Garmin GI 275 Installation Manual page 399

NOTES
FLIGHT DIRECTOR WIRING TO EXISTING ADI MUST BE DISCONNECTED IF THIS INDICATOR IS USED AS A
STANDBY INSTRUMENT FOR THE GI 275. THIS ADI MUST BE LOCATED IN ACCORDANCE WITH
SECTION 3.2. IF THIS INDICATOR IS BEING RELOCATED TO THE CO-PILOT'S SIDE, WIRING MAY BE
1
CONNECTED IN PARALLEL TO THIS ADI AND MUST BE CONNECTED IN ACCORDANCE WITH THE
MANUFACTURER'S INSTRUCTIONS.
IF THE FLIGHT DIRECTOR IS BEING DISPLAYED ON THE CO-PILOT'S ADI, THIS FLIGHT DIRECTOR
ALIGNMENT MUST BE CORRECTLY ADJUSTED IN ACCORDANCE WITH THE MANUFACTURER'S
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INSTRUCTIONS PRIOR TO MAKING ANY ADJUSTMENTS TO THE GI 275.
EFIS-ENABLED KC 19X COMPUTER (P/N 065-0042-16) IS NOT SUPPORTED.
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THE KCI 310 INDICATOR CONTAINS A TEST KEY THAT IS USED TO INITIATE THE KFC 300 SELF-TEST. IF THE
KCI 310 INDICATOR IS REMOVED, AN EXTERNAL MOMENTARY SWITCH MUST BE INSTALLED TO REPLACE
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THE FUNCTION OF THE KCI 310 TEST SWITCH. THE SWITCH SHOULD BE LABELED "AP TEST."
POWER TO THE SONALERT MUST NOT BE INTERRUPTED BY THE EXTERNAL GI 275 AP DISC RELAY.
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IF THE GI 275 IS USED TO REPLACE THE ADI AND THE WIRING TO THE EXISTING ADI IS REMOVED,
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ENSURE THAT GROUND REFERENCE PINS REMAIN JUMPERED AS SHOWN.
IF THE MODE CONTROL PANEL DOES NOT SUPPORT THE NAV FLAG, THESE OUTPUTS FROM THE GI 275
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MAY BE LEFT UNCONNECTED.
ALL WIRES FROM RELAY TO AP DISC INPUT MUST BE OF THE SIZE SPECIFIED IN THE AUTOPILOT
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INSTALLATION MANUAL TO SUPPORT THE CURRENT LOAD FROM THE DISCONNECT CIRCUIT.
RELAY CONTACTS SUPPORT A MAXIMUM OF 2 AMPERES SWITCHING AND 2 AMPERES CONTINUOUS
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CURRENT.
WHEN THE KRG 331 RATE GYRO IS REMOVED AND REPLACED BY THE GI 275, P2962-7 MUST BE
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CONNECTED DIRECTLY TO P19X1-15 AS SHOWN.
IF THE GI 275 IS USED TO PROVIDE BARO-CORRECTION TO THE AUTOPILOT, THE AUTOPILOT MUST BE
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RECALIBRATED TO THE ALTITUDE SOURCE. REFER TO SECTION 5.4.9.
INSTALL EXTERNAL AP DISCONNECT RELAY INTO AP DISCONNECT CIRCUIT AS SHOWN. EXTERNAL AP
DISC RELAY CONTACTS MUST SUPPORT THE MAXIMUM CURRENT THROUGH THE AP DISCONNECT
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WIRING.
IF THE ENCODING ALTIMETER IS BEING REPLACED, A BLIND ENCODER MUST BE USED TO SUPPLY GRAY
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CODE ALTITUDE TO THE AUTOPILOT.
GI 275 FD ENABLE INPUT MUST BE PULLED UP TO THE SAME CIRCUIT BREAKER AS THE AUTOPILOT
COMPUTER IN ORDER TO ENSURE THAT THE COMMAND BARS ARE REMOVED WHEN TH AUTOPILOT
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COMPUTER IS NOT POWERED UP.
Figure B-17 Autopilot/Flight Director Interconnect - Honeywell (Bendix/King)
190-02246-10
Rev. 11
Sheet 9 of 10
GI 275 Part 23 AML STC Installation Manual
Page B-54