Midcontinent MD41 Series Installation Manual And Operating Instructions Download Page 1

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INSTALLATION MANUAL AND

OPERATING INSTRUCTIONS

MD41-( ) Series GPS Annunciation Control Unit

For Garmin GNS 480 and Garmin AT CNX80 VHF

Communication and Navigation Management System

MD41-1748

28vdc

Horizontal Mount

MD41-1748(5V) 28vdc

Horizontal Mount with 5 volt lighting

MD41-1758

28vdc

Vertical Mount (shown on page 11)

MD41-1758(5V) 28vdc

Vertical Mount with 5 volt lighting

MD41-1744 14vdc

Horizontal

Mount

MD41-1754

14vdc

Vertical Mount (shown on page 11)

Mid-Continent Instruments and Avionics

Manual Number 9015669

9400 E. 34

Street N., Wichita, KS 67226 USA

REV. 1 August 17, 2004

Phone 316-630-0101



Fax 316-630-0723

Summary of Contents for MD41 Series

Page 1: ... Mount MD41 1748 5V 28vdc Horizontal Mount with 5 volt lighting MD41 1758 28vdc Vertical Mount shown on page 11 MD41 1758 5V 28vdc Vertical Mount with 5 volt lighting MD41 1744 14vdc Horizontal Mount MD41 1754 14vdc Vertical Mount shown on page 11 Mid Continent Instruments and Avionics Manual Number 9015669 9400 E 34th Street N Wichita KS 67226 USA REV 1 August 17 2004 Phone 316 630 0101 Fax 316 6...

Page 2: ...REV 1 August 17 2004 2 Revision Detail Rev Date Detail N R 06 05 03 Complete issue 1 08 17 04 Added Garmin GNS 480 ...

Page 3: ...ONENTS SECTION 2 INSTALLATION CONSIDERATIONS 2 1 COOLING 2 2 EQUIPMENT LOCATION 2 3 ROUTING OF CABLES SECTION 3 INSTALLATION PROCEDURE 3 1 GENERAL INFORMATION 3 2 UNPACKING AND INSPECTING 3 3 MOUNTING THE MD41 3 4 INSTALLATION LIMITATIONS SECTION 4 POST INSTALLATION CHECKOUT 4 1 PRE INSTALLATION TEST 4 2 OPERATING INSTRUCTIONS 4 3 CONTINUED AIRWORTHINESS FIGURE N0 LIST OF ILLUSTRATIONS 3 1 SCHEMAT...

Page 4: ...nnunciation dimming adjustment is provided for balancing low level light conditions 1 2 SPECIFICATIONS TECHNICAL 1 2 1 PHYSICAL CHARACTERISTICS Mounting Panel Width 3 25 Inches Height 80 Inches Depth 3 20 Inches Weight 0 50 lbs 1 2 2 ENVIRONMENTAL CHARACTERISTICS TSO Compliance TSO C129 Applicable Documents RTCA DO 160D DO 208 Operating Temperature Range 55 C to 70 C Humidity 95 Non Condensing Alt...

Page 5: ...has been suspended LOI Loss of Integrity WAAS GPS detects a position error or unable to calculate integrity of position PTK Parallel track mode is selected ALT Altitude Alert Indicates the estimated altitude is lower than the alarm limits TERM On indicates aircraft is navigating within 30 miles of the departure or arrival airport or on a SID or STAR APR On indicates the approach is active 1 2 5 IN...

Page 6: ...s a logic low to annunciate Lamp Test J1 Pin 7 Receives ground from remote test switch to light all annunciations optional connection 1 2 6 EQUIPMENT LIMITATIONS The MD41 series control units contain specific dash numbers to be used with various GPS receivers or Navigation Management Systems The installer must match the correct controller part number with the system being installed The conditions ...

Page 7: ...o install the listed units in an installation other than these two systems is prohibited This will void the TSO NOTE If the MD41 is disconnected or removed from the aircraft there will be no effect in the operation of the GNS 480 or CNX80 1 2 7 MAJOR COMPONENTS This system is comprised of one major component the MD41 174X 175X series GPS Annunciation Control Unit ...

Page 8: ... The unit depth with connector attached must also be taken into consideration Note Unlike previous versions of the MD41 Annunciation Control Units ACU the transfer relays are not required as all switching between GPS VOR and ILS is handled by the GNS 480 or CNX80 This has allowed a for a smaller size ACU which now provides more options for panel mounting 2 3 ROUTING OF CABLES Care must be taken no...

Page 9: ...I PN 7014517 3 Installation Manual MCI PN 9015669 3 3 MOUNTING THE MD41 Plan a location in the aircraft for the MD41 to be mounted as close to the pilot s field of view as possible The preferable location is near the HSI CDI that will be displaying the navigation information Avoid mounting close to heater vents or other high heat sources Allow a clearance of at least 3 inches from back of unit for...

Page 10: ... TEST receives ground from remote test switch optional conn 8 WPT ANNUNCIATION 9 LOI ANNUNCIATION 10 ALT ANNUNCIATION 11 PTK ANNUNCIATION 12 SUSP MODE SELECT momentary logic low sent to the receiver 13 14 or 28 VDC UNIT POWER depends on dash number 14 GPS ANNUNCIATION OUTPUT 15 TERM ANNUNCIATION 16 NAV ANNUNCIATION OUTPUT 17 SPARE 18 SPARE 19 SPARE 20 SPARE 21 SPARE 22 SPARE 23 SPARE 24 SUSP ANNUN...

Page 11: ...REV 1 August 17 2004 11 Note 1 Use two 4 40 X 3 8 Flat Head Phillips Screws for Mounting FIGURE 3 2 OUTLINE DRAWING ...

Page 12: ...REV 1 August 17 2004 12 FIGURE 3 3 WIRING DIAGRAM MD41 1748 1758 1748 5V 1758 5V 1744 1754 GARMIN GNS 480 AND GARMIN AT CNX80 ...

Page 13: ...MSG may be flashing depending on the status of the GPS receiver Press the lamp test button if installed all annunciations should light Continue pressing the lamp test button and cover the photocell window located in the center of the front panel All annunciations should dim Annunciation brightness at the minimum dimming level may be adjusted by rotation of the dimmer control located on the bottom ...

Page 14: ...ory S Explosion 9 0 Equipment identified as Category X no test required Waterproofness 10 0 Equipment identified as Category X no test required Fluids Susceptibility 11 0 Equipment identified as Category X no test required Sand and Dust 12 0 Equipment identified as Category X no test required Fungus 13 0 Equipment identified as Category X no test required Salt Spray 14 0 Equipment identified as Ca...

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