
6.3 Cable Routing and Fixation
Terminations are present at rear side of the shelf and it is protected with IP 20 metal cover.
Perform the following steps to connect power and signal cables:
1. Remove the rear protection cover by unscrewing four screws (Two at the rear and one on both sides).
2. Break the required knockouts and insert the grommets (1 x large, 2 x small, and 1-meter strip) for cable
protection, and it is shipped along with the shelf.
(Warning: Take special attention while breaking knockouts to
avoid damaging the connectors, terminals and PCB in the shelf.)
AC IN and OUT cables entry – Right end of the shelf (2 - Knockouts)
DC cables entry – Left end of the shelf (2 - Knockouts)
Knockouts are also available at top and bottom of the protection cover.
Note: Refer to section 14.1, page 51, to know more about knockout dimensions.
3. Connect the power and signal cables with
supplied screws,
refer section 6.4.2, page 22 for terminals
position.
4. Close the rear protection cover and tighten with four screws.
Cable entries
DC +
DC -
AC OUT
AC IN
Signal
4 x Screws
Remove four screws
Remove protection cover
6.3.1 Grounding
“PE Chassis Ground”
PE Chassis ground should be wired to MET (Main Earth Terminal) or distributed earth bar connected to MET, according
to local regulations. The wire size should be 4 AWG.
It is mandatory to use only C-UL-US or CSA listed Right angle ring terminal Cable Lugs (Burndy: YAV4CRS). Fix the lug
with 1/4-20 inch
Nut
with torque 5.7 to 8.3 ft-lb.
T
Z
L
C
K
16
-1
4
WIRE RANGE
N
Y
L : 1.06
Y : 0.70
Z : 0.28
N : 0.27
T : 0.09
All dimensions are in inch
K : 0.28
C : 0.56
21
– Sierra 10 - 48/120 VAC – User Manual – v1.1
System Installation
Содержание Sierra 10 - 48/230
Страница 67: ......