Nat LD08, Installation And Operation Manual

Page 1: ...art of SM15 LD08 Lamp Dimmer Manual INSTALLATION AND OPERATION MANUAL REV 4 00 November 21 2003 Northern Airborne Technology Ltd 1925 Kirschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Copyright 2003 by Northern Airborne Technology ...

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Page 3: ...ly NAT will release manual amendments In order to maintain the most accurate and up to date manual these amendments should be carried out immediately upon receipt and recorded on the following amendment record AMENDMENT RECORD Amendment Number Amendment Date Section s Changed Date Entered Entered By Insert any Amendment Instruction sheets after this page ...

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Page 5: ...fications 1 2 1 4 3 Environmental Specifications 1 3 1 5 Unit Nomenclature 1 3 2 0 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 3 Installation Procedures 2 1 2 3 1 Warnings 2 1 2 3 2 Notes 2 1 2 3 3 Cable and Wiring 2 2 2 4 Installation Options 2 2 2 4 1 Optional Dimmer Adjustment 2 2 2 4 2 NORM EMERG BYPASS Switch 2 3 2 5 Post Installation Checks 2 3 2 5 1 Voltage resistan...

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Page 7: ...ral lamp test function all on a single panel mounted toggle switch Optional interconnect permits adjustment of the annunciator dimming with an external 10 kΩ potentiometer 1 3 Features Internal logic is provided to interface both the floating lamp connections of the PB08 and annunciators triggered by a ground output An adjustable lamp dimmer is provided to drive eight separate 28 Vdc 40 mA lamp li...

Page 8: ...le connections Logic Ground for lamp test Ground for dimmer or 10kΩ pot to ground Open for Day Operation undimmed Annunciators 2 Floating circuits For PB08 RS08 6 Ground keyed circuits for system indicators All short circuit protected DIM OUT Direct connection to dimmer output 320 mA max load 8 ea 40 mA lamps Normally used for connection to RS08 DIM IN Direct connection to internal lamp bus 1 4 2 ...

Page 9: ...5 000 ft max equivalent Humidity 95 Non Condensing Shock 12g any axis 1 5 Unit Nomenclature The following list indicates the models available at the date of publication of this document Other models may be available Model Description Distinction LD08 001 8 circuits of lamp dimming or test functions Correct interface to PB08 when used with RS08 6 additional lamp lines 28 Vdc operation Day night ann...

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Page 11: ... and send it to NAT when the installation is complete If you fail to complete the warranty card the warranty will be activated on date of shipment from NAT 2 3 Installation Procedures 2 3 1 Warnings Do not bundle any lines from this unit with transmitter coax lines In all installations use shielded cable exactly as shown and ground ONLY as indicated Significant problems may result from not followi...

Page 12: ...mal installation of the LD08 requires a single toggle switch for the pilot s control It is recommended that the switch should be a SPDT center off toggle spring loaded in the TEST position Alternatively the DIM function can be selected by a separate switch or tied into another switch function and the lamp test can be activated by a momentary pushbutton switch The switch should be connected to sele...

Page 13: ...al circuitry of the LD08 2 5 2 System Checks Install the LD08 and power up the ship s systems Ensure that operation is correct DIM LEVEL trimpot or switch and that all lamps are fully functional The system cannot be accepted for service until all annunciations and lamp test dim operations are correct Adjust the DIM LEVEL position to a nominal 14 Vdc or to suit the pilot s preference 2 6 Continued ...

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Page 15: ...Confidential and Proprietary to NAT ...

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Page 27: ...ically 12 14 Vdc or to accommodate varying light conditions it can be installed with a small dimmer control to allow adjustment of these lamps over the range of approximately 8 19 Vdc In addition to providing dimming the LD08 also provides a central lamp test function driving all lamps full on to test for proper operation 3 2 Operation The LD08 Lamp Dimmer has no normal user operational aspects Du...

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