Installation Guide

6. Locate the transfer handle; insert the metal end into the slot in the main contactor assembly.

Pull the handle DOWN to move the main contacts to the standby power (generator) position.

NEVER OPERATE THE TRANSFER SWITCH MANUALLY WHEN LOADS ARE CONNECTED.

ATS Transfer Transfer Lug

Handle

7. Locate the transfer handle; insert the metal end into the slot in the main contactor

assembly. Pull the handle DOWN to move the main contacts to the standby power

(generator) position. NEVER OPERATE THE TRANSFER SWITCH MANUALLY WHEN LOADS

ARE CONNECTED.

8. Place generator in MANUAL mode before initiating start. After warmup, transfer the

generators main breaker in the ON position. At this point, the system is now supplying

electrical power to the ATS but is not applying any electrical load

9. Check to be sure that voltage and frequency from the generator is correct. If voltage to the

line is not at least 240 volts, reference TR20REG-DB Owner’s Manual for proper corrective

procedures. If line-to-neutral voltage is not approximately 120 volts, check the neutral

connection between the ATS and generator.

10. Transfer the generator’s main circuit breaker to OFF position and put the mode switch in the

OFF position to shut down the generator.

11. With utility power still OFF, use the switch handle to move the main contacts to the Utility

power ON position.

12. Transfer the main breaker to turn utility power ON.

13. Transfer generator’s main breaker to ON position and set the ATS switch in AUTO mode.

14. To test, SHUT OFF utility power. Generator should start automatically after the time set delay

has expired.

18-SG02D1-1A-EN