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GEA 71 Installation Manual 

Page iii 

190-00303-40  

Revision F 

TABLE OF CONTENTS 

 

PARAGRAPH 

PAGE 

 

1. GENERAL 

DESCRIPTION..............................................................................................................1-1 

1.1 Introduction........................................................................................................................................1-1 

1.2 Equipment 

Description ......................................................................................................................1-1 

1.3 Interface 

Summary.............................................................................................................................1-1 

1.4 Reference 

Publications ......................................................................................................................1-1 

1.5 Technical 

Specifications ....................................................................................................................1-2 

1.6 Certification .......................................................................................................................................1-3 

1.7 Limited 

Warranty...............................................................................................................................1-6 

 
2. INSTALLATION OVERVIEW ........................................................................................................2-1 

2.1 Introduction........................................................................................................................................2-1 

2.2 Installation 

Materials .........................................................................................................................2-1 

2.3 Interface 

Considerations ....................................................................................................................2-2 

2.4  Cabling and Wiring............................................................................................................................2-2 

2.5 Cooling 

Air ........................................................................................................................................2-2 

2.6 Mounting 

Requirements ....................................................................................................................2-3 

 
3. INSTALLATION 

PROCEDURE......................................................................................................3-1

 

3.1 Unpacking 

Unit..................................................................................................................................3-1 

3.2  Wiring Harness Installation ...............................................................................................................3-1 

3.3  Backshell Assembly and Installation .................................................................................................3-2 

3.4 Thermocouple 

Installation .................................................................................................................3-2 

3.5 Final 

Installation ................................................................................................................................3-2 

3.6  Post Installation Configuration and Checkout ...................................................................................3-3 

3.7 Continued 

Airworthiness ...................................................................................................................3-3 

 

4. SYSTEM 

INTERCONNECTS..........................................................................................................4-1

 

4.1  Pin Function List................................................................................................................................4-1 

4.2 Electrical 

Characteristics ...................................................................................................................4-5 

 
APPENDIX A  OUTLINE AND INSTALLATION DRAWINGS 

APPENDIX B  INTERCONNECT EXAMPLES 

Summary of Contents for GEA 71

Page 1: ...190 00303 40 June 2010 Revision F GEA 71 Installation Manual ...

Page 2: ... copy of this manual or revision must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Garmin International Inc 1200 E 151st Street Olathe KS 66062 USA Telephone 913 397 8200 Aviation Dealer Technical Support Line Toll Free 888 606 5482 www garmin com Garmin Europe Ltd ...

Page 3: ... Change 1 1 1 3 Changed number of Discrete Annunciator Outputs to 4 1 6 1 7 Updated warranty statement 2 1 2 1 Updated AC reference F 4 3 4 1 2 Changed pins to RESERVED DOCUMENT PAGINATION Section Page Range Table of Contents i vi Section 1 1 1 1 6 Section 2 2 1 2 4 Section 3 3 1 3 4 Section 4 4 1 4 8 Appendix A A 1 A 4 Appendix B B 1 B 4 ...

Page 4: ...CFR Chapter VII Subchapter C and which may not be exported released or disclosed to foreign nationals inside or outside of the United States without first obtaining an export license The preceding statement is required to be included on any and all reproductions in whole or in part of this manual This product its packaging and its components contain chemicals known to the State of California to ca...

Page 5: ...ion Materials 2 1 2 3 Interface Considerations 2 2 2 4 Cabling and Wiring 2 2 2 5 Cooling Air 2 2 2 6 Mounting Requirements 2 3 3 INSTALLATION PROCEDURE 3 1 3 1 Unpacking Unit 3 1 3 2 Wiring Harness Installation 3 1 3 3 Backshell Assembly and Installation 3 2 3 4 Thermocouple Installation 3 2 3 5 Final Installation 3 2 3 6 Post Installation Configuration and Checkout 3 3 3 7 Continued Airworthines...

