16
IGBT D
IMMER
R
ACKS
Installation
& Operation
C
ONNECTION
O
RDER
The Capio Plus IGBT Dimmer Rack is designed to be wired from the front. For this reason it makes sense to complete the connec-
tions at the back of the rack first, and the ones at the front last. We recommend connecting the Line Power wiring and Grounds (if
applicable) first, and the Load Neutral and Load Hot wires last.
Important
: Dress wires neatly. Extra wire inside the rack can restrict airflow.
C
ONNECTING
L
INE
P
OWER
W
IRING
(S
INGLE
R
ACKS
)
You must have access to a main circuit breaker or other power disconnect device before installing any wiring.
Failure to disconnect power before installing or servicing your dimmer rack may result in injury or death.
1. Run line power wiring from the power source to the top or bottom of the rack. See "Mechanical Considerations" on page 4 for
feed routing.
2. Remove the wire access panel (
Figure 16
).
3. Punch holes and install conduit fittings <OR> insert lining materials in the access panel opening.
4. Replace the wire access panel if using conduit.
5. Pull the line power cables through the prepared openings.
: Wire openings must have fittings or linings to protect wire and cable insulation and to prevent air leaks.
6. Strip 1-3/8" of insulation from the end of each cable.
7. Terminate the Phase, Neutral, and Ground wires to their lugs. Line connections are labeled A, B and C (
Figure 16
). If necessary,
the main lugs may be re-oriented for the direction of feed.
8. Tighten the main lug set screws to the torque termination shown on the label inside the right wall of the rack (shown in part
below).
TERMINAL
WIRE RANGE
TIGHTENING TORQUE (IN-LBS)
Main (Line)
(See Main Breaker, if used)
2: 600 kCM-2:20
(See Main Breaker, if used)
500
Main (Neutral)
2:600 kCM - 2:2/0
500
Load (20A)
1: #6-#20
2: #10-#20
10.6 - 13.3
Load (50A)
#4 - #6
#1/0 - #2
45
50
Load Neutral
#4 - #14 AWG
#10 -#14: 35
#8: 40
#4 - #6: 45
Ground
#2/0 - #14 AWG
#10 - #14: 35
#8: 40
#4 - #6: 45
#3 - 2/0: 50
Ground Bus
#6 - #14 AWG
#10 - #14: 35
#8: 40
#6: 45
!
Line Power Wiring
