4-10
122997-341 Operator Manual Washer Operation
Printer records time and solution temperature in chamber sump
at the beginning and end of recirculation:
ACID WASH 10:21:55A 141.5
10:26:55A 140.2
>> Load is soaked in Acid solution for programmed amount of
time. If temperature is guaranteed, actual sump temperature
alternates with guaranteed set temperature. Display shows:
CYCLE 10 (G=) 167.8F
ACIDSOAK T= 2:00
• TIME-BASED pH NEUTRALIZATION (Option)
>> Acid neutralizer is injected during programmed amount of
time. If temperature is guaranteed, actual sump temperature
alternates with guaranteed set temperature. Display shows:
CYCLE 10 (G=) 167.8F
ACIDNEUTRALIZ T= 2:00
• CONTROLLER-DRIVEN pH NEUTRALIZATION (Option)
>> pH analyzer is initialized. Display shows:
STANDBY
NEUTRALIZING SUMP
>> pH analyzer checks to see if value is within limits. Display
shows:
CHECKING pH
pH=XX.XXX
>> If pH is too low while injecting, acid neutralizer is injected
to compensate. Display shows:
pH TOO LOW
INJECTING ACIDNEUT
>> Water-Acid neutralizer solution is mixed. Display shows:
pH TOO LOW
MIXINGWATER
>> If pH is too high while injecting, alkaline neutralizer is
injected to compensate. Display shows:
pH TOO HIGH
INJECTING ALK.NEUT.
>> Water-Alkaline neutralizer solution is mixed. Display shows:
pH TOO HIGH
MIXING WATER
>> Water contained in traveling spray header is sent to sump. If
temperature is guaranteed, actual sump temperature
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