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VAL Avionics INS 422 Installation & Owner's Manual

Integrated navigation system
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Original Issue
AVIONICS LIMITED
INS 422
Integrated

Navigation System

Installation/Owners Manual
VPN 701034
June 2001

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Summary of Contents for VAL Avionics INS 422

  • Page 1: Navigation System

    Original Issue AVIONICS LIMITED INS 422 Integrated Navigation System Installation/Owners Manual VPN 701034 June 2001...
  • Page 2 © 2001 by VAL Avionics, Ltd. All Rights Reserved Printed in the U. S. A. VAL Avionics, Ltd. will continually improve product quality and performance. Information contained in this document is subject to change at any time without notice. This document may not be reproduced or transmitted by any means without consent of VAL Avionics, Ltd.
  • Page 3 T A B L E O F C O N T E N T S SECTION I General Information Paragraph INTRODUCTION DESCRIPTION OF EQUIPMENT TECHNICAL CHARACTERISTICS UNITS AND ACCESSORIES REQUIRED (SUPPLIED) ACCESSORIES REQUIRED (NOT SUPPLIED) LICENSE REQUIREMENTS STATEMENT OF COMPLIANCE INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 4 Avionics Cooling Requirements for Panel Mounted Equipment 2.3.2 Pre-Installation Information 2.3.3 Antenna Installation 2.3.4 Audio Interface 2.3.5 Harness Assembly and Installation Hardware Post Installation Check 2.4.1 Post Installation Adjustments 2.4.2 Periodic Maintenance INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...

  • Page 5: Table Of Contents

    M A N U F A C T U R E R S W A R R A N T Y S T A T E M E N T INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 6 Follow the procedures outlined in this manual for successful installation and designed performance. DESCRIPTION OF EQUIPMENT The INS 422 Integrated Navigation System is a quality manufactured panel mounted digital synthesized instrument approach receiver covering the aviation frequencies for Localizer Receiver 108.1 – 111.975 MHz, Glideslope Receiver 329.15 –...

  • Page 7: Specifications

    CDI Left/Right 150mv into 1K Load CDI Up/Down 150mv into 1K Load CDI Glideslope Flag CDI VOR/LOC Flag FCC Identifier EZNINS422 Manufacturer’s Model Number INS 422 Part Number VPN 801004 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 8 A V I O N I C S L I M I T E D INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 9 I further certify that the necessary measurements were made by the engineering department of Val Avionics, Ltd. located at 3280 25 Street SE in Salem, Oregon.
  • Page 10 GENERAL INFORMATION This section provides interconnect diagrams and installation criteria for the INS 422 navigation receiver. By following these instructions, the INS 422 will perform as specified and provide excellent performance to meets its design. UNPACKING AND INSPECTING EQUIPMENT Exercise care when unpacking the equipment. Visually inspect the unit for any evidence of damage incurred during shipping.
  • Page 11 L I M I T E D EQUIPMENT INSTALLATION The INS 422 installation will conform to standards designated by the customer, installing agency and existing conditions as to the unit location and type of installation. However, the following suggestions should be considered before installing the INS 422.
  • Page 12 L I M I T E D 2.3.2.1 PANEL LOCATION The INS 422 is rigidly mounted in a standard 3.125” round cutout on the aircraft panel. Once a location has been selected, a visual inspection should be made of the area directly behind the panel...
  • Page 13 2.3.4 AUDIO INTERFACE Audio output for the INS 422 is rated at 10 MV into a 600 Ohm load. Therefore, proper amplification will depend on using either an auxiliary input of existing communications transceivers or connection to an amplified audio panel.
  • Page 14 After flying a satisfactory practice ILS approach, select a local VOR station within range and check the INS 422 reception and unit function. A good rule for VOR reception is that for every 1000 feet of altitude, you can expect a range of at least 10 nautical miles of acceptable VOR operation.
  • Page 15 L I M I T E D 2.4.1 POST-INSTALLATION ADJUSTMENTS The INS 422 has been calibrated and adjusted at the factory. Additional adjustments required by the installing agency (with specialized, precision test equipment) to fine tune the Localizer and Glideslope display indications can...
  • Page 16 VOR Checks VOR accuracy checks required for IFR flight must be performed on the INS 422 every 30 days to verify the unit does not exceed the allowable bearing error. Refer to CFR 14 paragraph 91.171 Cleaning The Display Filter The display filter on the front bezel of the INS 422 can be cleaned with a soft cloth dampened with clean water.

