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Summary of Contents for OCEM LETE
- Page 1 LETE Use and Maintenance Manual LED ELEVATED TAXIWAY EDGE LIGHT...
- Page 2 OCEM Airfield Technology, and any other name/brand associated with products OCEM Airfield Technology mentioned or indicated in this document, are trademarks or registered by OCEM Airfield Technology. The rights of third parties on each registered trade mark mentioned in this document are the property of their respective owners.
- Page 3 MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. OCEM - ENERGY TECHNOLOGY warrants to each original Buyer of Products manufactured by the Company that such Products are at the time of delivery to the Buyer, free of material and workmanship defects, provided that no warranty is made with respect to: (a) any Product, which has been repaired or altered in such a way, in Company’s judgement, as to affect...
- Page 4 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE OPERATION ON THE EQUIPMENT - SKILLS Operation on the equipment and access to its internal parts shall be done by experienced personnel, adequately trained and aware of the risks related to electricity and high voltages.
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Page 5: Table Of Contents
Document UT-MT-0782_EN Page 5 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE INDEX GENERAL ..........................7 MAIN FEATURES ........................7 ELECTRONIC SECTION ......................10 2.1.1 Current / current conversion circuit (patented) ............10 2.1.2 LED command circuit .................... - Page 6 Page 6 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE INDEX OF FIGURES Figure 1 – Exploded View ........................8 Figure 2 – Part List ..........................9 Figure 3 - Complete P/N identification....................
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Page 7: General
These fixtures are intended for use as taxiway edge light, in order to provide a visual aid to the moving aircraft. LETE lights are in compliance with ICAO Annex 14 Vol.1, FAA AC 150/5345-46, IEC TS 61827 and NATO-STANAG 3316. -
Page 8: Figure 1 - Exploded View
Page 8 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE Figure 1 – Exploded View... -
Page 9: Figure 2 - Part List
Arctic kit thermostat .................... 1 Arctic kit heater ....................1 O-Ring ........................1 Figure 2 – Part List LETE - F - 23 - A - M - A - O Basic P/N: Compliance: I = ICAO - IEC S = STANAG... -
Page 10: Electronic Section
Page 10 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE ELECTRONIC SECTION The electronic section consists of the following circuits: ▪ Current / current conversion circuit ▪... -
Page 11: Led Command Circuit
Page 11 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE 2.1.2 LED command circuit A PWM technique is used to command the LEDs. As known LEDs need to be supplied with a constant current;... -
Page 12: Installation
Page 12 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE INSTALLATION CIVIL WORKS Each light is usually installed on a suitable concrete block, into which a pipe elbows is cemented. -
Page 13: Installing The Ligh Unit
Document UT-MT-0782_EN Page 13 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE INSTALLING THE LIGH UNIT The light is shipped completely assembled including the LED module, except the 1- inch tube and the breakable coupling which are delivered separately inside the same carton. -
Page 14: Secondary Wiring
Page 14 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE Fixture Levelling device Circular level Levelling screws Figure 5 – Levelling Device SECONDARY WIRING The IEC 61823 International Standard (AGL series transformers) states at para. 4.6 that “if an earthing connection is provided, it shall be connected to the larger socket... -
Page 15: Maintenance
Document UT-MT-0782_EN Page 15 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE MAINTENANCE WARNING BEFORE ANY MAINTENANCE INTERVENTION, MAKE SURE THE POWER SUPPLY BE SWITCHED OFF. DO NOT OPERATE ON LIVE PARTS!!! LED lighting fixtures do not require frequent maintenance. -
Page 16: Removing And Opening The Light Unit
Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE Recommended snow removal techniques are described in Airport Service Manual ICAO - Part 9 - Airport Maintenance Practices or FAA AC 150/5200-30. -
Page 17: Lens Replacement
Document UT-MT-0782_EN Page 17 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE LENS REPLACEMENT Unscrew the lens locking ring and remove the broken lens with the relevant gasket from the fixture body. -
Page 18: Led Module Replacement
Page 18 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE LED MODULE REPLACEMENT Remove the lens with gasket as above described and proceed as follow: ▪ remove the LED module by removing the two fasteners by means of a drill with a twist drill Ø3... -
Page 19: Electronic Replacement
Document UT-MT-0782_EN Page 19 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE ELECTRONIC REPLACEMENT Remove the lens with gasket as above described and proceed as follow: ▪ take out the electronic from the body and disconnect the PCB from cable lead with plug and from the LED module ▪... -
Page 20: Installing The New Cable Lead With Plug
Page 20 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE 4.8.2 Installing the new cable lead with plug Replace the cable gland if damaged. Insert a new cable lead and a new grounding wire (if necessary) into the sealing insert at approx 8 cm from the free extremity of the cable lead. -
Page 21: Figure 8 - Cable Lead With Plug, Grounding Cable And Arctic Kit
Document UT-MT-0782_EN Page 21 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE Grounding cable Grounding cable screw Cable lead with plug Cable gland PCB cable Thermostat Thermostat locking screws... -
Page 22: Monitoring
Page 22 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE 4.10 MONITORING The fixtures can be provided with the option of monitoring. This device allows to show at the constant current regulator as if the fixture circuit was open when a LED burns out. -
Page 23: Troubleshooting
Document UT-MT-0782_EN Page 23 of 26 Edition 12/12/2023 Supersedes edition 06/05/2020 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE TROUBLESHOOTING Problem Possible cause Solution Distorted light beam Broken or damaged lens Replace lens output Primary loop with partial short... -
Page 24: Spare Parts
Page 24 of 26 Document UT-MT-0782_EN Supersedes edition 06/05/2020 Edition 12/12/2023 LED ELEVATED TAXIWAY EDGE LIGHT LETE INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE SPARE PARTS CODE DESCRIPTION RISL50001 Plug FAA L-823 Style 6 L=0.5m RISL50002 Plug FAA L-823 Style 6 L=0.6m RISL50003 Kit Breakable coupling 1”... - Page 26 OCEM AT a division of ENERGY TECHNOLOGY S.r.l. Via della Solidarietà, 2/1 - 40056 Valsamoggia (Bologna) - Italy...
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