO BE GOLD PLATED FOR LOW VOLTAGE SERVICE. i. GREEN SIGNAL LIGHT TO INDICATE WHEN THE AUTOMATIC TRANSFER SWITCH IS CONNECTED TO THE NORMAL SOURCE. A RED SIGNAL LIGHT TO INDICATE WHEN THE AUTOMATIC TRANSFER SWITCH IS CONNECTED TO THE EMERGENCY SOURCE. j.
Computer center A812 Liebert units on 208V emergency power, however Condensing units are 480V fed from SB1 to 5th floor penthouse not backed up by emergency power which does not allow operation during 480V outages.
Prior to cleaning the unit, perform as-found tests, ifrequired. 4. Clean the unit 5. Operate the circuit breaker to insure smooth operation. 6. Inspect bolted electrical connections for high resistance using one or more of the following methods: l. Use ofa low-resistance ohmmeter in accordance with Section 7.6.1.1.B.I 2.
NOTE: This category consists of power transformers with windings rated higher than 600 volts and low-voltage transformers larger than 167 kV A single-phase or 500 kV A three-phase. 1. . Visual and Mechanical Inspection l. Inspect physical and mechanical condition including evidence of moisture and corona. 2. Inspect anchorage, alignment, and grounding. 3. Prior to cleaning the unit, perform as-found tests, ifrequired. 4. Clean the unit. 5.
Unit SWITCHBOARD ASSEMBLIES: LOW VOLTAGE • Visual and Mechanical Inspection. • Document equipment nameplate data. • Inspect physical, electrical, and mechanical condition of switchboard/switchgear and all components. • Confirm correct application of lubricants at manufacturer's recommended locations. • Verify tightness of accessible bolted electrical connections by calibrated torque-wrench. • Confirm correct operation and sequencing of electrical
