4-2
Maintenance Section 4
Interior Cleaning and Sanitizing
GENERAL
Clean and sanitize the ice machine every six months
for efficient operation. If the ice machine requires
more frequent cleaning and sanitizing, consult a
qualified service company to test the water quality
and recommend appropriate water treatment.
If required, an extremely dirty ice machine may be
taken apart for cleaning and sanitizing.
CAUTION
Use only Manitowoc approved Ice Machine
Cleaner (part number 94-0546-3) and Sanitizer
(part number 94-0565-3). It is a violation of Federal
law to use these solutions in a manner inconsistent
with their labeling. Read and understand all labels
printed on bottles before use.
CAUTION
Do not mix Ice Machine Cleaner and Sanitizer
solutions together. It is a violation of Federal law to
use these solutions in a manner inconsistent with
their labeling.
WARNING
Wear rubber gloves and safety goggles (and/or face
shield) when handling Ice Machine Cleaner or
Sanitizer.
SELF-CLEANING PROCEDURE (SeCS
)
Ice machine cleaner is used to remove lime scale or
other mineral deposits. It is not used to remove algae
or slime. Refer to “Self-Sanitizing Procedure” on the
next page for removal of algae and slime.
Step 1 Set the toggle switch to the OFF position
after ice falls from the evaporator at the end of a
Harvest cycle. Or, set the switch to the OFF position
and allow the ice to melt off the evaporator.
CAUTION
Never use anything to force ice from the evaporator.
Damage may result.
Step 2 To start self-cleaning, move the toggle switch
to the CLEAN position.
Step 3 Add the proper amount of Manitowoc Ice
Machine Cleaner to the water trough.
Model Amount of Cleaner
P-520/P-530 5 ounces (150 ml)
Step 4 The ice machine will automatically time out a
ten-minute cleaning cycle, followed by six rinse
cycles, and then stop. This entire cycle lasts
approximately 25 minutes.
Step 5 When the self-cleaning process stops, move
the toggle switch to the OFF position. Refer to “Self-
Sanitizing Procedure” on the next page.
Step 6 The ice machine may be set to start and finish
a self-cleaning procedure, and then automatically
start ice making again.
A. Wait about one minute into the self-cleaning
cycle, then move the toggle switch from
CLEAN to ICE position.
B. When the self-cleaning cycle is completed, an
ice making sequence will start automatically.
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