POWERING TECHNOLOGY
OPERATING MANUAL
AC POWER DISTRIBUTION PANEL
DPAC1U SERIES
Manual No. DPAC1U-5
dpac-man-rev5-0119.indd
www.unipowerco.com
© 2019 UNIPOWER LLC
All Rights Reserved
UNIPOWER LLC • 3900 Coral Ridge Drive, Coral Springs, Florida 33065, USA • sales@unipowerco.com
NORTH AMERICA & CALA CALL: +1-954-346-2442 • EMEA CALL: +1 561 990 3830
POWERING TECHNOLOGY
DPAC1U SERIES
OPERATING MANUAL
Contents
1.0 INTRODUCTION ...............................................................................................................4
2.0 FEATURES & OPTIONS ....................................................................................................6
3.0 FRONT & REAR PANEL DESCRIPTIONS ......................................................................7
4.0 SAFETY WARNINGS.........................................................................................................7
5.0 WARRANTY .......................................................................................................................7
6.0 FUNCTIONAL DIAGRAM ................................................................................................8
7.0 SPECIFICATIONS ..............................................................................................................8
8.0 BACK PANEL CONNECTIONS ......................................................................................10
9.0 UNPACKING AND INSPECTION ...................................................................................12
10.0 INSTALLATION ...............................................................................................................12
11.0 SETUP AND TESTING ....................................................................................................12
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POWERING TECHNOLOGY
DPAC1U SERIES
OPERATING MANUAL
FIGURES
Figure 1. DPAC1U AC Power Distribution Panel .......................................................................5
Figure 2. Front and Rear Views of DPAC1U ...............................................................................5
Figure 3. Simplied Diagram of DPAC1U (A or B Side) ............................................................9
Figure 4. Inverter Connections to DPAC1U ................................................................................9
Figure 5. Positronic Connector on “C” Option of DPAC1U ......................................................11
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1.0 INTRODUCTION
DPAC1U SERIES
OPERATING MANUAL
OPERATING MANUAL
AC POWER DISTRIBUTION PANEL
1.1
1.2
1.3
1.4
This operating manual should be read through carefully before installing and
operating this AC power distribution panel.
This distribution panel provides protected AC power distribution to telecommunication equipment. It provides up to four circuit breakers on both the A
and B sides of the panel. See Figure 1. The A and B loads can be in common
(standard version) or isolated from each other (optional version). Total capacity for each A or B side is 50 amperes.
The DPAC1U distribution panel is only 1.75 inches (1 rack space) high to
minimize rack space and can be mounted in either a 19- or 23-inch relay rack
with corresponding brackets. It can be mounted from the front of the rack
with offsets every ¼-inch from front to back to align with existing rackmounted equipment.
The distribution panel can be configured differently for the A and B sides.
The A and B sides can have different numbers of breakers and different
breaker capacities. Each breaker on Option T can be from 5 to 30 amperes
capacity; each breaker on Option C can be from 5 to 15 amperes capacity.
The maximum capacity for each A or B side is 50 amperes. The distribution
panel must be configured at the factory.
1.5
The rear panel connections have two options: Positronics connector input with
NEMA 5-15R AC output receptacles (C Option) or barrier terminal strip
connectors for both input and output connections (T Option).
