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L-864
User Manual
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Dialight L-864 User Manual

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Document No.
9100-127-1438-99 Rev A
March 31, 2011
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INSTALLATION AND MAINTENANCE MANUAL
FOR
P/N: D464B13001 120/240VAC, 50/60 Hz, CIDII
L864 RED MEDIUM INTENSITY BEACON
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Dialight Corporation 1501 Route 34 South Farmingdale NJ 07727
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Contents Page
List of Figures and Tables .................................................................................2
Reference Drawings ...........................................................................................2
Section 1: Overview............................................................................................3
Section 2: Wiring and Mounting ........................................................................4
Section 3: Operation and Test...........................................................................6
Section 4: Beacon Theory of Operation............................................................6
Section 5: Maintenance and Troubleshooting..................................................7
Section 6: Specifications .................................................................................11
Section 7: Regulatory Compliance and Certifications...................................11
Section 8: How to Obtain Warranty Service ...................................................11
Beacon Wiring Diagram ...................................................................................12
List of Figures and Tables
Figure 1: L-864 Flashing Red Beacon Assembly Figure 2: Base - Bottom view Figure 3: System Block Diagram Figure 4: Beacon – External View Figure 5: Beacon in Open Position Figure 6: Light Engine Install/Removal Table 1: Troubleshooting
Reference Drawings
Beacon Wiring Diagram
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Section 1: Overview
The Dialight Flashing Red Beacon is designed for the lighting of flare stacks, chimneys, offshore oil platforms and other obstructions to aerial navigation, as specified by the FAA, FCC, ICAO and Transport Canada.
The L-864 Flashing Red Beacon as shown in Figure 1, (hereafter referred to as the Beacon) operates from 120 / 240VAC 50/60 Hz. The beacon consists of 36 High Performance LEDs that provide the light output equivalent to an incandescent fixture while consuming a fraction of the electrical power. This manual provides guidance and recommendations for the installation and testing of the beacon assembly. Please read this document in its entirety before installing the Beacon.
Figure 1
L-864 Flashing Red Beacon Assembly
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Section 2: Wiring and Mounting Warning:
Remove power from all wiring and circuitry before installing or working on the Beacon.
To avoid explosion:
• Make sure the supply voltage is the same as the rated luminaire voltage.
• Do not install where the marked operating temperatures exceed the ignition
temperature of the hazardous atmosphere.
• Do not operate in ambient temperatures above those indicated on the luminaire nameplate.
• Keep lens tightly closed when in operation.
Wiring the Beacon
The Beacon only requires a connection to 120 / 240 VAC, 50/60 Hz power. The ground wire must be connected for proper operation and protection of the Beacon.
Mounting the Beacon
Dialight recommends the installation of one or more lightning rods near the installed Beacon. The lightning rods should extend a minimum of three feet above the height of the Beacon.
The Beacon is mounted to the tower pedestal utilizing customer supplied ½” hardware. Six mounting holes are provided on the Beacon base (Figure 2). These mounting holes will align with most tower pedestals. The Beacon must be installed level according to the bulls-eye level inside the light engine to maintain light output in accordance with FAA requirements.
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Figure 2
Base - Bottom View
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Section 3: Operation and Test
Prior to installation, it is recommended that the unit be tested to ensure no damage was incurred during shipping. This is accomplished by applying power to the beacon. Visual verification of the functioning of the Beacon will indicate proper performance.
Upon completion of this test, the installation may proceed.
Section 4: Beacon Theory of Operation
4.0 System Overview
The block diagram in Figure 4 shows the major components of a typical Beacon installation. The parts of the system are the LED Beacon and Controller. The LED Beacon is made up of one LED module, which lights when current passes through it. The LED Beacon contains its own internal power supply. The Beacon is designed for use with an external controller. This external controller provides the properly timed flashing signal, fault monitoring and alarm interfaces.
