Siemens RL-854 manual Description, Introduction

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RL-854 Radio Control Unit
Type I, Style A	Description

Maintenance and Repair

(contd.)

•Check interlock systems periodically to ensure their effectiveness.

•Do not attempt to service electrical equipment if standing water is present. Use caution when servicing electrical equipment in a high- humidity environment.

•Use tools with insulated handles when working with electrical equipment.

2. Description

See Figure 1. This section describes the RL-854 Type I Radio Control system.

Figure 1. RL-854 Radio Control Unit
Introduction	The RL-854 Type I Radio Control system is used for air-to-ground control
	of airport lighting facilities. This equipment is manufactured to FAA
	specification AC 150/5345-49.
	The RL-854 Radio Control, consisting of an AM receiver and a Style A
	decoder, is a completely self-contained system for controlling lighting
	functions on an airport from a remote radio transmitter. The transmitter is
	usually the communications transmitter in an aircraft.

 2001 Siemens Airfield Solutions, Incorporated	96A0027L	Page 5
All rights reserved	Issued 5/01

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Contents RL-854 Radio Control Type I, Style a Record of Changes Rev Description EC No Checked Approved DateTable of Contents List of Figures Warranties Disclaimers Safety Safety Symbols RL-854 Radio Control Unit Type I, Style aSafety Symbols contd Qualified Personnel Intended UseInstallation OperationMaintenance and Repair Action in the Event of a System or Component MalfunctionDescription IntroductionIntroduction contd Options Radio Controller Power Handling CapabilityHeater Cabinet Equipment Specification DataMain Assembly ReceiverEquipment Specification Data Quantity Description Part Number Number Part DescriptionInterfacing Radio Controller Radio Control RestrictionsIntensity Control Periods Microphone Clicks Intensity Control contdClicks Theory of Operation GeneralMain Assembly contd Interface Panel Interface Panel contd Automatic Radio Control Installation Unpacking Installing Standard RL-854 Other L-821 ConfigurationsContd Assembling Antenna Tighten jam nuts against the hub to secure the radialsAssembling Antenna Installing Antenna Safety PrecautionsInstalling RL-854PR Radio Controller Mounting AntennaInstalling RL-854PR Radio Controller contd Operation Incremental Relay OptionDecoder PCB Indicators Controls and IndicatorsStartup Procedures ControlsStartup Procedures contd Startup Procedures contd Maintenance Introduction Receiver Frequency Setting SwitchTroubleshooting Problems and Possible Causes SolutionsRL-854 Radio Control Unit Part Numbering System Troubleshooting contdParts Using the Illustrated Parts List Description Part NumberType RL-854 Main Assembly Parts ListHeater RL-854 Main Assembly Parts RL-854 Motherboard Assembly Parts ListRL-854 Motherboard Assembly Parts List contd RL-854 Control Board and Fuse Assembly Parts List DS1Optional Parts Item No Description Part NumberSwitch Settings for Frequency Control of Receiver PCB RF FrequencyA-2 A-3 A-4 A-5 A-6 A-7 A-8 A-9 A-10 A-11 A-12 A-13 A-14 A-15 A-16