Detailed Wiring - Blue Sea Systems M2 Instructions Manual

DETAILED WIRING

1841 Temperature Monitor
Temp 1 Temp 2
5A
Battery
Relay
OR
(7713 12V)
(7717 24V)
Note: The negative feed of all of the temperature sensors should terminate
as close as possible to pin 1. Use Blue Sea Systems' PN 2304 Mini Bus
with a short 18 AWG guage wire from pin 1 to the Mini Bus.
Temperature Sensor Connections 1821
1 2 3 4 5 6 7 8
1821 Temperature Sensor
Temperature 1 Example
4
Temp 3 Temp 4
1 2 3 4 5 6 7 8
Alarm (1070) LED
OR
(8033 Amber)
(8171 Red)
(8172 Green)
Pin-out Table
1841 Connector Pin Assignment Table
USB Micro USB Port
8 Pin Connector* Function
1 DC Negative
Required Connection
2 DC Supply
Required Connection
3 Relay DC Output
4 Relay DC Supply
5 Temperature 1
6 Temperature 2
7 Temperature 3
8 Temperature 4
*The 8 pin low voltage connector supports wire sizes from 16-26 AWG