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ZW AU & DU to run same track off TMCC

T 23TrainmanOGR Forum Member

Hi all,

Right now I have my layout on DU track power running TMCC on TR4 for one table.  My AU track power is set for TR1 which is not running any track power but is working when I power it up.  At our new house I'm going to add two additional tables (4'x16' & 8'x20') looped to my original table. (8'x30').  I'm afraid that putting all 3 tables only on one terminal will overwhelm the track power on DU.  Since I'm ignorant about electrical issues, I read the ZW manual and now I'm confused.  Is there a simple way (I lost the program key for the ZW in the move) to phase both DU and AU together so I can power the two new tables and the one old table using track power off of both terminals?  If I can, what TR# do I use on the command handheld?  Thanks to all!!!

Original Post
JF Joe FermaniOGR Forum Member

Phasing is only needed when are using separate transformers  to power the same track for different blocks.  Since you are only using one transformer, there is nothing to phase.  You need to make sure you wire each block the same.  In other words, always connect the U to the outside rail and the A and D to the middle rail.  You will need to add an insulator pin between blocks so the middle rails are not connected between blocks.  The outside rails can/should be connected between all blocks.  You connect A to the middle rail in one block and the D to the middle rail in the other block.

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Tags: power, track, ZW
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