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Figure 1. DP AC1U AC Power Distribution Panel
FRONT VIEW
REAR VIEWS
17.13
(435)
1 5
2 6
1 5
2 6
1.75
(44.5)
T OPTION
C OPTION
INPUT 1 LOAD 1 LOAD 5
INPUT 2 LOAD 2
GND
L N G
LOAD 1 LOAD 5 INPUT 1
LOAD 2 LOAD 6 INPUT 2
BA
A
B
125 6
125 6
INPUTS
INPUTS
1
2
3
4
SDAOLSDAOL
L N GL N G
L N GL N GL N G
L N GL N GL N G
L N GL N GL N G
WALLET SLOT
LOAD 6
1 2 3
L N G
POSITRONICS
CONNECTORS
GND
1 2 3
L N G
POSITRONICS
CONNECTORS
NEMA 5-15R
RECEPTACLES
NEMA 5-15R
RECEPTACLES
Figure 1. DP AC1U AC Power Distribution Panel
FRONT VIEW
17.13 (435)
1 5
DPAC1U SERIES
OPERATING MANUAL
1
5
OFFOON
15
OFFOON
15
B INPUTS A INPUTS
1
2
POSITRONICS
CONNECTORS
OFFOON
1
I
2
I
3
4
15
OFFOON
15
5
I
6
I
OFFOON
15
OFFOON
15
1
I
2
I
2 6
A B
2 6
REAR VIEWS
INPUT1LOAD
L N G L N G L N G
1 2 3 4 5 6 7 8 9 10
L N G L N G L N G
INPUT2LOAD
LOADS LOADS
1 256 1 2 5 6
B
1
2
LOAD
5
LOAD
6
GND
GND
LOAD1LOAD
L N G L N G L N G
1 2 3 4 5 6 7 8 9 10
L N G L N G L N G
LOAD5LOAD
OFFOON
3
4
15
OFFOON
15
5
I
6
I
1.75
(44.5)
INPUT
2
1
INPUT
6
2
A
1
2
Figure 2. Front and Rear Views of DP AC1U
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2.0 FEATURES AND OPTIONS
2.1 Features
One Rack Space High: 1.75 inches
19 or 23-Inch Rack Mounting
Terminal Block or NEMA 5-15R Outputs
Voltage: 120VAC Nominal
Up to 8 AC Circuits with Breakers
Single (A) or Dual (A & B) Sections
50A AC Per Section (100A Total)
Common or Isolated A & B Sections
A & B Can Be Separately Configured
AC Breaker Capacities: 5A to 30A
Up to 4 Inverter Inputs
Rack Offset Every ¼” from Front to Back
DPAC1U SERIES
OPERATING MANUAL
2.2 Options. There are two sets of options available:
In the standard dual model (using sections A and B) the two sections are
connected in common (parallel). In an optional model (option I) the A and
B sections are isolated.
There are two options for input and output connections. The T option
provides a terminal strip for both; the C Option provides Positronics
connectors for the input and NEMA 5-15R receptacles for the outputs.
2.3 Model Designation. The following Ordering Guide shows how the models
are designated.
Model No.: DPAC1U -A -B -
STANDARD
CODE OUTPUT OPTION
T Terminal Strip
C NEMA 5-15R
Note: Terminal strip outputs (Option T) can each
carry up to 30 amperes; therefore a circuit
breaker can be up to 30A. NEMA 5-15R output
receptacles (Option C) can each carry up to 15
amperes; therefore a circuit breaker is limited to
15A.
AC BREAKERS
CODE
H
I
J
K
L
M
AMPS
5
10
15
20
25
30
CODE OPTION
I Isolated A & B Sections
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3.0 FRONT AND REAR PANEL DESCRIPTIONS
3.1 The front panel consists of the A and B sides with up to four circuit breakers
on each side. The circuit breakers are numbered to correspond to the output
load connections or receptacles. See Figure 2. At the bottom of the center
section is a slot for a wallet and designator card. This card permits the recording of each output circuit by number.
3.2 In Figure 2, views of the two rear panel options are shown. The first one
shows terminal strip connections for both AC inputs and outputs on the A
and B sides (Option T). This option also comes with a clear plastic safety
cover over the terminal strips. The second shows Positronics connector
inputs and NEMA 5-15R
receptacle outputs on A and B sides (Option C).
4.0 SAFETY WARNINGS
DPAC1U SERIES
OPERATING MANUAL
4.1 This Distribution Panel operates at voltages that could potentially be hazardous. This product should be handled, tested and installed only by qualified
technical persons who are trained in the use of power systems and are well
aware of the hazards involved.
4.2 When operating this Distribution Panel, the chassis ground terminal must be
connected to the system frame ground or other proper safety ground for the
protection of personnel.
4.3 All connections to the Distribution Panel should be carefully checked for
errors before applying power to them.
4.4 This equipment is intended only for installation in a “RESTRICTED ACCESS
LOCATIO
5.0 WARRANTY
All products of UNIPOWER , are warranted for two (2) years from date of shipment against
defects in material and workmanship. This warranty does not extend to products which have
been opened, altered or repaired by persons other than persons authorized by the manufacturer
or to products which become defective due to acts of God, negligence or the failure of customer
to fully follow instructions with respect to installation, application or maintenance. This warranty
is extended directly by the manufacturer to the buyer and is the sole warranty applicable.
