1. Manuals
  2. Brands
  3. OCEM Manuals
  4. Lighting Equipment
  5. LERA P-001
  6. Manual

OCEM LERA P-001 Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
631e8d33-0eb0-418b-9255-489c37a0e0d1
Use and Maintenance Manual
Led
Elevated
Runway
Approach
ELEVATED LED FIXTURE
APPROACH
THRESHOLD
WING BARS
RUNWAY END
ocem
EN

Advertisement

Table of Contents
loading

Related Manuals for OCEM LERA P-001

Summary of Contents for OCEM LERA P-001

  • Page 1 631e8d33-0eb0-418b-9255-489c37a0e0d1 Use and Maintenance Manual Elevated Runway Approach ELEVATED LED FIXTURE APPROACH THRESHOLD WING BARS RUNWAY END ocem...
  • 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: Table Of Contents

    LERA GENERAL INFORMATION Package content Manual reference guide Safety instructions Safety symbols 1.5 Definition of operator Limited warranty CE marking 1.8 Confidentiality, industrial property rights 1.9 Disposal 1.10 Article identification 1.11 Photo-biological risk FIXTURE DESCRIPTION 2.1 General characteristics 2.3 Configuration and assembling Monitoring Arctic kit Article number Wiring Mounting system INSTALLATION 3.1 Fixture placement...
  • Page 4 LERA 4.7 Replacement of the LED module 4.8 Replacement of the Driver Board 4.9 Replacement of the arctic kit 4.10 Replacement of the support 4.11 Troubleshooting 4.12 Spare parts UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 5: General Information

    LERA GENERAL INFORMATION Package content The LERA of OCEM Airfield Technology is an elevated LED fixture, high intensity type, for unidirectional emissions and with steady light designed for the following use of: ● FAA: threshold/runway end; ● ICAO: approach, threshold, wing bars, runway end. Immediately check for visible damages of the containing box. Carefully remove the device and check for visible damages. Before proceeding read all warnings on the packaging. Store the device in its original packaging until the time of installation. Do not lift the device from the supply cables to avoid damaging the cables or the watertightness of the device.

  • Page 6: Manual Reference Guide

    LERA Manual reference guide This document contains all the information related to the equipment and describes the procedures to follow during the installation of the product and during ordinary maintenance. The document is indented for all operators that must intervene on the equipment. This document does not replace in any manner applicable laws, rules or regulations, included the standards FAA and ICAO. The precautions provided in the manual are always preceded by a symbol as illustrated below: Indicates the warnings, the notes, the suggestions and other points on which is intended to draw the attention of the reader.

  • Page 7: Safety Symbols

    All operations on equipments and on its internal parts must be performed by professional staff, properly trained for Cardio Pulmonary Resuscitation (CPR) techniques. Never operate on devices if there is not at least another operator properly trained for CPR techniques. Check that Operators do not operate outside their own specific fields of competence and responsibility. OCEM Airfield Technology declines any and all liability arising from wrong operations carried out by untrained personnel in the use of the devices, or deriving from the non compliance of general safety standards. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 8: Limited Warranty

    Product, only on condition that this Product is resold as NEW and with the original packaging. Each change and/or tampering made to the product immediately terminates the warranty. OCEM Airfield Technology cannot be held responsible for any damage to items or persons deriving from the failure to comply with instructions relating to installation, use and maintenance of the product, and to the installation and storage environmental conditions stipulated by the Manufacturer or by applicable rules regarding electrical devices and systems.

  • Page 9: Ce Marking

    LERA CE marking This equipment complies with the requirements of European legislation for the CE marking. The user should carefully read this document and respect all the requirements quoted. This equipment meet the requirements in relation to health and safety of the main EC directives, and in particular of the EMC Directive on electromagnetic compatibility (2014/30/EU) and of the LV Directive relating to electrical equipment designed for use within certain voltage limits (2014/35/EU). Confidentiality, industrial property rights The Customer needs to adopt the maximum confidentiality with respect to all the information of technical nature (including, by way of example and not exhaustively, plans, programmes, documentation, formulas, recipes, setting and correspondence) received by the Supplier or in any case assimilated or gained during the conclusion of the Contract of sale. Any right regarding intellectual and industrial property connected to equipment and to any other element included in the supplied Goods as indicated in the Contract remain exclusive property of the Supplier. Disposal At the end of use, the user must confer all the waste in suitable differentiated waste collection centres. It is the responsibility of the user the correct disposal of the equipment in accordance with the WEEE Directive and with the respective national laws in force at the time of disposal. These equipments must never be disposed of in the household waste. 1.10 Article identification On each equipment there is an identification plate of the article, where the article code is reported; on the plate there are additional data: the name of the model, employments or use, power supply features, any trademarks and/or marks that attest the agreement of the equipment to specific regulations or legislations. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 10: Photo-Biological Risk

