Download Series 300 Frequently Asked Questions Features

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For G300 (1000-3000A)
How do I perform a transfer test?
Press transfer switch test button and hold it for 15 seconds or until the generator starts and a transfer occurs.
How do I set the transfer time delays?
Refer to table 4-1 for the corresponding adjustment. Click here for the DIP switch and Potentiometer location.
How does the transfer switch work?
(For detailed explanation, refer to section 2 of the operator’s manual)
For Non-Automatic Transfer Switches: Transfer switch operation is performed manually, as well as cranking
and starting of the generator; the transfer switch time delays are set the same as the automatic transfer switch.
The ATS controller monitors the voltage and frequency of normal and emergency. When the normal voltage
(utility voltage) fails (The voltage is below the drop-out setting), the controller waits 1 to 3 seconds before it
starts the generator. After the delay of 3 seconds, and normal voltage doesn’t pick-up (The voltage reaches the
pick-up setting), the ATS starts the generator and goes through another time delay (N/E timer) to monitor its
voltage and frequency. Once the timer expires, and utility voltage does not pick-up, the load transfers to
emergency. The load stays on emergency until utility power is restored. When utility power is restored, the ATS
initiates another time delay (E/N timer) before it retransfers to normal. After the time delay expires, the load
retransfers to utility and the generator goes to cool down cycle for 5 minutes. Then the generator automatically
shuts down.