Page 6: ...ect Example 4 6 A 1 GEA 71 Outline Drawing A 1 A 2 GEA 71 Installation Drawing A 3 B 1 GEA 71 Example Interconnect B 1 LIST OF TABLES TABLE PAGE 2 1 Typical Engine Airframe Sensors 2 2 3 1 Pin Contact Part Numbers 3 1 3 2 Recommended Crimp Tools 3 1 3 3 Backshell Installation Instruction Documents 3 2 3 3 Thermocouple Kit 011 00981 00 3 2 4 1 Analog Input Configuration Summary 4 5 ...

Page 7: ... of this manual see date on front cover and is subject to change without notice Authorized Garmin Sales and Service Centers are encouraged to access the most up to date bulletin and advisory information on the Garmin Dealer Resource web site at www garmin com using their Garmin provided user name and password MOD LEVEL SERVICE BULLETIN NUMBER SERVICE BULLETIN DATE PURPOSE OF MODIFICATION 1 N A N A...

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Page 9: ...nstrumentation while the PFD normally shows airframe alerts provided by the GEA 71 Engine airframe instrumentation is also displayed on the PFD and or MFD while the system is in reversionary mode The PFD and MFD displays serve as the user interface for the GEA 71 All configuration settings are controlled via software settings accessed by the MFD and PFD displays The GEA 71 uses a configuration mod...

Page 10: ...kg 1 4 2 Power Requirements Characteristic Specification Input Voltage 14 28 Vdc See the Environmental Qualification Form for details on surge ratings and minimum maximum operating voltages Unit Status Max Current 28 Vdc Max Current 14 Vdc Optional Off 0 01 A 0 01 A On 0 15 A 0 30 A On 0 50 A 1 00 A Full Load On Transducer Power Outputs During the first five seconds of unit power up current is sli...

Page 11: ...der 14 CFR part 43 or the applicable airworthiness requirements At the time of publication installations of this TSO approved article are only approved when installed in an aircraft as part of a Garmin Integrated Flight Deck 1 6 1 TSO ETSO Compliance Function TSO ETSO Category Applicable LRU Software Part Numbers Fuel Flow Meters TSO C44b ETSO C44b Type I 006 B0193 Temperature Instruments TSO C43c...

Page 12: ...rate part numbers for hardware and software the software part number need not be displayed on the outside of the unit as long as it can be verified through some kind of electronic query 3 Garmin was granted a deviation from ETSO C44b to use SAE AS 407C in place of SAE AS 407B to demonstrate compliance for Fuel Flowmeters TSO C45a 1 Garmin was granted a deviation from TSO C45a section a 4 to use RT...

Page 13: ...ranted a deviation from TSO C55 to use the environmental standards set forth in RTCA DO 160D in place of environmental standards set forth in SAE AS 405C ETSO C55 1 Garmin was granted a deviation from ETSO C55 to use SAE AS 405C in place of SAE AS 405B to demonstrate compliance for Fuel and Oil Quantity Instruments for Reciprocating Engine Aircraft 2 Garmin was granted a deviation from ETSO C55 to...

Page 14: ... MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THE PRODUCT OR FROM DEFECTS IN THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OF INCI...

Page 15: ...1000 System Installation Manual Garmin part number 190 00303 00 for further details on the mechanical aspects of the Garmin Integrated Flight Deck 2 2 Installation Materials The GEA 71 is available only as a single unit under the following part number Item Garmin Catalog Part Number GEA 71 Unit 011 00831 00 010 00283 00 2 2 1 Equipment Available Each of the following accessories are provided separ...

Page 16: ...t manifolds or any other extreme heat sources Give proper attention to each sensor s requirements for polarity voltage wire type and mounting 2 4 Cabling and Wiring Use AWG 24 or larger wire for all connections unless otherwise specified by the aircraft manufacturer or Garmin The standard pin contacts supplied in the connector kit are compatible with up to AWG 22 wire In cases where some installat...

