Mounting; Chassis Ground Connection; Alarm Wiring; Input Connections - Comm Net Systems HDX Setup And Operation Manual

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4.2 Mounting

1.111
1.431
Select the equipment rack location for installation of the panel. Orient the rack
mount ears appropriately for either 19 in. or 23 in. rack mount configuration. Attach the
mounting ears with included 1/4 - 20 hardware. Depending on the attachment point
selected, the panel will either be flush or mid-mounted in the rack.
3.470

4.3 Chassis ground Connection

3.235
CautiOn .235
0
dO nOt energize the panel BeFOre
R.141 TYP.
ChaSSiS grOund iS COnneCted.
The chassis ground is located in the side of the panel (see "Figure 3. HDX Ground
Oerminal Location"). A two hole lug landing position is provided. See table below for
termination information screw is provided for attaching a chassis ground cable. A
minimum of #4 AWG chassis ground cable is required for 016-452-10 model; a minimum
of #2 AWG chassis ground cable is required for all other models.
taBle 1. grOund terMinal SpeCiFiCatiOnS
gRound teRMinal speCiFiCations
Model Numbers All Models
Landing Type Threaded Insert
Hole Size 1/4
Center-to-Center 5/8
Recommended Torque 90 in·lbs

4.4 alarm wiring

Install alarm wiring. On the rear of the panel, there is an 8p8c modular jack (RJ-45) for
alarm connections. Models with GMT fuse positions also have a green 6-position alarm
terminal block next to the RJ-45 jacks. See table "A" for alarm pin out. Refer to drawings
RJ45 ALARM CONTACTS
in Appendix B for the locations of these alarm connections.
JACKS ARE DAISY CHAINED
The following models feature an additional RJ-45 jack to allow for daisy chaining: PIN DETAILS IN TABLE A.
SEE NOTE 1.
y 016-410-10, 016-412-10
y 016-450-10, 016-451-10
A SIDE OUTPUT RETURN +48V
GLASTIC ISOLATOR BETWEEN
A AND B RETURN BUS BARS FOR
A/B INPUT VERSIONS. RETURN BUS
IS ELECTRICALLY ISOLATED A TO B.
B SIDE OUTPUT RETURN +48V
CONNECTION.
HDX™
Setup anD OperatiOn Manual
paGe 4 - inStallatiOn
1.000
1.050
.640
17.000
MAIN RETURN
CONNECTION
CHASSIS GROUND
Threaded for 1/4"-20
Figure 3. HDX Ground Terminal Location
TABLE "A"
1 - COM
2 - N.C. MAJOR
3 - N.O.
4 - COM
5 - N.C. MINOR
6 - N.O.
(NOT USED)
Figure 4. Alarm Connections
A INPUT DC RETURN (+)
CONNECTION.
.625
FORM C
.760
DRY CONTACT
ALARM CONN.

4.5 input Connections

WarninG
y inputS MuSt Be prOteCted By a liSted CirCuit Breaker
Or BranCh rated FuSe. reFer tO "taBle 2. input
Breaker and FuSe ratingS per panel rating" On
page 5 FOr MaxiMuM FuSe and Breaker SizeS.
.625
y Multiple pOwer SOurCeS are preSent, enSure
all input pOwer FeedS are nOt energized BeFOre
inStalling theM. eleCtriCal inStallatiOn ShOuld
Only Be perFOrMed By qualiFied perSOnnel with
.625 prOper tOOlS and prOteCtive SaFety equipMent.
nOtiCe
y Make Sure that all Feeder CaBleS have
heat Shrink applied priOr tO terMinatiOn,
and that nO-Oxide COMpOund iS applied tO
all COpper-tO-COpper COnneCtiOnS.
y See "appendix a: prOduCt SpeCiFiCatiOnS"
FOr COMpreSSiOn lug SpeCiFiCatiOnS,
tOOling, and Ordering inFOrMatiOn.
y iF uSing a 350kCMil lug Or larger, an 016-1651-10
adapter kit iS required tO allOw prOper COnneCtiOn.
Step 1. Install the incoming DC feeder cables for the power inputs and power returns.
Refer to "Table 3. Termination Information"
taBle 2. input Breaker and FuSe ratingS per panel rating
Model Rating
200A
300A
400A
taBle 3. terMinatiOn inFOrMatiOn
input teRMination
type
Hot Threaded Insert
Return Threaded Insert
Max input Fuse /
CiRCuit BReakeR size
250A
375A
500A
×2
hole/stud CenteR to Bus BaR ReCoMMended
size CenteR width toRque value
3/8-16 1 in 1 in 225 in-lbs
1/4-20 5/8 in 1 in 70 in-lbs
Setup anD OperatiOn Manual
DC HOT INPUTS (-) DC RETURN INPUTS (+)
B A B A
DC HOT INPUTS (-) DC RETURN INPUTS (+)
DC HOT INPUTS (-) DC RETURN INPUTS (+)
B A B A
DC HOT INPUTS (-)
DC RETURN INPUTS (+)
DC HOT INPUTS (-) DC RETURN INPUTS (+)
B A B A
Figure 5. Panel Inputs From Top to Bottom: 016-410-10,
016-412-10, 016-450-10, 016-451-10, 016-452-10
×1
×2
×32
Figure 6. The 016-1651-10 Adapter Kit
Primary Components Shown
HDX™
inStallatiOn - paGe 5