Operation
MODEL EST Front Loader INSTALLATION & OPERATION MANUAL Rev. Draft
Page
7
3.2.
EST-FL Front Loader Operational Cycle
The EST-FL Operational Cycle has a total cycle time of 90 seconds. The Timing
Diagram and the steps listed below detail the individual functions that are executed
during each Operational Cycle.
Seconds:
0
10
20
30
40
50
60
70
80
90
1.
With the machine powered up, the door closed the dishwasher will begin a cycle.
a)
When the Start switch is pressed the timer assembly motor is energized through
the normally closed contact of the Start/Stop Relay.
b)
Within a couple of seconds cams 1 and 2 close their respective switches. Cam
switch 1 (Start/Stop) maintains power to the timer assembly motor throughout the
90-second cycle. Cam switch 2 (Cycle Reset) energizes the Start/Stop Relay.
c)
The Start/Stop Relay, once it is energized by cam switch 2, is held in by its own
normally open contact for as long as the doors remain closed.
*
“S” series same otherwise noted
Start/Stop
Cycle Reset
Drain/Rack
Counter
Flush/Fill
Detergent
Sanitizer
Rinse Aid
Pump Motor
WASH
DRAIN
Cam 1
Cam 2
Cam 3
Cam 4
Cam 5
Cam 6
Cam 7
Cam 8
RINSE
4sec. delay to prevent
chemical damage
Summary of Contents for EST-FL
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