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Exhaust Alert Operating & Fitting Instructions
7
HMI 201/01
Section 4
Wiring & Connections
Refer to appropriate wiring diagram.
4.1
Connection Block
•
Connection 1 is the common negative (-ve) for the unit, sensors, controls and
sirens.
•
Connections 2 (engine 1) and 3 (engine 2) are positive (+ve) supply (12/24V)
to the unit from engine 1 and 2 ignition circuits. The unit uses this supply to
identify which engine is running. These feeds must be protected using the
fuse holders and 1A fuses supplied.
•
Connection 7 is for the Repeater guage or the optional 120db siren positive
(+ve).
•
The Repeater Gauge connects to 8,9,10,11 and 1
•
Connections 4,5 & 1 are for exhaust sensors for two engines, each with one
pair of wires. For a single sensor system then the connection for the second
sensor (connection 5) should be connected directly to earth (connection 1),
•
Connection
12 activates the unit’s night mode, d
imming LEDs to preserve
night vision (+ve to dim).
4.2
Wiring Master Gauge
•
Remove approximately 80mm of the outer sheathing from the Master gauge
loom.
•
Remove 8mm of insulation of each core wire.
•
Lightly twist the strands of each core and insert into the appropriate
connection block position.
•
Connect the wires from the gauge unit to the connector block as follows and
tighten the clamping screws:
Connection
Block
Number
Wire Colour
Description
Required
Wire size
1
Black
Common -ve
0.75mm
2
2
Green
Engine 1 +ve
0.75mm
2
3
Turquoise
Engine 2 +ve
0.75mm
2
4
Orange
Engine 1 ve
Halyard
Supplied
5
Red
Engine 2 ve
Halyard
Supplied
6
Yellow
No connection
7
Slate Grey
Repeater gauge buzzer or
Optional 120 dB siren +ve
0.75mm
2
8
White
Optional repeater gauge
0.75mm
2
9
Blue
Optional repeater gauge
0.75mm
2
10
Brown
Optional repeater gauge
0.75mm
2
11
Purple
Optional repeater gauge
0.75mm
2
12
Pink
Night Mode input (+ve to
dim)
0.75mm
2
CAUTION:
Follow the wiring
instructions carefully
and check the
connections against
the correct wiring
diagram on page 7
before connecting the
power. Incorrect
connections could
damage the unit.
CAUTION:
When removing the
outer sheathing take
care not to damage
the insulation of the
individual core wires
underneath.
Содержание Exhaust Alert Mk3
Страница 11: ...Exhaust Alert Operating Fitting Instructions 9 HMI 201 01 Fig 5 Twin Engines Single Helm Station Wiring Diagram...
Страница 18: ...Exhaust Alert Operating Fitting Instructions 16 HMI 201 01 Installation Notes Installation Date...
Страница 19: ...Exhaust Alert Operating Fitting Instructions 17 HMI 201 01...