INSTALLATION (continued)
Engine Starting Contacts
All customer connections, including the engine control contact connections, are located on terminal block TB which is mounted on the top right side of the enclosure. Refer to the wiring diagram provided with the automatic transfer switch and connect the engine start wires to the appropriate terminals. See Figure
Table A. Engine start connections.
When normal source | Terminals on |
fails | Terminal Block TB |
contact closes | TB1 and TB2 |
contact opens | TB1 and TB3 |
Note: To temporarily disable engine control from the automatic transfer switch you can unplug J3 from the small P3 receptacle at the bottom of the assembly. Be sure to reconnect plug J3 to the P3 receptacle for automatic transfer switch operation.
Auxiliary Circuits
Connect auxiliary circuit wires to appropriate terminals on transfer switch terminal block TB as shown on the wiring diagram provided with this automatic transfer switch.
engine start connections on customer terminal block TB
Figure
side of the enclosure.
Functional Test
The Functional Test consists of two checks:
❐1 — Voltage Checks, page
❐2 — Electrical Operation, page
Do these checks in the order presented
to avoid damaging the 7ADTB.
Read all instructions on the Wiring Diagram and labels affixed to the automatic transfer &
Continue to 1 – Voltage Checks on next page.