    LERA 1.11 Photo-biological risk The fixtures LERA are designed and manufactured in compliance with current regulations, but if used unsafely or without precautions, the light emitted by the fixture, reaching even high levels of intensity, can be harmful not only to those who use the light fixture locally, but for anyone within the light beam range. The optical radiation issued by the equipment does not present any particular photo-biological risks, however can be harmful. Don’t look directly inside the light source during high intensity operation. Wear appropriate personal protective equipment (goggles or similar protections). UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 11: Fixture Description

    LERA FIXTURE DESCRIPTION General characteristics The fixtures LERA are designed for the purpose of providing visual guidance to approaching, landing and take-off aircrafts on ICAO CAT I, II and III, FAA (IFR precision instrument), militar runways in the following applications: ● Approach: ICAO. ● Runway threshold: FAA AC150/5345-46 L-862E, ICAO. ● Wing bars: ICAO. ● Runway end: FAA AC150/5345-46 L-862E, ICAO. The fixtures LERA can be also used on ICAO traffic routes in the following applications: ● Stop bar: FAA AC150/5345-46 L-862S, ICAO The LERA is compliant with the rules: ICAO (Annex 14 - Volume I [Fig. A2-1, A2-2, A2-3, A2-4, FAA (AC150/5345-46, EB67 [L-862S]) A2-8, A2-12]) IEC (TS 61827) NATO (Stanag 3316) CAA (CAP 168) TCAA (TP312) ENAC (Airport Construction Regulation) EASA (CS-ADR-DSN - Volume I [figures U-5, U-6, U-7, U-8, U-12]) CASA (Manual of Standards Part 139)

  • Page 12: Use

    LERA The fixtures LERA are realised in different versions, to meet the requirements of the regulations depending on the use: ● Axis and bar approach: module 14 LED WHILE colour ● Side approach bars: module14 LED RED colour ● Threshold: module 14 LED GREEN colour ● Wing bars: module 14 LED GREEN colour ● Runway end: module 7 LED (with separate lens) RED colour ● Stop bar (FAA): module 7 LED (with integrated lens) RED colour ● Stop bar (ICAO): module 7 LED (with integrated lens) RED colour Configuration and assembling The fixtures LERA are supplied in different configurations depending on the assembly mode provided for the device: ● Direct assembly: the fixtures are complete with frangible coupling (configuration/assembling: P-001). The body is directly installed on the coupling that is fastened to the anchorage (threading 2” GAS). The fixture in this configuration is completely assembled, with bipolar plug FAA L-823 Style ● Mounting on pole with frangible coupling: the fixtures are supplied without pole and without coupling (configuration: C). Depending on the configuration the fixtures can be supplied in the following configurations: 000: fixture without power cable, suitable for the mounting on pole with frangible coupling. The bulkhead connector installed on the body of the fixture is equipped with connector which allows the connection to...

  • Page 13: Monitoring

    LERA Monitoring On request, a light emission source status monitoring module integrated in the device is supplied. In the event of a fault or failure it promptly returns the open circuit information to the secondary circuit of the isolation transformer. Arctic kit The arctic kit option meets the FAA specifications (Engineering Brief N.67) preventing the formation of ice on the protective transparent glass by heating the body of the fixture near the glass. The heater automatically activates when the temperature falls below -1 °C and is turned off when the detected temperature is higher than +10 °C. Article number example: LERA TG - P - 001 - 0 - A Use [Colour] Axis and bar approach [White] Side approach bars [Red] Threshold [Green] Wing bars [Green] Runway end [Red] Stop bar (FAA) [Red] Stop bar ICAO [Red] Configuration Fixture complete with frangible coupling* Fixture without frangible coupling** Assembly (P) With coupling (C) Without coupling 001 = Complete fixture without cable with cable (0,50 m)

  • Page 14: Wiring

    LERA Wiring The LERA fixture can be connected through connectors FAA L-823 style 5/6 to an isolation transformer in series FAA L-830/L831 (60/50 Hz). The consumption varies depending on the number of light sources installed and on the presence of any arctic kit. The nominal values related to the greater absorption configuration (measured during the operational phase at 6.6 A with toroidal isolation transformer 65 W) are given in the table below: Without Arctic Kit With Arctic Kit AC [W] 38 VA 55 VA AR [R] 26 VA 43 VA TG [G] 30 VA 47 VA WG [G] 30 VA 47 VA ER [R] 20 VA 37 VA SB [R] 20 VA 37 VA BA [R] 17 VA 34 VA The power factor values are given in the table below: 2.8 A...