Page 17: ...tensity Radiation Fields HIRF The GEA 71 can be mounted using the G1000 main system rack or the unit may be mounted remotely if desired Figure 2 1 shows the GEA 71 unit rack The unit rack is fastened to the main system rack using the nutplate kit listed in Section 2 2 1 Refer to the Figure A 2 GEA 71 Installation Drawing for nutplate placement locations The installer must provide any additional re...

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Page 19: ...l harnesses in accordance with aircraft specific approved interconnect diagrams Table 3 1 Pin Contact Part Numbers 78 pin D Subminiature connector P701 702 Manufacturer 16 AWG Power Only 18 20 AWG Power Only 22 28 AWG Garmin P N 336 00044 01 336 00044 00 336 00021 00 Military P N N A N A M39029 58 360 AMP N A N A 204370 2 Positronic N A N A MC8522D ITT Cannon N A N A 030 2042 000 Table 3 2 Recomme...

Page 20: ...uses a thermocouple reference junction needed only if the GEA 71 is to monitor temperatures using thermocouple sensors The thermocouple kit is available separately as Garmin part number 011 00981 00 Refer to the Thermocouple Installation into a Backshell document 190 00313 01 available via the Dealer portion of the Garmin website www garmin com for thermocouple installation instructions 3 5 Final ...

Page 21: ...pleted The GEA71 must be installed with a Garmin Integrated Flight Deck and have FAA approved configuration data Configuration data is loaded to the GEA 71 from an aircraft specific SW Loader Card GEA settings are predetermined for a specific aircraft and are typically contained within the file named GEA1 The PFD serves as the graphics user interface to the installer configuring the system For bas...

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Page 23: ...2 In 11 TRANSDUCER POWER OUT LO GROUND 12 TRANSDUCER POWER OUT LO GROUND 13 TRANSDUCER POWER OUT LO GROUND 14 10 VDC TRANSDUCER POWER OUT Out 15 5 VDC TRANSDUCER POWER OUT Out 16 12 VDC TRANSDUCER POWER OUT Out 17 ENGINE TEMP ANALOG IN 6 HI In 18 ENGINE TEMP ANALOG IN 6 LO In 19 SIGNAL GROUND 20 POWER GROUND 21 CONFIG MODULE POWER Out 22 ANALOG IN 1 HI In 23 ANALOG IN 1 LO In 24 ANALOG IN 2 HI In ...

Page 24: ... 53 ENGINE TEMP ANALOG IN 9 LO In 54 ENGINE TEMP ANALOG IN 10 HI In 55 ENGINE TEMP ANALOG IN 10 LO In 56 ENGINE TEMP ANALOG IN 11 HI In 57 ENGINE TEMP ANALOG IN 11 LO In 58 ENGINE TEMP ANALOG IN 12 HI In 59 ENGINE TEMP ANALOG IN 12 LO In 60 CONFIG MODULE CLOCK Out 61 DIGITAL IN 4 In 62 ANALOG IN 6 HI In 63 ANALOG IN 6 LO In 64 ANALOG IN 7 HI In 65 ANALOG IN 7 LO In 66 ANALOG IN 8 HI In 67 ANALOG I...

Page 25: ...SERVED 6 RESERVED 7 RESERVED 8 RESERVED 9 RESERVED 10 RESERVED 11 TRANSDUCER POWER OUT LO GROUND 12 TRANSDUCER POWER OUT LO GROUND 13 TRANSDUCER POWER OUT LO GROUND 14 10 VDC TRANSDUCER POWER OUT A Out 15 5 VDC TRANSDUCER POWER OUT A Out 16 12 VDC TRANSDUCER POWER OUT A Out 17 RESERVED 18 RESERVED 19 RESERVED 20 RESERVED 21 RESERVED 22 RESERVED 23 RESERVED 24 RESERVED 25 DISCRETE IN 11A In 26 DISC...

