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ETC ESR3 Series Installation Manual page 24

Sensor 3 ce rack

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Converting Neutral Disconnect Slots
There are two classes of modules available for Sensor3 CE racks - modules which break the neutral,
such as RCD or ND modules, and single pole modules that do not. Normally your rack will be
configured by ETC at the factory for the correct module types, however if you have a mixture of
modules or you have not been able to supply details of slot allocations you may need to configure
some slots on site.
Step 1:
Step 2:
CAUTION:
Step 3:
Step 4:
Step 5:
Step 6:
Step 7:
Step 8:
Figure 7: Converting Neutral Disconnect lugs to use single pole dimmers
20
Determine which dimmer slots you will be converting. You can convert either individual
slots or a three-slot strip at a time.
Gently bend the neutral lug retraining tab out with a small
flat blade screwdriver until the lug releases and you are able
to pull it out. See Figure 6.
Lug catches will break if bent too far. Only bend the
catch until the lug releases.
Use a flat blade screwdriver to loosen the threaded inserts
until the contact plates can slide out of both lugs.
Step 2
Step 3
Repeat
and
Install a Neutral lug jumper into the lugs and tighten the
threaded inserts.
Slide the jumpers into the plastic lug strip until the lug tab
clicks into place.
Secure the jumper to the thread on the Neutral bus bar using the provided M3x8 mm
screw.
Repeat Steps 1 through 7 for any other lugs you want to convert
for the other dimmer slot lug.
Use a small flat screwdriver to
lift the lug tab enough to
release the lug from the strip
and pull it out.
Figure 6: Removing a lug
Sensor3 CE Rack (ESR3) Installation Manual

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