  • Page 15: Installation

    LERA INSTALLATION Fixture placement The signalling devices, in combination with horizontal and vertical fixtures, provide information to the pilots and therefore represent a fundamental driving aid. These devices must always be in operating condition and must be clean, maintained and, if necessary, replaced as soon as their visibility is affected. The chromatic features of signalling optical devices must be compliant with the dispositions of competent bodies and with the regulations in force. For the positioning of the fixtures always refer to the requirements of the relevant Standards: • ICAO Annex 14 Volume I • FAA 150/5345-46 for the construction and operation of airports; •...

  • Page 16: Preliminary Operations

    LERA Preliminary operations Use the fixture only in combination with compatible supports. The fixture is normally installed on a concrete block. Ensure the verticality of the upper part of the support. Using a bubble level check that the fastening surface of the flange (on the concrete or on the base plate) is perfectly at level. In the case of an elbow pipe, ensure the verticality of the upper part of the pipe. Do not proceed with installation if the supports are damaged or not aligned. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 17: Bipolar Cable Connection

    LERA Bipolar cable connection The assembly of the power supply cable must be performed only by professional staff, in compliance with all the safety requirements of the laws and regulations in force in the country of use. Carry out operations on the bench, with all elements detached from energy sources. Never operate on potentially active components.
  • Page 18 LERA Slightly screw the cable clip nut: perform a single turn to secure the cable in position and insert the conductors in the terminals 1 (small PIN), 2 (big PIN). Cut off the part of the conductors in excess at the terminal. Make the earth connection: connect the conductor to the ground screw located on the lower part of the body. Pass the cable through the support and insert it into the bulkhead coupling, observing the numbering on the joint. Using the open hexagonal key (not included) completely tighten the cable clip nut with the indicated tightening torque. Reassemble the support. Tighten the screws with the indicated tightening torque. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 19: Installation Of The Light Fixture Directly On The Coupling (Configuration P)

    LERA Installation of the light fixture directly on the coupling (configuration P) Store the device in its original packaging until the time of installation. Proceed assembling the fixture and check the supply features before installing the fixture. Pay particular attention to the proper positioning of the fixture on the base. The fixtures installed directly on the coupling (configuration P) are supplied with the frangible coupling. Use the fixture only in combination with compatible supports.

  • Page 20: Installation Of The Light Fixture Directly On The Pole (Configuration C)

    LERA Installation of the light fixture directly on the pole (configuration C) Store the device in its original packaging until the time of installation. Proceed assembling the fixture and check the supply features before installing the fixture. Pay particular attention to the proper positioning of the fixture on the base. The fixtures installed on the pole (C configuration) are supplied without pole and without any frangible coupling.
  • Page 21 LERA If foreseen, screw and tighten the frangible coupling to the base. Insert inside the coupling the cable of the secondary of the transformer (with socket) and the ground cable (ground connected inside the base). Make the electrical connections: insert the plug of the fixture in the socket coming from the transformer and joint the ground cable with the protective conductor coming from the base. Insert the pole on the coupling and tighten the locking screws (respecting the verticality of the pole). UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 22: Installation Of The Light Fixture On The Folding Pole (Configuration C)

    LERA Installation of the light fixture on the folding pole (configuration C) Store the device in its original packaging until the time of installation. Proceed assembling the fixture and check the supply features before installing the fixture. Pay particular attention to the proper positioning of the fixture on the base. The fixtures installed on the pole (C configuration) are supplied without pole and without frangible coupling. Use the fixture only in combination with compatible supports.

