Garmin GI 275 Installation Manual page 363

NOTES
THERE ARE LIMITED PINS AVAILABLE FOR +5V, +10V, AND +12V TRANSDUCER EXCITATION. DEPENDING
ON HOW MANY SENSORS ARE CONNECTED TO THE GEA, SPLICING SENSORS TO THE SAME EXCITATION
1
VOLTAGE PIN MAY BE REQUIRED. USE ALL IDENTICAL FUNCTIONING PINS BEFORE SPLICING.
SINGLE CHANNEL SHOWN. IDENTICAL WIRING FOR CHANNELS 2-6.
2
USE K-TYPE THERMOCOUPLE WIRE FOR EXTENSIONS
3
USE J-TYPE THERMOCOUPLE WIRE FOR EXTENSIONS.
4
GEA GROUND PIN ONLY REQUIRED FOR MS28034 CARB TEMP SENSOR AND GARMIN GTP 59 OAT
5
SENSOR.
EXISTING FUEL QTY WIRING MAY BE RE-USED. USE A STANDARD ENVIRONMENTAL CRIMP SPLICE TO
EXTEND THE SIGNAL TO THE GEA, IF REQUIRED. ALL ADDITIONAL WIRING MUST BE SHEILDED AND BOTH
6
SHEILD ENDS TERMINATED. THE SHEILD DRAIN LENGTH MUST BE AS SHORT AS PRACTICAL.
MATCH SHIELDING AS SHOWN. SELECT WIRE BASED ON CONDUCTORS REQUIRED AT TRANSDUCER.
7
USE TWO 820 KΩ, 1/4 WATT, -55 C TO +125 C RESISTORS. TWIST PARALLEL RESISTOR LEADS TOGETHER,
SPLICE TO WIRES WITH ENVIRONMENTAL SPLICES, AND ENCAPSULATE SPLICES AND RESISTORS WITH
8
ADHESIVE LINED POLYOLEFIN HEAT-SHRINKABLE TUBING.
DO NOT EXCEED 6-INCH LENGTH BETWEEN END OF RESISTOR AND CONNECTION TO MAGNETO OR
9
IGNITION SWITCH.
CONNECT TO THE MAGNETO P-LEAD LUG. PERMISSIBLE TO USE IGNITION SWITCH INPUTS IF MAGNETO
10 USES COMPRESSION TYPE CONNECTORS.
AIRCRAFT GROUND --- PIN ONLY REQUIRED FOR BEECH 102-389017-3.
11
DO NOT EXCEED 6-INCH LENGTH OF EXPOSED CORE WIRES BETWEEN END OF SHIELD AND
TRANSDUCER. THE LENGTH OF NON-METALLIC TRANSDUCER DISCONNECTS, IF INSTALLED, MUST BE
12
INCLUDED IN THIS LENGTH.
BOTH FUSES MUST BE THE SAME TYPE AND RATING.
13
190-02246-10
Rev. 11
Figure B-8 GEA 24 Sensor Interconnect
Sheet 5 of 7
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GI 275 Part 23 AML STC Installation Manual
Page B-18