Emerson 7000 SERIES 7ADTB - Manuals

Page 2 - Remove the Shipping Skid; To prevent serious damage, remove three; remove 3 shipping

SECTION 1 INSTALLATION 1 --- 1 The ASCO 7000 Series Automatic Delayed–TransitionTransfer & Bypass–Iolation Switch (ADTB) consists ofan upper bypass–isolation switch, a transfer switch, amonitoring and transfer control panel, and door–mounted controls. The ADTB is factory wired andtested. Install...

Page 3 - INSTALLATION; Wiring Diagram

INSTALLATION (continued) 1 --- 2 De–energize the conductors before making any line or auxiliary circuitry connections. Be sure that Normal and Emergency line connections are in proper phase rotation. Place engine gen- erator starting control in the OFF position. Make sure engine generator is not in ...

Page 4 - Functional Test; Wiring Diagrams; Section 3; – Voltage Checks; Use extreme caution when using a meter

INSTALLATION (continued) 1 --- 3 RED RED GREEN GREEN observe these lights AMBER Figure 1-3. Standard controls and indicators. Functional Test Read all instructions on the Wiring Diagrams and labels affixed to the ADTB. Note the control features that areprovided and review their operation before proc...

Page 5 - – Electrical Operation; Transfer Test; automatic; Isolation Handle; TEST; Retransfer Delay Bypass; CONN; Bypass Handle

INSTALLATION (continued) 1 --- 4 RED RED GREEN GREEN observe these lights AMBER operate this switch Figure 1-4. Standard controls and indicators. 2 – Electrical Operation This procedure checks electrical operation of the ATS. Be sure to close the enclosure door before proceeding to prevent personal ...

Page 6 - SECTION 2 TESTING & SERVICE; TRANSFER TEST; Engine Control; Auto; Electrical Operation – Transfer; PREVENTIVE MAINTENANCE; lubrication kit; REPLACEMENT PARTS; Return to Service

SECTION 2 TESTING & SERVICE 2 --- 1 TRANSFER TEST Test the Automatic Delayed–Transition Transfer Switch portion of the 7000 Series ADTB at least once a month. This procedure checks the electrical operation of the Transfer Switch and Controller. Turn the Engine Control switch to Auto and put the ...

Page 7 - MANUAL LOAD TRANSFER; CLOSED; MAINTENANCE HANDLE

TESTING & SERVICE (continued) 2 --- 2 TROUBLE-SHOOTING Note any optional accessories that may be furnished on the ADTB and review their operation. Refer to any separate drawings and/or instructions that may be packed with the ADTB. Hazardous voltage capable of causing shock, burns, or death is u...

Page 8 - SECTION 3 BYPASSING & ISOLATING; You can only bypass to the same source; To Bypass Normal Source*; ISOLATING

SECTION 3 BYPASSING & ISOLATING 3 --- 1 BYPASSING THE ATS* This procedure explains how to Bypass the closed automatic transfer switch contacts. Bypassing is required before the ATS can be tested or isolated. The Bypass Handle must be in the OPEN position (green indicator) and the Isolation Handl...

Page 9 - BYPASSING & ISOLATING; ISOLATING THE ATS; BYPASSING

BYPASSING & ISOLATING (continued) 3 --- 2 ISOLATING THE ATS Isolating is required before any service work can be performed on the automatic transfer switch (ATS). Refer to Figures 3–4, 3–5, 3–6, and 3–7. 1. Bypass the closed automatic transfer switch contacts. See BYPASSING on page 3–1. Align po...

Page 10 - RETURN TO SERVICE; To change the position of transfer switch; NOTE

BYPASSING & ISOLATING (continued) 3 --- 3 RETURN TO SERVICE This procedure explains how to return the automatic transfer switch (ATS) to service after inspection and maintenance. Observe the Bypass Switch Position indica- tor and lights). Refer to Figures 3–7, 3–8, 3–9, and 3–10. 1. Slide the tr...

Page 11 - To Un–Bypass Normal Source*

BYPASSING & ISOLATING (continued) 3 --- 4 RETURN TO SERVICE continued* This procedure explains how to return the Bypass Switch Handle to the OPEN position. The Bypass Handle must be in the CLOSED position (yellow indicator on NOR- MAL or EMERGENCY ) and the Isolation Handle must be in the TEST p...

Page 12 - INDEX; Controller User’s Guide

INDEX Printed in U.S.A. Copyright ASCO Power Technologies, L.P. 2007 A auxiliary circuits, 1–2 B bus connections, 1–2bypassing the ATS, 3–1 C catalog number, covercleaning, 2–1connections line, 1–1 controller disconnecting, 2–1 see Controller User’s Guide E electrical operation, 1–4Emergency Source ...