Nat AA21-400 Installation And Operation Manual
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Nat AA21-400 Installation And Operation Manual

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INSTALLATION AND OPERATION MANUAL
Copyright 2003 by Northern Airborne Technology
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
The document reference is online, please check the correspondence between the online documentation and the printed version.
AA21-400
Cabin PA System
REV. 4.00 November 10, 2003
Northern Airborne Technology Ltd.
1925 Kirschner Road
Kelowna BC, Canada
V1Y 4N7
Telephone (250) 763-2232
Facsimile (250) 762-3374
SM34

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  • Page 1 SM34 AA21-400 Cabin PA System INSTALLATION AND OPERATION MANUAL REV. 4.00 November 10, 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 CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
  • Page 2 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 3 SM34 Rev. 4.00 AA21-400 Cabin PA System 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 4 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 5 INSTALL_OPS MANUAL AMENDMENT Manual: SM34 (AA21-400) Amendment #: 3 Document # SM34\Install_Ops\809-0003 Amendment Date: Apr 21, 2009 The purpose of this amendment is to add the latest drawings to the manual. Amendment Instructions: Remove Pages Replace With Pages 2-5 Rev 4.00 Amendment 1 2-5 Rev 4.00 Amendment #3...
  • Page 6 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 7 INSTALL_OPS MANUAL AMENDMENT Manual: SM34 (AA21-400) Amendment #: 2 Document # SM34\Install_Ops\809-0002 Amendment Date: May 24, 2006 The purpose of this amendment is to correct the numbering sequence and add section 1.5 Accessories Required But Not Supplied to the table of contents.
  • Page 8 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 9 INSTALL_OPS MANUAL AMENDMENT Manual: SM34 (AA21-400) Amendment #: 1 Document # SM34\Install_Ops\809-0001 Amendment Date: Jan 18, 2005 The purpose of this amendment is to add the Environmental Qualification Form (521-0) to section 2.5 and to update the section 2.3.4 Cable Wiring statement paragraph 1.
  • Page 10 The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 11: Table Of Contents

    SM34 Rev. 4.00 AA21-400 Cabin PA System 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 Accessories Required But Not Supplied Installation Introduction Unpacking and Inspection Installation Procedures 2.3.1...
  • Page 12 The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 13: Introduction

    The output is designed to drive the NAT PA110/220 or PA250/700 series amplifiers. The AA21-400 provides generation of wail and yelp siren audio on the low level output when selected on the front panel.

  • Page 14: Specifications

    AA21-400 Cabin PA System Manual SM34 Rev. 4.00 Specifications 1.4.1 Electrical Specifications Power Supply Linear DC (with reverse & over voltage protection): Normal: +27.5 Vdc nominal. +22.0 Vdc minimum. +30.3 Vdc maximum. +18.0 Vdc emergency. Input Current: 2.3 A max. full speaker power (35 W) @ +27.5 Vdc.
  • Page 15 SM34 Rev. 4.00 AA21-400 Cabin PA System Manual Output Signals Speaker: Impedance and short circuit protected. ≤ 10% THD 20 W single tone into 8 Ω @ 50% duty cycle. Continuous. 20 W voice/music into 8 Ω @ 100% duty cycle. Continuous.

  • Page 16: Physical Specifications

    AA21-400 Cabin PA System Manual SM34 Rev. 4.00 1.4.2 Physical Specifications 1.11 ± 0.03” (28.1 ± 0.8 mm) Height 6.53 ± 0.03” (165.9 ± 0.8 mm) behind panel (including Depth connector). 4.96 ± 0.03” (126.0 ± 0.8 mm) behind panel.

  • Page 17: Accessories Required But Not Supplied

    SM34 Rev. 4.00 AA21-400 Cabin PA System Manual Accessories Required But Not Supplied Installation kit p/n AA21-400-IKC (crimp) or AA21-400-IKS (solder) is required to complete the installation. They consist of the following: AA21-400-IKC (crimp) NAT Part #:D25SV-IKC Quantity Description NAT Part #...
  • Page 18 The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 19: Introduction

    2.3.1 Note to Installers The AA21-400 is intended for use as a cockpit-mounted control for an internal or external aircraft PA system, where such a system is not installed to fulfill the airworthiness requirements for the aircraft or an operating rule.

  • Page 20: Cautions

    Post-Installation Checks 2.3.5.1 Voltage/resistance checks Do not attach the AA21-400 until the following conditions are met. Check the following: P101 pins <1> <2> and <3> for +28 Vdc relative to ground. P101 pins <14>, <15> and <16> for continuity to ground (below 0.5 Ω).
  • Page 21 Check that the POWER ON LED on the AA21-400 illuminates when the power switch is selected to ON. From the front panel switches, select PA and EXT. Key the siren using the front panel switch and remote Siren key as described in Section 3.4.4.1.

  • Page 22: Adjustments

    AA21-400 Cabin PA System Manual SM34 Rev. 4.00 2.3.6 Adjustments The unit ships from the factory with all internal adjustments set to the normal test levels. Once installed in the aircraft, it may be desirable to change some of these settings to best suit the local operating environment.

