Emerson 400A - Manual - manualsarea.com

Page 3 - Nameplate and Catalog Number Identification

Nameplate and Catalog Number Identification The Transfer Switch nameplate includes data for each specific ASCO Series 300 ATS. Use the ATS only within the limits shown on this nameplate. A typical Catalog Number is shown below with its elements explained.The example is for a Series 300 ATS with swit...

Page 5 - Supporting Foundation; NOTICE; Line Connections; ampere transfer switches.; Testing Power Conductors

SECTION 1 INSTALLATION 1 --- 1 Series 300 Automatic Transfer Switches are factory wired and tested. Installation requires skid removal then secur- ing the enclosure to the supporting foundation. Supporting Foundation The supporting foundation for the enclosure must belevel and straight. Refer to the...

Page 6 - INSTALLATION; Engine Starting Contacts; When normal source; Controller Ground; Section 5, Control Features; Connections to Controller for other Control Features

INSTALLATION (continued) 1 --- 2 Engine Starting Contacts The engine control contact connections are located onthe transfer switch. Connect signal wires to appropriate term– inals as specified in Table A, shown in Figure 1–2. Table A. Engine start connections. When normal source fails Terminals on t...

Page 7 - – Manual Operation Test; – Voltage Checks; Figure 1-4. Removable maintenance handle on

INSTALLATION (continued) 1 --- 3 Functional Test The Functional Test consists of three checks: manual operation, voltage checks, and electrical operation. NOTICE Do these checks in the order presented to avoid damaging the automatic transfer switch. Read all instructions on the Wiring Diagram and la...

Page 8 - Use extreme caution when using a meter to; – Electrical Operation

INSTALLATION (continued) 1 --- 4 observe these lights Figure 1–5. Standard controls and indicators. 2 – Voltage Checks First check nameplate on transfer switch; rated voltage must be the same as normal and emergency line voltages. Use extreme caution when using a meter to measure voltages in the fol...

Page 9 - Close the transfer switch enclosure door and; Transfer Test; automatic

INSTALLATION (continued) 1 --- 5 press this button observe these lights Figure 1–6. Standard controls and indicators. 3 – Electrical Operation This procedure will check the electrical operation of the Automatic Transfer Switch. Close the transfer switch enclosure door and tighten the screws before y...

Page 10 - Figure 2–1. Membrane controls and indicator lights.; SECTION 2 SEQUENCE OF OPERATION; Transfer To Emergency

Hold 15 sec. to start the engine generator and to transfer the load to emergency. Press to cancel the active exercise period (stops engine now or after cooldown) See page 5–1. Hold 5 sec. to set 20 min. engine exercise period immediately (engine starts) and weekly thereafter. ³ blinks slowly when bu...

Page 11 - SECTION 3 TESTING & SERVICE; PREVENTIVE MAINTENANCE; Operate the switch at least once a month; Transfer Switch Test; Checklist for Yearly Inspection; Hazardous voltage capable of causing shock,; Clean the enclosure; Check the transfer switch contacts; DISCONNECTING THE CONTROLLER; Disconnecting the Plugs; Section 1; Bypass Time Delay

SECTION 3 TESTING & SERVICE 3 --- 1 PREVENTIVE MAINTENANCE For high reliability and long life for the ATS: Operate the switch at least once a month . Perform this 4–step Electrical Operation Test (test with load transfer). Transfer Switch Test 1. Press and hold the door-mounted Transfer Test but...

Page 12 - MANUAL LOAD TRANSFER; Manual Operation Test; Section 5; PROBLEM; Trouble-Shooting the Motor Load Transfer Feature

TESTING & SERVICE (continued) 3 --- 2 MANUAL LOAD TRANSFER This procedure will manually transfer the load if the controller is disconnected. Do not manually operate the transfer switch until both power sources are disconnected: open both circuit breakers. 1. Open normal and emergency source circ...

Page 13 - SECTION 4 ADJUSTMENTS; Time Delay Adjustment; Shaded DIP switches are standard factory settings).

SECTION 4 ADJUSTMENTS 4 --- 1 Time Delay Adjustment Standard time delays are set to customer specifications(if none specified, standard factory settings are used). To change a setting, follow procedure on page 4-2. UseTable 4-1 as a guide to time delay values and their cor-responding adjustment DIP ...

Page 14 - ADJUSTMENTS; How to Change a Setting; off; Close the transfer switch enclosure door.

ADJUSTMENTS (continued) 4 --- 2 NOTICE Do not make any setting changes while the controller is energized. How to Change a Setting 1. Prevent the transfer switch from operating by discon- necting one source first, then the other, as follows: a. If the transfer switch is in the Normal position,open th...

Page 15 - SECTION 5 CONTROL FEATURES – ENGINE EXERCISERS; push button is pressed (and; Shaded DIP switches are standard factory settings.; Select below either; NOTE

SECTION 5 CONTROL FEATURES – ENGINE EXERCISERS 5 --- 1 These timers periodically exercise the emergency engine-generator plant. They can be set to exercise with or withoutload transfer, or they can be completely disabled. The engine-generator should be exercised under load once a week fora minimum t...

Page 16 - CONTROL FEATURES; Optional Accessory 11BG – SOURCE AVAILABILITY SIGNAL; Source; Programmable Engine Exerciser

CONTROL FEATURES (continued) 5 --- 2 Optional Accessory 11BG – SOURCE AVAILABILITY SIGNAL & PROGRAMMABLE ENGINE EXERCISER MODULE 2–line display 3 buttons connections for source availability signal contacts Figure 5–2. Accessory 11BG module (mounted behind operator interface and connected to the ...

Page 17 - Every

Fast/Slow Adjust Daylight Saving Time Adjust Date Time Start TIme Engine Exerciser Run TIme CONTROL FEATURES (continued) 5 --- 3 How to Set Optional Programmable Engine Exerciser (part of Acc. 11BG module) Hazardous voltage capable of causing shock, burns, or death is used in this transfer switch. D...

Page 18 - INPHASE MONITOR; Note; LOAD DISCONNECT FEATURE; Delay After Transfer*; REMOTE CONTROL FEATURES

CONTROL FEATURES (continued) 5 --- 4 INPHASE MONITOR FOR MOTOR LOAD TRANSFER Inphase monitoring logic controls transfer andretransfer of motor loads, so that inrush currents do notexceed normal starting currents. It avoids nuisancetripping of circuit breakers and mechanical damage tomotor couplings....

Page 19 - Turn the thermostat’s dial to required setting as shown.; AVAILABLE KITS; Controls

CONTROL FEATURES (continued) 5 --- 5 OPTIONAL STRIP HEATER (Accessory 44) Accessory 44 Strip Heater is designed to keep ambienttemperatures within the Automatic Transfer Switchenclosure at acceptable levels. This accessory consistsof a mounting bracket with strip heater, thermostat, andterminal bloc...

Page 20 - INDEX; see

INDEX Printed in U.S.A. Copyright --- ASCO Power Technologies, L.P. 2011 A accessories, 5–2, 5–5auxiliary circuits, 1–2 B battery, 4–2, 5–1buttons, push, 3–1bypass time delay, 1–5, 2–1, 3–1 C cable lugs, preparation, 1–1 catalog number, covercleaning, 3–1connections engine control contact, 1–2 line,...

Emerson 400A - Manual

Table of Contents:

Summary

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