Page 26: ...CURRENT MONITOR IN 4A HI In 51 ANALOG CURRENT MONITOR IN 4A LO In 52 ANALOG IN 1A HI In 53 ANALOG IN 1A LO In 54 ANALOG IN 2A HI In 55 ANALOG IN 2A LO In 56 ANALOG IN 3A HI In 57 ANALOG IN 3A LO In 58 ANALOG IN 4A HI In 59 ANALOG IN 4A LO In 60 DISCRETE IN 1A In 61 DISCRETE IN 2A In 62 DISCRETE IN 3A In 63 DISCRETE IN 4A In 64 DISCRETE IN 5A In 65 DISCRETE IN 6A In 66 DISCRETE IN 7A In 67 DIGITAL ...

Page 27: ... inputs 25 mV 55 mV 100 mV 1 Vdc 2 5 Vdc and 5 0 Vdc Applies to both 1 1 and 50 1 scaling Effective voltage range in 50 1 mode 1 25 Vdc 2 75 Vdc 5 0 Vdc and 50 Vdc Bipolar Unipolar Each analog input can be configured to measure Bi Polar positive and negative or Uni Polar positive only voltages All analog inputs are differential Constant Current Source Each analog input can be configured to supply ...

Page 28: ...g The maximum differential voltage and the maximum voltage with respect to ground that can be measured on any Engine Temp Analog Input is 2 5 Vdc The GEA 71 can be used with Type K or J thermocouples Some thermocouples have a ground reference built into their design while others do not The GEA 71 works with either setup Figure B 1 provides an example interconnect showing thermocouples The GEA 71 u...

Page 29: ...rent or Rin 375Ω Sink current is internally limited to 200 uA max for a grounded input 4 2 6 Digital In Signals Digital input minimum frequency is 1 Hz and maximum frequency is 100 kHz Digital signals are updated 10 times per second 10 Hz Maximum output high low and low high transition period is 5 0 µS Digital inputs can also be configured as discrete inputs INACTIVE 10 Vin 33VDC or Rin 100kΩ ACTI...

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Page 31: ...221 87 4 30 109 22 3 00 76 20 6 90 175 26 TYP 36 TYP 9 14 48 TYP 12 19 1 20 30 48 WITHOUT DIMPLES 1 23 31 12 WITH DIMPLES 60 15 24 J702 J701 48 TYP 12 19 36 TYP 9 14 4X 38 9 58 4X 3 73 94 67 NOTES 1 DIMENSIONS INCHES mm 2 DIMENSIONS ARE SHOWN FOR REFERENCE ONLY 3 MOUNTING HOLE FOR 6 FLAT HEAD 100 CSK SCREW 12 PLACES SEE NOTE 3 Figure A 1 GEA 71 Outline Drawing ...

Page 32: ...0 Revision F GEA71 UNIT 011 00831 00 GEA71 RACK 115 00411 00 SINGLE BACKPLATE KEY A GEA71 011 00796 00 RACK NUTPLATE KIT 011 00915 00 PREFERED STYLE 8 SCREWS REQUIRED FOR MOUNTING TO G1000 RACK ALTERNATE NUTPLATE KIT 011 01148 00 SINGLE CONNECTOR KIT GEA71 011 00797 01 Figure A 2 GEA 71 Installation Drawing ...

Page 33: ...APPENDIX B INTERCONNECT EXAMPLES GEA 71 Installation Manual Page B 1 Page B 2 Blank 190 00303 40 Revision F Figure B 1 GEA 71 Example Interconnect Sheet 1 of 2 ...

Page 34: ...APPENDIX B INTERCONNECT EXAMPLES GEA 71 Installation Manual Page B 3 Page B 4 Blank 190 00303 40 Revision F Figure B 1 GEA 71 Example Interconnect Sheet 2 of 2 ...

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