EXCEPT FOR THE FOREGOING EXPRESS WARRANTY, THE MANUFACTURER MAKES
NO WARRANTY, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICU-LAR PURPOSE. As the
sole and exclusive remedy under this warranty, the manufacturer, at its
N”.
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option, may repair or replace the non-conforming product or issue credit, provided the
manufacturer’s inspection establishes the existence of a defect. To exercise this remedy, the
buyer must contact the manufacturer’s Customer Service Department to obtain a Return Material
Authorization number and shipping instructions. Products returned without prior authorization
will be returned to buyer. All products returned for repair must be shipped freight prepaid to
UNIPOWER. If the buyer fails to fully comply with the foregoing, the buyer agrees that no other
remedy (including, but not limited to, incidental or consequential damages for lost profits, lost
sales, injury to person or property or any other incidental or consequential losses) shall be
available to the buyer.
6.0 FUNCTIONAL DIAGRAM
A simplified schematic diagram of the AC Distribution Panels is shown in Figure 3.
The diagram represents the A or B side of the panel. The input handles one or two
inverters with up to 25A each. The output goes to as many as four AC circuits with a
circuit breaker on each. The A and B sides can be in common (standard) or isolated
(option). This is determined at the
DPAC1U SERIES
OPERATING MANUAL
time of ordering.
7.0 SPECIFICATIONS
INPUT / OUTPUT
Configuration..........................................Single (A) or Dual (A & B) Sections
Current Capacity ..............................................50A Per Section, 100A Total
No. of Circuit Breakers ............................... 2 to 4 Per Section, Up to 8 Total
Breaker Capacity, Option T ...........................................................5A to 30A
Voltage..............................................................................120VAC Nominal
SAFETY STANDARDS......................UL1950, CSA22.2 No.950, EN60950
ENVIRONMENTAL
Operating Temp. Range ..........................................................0°C to +50°C
Storage Temp. Range .........................................................-40°C to + 85°C
Humidity......................................................... 0% to 95%, Non-Condensing
PHYSICAL SPECIFICATIONS
Case Material .......................................................................................Steel
Finish .............................................................................. Powder Coat Gray
Dimensions, Inches (mm)................................. 1.75 H x 17.13 W x 11.00 D
Weight ......................................................................... 10.25 lbs. (4.65 kg.)
Rack Mounting Width.......................................................... 19 or 23 Inches
Option C ...........................................................5A to 15A
(44.5 x 435 x 279)
CONNECTIONS
Inpu
t/Output Connections..........................................Barrier Terminal Strips
Positronics/NEMA 5-15R Receptacle
Chassis Ground Connection ..................................................No. 8-32 Stud
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DPAC1U SERIES
OPERATING MANUAL
Figure 3. Simplified Diagram of DPAC1U (A or B Side)
INVERTER
INVERTER
INVERTER
INVERTER
(a) Four Connected to DPAC1U
2 - INVERTERS
IN RACK
2 - INVERTERS
IN RACK
(b)2 inverters in Rack (115VAC only) Connected to DPAC1U
Figure 4. Inverter Connections to DPAC1U
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8.0 BACK PANEL CONNECTIONS
8.1 General. Figure 2 shows the back panel connections for both versions of the
DPAC1U, the T and C Options. It should be noted that these AC Distribution
Panels are specially designed for use with UNIPOWER Telecom’s INV2500
and INV2500-HS sine wave inverters. They may also, however, be used with
other 115VAC inverters or AC power sources.
8.2 Inverter Inputs. Both versions of the DPAC1U have provisions for the
inputs of up to four inverters, two on each A or B side. Each inverter input
can have up to 25 amperes AC. If a shelf with two inverters in parallel is used,
two cables must be connected from the inverter output to the DPAC1U, one
to each of the
A side or B side inputs (1 and 2). In this case the inverter input
can be up to 50 amperes AC. See Figure 4(b).
It should be noted that all inverters connected to the DPAC1U must have their
outputs in phase with each other because the inputs are all paralleled inside
the distribution panel. The only exception to this is the version of the DPAC1U
which has isolated A and B sections (Suffix code I). In this case the A and B
sides can have different phases since they are not connected in common.
