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Topic: Automatic Transfer Switch (Read 887 times) previous topic - next topic

Automatic Transfer Switch

I  need to replace an inoperative ATS. I have the new Iota ATS TN RV supplies currently for replacement.

I have the installation figured out, I think. The only thing I do not understand is the operation of the SECOND ATS which services the inverter. I need to know how this switch functions and what exactly triggers it to open and close.

Any help out there?

Re: Automatic Transfer Switch

Reply #1 –
Quote
I need to know how this switch functions and what exactly triggers it to open and close.
The second transfer switch under the bed is fed by 2 sources and powers a breaker box.
That breaker box powers items that can be run on the inverter.
The 2 sources of power are the inverter or 110VAC from the 110vac breaker panel.
Here is a diagram of mine. yours should be similar.

The selected media item is not currently available.Barry BEAM #16014
2003 U320 40' AGDS
Beamalarm, Foretravel technical help and specifications
"Whatever the mind can conceive and believe, it can achieve"

Re: Automatic Transfer Switch

Reply #2 –
Thanks, Barry.

I still do not understand what activates the relay. If the shore power is connected is the relay activated? Or is it activated by the inverter being on?

I guess what is confusing me is I do not know what the PURPOSE of the 2nd ATS is; does it prevent the inverter from transferring power to the coach, or does the shore power/generator a.c. prevent the inverter from powering its outlets.

Re: Automatic Transfer Switch

Reply #3 –
Quote
I still do not understand what activates the relay. If the shore power is connected is the relay activated?
Yes, and it powers the breaker box.
If you lose 110vac and the inverter is on , the inverter will power the breaker box now because the relay has lost 110vac power.
Quote
I guess what is confusing me is I do not know what the PURPOSE of the 2nd ATS is; does it prevent the inverter from transferring power to the coach, or does the shore power/generator a.c. prevent the inverter from powering its outlets.
As long as you have 110vac you dont need the inverter powering the breaker box.
So the shore power/generator a.c. prevents the inverter from powering its outlets until you lose power and the relay switches.
The selected media item is not currently available.Barry BEAM #16014
2003 U320 40' AGDS
Beamalarm, Foretravel technical help and specifications
"Whatever the mind can conceive and believe, it can achieve"