Filter
Top Products
1-39
1.14.8 M3000 Board Pin Positions and Harnesses
Connector From/To Harness PN
Pin
# Function Voltage Wire Color
J1 SD Card
J2
Interface
Board to
Computer
8074199
SMT Computer to
Interface Board
Harness
1 12VAC In 12VAC
Black
2 Ground
3 12VAC In 12VAC
4 FV Heat Demand
5 V Relay 12VDC
6 DV Heat Demand
7 R/H B/L 12VDC
8 Analog Ground
9 L/H B/L 12VDC
10 ALARM
11 Sound Device 5VDC
12 ALARM
13 FV Probe
14 Common Probes
15 DV Probe
16
17
18
19
20
J3
Interface
Board Ground
to Computer
Computer Locator
Harness
1 Vat #1
Black
2 Vat #2
3 Vat #3
4 Vat #4
5 Vat #5
6 Ground
J4 Not Used
J6
Next M3000
J7 or Network
Resistor
8074546
Computer
Communication
Harness
1 Ground Black
2CAN Lo Red
3CAN Hi White
4
5
6
J7
MIB J1 or
previous
M3000 J6
8074546
Computer
Communication
Harness
1 Ground Black
2CAN Lo Red
3CAN Hi White
4
5
6