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Section 4 Maintenance
Part Number 80-1620-3 4-5
SANITIZING PROCEDURE
Use sanitizer to remove algae or slime. Do not use it to
remove lime scale or other mineral deposits.
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.
Step 2 Refer to Removal of Parts For Cleaning/
Sanitizing and remove ice machine parts.
Step 3 Mix a solution of water and sanitizer.
Step 4 Use the sanitizing solution and a sponge or
cloth to sanitize (wipe) all parts and interior surfaces of
the ice machine. Sanitize the following areas:
A. Side walls
B. Base (area above water trough)
C. Evaporator plastic parts
D. Bin or dispenser
Step 5 Rinse all sanitized areas with clear water.
Step 6 Install the removed parts, restore power and
place toggle switch in the clean position. The water will
flow through the water dump valve and down the drain.
The Clean light will turn on to indicate the ice machine is
in the Cleaning mode.
Step 7 Wait about two minutes or until water starts to
flow over the evaporator.
Step 8 Add the proper amount of Manitowoc Ice
Machine Sanitizer to the water trough by pouring
between water curtain and evaporator.
Step 9 The ice machine will automatically time out a
ten minute sanitizing cycle, followed by six rinse cycles,
and stop. The Clean light will turn off to indicate the
Cleaning cycle is completed. This entire cycle lasts
approximately 30 minutes.
When the sanitizing process stops, move the toggle
switch to ICE position.
!
Caution
Never use anything to force ice from the evaporator.
Damage may result.
!
Warning
Disconnect electric power to the ice machine (and
dispenser if applicable) at the electric switch box
before proceeding.
Solution Type Water Mixed With
Sanitizer 4 gal. (15 l) 3 oz (90 ml) sanitizer
Model Amount of Sanitizer
S300/S320/S420 3 ounces (88 ml)
S450/S500/S600/S850/
S1000/S1200
5 ounces (148 ml)
S1400/S1600/S1800 9 ounces (266 ml)