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Part Number:040005890 Rev 05 12/19 17
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.
The ice machine must be taken apart for cleaning and
sanitizing.
,
Caution
Use only Manitowoc approved Ice Machine Cleaner and
Sanitizer. Using a non Manitowoc cleaner or sanitizer
may result in bodily harm and/or cause damage to the
ice machine that is not covered under the warranty. Do
not use cleaner or sanitizer quantities that exceed the
amounts listed in this manual. Do not use these solutions
in a manner inconsistent with their labeling. Read and
understand all labels printed on bottles before use.
Cleaning and Sanitizing Procedures
Ice machine cleaner is used to remove lime scale and mineral
deposits. Ice machine sanitizer disinfects and removes algae
and slime.
Control Operation
Pressing and holding the Clean button for 3 seconds starts
the clean cycle. The Clean and On/Off lights energize
indicating the clean cycle has started and ice making will
automatically start when the clean cycle is complete.
• Setting the ice machine to stop after the clean cycle:
Press the On/Off button. The On/Off light will de-
energize, indicating the ice machine will stop after the
clean cycle.
• Pausing the cleaning cycle: Press the Clean button. The
clean light will flash indicating the clean cycle has paused.
Pressing the Clean button again will restart the clean
cycle.
NOTE: If the ice damper is open for 2 seconds, the clean cycle
will pause. If the damper is open for 30 seconds, the clean
cycle will be canceled.
Step 1 Press the On/Off button after ice falls from the
evaporator at the end of a harvest cycle. Or, press the On/Off
button and allow the ice to melt off the evaporator.
Step 2 Remove all ice from the bin.
Step 3 To start a cleaning cycle, press the Clean button.
Water will flow through the water dump valve and down the
drain. Wait until the water trough refills, then add the proper
amount of ice machine cleaner to the water trough.
Model Amount of Cleaner
U0140 2 ounces (60 ml)
U0190 5 ounces (150 ml)
U0240 5 ounces (150 ml)
U0310 5 ounces (150 ml)
Wait until the clean cycle is complete (approximately
22 minutes) then press the On/Off button and disconnect
power and water supplies to the ice machine.
Step 4 Remove parts for cleaning.
Refer to the proper parts removal for your machine.
Continue with step 6 when the parts have been removed.
Section 4
Maintenance
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