Installation – Terminal Description
39
4.1.2 ANALOGUE SENSOR
PIN
No
DESCRIPTION CABLE
SIZE
NOTES
15 Sensor Common Return
0.5mm²
AWG 20
Return feed for sensors*
16 Oil Pressure Input
0.5mm²
AWG 20
Connect to Oil pressure sensor
17 Coolant Temperature Input
0.5mm²
AWG 20
Connect to Coolant Temperature sensor
18 Fuel Level input
0.5mm²
AWG 20
Connect to Fuel Level sensor
19 Flexible sensor
0.5mm²
AWG 20
Connect to additional sensor (user configurable)
NOTE:- Terminals 20 and 21 are not fitted to the controller.
NOTE: - It is VERY important that terminal 15 (sensor common) is soundly connected to
an earth point on the ENGINE BLOCK, not within the control panel, and must be a sound
electrical connection to the sensor bodies. This connection MUST NOT be used to provide an
earth connection for other terminals or devices. The simplest way to achieve this is to run a
SEPARATE earth connection from the system earth star point, to terminal 15 directly, and not
use this earth for other connections.
NOTE: - If you use PTFE insulating tape on the sensor thread when using earth return
sensors, ensure you do not insulate the entire thread, as this will prevent the sensor body
from being earthed via the engine block.
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