However, the two inverters on the A side must be in phase with each other
and likewise the two inverters on the B side.
DPAC1U SERIES
OPERATING MANUAL
8.3 Term
inal Strip Connections. For the “T” output option there are two 10-
terminal barrier strips on each A and B side of the panel. As shown in Figure
2, each A and B side has connections for two inverter inputs (up to 25A
each) and four output loads (up to 50A total output). For each inverter input
and each output load there are line, neutral and ground connection terminals.
Each terminal strip output is rated up to 30 amperes.
8.4 NEMA 5-15R and Positronics Connections. For the “C” output option the
input connections are to Positronics connectors, one for each of the four
inverter inputs. The connector is no. PLA03MI10000 with MC112N contacts;
the mating connector is PLA03F0050 with FC112N2 contacts. See Figure 5
for a diagram of the Positronics connectors. Each NEMA 5-15R receptacle is
rated up to 15 amperes output.
8.5 Connecting Cables. Check with the factory on the availability of cables for
making the interconnection between the Inverters and the DPAC1U.
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DPAC1U SERIES
OPERATING MANUAL
Figure 5. Positronics Connector on “C” Option of DPAC1U
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8.6 Chassis Ground Connection. At the center, near the bottom of each unit, is
the chassis ground terminal. This terminal is a no. 8-32 stud with a nut. It
should be connected to the system frame ground. The terminal is in common
with the AC ground.
9.0 UNPACKING AND INSPECTION
DPAC1U SERIES
OPERATING MANUAL
9.1
This AC power distribution panel was carefully tested, inspected and packaged for shipment from our factory. Upon receipt of the unit it should be
carefully unpacked and inspected for any damage in shipment.
9.2
If there is evidence of damage,do not attempt to test the unit. The freight
carrier should be notified immediately and a claim for the cost of the distribution panel should be filed with the carrier for
include the model and serial number of the damaged unit in all correspondence with the freight carrier. Also save the shipping carton and packing
materials as evidence of damage for the freight carrier’s inspection.
9.3
UNIPOWER LLC will cooperate fully in case of any shipping damage
investigation.
9.4
Always save the packing materials for later use in shipping the unit. Never
ship the distribution panel without proper packing.
10.0 INSTALLATION
10.1 Mounting. This distribution panel can be mounted in either 19- or 23-inch
racks by using the appropriate brackets. Mount it from the front of the rack
using the correct offsets to align with existing rack-mounted equipment. The
bracket offsets are every quarter inch from front to back.
direct reimbursement. Be sure to
10.2 Connections. Connections to the AC Distribution Panel should be made as
described in Sections 8.2 through 8.6. Wires or cables of proper AWG
copper size should be used for the current carried. Make sure that all connections are clean and firm to minimize contact resistance. Make sure that
the chassis ground is connected to the system frame ground.
11.0 SETUP AND TESTING
11.1 It is not ne
cessary to have the AC distribution panel mounted in a rack for
initial testing. This can be done on a bench. It is not necessary to have loads
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DPAC1U SERIES
OPERATING MANUAL
connected to the panel for this testing.
11.2 With the input inverter or other AC power source “off”, connect the input
wires to inputs 1 or 1 and 2 of the A side of the distribution panel. Connect
system frame ground to the chassis ground terminal. Set all circuit breakers
to “on”.
11.3 Turn on the input power source. Check the AC output voltage from line to
neutral at each set of output terminals (loads) with a digital AC voltmeter. The
voltage should be approximately 120VAC.
11.4 On the A side set all ciruit breakers to “off”. Check the AC output voltage as
before. All the load voltages should be zero.
11.5 Turn the input AC source off. Repeat the same tests of Sections 1 1.2 through
11.4 on the B side of the AC Distribution Panel.
11.6 Turn the input AC source off and disconnect the input wires. The distribution
panel may now be connected to its intended application.
11.7 If the AC distribution panel did not operate properly in the above tests, go
back and double check the connections. If the problem cannot be solved, call
UNIPOWERat one of the below numbers:
NORTH AMERICA & CALA CALL: +1-954-346-2442
EMEA CALL: +1 561 990 3830
This document is believed to be correct at time of publication and UNIPOWER LLC accepts no responsibility for
consequences from printing errors or inaccuracies. Specications are subject to change without notice.
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