External
Controller
Figure 3 - System Block Diagram
Power Supply
Beacon Assembly
LED Module
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4.1 Lightning Protection
The Beacon incorporates protection against voltage surges (as induced by nearby lightning strikes for example) by means of an MOV (metal oxide varistor) and Gas Discharge Tube (GDT) arrangement.
Section 5: Maintenance and Troubleshooting
No regularly scheduled maintenance is required for the Beacon. General cleaning of the Dome Assembly should be done using soapy water. No
other cleaning solutions are recommended. Abrasive compounds will scratch the Dome Assembly.
Table 1 Lists possible faults and repair procedures for the L-864 Red Beacon
Table 1 Troubleshooting
Symptom Possible Cause Corrective Action
Beacon does not light No AC power
LED Failure
Power supply Failure
Verify proper AC levels from power source thru supply lines.
Replace LED Module
Replace power supply
Beacon does not flash Refer to controller
documentation supplied by the manufacturer.
Repair and Replacement
Refer to Table 1 for troubleshooting procedures.
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Latch
Beacon Dome D464-2005
O-Ring Gasket D464-8002 (Under Dome Edge)
Document No.
9100-127-1438-99 Rev A
March 31, 2011
Beacon Light Engine
D464-1011
Gen IV Power Supply D464-9000 (Not pictured – inside base)
Recommended spare parts, User replaceable parts
Figure 4 Beacon – External View
Description Dialight Part Number
Beacon Light Engine D464-1011
Beacon Dome D464-2005
O-Ring Gasket D464-8002
Gen IV Power Supply (Inside Base) D464-9000
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Document No.
Cable
Connector
9100-127-1438-99 Rev A
March 31, 2011
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The only parts that are serviceable on the Beacon are the Light Engine and Power Supply.
Replacement procedure for the Light Engine
Step 1 WARNING: Power to the Beacon must be removed prior to servicing. Step 2 Unclamp the two latches holding the light engine down. Step 3 Rotate the light engine back to its open position. Step 4 Carefully pull the inline connector between the LED module and power
supply apart, and than unscrew the grounding strap from the light engine to separate the two assemblies. Be careful not to lose the screw for the ground strap.
Ground Strap
Figure 5 – Beacon in Open Position
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Step 5 Rotate the light engine downwards to approximately 10 degrees from the
closed position. The key should line up with the keyway on the hinge and allow for the light engine to be pulled off of its pins.
Figure 6 – Light Engine Install/Removal (Dome and cantilever not
shown for clarity)
Step 6 Slide the new light engine onto the pins to line it up. Rotate it to
approximately 10 degrees from closed to again line up the keyway. Push the light engine past the key until it clears and than rotate it back to the open position.
Step 7 Reconnect the inline connector between the light engine and power
supply, followed by the grounding strap.
Step 8 Rotate the light engine down to the closed position and secure the two
latches to complete installation. Apply power to ensure the beacon lights up correctly.
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Section 6: Specifications
Power Supply Specifications (D464-9000)
Input Voltage Range 120-240VAC at 50/60Hz Nominal Input Power 20W Power Factor >0.9 ATHD <20%
Beacon Specifications
Light Color Red Weight 20 Pounds Height 8.4 Inches Width 15.0 Inches Bolt Hold down Pattern Standard Pattern provided (See Fig. 2)
Section 7: Regulatory Compliance and Certifications
7.1 ETL Certified to: Federal Aviation Administration (FAA): AC No. (150/5345­43E). UL844 class I division 2 (T5), UL1598
Section 8: How to Obtain Warranty Service
Refer to www.dialight.com
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Document No.
Live (Black)
Neutral (White)
Ground (Green)
+Red
9100-127-1438-99 Rev A
March 31, 2011
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Beacon Wiring Diagram
Power
Supply
LED
Module
-Black
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March 31, 2011
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REVISION HISTORY
REV ECO No. DRN CKD APP QA CM DATE
A ---- SA KH JP RL JB 3/31/11
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