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™ High Density Networked DC Distribution Technical Manual Effective: April 2020...
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Safety Notes Alpha Technologies Services, Inc. considers customer safety and satisfaction its most important priority. To reduce the risk of injury or death and to ensure continual safe operation of this product, certain information is presented differently in this manual. Alpha tries to adhere to ANSI Z535 and encourages special attention and care to information presented in ®...
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Alpha representative. Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies, generators, batteries or other hardware if used or operated in any manner or subject to any condition not consistent with its intended purpose or is installed or operated in an unapproved manner or improperly maintained.
Compact DC Power Distribution Center: Table 1. HDN Model Configurations PART NUMBER DESCRIPTION C016-1660-10 HDN 300; Single Input BDFB Version (No Return Bar); 22 AM Breaker Positions; UL1801 C016-1661-10 HDN 300; Single Input; 22 AM Breaker Positions; UL1801 C016-1662-10 HDN 300; Dual Isolated (A/B) Input; 11A/11B AM Breaker Positions; UL1801 C016-1720-10 HDN 600;...
3.0 Unpacking and Inspection Unpacking and Inspection The HDN 300/600 High Density DC Distribution Center was carefully packaged at the factory to withstand the normal rigors of shipping. However, you should carefully inspect the box and contents to confirm that no damage has occurred in transit. Most shipping carriers require notification of shipping damage within twenty-four hours of delivery, and it is the responsibility of the recipient to inspect the shipment immediately upon receipt�...
4.2 Mounting Mounting NOTICE: THIS PRODUCT MUST BE INSTALLED WITHIN A RESTRICTED ACCESS LOCATION WHERE ACCESS IS THROUGH THE USE OF A TOOL, LOCK AND KEY, OR OTHER MEANS OF SECURITY, AND IS CONTROLLED BY THE AUTHORITY RESPONSIBLE FOR THE LOCATION�...
4.4 Input Connections Input Connections WARNING! ELECTRICAL HAZARD 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 PROPER TOOLS AND PROTECTIVE SAFETY EQUIPMENT. USE ONLY THE 3/8"-16 X 1"...
4.6 Output Connections Output Connections CAUTION! DO NOT PERFORM THIS STEP ON CIRCUITS WITH BREAKERS INSTALLED. ENSURE NO POWER IS PRESENT ON THE CIRCUIT BEING WIRED BEFORE PROCEEDING� NOTICE: MAKE SURE THAT ALL CABLES HAVE INSULATED TERMINALS OR HEAT SHRINK APPLIED PRIOR TO TERMINATION, AND THAT NO-OXIDE COMPOUND IS APPLIED TO ALL COPPER-TO-COPPER CONNECTIONS�...
4.8 Installing Circuit Breakers Installing Circuit Breakers NOTICE: SEE SECTION 8 ON PAGE 18 FOR CIRCUIT BREAKER ORDERING INFORMATION. Step 1. Turn the captive mounting screws counterclockwise and lift the front panel� Step 2. Slide a circuit breaker of sufficient ampacity into the position corresponding to the output channel to be fed�...
6.0 Supervisory Controller Supervisory Controller The HDN panel uses a touchscreen user interface� Interact with the touchscreen by using your fingertip, a stylus, or a capped pen to touch the display and select status information, or to access the menu. In addition to the status LEDs, the backlight of the LCD will change color based on the status of the panel (see 6�5 Operating Conditions on Page 14)�...
6.2.3 6.2.3 Warning and Alarm Threshold Warning and Alarm Threshold From the Breaker menu (Settings > Breakers), set the alarm threshold to any value between 75% and 100% (see Figure 8)� This is the amount of breaker utilization which will trigger an overcurrent alarm. A local warning will be sent at 10% less than the set alarm threshold�...
6.4.4 Advanced Settings Advanced Settings y Memory y Settings - Clear settings to factory default� IMPORTANT: Do not perform this function without direction from Alpha Personnel! y Calibration - Clears calibration� IMPORTANT: Do not perform this function without direction from Alpha Personnel! y EEPROM - This clears the EEPROM�...
This warning indicates there is an issue with an internal sensor or its circuitry� Try to reset the controller using the reset switch on the left-hand side of the controller. If the warning persists, contact Alpha support for more information and diagnostic steps�...
6.6 How to Review System Status via the How to Review System Status via the Embedded Webserver Embedded Webserver The optional embedded ethernet module provides remote monitoring via IP-based ethernet networks and a web browser� To view the system status, you will need to connect the ethernet port on the rear of your HDN to your network�...
8.0 Models and Accessories Models and Accessories Table 8. HDN Model Configurations DESCRIPTION PART NUMBER HDN 300; Single Input BDFB Version (No Return Bar); 22 AM Breaker Positions; C016-1660-10 UL1801 HDN 300; Single Input; 22 AM Breaker Positions; UL1801 C016-1661-10 HDN 300; Dual Isolated (A/B) Input; 11A/11B AM Breaker Positions; UL1801 C016-1662-10 HDN 600;...
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Table 11. Supported Lugs for Chassis Ground Connections WIRE GAUGE ALPHA PART MANUFACTURER MANUFACTURER PART CRIMP DIE REQUIRED NUMBER NUMBER C538-094-10 Burndy YAZV6C2TC14FX, Blue, 7 Burndy U5CRT, W5CVT, W5CRT, X5CRT C538-085-10 Burndy YAZV4C2TC14FX, Gray, 8 Burndy U4CRT, W2CVT, W2CRT, X2CRT...
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