Prepare The Drd Rack; Remove The Drd Rack Power Supply/Dimming Engine Access; Panel - ETC DRd6-12-120 Installation Manual

Prepare the DRd Rack

All rack terminations are accessible from the front of the rack. Reference
Specification", page 8
Prior to conduit installation you should remove the power supply access panel for clear
access to the top of the DRd rack enclosure. Reference
Supply/Dimming Engine Access Panel"
Take the opportunity before roughing in your conduit to change your rack for split phase
operation (100/120 VAC racks only) if required. Reference
Split Phase Operation", page
R e m o v e t h e D R d R a c k P o w e r S u p p l y / D i m m i n g E n g i n e A c c e s s P a n e l
Remove the power supply/dimming engine access panel to allow for better access in the
top of the DRd rack enclosure while roughing in conduit and cable.
Step 4.a
The rack door has
been removed from
this graphic for clarity
of this procedure.
Step 1:
Step 2:
Step 3:
Step 4:
18
for conduit access specifications.
19.
Loosen the two captured screws that secure the access panel.
Gently pull the panel straight down until the top of the access panel is clear of the
enclosure.
Tilt the supply access panel away from the rack enclosure.
Disconnect the three cables that are attached to the unit.
a: For the cable bundle on the left side, squeeze the tabs on either side of the
connector and gently pull the cable until it is free from the unit.
"Remove the DRd Rack Power
below.
"Modify Phase Bus for 120 VAC
Step 4.b
®
Unison DRd Rack Enclosure Installation Manual
"Wire Routing and
Step 1
Step 4.c