Your last generator Maintenance Run

[grsthegreat]

I installed a brownout protection kit on mine, just so there no issue. Usually the problem is so someone leaving manual handle in switch and lid closed.

 

[RoyKing]

The coils are on AC the bridge feeds the cap so that is to control the arc and surge so that contactors don't burn out.

 

[Popgadget]

The coils are on AC the bridge feeds the cap so that is to control the arc and surge so that contactors don't burn out.

That’s not what the schematic shows. There is no capacitor, and the the transfer contacts are not in the circuit at all, they are just mechanically operated by the coils.

 

[RoyKing]

I was wrong didn't read the legend, There is one more relay that is inside load balancer on that systematic that has been moved outside on the newer models
Generac automatic transfer switch explained, demo - YouTube
The thyristor stops voltage surges, probably use DC because they are cheaper.

 

[Industrial Toys]

That's what I HATE about the world today. There was a time, not long ago, that you could pick up the telephone and ask the guy that designed the circuit! You still find that once in a blue moon, and it's a light years different conversation than talking to someone at "TECH SUPPORT" who often don't have a technical or mechanical bone in their body!

 

[Popgadget]

That's what I HATE about the world today. There was a time, not long ago, that you could pick up the telephone and ask the guy that designed the circuit! You still find that once in a blue moon, and it's a light years different conversation than talking to someone at "TECH SUPPORT" who often don't have a technical or mechanical bone in their body!

And that is exactly what brought me here to ask the question. Unfortunately, it still hasn’t been answered.

To summarize, the wiring to the coils is 240VAC.
The rectifier is in the coil itself, so it’s an added component, which casts doubt on it being a cost saving move. There has to be some performance reason to go to the expense.
The schematic posted above is the most current version and reflects what I see in my switch. The 12VDC transfer relay is soldered on to the board in the module rather than a separate relay as shown in the YouTube video.
I’ll continue my quest for an explanation and report back if I find one.
Thank you everyone for your contributions to the search.

 

[grsthegreat]

And that is exactly what brought me here to ask the question. Unfortunately, it still hasn’t been answered.

To summarize, the wiring to the coils is 240VAC.
The rectifier is in the coil itself, so it’s an added component, which casts doubt on it being a cost saving move. There has to be some performance reason to go to the expense.
The schematic posted above is the most current version and reflects what I see in my switch. The 12VDC transfer relay is soldered on to the board in the module rather than a separate relay as shown in the YouTube video.
I’ll continue my quest for an explanation and report back if I find one.
Thank you everyone for your contributions to the search.

The youtube video had the older style load shed board. Your switch has newest version. Everything is on one board, there is no separate relay.

 

[LouNY]

I wouldn't be surprised if they did the rectification to eliminate the 60 cycle buzz that many solenoids on ac will get.

 

[grsthegreat]

I wouldn't be surprised if they did the rectification to eliminate the 60 cycle buzz that many solenoids on ac will get.

i doubt it. it flashes for less than a second and theres a loud slam when it does. they could care less about the buzz. i guess its a mystery that will never be solved. i doubt even the techs at generac know.

 

[Popgadget]

The youtube video had the older style load shed board. Your switch has newest version. Everything is on one board, there is no separate relay.

Yup. That’s what I said, or tried to say.