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November 2008 Part No. 920559 Rev H
3.11.3 Electro-Mechanical Totalizer Operation
Electro-Mechanical totalizers are standard on 3/Vista model dispensers. See Figure 2-4 for location.
Electro-Mechanical totalizers are located on the junction box side of the dispenser. There is one totalizer for each
meter. The totalizer positions on the bezel relate to the meter position numbers shown in Table 3-2. The physical
position of the totalizers, left to right, on the bezel represent meter positions.
The totalizer shows seven digits and reads in whole units (gallons or liters). Fractional amounts that are left over
from a previous sale are stored in the dispenser computer. When the next sale of the same product ends, if the
fractional amounts from the new sale and previous sale(s) combined are one (1) whole unit or greater, the Elec-
tro-Mechanical totalizer is adjusted one whole increment; i.e., if five consecutive sales end with a fractional
amount of .2, the Electro-Mechanical totalizer will not account for the fractions until after the fifth sale.
Note: A loose sheet of decals, part number 1-300051, with both preprinted (Low, Middle, High, Single) and
non-printed labels is supplied inside the electronic head of the dispenser for marking the
totalizer positions).
AA Z Y X
8765
MMMM
4321
Junction Box
Table 3-2 Meter Positions for Ovation Dispensers
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