Nautel FM10, Technical Instructions

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10 000 WATT FM BROADCAST TRANSMITTER
FM10
Contents (Page 1)
15 November 1999
TABLE OF CONTENTS
Section Page
1 GENERAL INFORMATION
1.1 INTRODUCTION ........................................................................................................ 1-1
1.2 FACTORY SUPPORT ................................................................................................ 1-1
1.3 PURPOSE AND SCOPE OF MANUAL....................................................................... 1-1
1.3.1 FAMILY TREE ............................................................................................................ 1-1
1.4 PURPOSE OF EQUIPMENT ...................................................................................... 1-1
1.5 MECHANICAL DESCRIPTION ................................................................................... 1-1
1.6 TECHNICAL SUMMARY ............................................................................................ 1-1
1.7 SPECIAL TOOLS AND TEST EQUIPMENT .............................................................. 1-1
1.8 GLOSSARY OF TERMS ............................................................................................ 1-1
2 UNPACKING AND INSTALLATION
2.1 PLANNING AND SITE PREPARATION ..................................................................... 2-1
2.1.1 TRANSMITTER ROOM REQUIREMENTS ................................................................. 2-1
2.1.1.1 Transmitter Dimensions ........................................................................................ 2-1
2.1.1.2 Transmitter Clearances......................................................................................... 2-1
2.1.1.3 Air Flushing........................................................................................................... 2-1
2.1.1.4 Cooling ................................................................................................................. 2-1
2.1.1.5 Heating ................................................................................................................. 2-1
2.1.1.6 Work Area ............................................................................................................ 2-1
2.1.2 LIGHTNING PROTECTION ........................................................................................ 2-2
2.1.2.1 Station Reference Ground .................................................................................... 2-2
2.1.2.2 AC Power Source ................................................................................................. 2-2
2.1.2.3 Antenna Feed Cable ............................................................................................. 2-2
2.1.2.4 Antenna Tower...................................................................................................... 2-2
2.1.2.5 External Control/Monitor Wiring ............................................................................ 2-2
2.1.3 ELECTRICAL POWER ............................................................................................... 2-2
2.1.3.1 Nominal Voltage ................................................................................................... 2-2
2.1.3.2 Voltage Stability.................................................................................................... 2-2
2.1.3.3 Power Consumption.............................................................................................. 2-3
2.1.3.4 External Switching ................................................................................................ 2-3
2.1.4 ANTENNA SYSTEM ................................................................................................... 2-3
2.1.4.1 RF Feed Cable ..................................................................................................... 2-3
2.1.5 RF DRIVE SOURCE ................................................................................................... 2-3
2.1.6 SAFETY INTERLOCK................................................................................................. 2-3
2.1.7 REMOTE CONTROL CIRCUITS................................................................................. 2-3
2.1.7.1 RF On Control ...................................................................................................... 2-3
2.1.7.2 RF Off Control ...................................................................................................... 2-3
2.1.7.3 Protection Reset ................................................................................................... 2-4
2.1.7.4 Power Increase ..................................................................................................... 2-4
2.1.7.5 Power Decrease.................................................................................................... 2-4
2.1.7.6 Low Power Select ................................................................................................. 2-4
2.1.8 EXCITER INTERLOCK ............................................................................................... 2-4
2.1.9 RF PERFORMANCE MONITORING........................................................................... 2-4
2.1.9.1 Forward Power Level ............................................................................................ 2-4
2.1.9.2 Reflected Power Level .......................................................................................... 2-4
2.1.9.3 RF Output Sample ................................................................................................ 2-4
2.1.9.4 Exciter Power Sample........................................................................................... 2-5