Specifications
AVIONICS LIMITED
Installation and Interconnection Diagram
FUSE FOR CIRCUIT PROTECTION.
1) USE 5 AMP CIRCUIT BREAKER OR
AUX AUDIO INPUT
AUX AUDIO INPUT
HEADPHONE AUDIO (TIP)
MEMORY KEEP ALIVE
HEADSET GROUND (SLEEVE)
AIRCRAFT GROUND
IS NOT UTILIZED
VAL INTERCOM OPTION
BE INSTALLED WHEN
THESE JUMPERS MUST
TO COM ANTENNA
C
O
M
7
6
0
T
S
O
NOTES:
P101
13
14
CABIN SPEAKER
13.75 VDC INPUT
JUMPER
5
2
10
3
17
16
NC
NC
P301
JUMPER
JUMPER
15
8
11
7
12
4
MIC KEY (TIP)
MIC AUDIO (RING)
6
9
18
1
ILS ENERGIZE19
25 AIRCRAFT GROUND 20 AWG
P1210
P610
P910
6
24
12
13
18
TO NAVIGATION ANTENNA
TO GLIDE SLOPE ANTENNA
TO MARKER ANTENNA
+13.75 VDC INPUT 20 AWG
NC
NC
NC
NC
I
N
S
4
2
2
4
7
3
10
1
2
8
9
14
17
20
16
23
15
P1201
21
22
5
11
GLIDE SLOPE +FLAG (AUTO PILOT)
GLIDE SLOPE -FLAG (AUTO PILOT)
VOR/LOC +FLAG (AUTO PILOT)
NC
GLIDE SLOPE +DOWN (AUTO PILOT)
NC
AUTO OMNI
VOR/LOC +LEFT (AUTO PILOT)
NC
NC
NC
VOR/LOC -FLAG (AUTO PILOT)
GLIDE SLOPE +UP (AUTO PILOT)
NC
VOR/LOC +RIGHT (AUTO PILOT)
NC
VOR/LOC AUDIO
MARKER AUDIO
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
AND PLACARDED "AUTO-RADIAL CENTERING"
SEE NOTE 3
Figure 1.4
Drawing No. 900422-INS5
INS 422 Installation/Owners Manual
Original Issue – June 2001
VPN 701034
24