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Northern Airborne Technology Ltd.

1925 Kirschner Road

Kelowna, BC, Canada.

V1Y 4N7

Telephone (250) 763-2232

Facsimile (250) 762-3374

Issued on the authority of Northern Airborne Technology Ltd.

Installation and Operation Manual

AA20 Series

PA/Siren System

SM33-1

ISSUE 4.01

Содержание AA20 Series

Страница 1: ...irschner Road Kelowna BC Canada V1Y 4N7 Telephone 250 763 2232 Facsimile 250 762 3374 Issued on the authority of Northern Airborne Technology Ltd Copyright 2008 Installation and Operation Manual AA20 Series PA Siren System SM33 1 ISSUE 4 01 ...

Страница 2: ...s information has been published previously in the SM02 Service manual AA20 22 23 PA110 220 Series Loudhailer PA Systems The information presented in this manual is for reference purposes only and is intended to provide general information that can be used by the installer technician to gain a fundamental understanding of the product It is not intended to cover all variations of the AA20 Series au...

Страница 3: ...stallation and operation manual is controlled by issue shown on the title page The status of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated into the latest issue ISSUE REVISION RECORD Manual Issue Number Section Revision Number Revision Description Issue Date 4 01 Section 1 Rev 1 00 Section 2 Rev 1 00 S...

Страница 4: ...tal Specifications 1 2 1 5 Unit Nomenclature 1 2 2 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Continued Airworthiness 2 1 2 4 Installation Procedures 2 2 2 4 1 Warnings 2 2 2 4 2 Cautions 2 2 2 4 3 Cabling and Wiring 2 2 2 4 4 Post Installation Checks 2 3 2 5 Adjustments and Connections 2 4 2 6 Accessories Required But Not Supplied 2 4 2 7 Installatio...

Страница 5: ...Features The main functions of the AA20 include selection of audio sources for the paging audio and siren for alerting Microphone interfacing is accomplished from either an AA9X AMS4X series audio controller or a carbon equivalent microphone An external radio feed is provided The internal siren is adjustable for tone rate and level Provision is made for external power switching to allow PA110 220 ...

Страница 6: ...cluding mating connector Mounting Standard Dzus Mounting four fasteners 1 4 3 Environmental Specifications Temperature 20 to 55 C ambient Altitude 35 000 feet max Humidity 95 Non condensing Shock 12g any axis 1 5 Unit Nomenclature AA20 030 Standard swept siren adjustable rate tone Mode select PA Radio monitor 30 W output into 8 Ω PA and Siren override at all times Radio Monitor function 28 Vdc swi...

Страница 7: ...0 Issue 4 Page 1 3 ENG FORM 800 0113 DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD AA20 430 3 tone chime adjustable rate tone Mode select PA Tape 25 W output into 8 Ω PA override at all times Seatbelt chime interlock Sidetone output chime with PA key Section 1 ends ...

Страница 8: ...nty All Northern Airborne Technology Ltd products are warranted for 2 years from date of installation by an authorized NAT dealer to be free of defects in workmanship or performance This warranty covers all materials and labour but is exclusive of any transport to deliver the defective unit to and from NAT or its designated warranty repair center or any labour to remove or re install the defective...

Страница 9: ... wire with solder sleeves for shield terminations to make the most compact and easily terminated interconnect Follow the connector map in Section 2 7 as required Allow 3 from the end of the shielded wiring to the shield termination to allow the connector hood to be easily installed Reference the interconnect drawing in Section 2 7 for shield termination details Note that the hood is a clamshell ho...

Страница 10: ... 8 Ω speaker connected 2 4 4 2 Power On Checks Power up the aircraft s systems and confirm normal operation of all functions of the AA20 Refer to Section 3 Operation for specific operational details a Turn on all of the radios and other accessories required for this system Check that the POWER ON LED on the AA20 illuminates when the power switch is selected to ON b Key the siren using the front pa...

Страница 11: ...Tone Master Level Figure 1 Adjustments 2 6 Accessories Required But Not Supplied Installation kit p n AA20 IKC crimp is required to complete the installation The kit consists of the following Quantity Description NAT Part No 1 D min 25 Socket Housing 20 21 025 25 MS Crimp Socket 20 26 901 1 Jack Screw Set 20 27 002 1 Lock Clip Set 20 27 004 1 25 Pin Connector Hood 20 29 026 Use as required 2 7 Ins...

Страница 12: ...tallation AA20 050 AA20 050 302 20 050A 1 00 PA Siren System Block Diagram AA20 050 403 20 050A 1 00 PA Siren System Interconnect AA20 050 405 0 1 01 PA Siren System Connector Map AA20 050 905 0 1 10 PA Siren System Faceplate AA20 050H AA20 050 302 20 050A PA Siren System Block Diagram AA20 050 403 20 050A PA Siren System Interconnect AA20 050 405 0 PA Siren System Connector Map AA20 050H 905 0 1 ...

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Страница 24: ...Confidential and Proprietary to NAT ...

Страница 25: ...Confidential and Proprietary to NAT ...

Страница 26: ...Confidential and Proprietary to NAT ...

Страница 27: ...hrough the side of the controller When the AA20 is turned on a POWER KEY signal is generated This signal is used to turn on the PA amp if connected in system The high current DC power to operate the PA110 220 is supplied by the aircraft 3 3 Controls and Indicators 3 3 1 Power Up To activate the AA20 PA Siren system flip the POWER toggle switch up to the ON position The LED adjacent to the switch s...

Страница 28: ...on switch selects between Internal and External P A The siren is disabled when the function switch is set to Internal Internal PA Operation For internal PA Siren systems or paging functions set the function switch on the AA20 050 to INT Key the microphone through the cyclic or hand mic switch and speak in a firm clear manner External PA Operation For external PA Siren systems or paging functions s...

Страница 29: ...nt feedback Volume Control 3 3 4 External Siren The external siren is operated by depressing the SIREN button on the front of the AA20 or by a remote keying switch The siren will sound only as long as the button is depressed Siren Button If the siren does not suit the specific requirements of a given installation the base tone sweep rate and siren level may be adjusted by your installer 3 3 5 Remo...

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