  • Page 23: Fixture Pointing On Fixed Support

    LERA Fixture pointing on fixed support Make an initial pointing of the fixture by hand. Rotate the body of the fixture until orienting the fixture in the desired direction. The positioning of the light elements varies depending on the use. Ensure that the device is used correctly for its intended purpose, in accordance with the installation project and the regulations in force. Install the pointing tool on the body of the fixture and proceed to adjust the light beam.
  • Page 24 LERA Align the fixture. Place a post as a pointing reference. Rotate the knob to unlock the azimuthal convergence adjuster of the optical pointer and set the angle defined by the standards. Turn the knob to lock the pointer in position. Use the optical pointer to correctly align the light beams. Make small movements until reaching the right position. Keeping the alignment fixed, tighten the screws present on the coupling to the indicated torque paying attention not to send the locking nut to stroke on the coupling. Therefore tighten the nuts to the indicated torque. HORIZONTAL POINTING Approach runway edge and transverse bars* Threshold up to 315 m 0°...
  • Page 25 LERA Level the fixture. Rotate the knob to unlock the zenith adjuster of the optical pointer and set the angle defined by the standards. Turn the knob to lock the pointer in position. Loosen the locking screws of the fixture. Act on the adjustment tie rod and proceed to fine adjustments of the zenith pointing. After adjustment, tighten the screws present on the support to the indicated torque. Use the level present on the pointing tool to correctly align the fixture. Make small movements until reaching the right position. At the end of the operations remove the tool and complete the installation. VERTICAL POINTING Approach runway edge and transverse bars* Threshold up to 315 m +5.5° from 316 to 475 m +6.0°...

  • Page 26: Pointing And Alignment On Folding Pole

    LERA Pointing and alignment on folding pole The positioning of the light elements varies depending on the use. Ensure that the device is used correctly for its intended purpose, in accordance with the installation project and the regulations in force. For correct evaluation of angles, take into account the orientation of the support pole.
  • Page 27 LERA Position the goniometer to detect the zenith orientation and adjust the light beam. Loosen the locking screws of the fixture. Act on the adjustment tie rod and proceed to fine adjustments of the zenith pointing. After adjustment, tighten the screws present on the support to the indicated torque. Use the level present on the pointing tool to correctly align the fixture. Make small movements until reaching the right position. carry out the verification of the pointing (see following paragraph). Example: angle of repose detected: 10°; elevation angle: 8°. Pointing angle (to be read on the goniometer when locking): 90° - 10° - 8° = 72° At the end of the operations remove the tool and complete the installation.
  • Page 28 LERA Verification of the pointing of the fixture on pole head After each pointing operation, check that the fixture setting is correct. Act on the lever to lock the rotation of the goniometer and connect the nylon string. Lift the pole to the working position. When the pole is in position, act on the string to temporarily unlock the goniometer and detect the actual angle. Wait for the goniometer to settle then release the string to lock the goniometer again. Proceed to lower the pole. Read the measured value and check that it corresponds to the project angle. If necessary, make required adjustments and repeat the verification. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 29: Removal Of The Light Fixture

    Removal of the light fixture Ensure that the energy sources are cut before proceeding. Do not try to remove the fixture from the base by using different tools of the extraction equipments indicated by OCEM Airfield Technology. Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 min) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 30 LERA Page intentionally left blank UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 31: Adjustments And Maintenance

    LERA ADJUSTMENTS AND MAINTENANCE Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 min) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.

  • Page 32: Fixture Opening

    LERA Fixture opening Every time that the fixture body is opened, all the seals must be replaced: use only original spare parts by OCEM Airfield Technology. Whenever the LERA fixture is opened, it must be ensured that: ● the optical unit is undamaged and clean; ● there are no infiltration; ● the supply cables and the connectors are undamaged and do not have breakdowns or abrasions. Unscrew the four captive screws and open the fixture. Disconnect the supply cables and the ground cable (1). If present, disconnect the supply cables of the resistance of the arctic kit (2). Remove the light assembly. We recommend to immediately replace the light assembly with a functioning spare part. No further adjustments are necessary when commissioning the new device.

  • Page 33: Fixture Closing

    LERA Fixture closing Every time that the fixture body is opened, all the seals must be replaced: use only original spare parts by OCEM Airfield Technology. Arrange the supply cables present in the support and insert the light assembly. Pay attention not to damage the cables. Connect the supply cables respecting the polarity (brown cable -> cable with white marker; black cable -> black cable) and the ground cable (yellow-green cable -> tongue). Clean the internal surface of the protective glass. Do not use solvent or diluent products to avoid damaging the materials. Dry thoroughly the internal sides of the device.

  • Page 34: Cleaning The Front Glass

    LERA Cleaning the front glass Before carrying out any intervention on the fixture, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.

  • Page 35: Replacement Of The Front Glass

    LERA Replacement of the front glass Before carrying out any intervention on the fixture, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.

