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Wiring details
8.2. Track connection
The tracks are connected via a two-way socket with a removable
plug. Please make sure that you use cables of adequate size (cross-
section) for your track power. We recommend wires of at least
0.75mm² (better: 1.5mm²) cross section. In larger layouts connect
track power every two meters to the tracks.
ECoSBoost uses an H4-bridge (full bridge) for the track power.
Therefore with ECoSBoostBoost – contrary to older Märklin® sys-
tems - there is no „Common" (Ground).
Figure 5
• Never connect another digital system or analogue transformer
to the same circuit as the ECoSBoostBoost. The ECoSBoost-
Boost may be damaged or destroyed!
• Depending on the respective version, the ECoSBoostBoost sup-
plies up to 8A track current. Always consider if you actually
need such a high output current. In case of a short circuit your
locos may be damaged and there may be risk of fire! Also refer
to chapter 10.2 regarding the current reduction.
• Please always ensure that the polarity of all track sections is
identical! Terminal "B" of the first ECoSBoostBoost and ter-
minal „B" of the following booster must be connected to the
same side of the track! Otherwise, this will lead to short-circuits
whenever a locomotive crosses the district boundaries between
the sections!
Remove all capacitors that may possibly haven been wired to the
track power supply cable in your layout. They would cause a strong
heat build-up of the booster and impair the power output. Almost
in every connecting track in an analogue starter kit (Roco®, Mär-
klin®) are, respectively were, capacitors installed.
8.2.1. Wiring two-conductor tracks
Wiring takes place as shown. Polarity is not an issue (for DCC or
Selectrix®).
B
0
Supply area 1
Isolate the middle conductor!
Figure 6
8.2.2. Wiring three-conductor tracks
Wiring takes place as shown. Please pay attention to the right po-
larity, as otherwise some older decoders (e.g. k83) will not work.
B
0
Supply area 1
Isolate the middle conductor!
Figure 7
If your new Motorola® locos work but the old k83 accessory deco-
ders and older Märklin® locos do not it is most likely that polarity
has been swapped.
Märklin® offers a suitable connecting track for the C-track system.
Part number 74046 is not suitable! For the K track system you
should use the connecting track No. 2290.
Supply area 2
Supply area 2
7
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