9820K Setup and Special Features
View/Reset Totalizer
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MDE-4567D 9820K Series AST Pumps Installation and Operation Manual · January 2020
To reset the electronic totalizer, follow the disassembly procedure outlined under
on
earlier in this section.
1
Turn off the breaker supplying the 9820K AC power.
2
Jumper JP7 on the CPU PCB.
3
Hold the actuator against the totalizer bracket and have someone turn the breaker on. The
display should change to all zeroes.
4
Remove the actuator and remove jumper on JP7.
Note: Remove jumper from JP7 to prevent the totalizer from being reset the next time the
actuator is used to read it.
Mechanical Totalizer
Some 9820K models contain an optional mechanical totalizer. The totalizer has 8 digits; 7
whole gallons and 1 tenth-gallon column, 8 whole digits for liters. The mechanical totalizer is
located on the front right side of the pumping module.