Gasboy CFN III Quick Reference Guide v3.3 - Manual (Page 51)

CFN III Quick Reference
MDE-4483 CFN III Quick Reference Guide v3.3 · August 2005 Page 47
I/O Board
The part number of the original PCU I/O board is
C05668.
Jumpers
Jumper Position Position Default
K1-K4 (see below)
K-5
in=low speed
main pulsers out=high speed
main pulsers
out
K1-K4 power pulsers 1-4.
For pulsers with mechanical switch
closures (such as VR 1871 series):
For electronic pulsers requiring +12
Volt power (such as VR 7671 series):
For pulsers with an external power
supply (such as VR 7874 series):
9800 Pump
Dispenser
CPU Board
Jumpers
Jumper K1 is set according to the size of the RAM IC
in socket U19. At this time, only the 2K size is being
used:
RAM Jumper Pins
2K across 2 and 3
8K across 1 and 2
LED Indicators
LED Function
L1 AUTH1 - side 1 AC authorization present
L2 SLOW1 - side 1 slow flow solenoid
L3 FAST1 - side 1 fast flow solenoid
L4 SUBM1 - side 1 submersible starter relay
L5 AUTH2 - side 2 AC authorization present
L6 SLOW2 - side 2 slow flow solenoid
L7 FAST2 - side 2 fast flow solenoid
L8 SUBM2 - side 2 submersible starter relay
L9 PUL1A - side 1 pulser, channel A
L10 PUL1B - side 1 pulser, channel B
L11 HAND1 - side 1 handle switch
L12 PUL2A - side 2 pulser, channel A
L13 PUL2B - side 2 pulser, channel B
L14 HAND2 - side 2 handle switch
Test Points
Test points are provided for voltage measurements.
Test Point Function
TP1 +5VDC
TP2 DC ground