  • Page 17: Power On Unit

    Paragraph POWER ON UNIT It is recommended that power to the INS 422 be turned on only after engine start-up. This procedure increases the reliability of the solid-state circuitry. The ON-VOL/MKR-MUTE/BRG control on the lower left side of the display is...

  • Page 18: Operating Instructions

    Glideslope UHF frequencies are not shown but are paired automatically to the VHF Localizer frequency selected and displayed on the INS 422. When within reception range of Localizer, Glideslope and Marker signals, the course and glidepath indications displayed when in-bound on the “Front Course”...
  • Page 19 112.50 MHz. If this should happen, re-select the desired frequency. INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...

  • Page 20: Auto-Dimmer Photocell

    To determine the bearing TO a VOR station with conventional course indicators, it is necessary to manually rotate the OBS to center the course deviation pointer. With the feature provided on the INS 422 system, this is done automatically when the external momentary button is pushed.
  • Page 21 A V I O N I C S L I M I T E D Mounting Template Figure 1.0 Drawing No. 900422-INS1 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 22 A V I O N I C S L I M I T E D Front/Rear/Side Dimensions Figure 1.1 Drawing No. 900422-INS2 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 23 Mhz SELECT OUTER MARKER (BLUE) ON/OFF / VOL / BRG / MKR MUTE ACCESS TO LOC & GS CENT ADJUST LOCATED UNDER FRONT MOUNTING SCREWS Figure 1.2 Drawing No900422-INS3 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 24 BLACK (20 AWG) Note: The INS 422 Comes with a standard factory wire harness. The description of the wire color and function is listed in the above table. The remaining pin terminals for external output are available for use as required for interface to auto-pilot system.
  • Page 25 2) ALL WIRE 22 AWG AIRCRAFT QUALITY WIRE UNLESS OTHERWISE SPECIFIED. 3) VPN 501117 MOMENTARY SWITCH IS TO BE MOUNTED IN VICINITY ADJACENT TO INS 422 UNIT +13.75 VDC INPUT 20 AWG AND PLACARDED "AUTO-RADIAL CENTERING" 25 AIRCRAFT GROUND 20 AWG...
  • Page 26 A V I O N I C S L I M I T E D Alignment Access Locations Figure 1.5 Drawing No. 900422-INS7 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 27 (C) SLIDE THE CLAMP NUT OVER THE FLARED PORTION OF THE CABLE. THREAD THE CON- NECTOR BODY ONTO THE NUT WHILE HOLDING THE NUT STATIONARY. TIGHTEN SECURELY. Figure 1.6 Drawing No. 900422-INS8 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 28 A V I O N I C S L I M I T E D P1205 Mechanical Assembly Figure 1.7 Drawing No. 900422-INS6 INS 422 Installation/Owners Manual Original Issue – June 2001 VPN 701034...
  • Page 29 A V I O N I C S L I M I T E D REVISION HISTORY AND INSTRUCTIONS : INS 422 INSTALLATION MANUAL Manual Title : Original Issue 06/01 Revision : VPN 801004 Part Number Add, delete or replace pages as indicated...

  • Page 30: Operation

    A V I O N I C S L I M I T E D ENVIRONMENTAL QUALIFICATION FORM The INS 422 has been tested to the following environmental categories per procedures defined in RTCA/DO-160D. Environmental Qualification Form Manufacturer: Nomenclature: INS 422 Val Avionics, Ltd Part No.: 801004...
  • Page 31 In most cases, Val Avionics, Ltd. will provide a 48-hour turn around on its warranty and repair service. We recommend that contact be made to the FACTORY CUSTOMER SERVICE DEPARTMENT prior to any unit return and obtain RETURN AUTHORIZATION AND INSTRUCTIONS.

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