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How to test the rectifier?

A bridge rectifier is composed of diodes. There are two ways to test a diode. A. Through a Diode Test First, make sure to disconnect the white wires and black wires from the bridge rectifier. Then,...

What is the operating temperature of the ATS?

The standard operating temperature of the ATS is from -5 to 40 ºC or 23 to 104º F . For the control panel, the range is from –20 to 60 º C or –4 to 140 º F .

What are the different ASCO ATS transition modes?

Transfer switching modes differ in the sequence of operation to support specific applications. The following is a brief summary of their differences. OPEN TRANSITION In their standard configurations,...

How to set the engine exerciser on Series 300 Transfer Switch with a Group...

The Engine Exerciser can be set from the Group G Controller’s User Interface Screen Navigation Follow the sequence of buttons (in yellow) to get to the Engine Exerciser Menu From the Home/Control...

Is it okay not to use the neutral provided in the transfer switch?

Answer: If the application does not require a neutral, the answer is YES , it is okay not to use / utilize the neutral conductor provided / available in the transfer switch. ASCO transfer switches...

What to do when the controller displays random characters?

The ATS controller may sometimes display random characters. In most cases, the transfer switch operation is not affected and the indicator lights may still show the correct status. When this happens,...

What should I do if Utility Acceptable light does not come on when utility...

This troubleshooting guide describes some of the issues that may be encountered with the operation/set-up of the automatic transfer switch. Troubleshooting beyond the scope of this guide should not...

What are the Moving Guidelines for Transfer Switches?

Care must be exercised in moving and transporting ASCO Power Transfer Switches. Permanent damage to the connectors, guides, and frame can occur if improperly moved, voiding the ASCO warranty. A...

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Learn more through our Generic Knowledge FAQsGeneral Knowledge

What is the difference between in-sync and in-phase?

There is often confusion between the in-phase and the In-sync features of ASCO transfer switches. It is important to understand the difference between these features especially during the process of...

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