I have looked at all the Märklin publications and leaflets on how to connect boosters to layouts and am still somewhat confused.
All the explanations are basically connect booster to track, then CS2/3 but isolate boosted areas. Sounds simple, yes?
Well, no actually.
The diagrams that are provided really do not answer all my concerns.
OK, a simple explanation of the layout.
It is our club layout (see photo 1) that has 63 points that are all lit and get power from the track, and of course they take a huge chunk of power leaving us to run a maximum of three locos without any sound functions, or two locos with sound functions (yes, we know where on the CS2 it shows how much power is being used). We are having our Christmas breakup on 12/12 and would like to solve this problem so that all members can run as many trains as we can.
So we have decide to split the layout into three circuits.
Green circuit is one main line, yellow circuit is the second main line (includes the off shoot to a turn around), and grey is the huge yard (have not included all the track work in the yard).

Am I correct that we isolate the three circuits on the tracks shown in the next four photos with the short red lines?




I know that each circuit requires the CS2 and a booster each, with each item having their own dedicated power unit.
We have the (CS2) model booster, 60174, with the corresponding power unit, 60052, and we the (CS3) model booster, 60175, with the corresponding booster, 60041.
I know they are cross compatible, that is, you can use either one on both CS models.
Now the big question (and I have looked at the drawings and explanations of what each connection is at the back of a CS2) where do you connect the boosters to the CS2 please.
I know one booster (60174) goes to the booster connection.
Where can we connect the second booster?
Any help and guidance will be greatly appreciated.
For those that have SCARM, I have also included the file for our club layout. Don't worry about the the missed connections, with the size of the layout, we have a lot of give and take as far as the tracks are connected. And between what's on the designed layout and actually put on the table can have a bit of a variance.
reworkslim06fixup.scarm (269kb) downloaded 35 time(s).Thank you.