4-5
Operating Instructions Operator Manual 920509-645
Pre-wash water recirculates through oscillating jet system for
programmed time interval.
Printer records time and water temperature in chamber sump at
beginning and end of recirculation.
Water contained in traveling spray header is sent to sump (all
units).
Sump water is pumped to drain.
Water still present in sump is gravity-drained (option).
• ALKALINE WASH PHASE
Hot water, from building supply (or from alkaline wash tank, if
option applies) fills sump.
Alkaline detergent is injected into sump.
Detergent solution is recirculated through oscillating jet system
for programmed amount of time.
Printer records time and solution temperature in chamber sump
at beginning and end of recirculation.
• HEADER DRAIN
If water is not returned to the tank, sump water is pumped to
drain.
If water saver not enabled, water still present in sump is gravity-
drained (option).
If water saver is enabled, sump water is sent back to alkaline
tank.
If sump flush option is available, water still present in sump is
gravity drained.
If sump flush option is available, water is injected in sump to
remove debris.
If sump flush option is available, refreshed water still present
in sump is gravity drained.
• ACID WASH PHASE
Hot water, from building supply (or from acid wash tank, if option
applies) fills sump.
Acid detergent is injected into sump.
Detergent solution is recirculated through oscillating jet system
for programmed amount of time.
Printer records time and solution temperature in chamber sump
at the beginning and end of recirculation.
Load is soaked in Acid solution for programmed amount of time.
Water contained in traveling spray header is sent to sump.
Sump water is pumped to drain.
If water saver not enabled, water still present in sump is gravity-
drained (option).
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