1-17
1.11.3 ATO (Automatic Top-Off) Board Pin Positions and Harnesses
Connector From/To
Harness
#
Pin
# Function Voltage
Wire
Color
J8
Solenoids
8075161
8075162-
(4 or 5 battery)
1
Output DV - Vat #1
Ground
Green
2
Output FV - Vat #1
Red
3
Output DV - Vat #2
Green
4
Output FV - Vat #2
Red
5
Output DV - Vat #3
Green
6
Output FV - Vat #3
Red
Top Off Pump Relay
7 Top
Off
Pump
12VDC
Red
JIB Reset Switch
8 JIB
Reset
16VDC
Red
Solenoids
8075161
8075162-
(4 or 5 battery)
9
24VAC DV - Vat #1
24VAC
White
10
24VAC FV - Vat #1
Black
11
24VAC DV - Vat #2
White
12
24VAC FV - Vat #2
Black
13
24VAC DV - Vat #3
White
14
24VAC FV - Vat #3
Black
Top Off Pump Relay
15 Ground
12VDC
Black
JIB Reset Switch
16 Ground
16VDC
Black
J4 (Rear) /
J5 (Front)
Transformer 8074553
1 24VAC
Ret
24VAC
Orange
2 24VAC
Blue
3
4
5 12VAC
Ret
12VAC
Red
6 12VAC
Brown
ATO 4 and 5 Battery
Jumper
8075163
7 Jumper
Ohm
Black
8 Jumper
Black
J3 - Vat 5&6
J2 - Vat 3&4
J1 - Vat 1&2
ATO RTD
1080501 (FV)
1080502 (DV)
1
DV - Probe Ground
Ohm
White
2
DV - Probe
Red
3
FV - Probe Ground
White
4
FV - Probe
Red
J6
1
2
J10
Network Resistor
(pins 2 & 3)
or to next ATO Board (4
& 5 vat units)
8074552
1 Ground
Black
2
CAN Lo
Red
3 CAN
Hi
White
4 5VDC+
5VDC
Black
5 24VDC
24VDC
Red
6 Ground
White
J9 3000
J7
8074646
1 Ground
Black
2
CAN Lo
Red
3 CAN
Hi
White
4 5VDC+
5VDC
Black
5 24VDC
24VDC
Red
6 Ground
White