  • Page 36: Replacement Of The Power Cable

    LERA Replacement of the power cable Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 37 LERA The assembly of the power supply cable must be performed only by professional staff, in compliance with all the safety requirements of the laws and regulations in force in the country of use. Carry out operations on the bench, with all elements detached from energy sources. Never operate on potentially active components.
  • Page 38 LERA Cut the cable to the desired length: the cable length shall be sufficient to allow the connection of the device on the type of support envisaged in the installation project. The length L of the cable must be approximately 150 mm greater than the height H of the support. If the power supply cable replacement kit is composed by unipolar cables attested to a Style 6 plug and ground cable, insert the cables in the three wires cable gland gasket. Lubricate the cables with alcohol. Slightly screw the cable clip nut: perform a single turn to secure the cables in position and insert the conductors in the terminals 1 (small PIN), 2 (big PIN) and (ground cable). If the power supply cable replacement kit is composed by an attested bipolar cable to a Style 1 plug and ground cable, insert the cables in the cable gland gasket. Slightly screw the cable clip nut: perform a single turn to secure the cable in position and insert the conductors in the terminals 1 (small PIN), 2 (big PIN). UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...
  • Page 39 LERA Cut off the part of the conductors in excess at the terminal. Make the earth connection: connect the conductor to the predisposed ground screw located on the lower part of the body. Pass the cable through the support and insert it into the bulkhead coupling, observing the numbering on the joint. Using the open hexagonal key (not included) completely tighten the cable clip nut with the indicated tightening torque. Reassemble the support. Tighten the screws with the indicated tightening torque. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 40: Replacement Of The Led Module

    LERA Replacement of the LED module Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 41 LERA Disconnect the connector and remove the LED module to be replaced and the thermal pad. Check that the lens are not damaged. Clean the installation site of the LED module. Do not use solvent or diluent products to avoid damaging the materials. Dry thoroughly the internal sides of the device. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...
  • Page 42 LERA Check that the replacement LED module match the desired colour configuration. If necessary, replace the lens with spare parts matching the original configuration. Position the LED module, complete with thermal pad, centring it on the predisposed holes. Position the lenses, if foreseen. Check that the lens (if foreseen) package is perfectly installed on the LED module. Tighten the screws with the indicated torque values.
  • Page 43 LERA Monitoring reset If the fixture is equipped with monitoring device, restore the monitoring circuit before proceeding to close the fixture. Unscrew the two captive screws and open the rear cover. Remove the resinated electronic unit, paying attention not to damage the cables and the internal connections of the fixture. Access the internal resinated body. Position the JUMPER on the JM1 pins present on the resinated body. Connect with a supply cable to the fixture and connect the unit to the supply test. Set the current to 4.1 A (step 3). Power the fixture and wait that the LED D13 switches off. Interrupt the supply test. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...
  • Page 44 LERA Remove the JUMPER from the JM1 pins present on the resinated body. Power the fixture and check that the LED light up correctly. Interrupt the test feed and disconnect the fixture. Reassemble the unit. The device now is ready for the installation on the runway. The fixture will self-calibrate during the first test ignition of the circuit: keep the circuit powered with a constant current of 6.6 A for at least 10 consecutive minutes. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 45: Replacement Of The Driver Board

    LERA Replacement of the Driver Board Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 46 LERA Pay particular attention to the disconnection phase of the power cable of the LED module (1). According to the version the positioning of the connectors may differ. In case of damage, replace the power cable of the LED module. Do not reconnect connectors or damaged cables. Unthread the supply cables (2) of the fixture from the support of the LED module. Disconnect the ground cable (3) from the terminal block positioned inside the support of the LED module. If present, unthread the supply cables of the resistance of the arctic kit (4) from the support of the LED module. Check that the Driver Board spare part matches the component installed on the fixture. ATTENTION: Check the product codes before reconnecting the component. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...
  • Page 47 LERA Check that the driver board spare part matches the desired configuration. Bring the driver board spare part close to the LED module support and connect the power supply cable to the LED module (1). Insert the supply cables (2) of the fixture in the lower opening of the LED module. Connect the ground cable (3) inside the support of the LED module. If present, insert the supply cables of the resistance of the arctic kit (4) from the support of the LED module. Respect the direction of the driver board during assembly phase. Please refer to the indications on the rear cover. check the proper functioning of the gasket. Close the light unit and screw the two captive screws. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 48: Replacement Of The Arctic Kit

