Form No. 56043161 - Clean Track
®
L24 - 49
A1 Speed Control Pin Connections
R2 Voltage Values
0V -= Minimum Speed
5V = Maximum Speed
R1 Voltage Values
2.5V - 5V Forward
0 - 2.5V Reverse
Figure 18
WHEELDRIVE SYSTEM
A1 Speed Control
Pin Connection
3
5
1
3
18
9
6
1
6
4
POT HIGH
POT
WIPER
POT
LOW
SPEED
LIMIT
KSI
R1 Throttle
5K Ohms
100K Ohms
R2 Sp eed Limit
WHT
BLU
BRN
BLK
BLK
WHT
POT
REV.
STATUS
BRAKE
BLK
WHT
1
1
2
2
3
3
This drawing shows additional controller input circuit detail. The R2 pot is shown at the Max speed setting and the R1
pot in neutral.
Low Current A1 Speed Control Pin Key Detail
Pin # Wire Color Controller Description and Function
1 - Open - not used
2 - Open - not used
3 Black Throttle Pot R1 pot high input
4 Blue Throttle Pot R1 pot wiper input
5 Brown KSI (key switch input): Battery (+) powers up controller logic circuits
6 Red/Black Auxiliary Driver: Battery (-) output to main controller (E1) to turn on (activate) all auto scrub
functions
7 - Open - not used
8 - Open - not used
9 Orange/
Blue
Status Fault: Speed controller fault output to main control panel fault indicator light (accessory
wand)
10 - Open - not used
11 - Open - not used
12 - Open - not used
13 White Throttle Pot R1 pot low input
14 - Open - not used
15 - Open - not used
16 Blue/Black Rev/Alarm Driver output Battery (-) command turns off solution valve(s)
17 - Open - not used
18 Brown Speed limit pot input connection