Nat LD08 Installation And Operation Manual

Hide thumbs

Table Of Contents

Table of Contents

Quick Links

Download this manual

Part 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

CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.

Table of Contents

Need help?

Do you have a question about the LD08 and is the answer not in the manual?

Questions and answers

Summary of Contents for Nat LD08

Page 1 Part 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...
Page 3 SM15 Rev 4.00 LD08 Lamp Dimmer Manual Periodically 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.
Page 5: Table Of Contents
SM15 Rev 4.00 LD08 Lamp Dimmer Manual Table of Contents Section Title Page Description Introduction Purpose of Equipment Features Specifications 1.4.1 Electrical Specifications 1.4.2 Physical Specifications 1.4.3 Environmental Specifications Unit Nomenclature Installation Introduction Unpacking and Inspection Installation Procedures 2.3.1 Warnings 2.3.2...
Page 7: Introduction
Information in this section consists of purpose of equipment, features and specifications. Purpose of Equipment The LD08 is a bulkhead mounted dimming and lamp test unit, specifically designed to handle the complex annunciator requirements of LORAN C/GPS systems sharing an existing NAV system indicator.
Page 8: Specifications
LD08 Lamp Dimmer Manual SM15 Rev. 4.00 Specifications 1.4.1 Electrical Specifications Input Power +18 to 33 Vdc at 100 mA max. (excluding lamps) Lamps Type 327/387 for 28 V (40 mA) All lamp lines include ‘loop-through’ pins, to eliminate the requirement for an external terminal block for...
Page 9: Environmental Specifications
SM15 Rev. 4.00 LD08 Lamp Dimmer Manual 1.4.3 Environmental Specifications Temperature -40°C to +70°C Ambient -55°C to +85°C Survival. Altitude 15,000 ft. max. (equivalent) Humidity 95% Non-Condensing Shock 12g (any axis) Unit Nomenclature The following list indicates the models available at the date of publication of this document.
Page 11: Introduction
(open) if a permanently shorted lamp is connected. This will be immediately visible on the lamp test function, but will require bench repair of the LD08 to correct. This circuit protects the entire lamp dimmer bus from failure if a single lamp circuit should short externally.
Page 12: Cable And Wiring
(1 A) and not bundled to any other source. Installation Options The normal 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.
Page 13: Post-Installation Checks
Post-Installation Checks 2.5.1 Voltage/resistance checks Disconnect the LD08 from its mating connector. Check pin 1 for 28 Vdc and pin 17 for ground. Ensure that the lamp connections are correct, as mis-wiring may cause a permanent failure of the LD08.
Page 15 Confidential and Proprietary to NAT...
Page 17 Confidential and Proprietary to NAT...
Page 19 Confidential and Proprietary to NAT...
Page 27: Operation
Section 3.0 Operation General The LD08 provides dimming and lamp test functions for up to eight lamp lines (normally annunciators for navigation system operation). It can drive the eight lamps to either a fixed night dim value (typically 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.