  • Page 23: Continued Airworthiness

    Receive level: (70dB dynamic range) Siren level: (70dB dynamic range) 2.3.6.3 Configuration Jumpers The configuration options for the AA21-400 can be selected by installing jumpers as shown below: RX/CD: Pins 1-2 : Radio (Receive) input enabled, CD input disabled Pins 2-3 :...
  • Page 24 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 25 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 26 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 27 The document reference is online, please check the correspondence between the online documentation and the printed version.
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  • Page 29 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 30 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 31 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 32 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 33 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 34 The document reference is online, please check the correspondence between the online documentation and the printed version.
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  • Page 38 The document reference is online, please check the correspondence between the online documentation and the printed version.

  • Page 39: Introduction

    Basic Operation 3.4.1 Power up To activate the AA21-400 Cabin PA system, flip the POWER toggle switch up to the ON position. The LED adjacent to the switch should illuminate. Power Switch Indicator LED Nov 10, 2003 Page 3-1 ENG-FORM: 806-0105.DOT...

  • Page 40: Input Function Selection

    Volume Control Volume Control The volume control knob (VOL) on the front of the AA21-400 is used to adjust the level of the selected output. Rotating the knob cw will increase the volume, and ccw will decrease it. For external paging and rebroadcast operations, the volume should always be set between half and full level.

  • Page 41: Mode Switches

    Internal/External Mode Switch The INT/EXT mode switch is a two position locking switch that routes the selected audio either to the internal 8Ω speaker (INT) or to the PA via an amplifier such as the NAT PA250/700 or PA110/220 (EXT).
  • Page 42 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 43 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 44 SM34 Installation and Operation Manual Supplement This supplement contains installation and operation information that is unique to the AA21-401 Remote Mount Cabin PA system. Installation and operation information common to the AA21-400 base unit can be found in the SM34 Installation and Operation Manual.
  • Page 45 Install Kits One D25SV-IKC and one D25PV-IKC (See section 2.1 below.) Environmental Specifications The AA21-401 is identical to the AA21-400, with the following exception: Altitude 55,000 ft. Section 2 Installation For installation information and drawings, see SM34 Section 2. Select the appropriate revision of the drawing for the serial number of the unit.
  • Page 46 SM34 Installation and Operation Manual Supplement Accessories Required But Not Supplied Installation kits p/n D25SV-IKC and D25PV-IKC are required to complete the installation. The kits consist of the following: NAT Part #:D25SV-IKC Quantity Description NAT Part No. D-min 25 Socket housing...
  • Page 47 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 48 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 49 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
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  • Page 63 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 64 SM34 Installation and Operation Manual Supplement This supplement contains installation and operation information that is unique to the AA21-405 Cabin PA system. Installation and operation information common to the AA21-400 base unit can be found in the SM34 Installation and Operation Manual.
  • Page 65 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 66 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 67 WAIL WAIL AA21 AA21 N N A A YELP YELP STDBY STDBY POWER POWER 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 68 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 69 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 70 SM34 Installation and Operation Manual Supplement This supplement contains installation and operation information that is unique to the AA21-406 PA Controller. Installation and operation information common to the AA21-400 base unit can be found in the SM34 Installation and Operation Manual.
  • Page 71 AA21-406 PA Controller SM34 Installation and Operation Manual Supplement Section 2 Installation For installation information and drawings, see SM34 Section 2. Select the appropriate revision of the drawing for the serial number of the unit. The drawings specific to this derivative are listed below and can be found at the end of this supplement.
  • Page 72 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 73 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
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  • Page 76 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 77 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 78 SM34 Installation and Operation Manual Supplement This supplement contains installation and operation information that is unique to the AA21-407 PA Controller. Installation and operation information common to the AA21-400 base unit can be found in the SM34 Installation and Operation Manual.
  • Page 79 AA21-407 PA Controller SM34 Installation and Operation Manual Supplement Section 3 Operation For operation information, see SM34 Section 3. Supplement ends Page 2 Mar 24, 2009 SM Supplement Rev: 1.01 ENG-FORM: 810-0111.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 80 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
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  • Page 86 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 87 This supplement contains installation and operation information that is unique to the AA21-408 Cabin PA System. Installation and operation information common to the AA21-400 base unit can be found in the Installation section of the SM34 Installation and Service Manual.
  • Page 88 AA21-408 Cabin PA System Installation and Operation Manual Supplement This page intentionally left blank. Page 2 SM Supplement Rev: 1.01 ENG-FORM: 810-0109.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 89 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
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  • Page 93 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 94 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 95 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 96 SM34 Installation and Operation Manual Supplement This supplement contains installation and operation information that is unique to the AA21-450 Cabin PA system. Installation and operation information common to the AA21-400 base unit can be found in the SM34 Installation and Operation Manual.
  • Page 97 AA21-450 Cabin PA System SM34 Installation and Operation Manual Supplement Section 3 Operation For operation information, see SM34 Section 3. Supplement ends Page 2 Apr 21, 2009 SM Supplement Rev: 1.02 ENG-FORM: 810-0111.DOT CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD. 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 98 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 99 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.
  • Page 100 23-31-90 The document reference is online, please check the correspondence between the online documentation and the printed version.

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