    LERA Replacement of the arctic kit 4.9.1 Replacement of the resistance Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 49 LERA Place the glass complete with gasket in the front gasket seat (fastened to the frame). Respect the direction of the glass during assembly phase. Match the supply point with the lower part of the front frame (in correspondence of OCEM logo). Bring the front frame closer to the fixture body and connect the supply cables of the resistance. Insert the cables in the lower opening of the LED module and close the fixture. Completely insert the cables inside the cavity when coupling the parts.
  • Page 50 LERA 4.9.2 Replacement of the thermostat Before carrying out any intervention on the device, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 51 LERA Connect the new thermostat and place it inside the cover using the locking screws. Tighten the screws with the indicated torque values. check the proper functioning of the gasket. Position the cover without damaging the cables of the thermostat and screw the four screws. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 52: Replacement Of The Support

    LERA 4.10 Replacement of the support Before carrying out any intervention on the fixture, cut off all external power sources and place appropriate work-in-progress warnings on the systems. Wait for the discharging time (at least 5 minutes) and check using appropriate instruments that there are no residual energies before accessing the electrical equipment.
  • Page 53 LERA Screw and tighten the frangible coupling to the base. Insert inside the coupling the cable of the secondary of the transformer (with socket) and the ground cable (ground connected inside the base). Make the electrical connections: insert the plug of the fixture in the socket coming from the transformer and joint the ground cable with the protective conductor coming from the base. Tighten uniformly the screws present on the body of the fixture until stopping the fixture on the pole (without tightening).

  • Page 54: Troubleshooting

    LERA 4.11 Troubleshooting Carefully read the manual, and in particular safety information, before proceeding with the resolution of common faults. Problem Possible cause Solution When the fixture is powered, the light The lens could be broken or damaged. Replace the damaged lens. flow appears distorted. The primary circuit may have a partial Check the status of the power short-circuit. cable and, if necessary, restore the connection. The isolation transformer could be Check the status of the isolation faulty. transformer with appropriate instruments and, if necessary, replace the damaged component.
  • Page 55 LERA Problem Possible cause Solution If the fixture is not equipped with Replace the damaged LED module. monitoring circuit, the LED module could be faulty or short-circuited. The installed electronic board could Replace the electronic board. be faulty. Humidity may be present inside the Check the presence of humidity fixture. inside the fixture. Clean and dry all internal parts inside the fixture. Check the status of the gaskets. If necessary replace the gaskets and reassemble the fixture. The primary circuit may have a partial Check the status of the power short-circuit. cable and, if necessary, restore the When the fixture is powered, the connection.
  • Page 56 If after trying the proposed solutions the problem persists, contact OCEM technical support. Do not let running fixtures presenting signs of damage or fault. UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...

  • Page 57: Spare Parts

    LERA 4.12 Spare parts Always check the version of the fixture installed and the accessories present. LERA fixture Special support LED light assembly Fastening System Accessories Code Art. Grease for gaskets 752.1014 UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...
  • Page 58 LERA 4.12.1 Special support Description Fixture Code Code Art. Support body always valid RISLF0092 Support always valid RISLF0062 Complete tie rod always valid RISLF0063 Lower gasket (in gaskets kit) RISLF0018 █ █ █ █ █ █ █ Transparent front panel always valid RISLF0027 A C - RISLF0061 █...
  • Page 59 LERA 4.12.2 LED light assembly LED module Description Fixture Code Code Art. S B - RISLF0053 █ █ █ █ █ █ Module 7 LED (Red) B A - RISLF0054 █ █ █ █ █ █ E R - Module 7 LED (Red) RISLF0055 █...
  • Page 60 LERA Electronic module Description Fixture Code Code Art. A C - - 0 - 0 RISLF0066 █ █ █ █ A R - - 0 - 0 RISLF0067 █ █ █ █ T G - - 0 - 0 █ █...
  • Page 61 LERA Description Fixture Code Code Art. A C - - 0 - A RISLF0084 █ █ █ █ A R - - 0 - A RISLF0085 █ █ █ █ T G - - 0 - A █ █ █ █ RISLF0086 W G - - 0 - A...
  • Page 62 LERA 4.12.3 Fastening system Description Fixture Code Code Art. Frangible coupling for pole always valid RISLF0092 UT-MT-0812_2.0_24-01-2023 (EN) Use and Maintenance Manual...
  • Page 63 Contact us OCEM AT +39 051 66 56 611 info@ocem.com...
  • Page 64 Led Elevated Runway Approach OCEM AT a division of ENERGY TECHNOLOGY S.r.l. Via della Solidarietà, 2/1 - 40056 Valsamoggia (Bologna) - Italy ocem...

This manual is also suitable for:

Lera c-050Lera c-250

Table of Contents