Maintenance: Scale Removal And Sanitation - Scotsman Prodigy Plus A Series Service Manual

FS2330L
Remote Low Side User Manual

Maintenance: Scale Removal and Sanitation

Note: Following this procedure will reset the de-scale
and sanitize light.
Preparing to Clean
1. Remove both the front and right panels.
2. Push and release the OFF button.
3. Remove ice from bin or dispenser.
4. Remove the ice chute covers.
5. Remove the water reservoir cover.
6. Turn the water supply to the float valve off by turn-
ing the knob 1/4 turn CCW.
7. Drain the water reservoir and evaporators into a
bucket using the vent tube. Return the vent tube to
it's original collar bracket.
8. Using a small cup for precise pouring, add hot
(100-120°F) water into the reservoir until water
comes out of the top of the evaporators at the
extruders, about 2qts (varies slightly by model).
9. Let hot water warm evaporators for 2-5 minutes
and then drain the system (refer to step 7).
10. Loosen the thumb screw and raise the water res-
ervoir from the "Make Ice" position to the "Clean"
position.
Ice machine scale remover
contains acids. Acids can
cause burns.
If concentrated cleaner
comes in contact with
skin, flush with water. if
swallowed, do NOT induce
vomiting.
Give large amounts of
water or milk. Call Physician
immediately. Keep out of the
reach of children.
March 2021
Scale Removal
11. Prepare a solution of 32oz. Scotsman Clear One™
scale remover and 32oz. 95-115 °F. potable water.
12. Using a small cup for precise pouring, add the
scale remover solution into the reservoir until the
solution comes out of top of the evaporators at the
extruders, about 2qts (varies slightly by model).
13. Push and release the Clean button: C is displayed
and the Time to Clean light blinks. The augers will
turn and circulate the scale remover for 30 min-
utes before shutting off. No ice is made during the
cleaning cycle.
14. Lower the water reservoir back to the "Make Ice"
position. Drain the water reservoir and evaporators
into a bucket using the vent tube.
15. Perform a rinse of the system: turn the water sup-
ply to the float valve back on and allow the evapo-
rators to fill. Once full, turn the water supply at the
float valve off and drain the system using the vent
tube. Return the vent tube to it's original collar
bracket.
Sanitize
16. Create a solution of sanitizer. Mix 4oz/118ml of
NuCalgon IMS and 2.5gal/9.5L of (90°F/32°C to
110°F/43°C) potable water to create a 200 ppm
solution.
17. Pour the sanitizing solution into the reservoir.
18. Push and release the On button.
19. Switch the water supply to the ice machine on.
20. Operate the machine for 20 minutes.
21. Push and release the Off button.
22. Wash the reservoir cover and ice chute covers in
the remaining sanitizing solution.
23. Return the reservoir cover and ice chute covers to
their normal position.
24. Melt or discard all ice made during the sanitizing
process.
25. Wash the inside of the ice storage bin with the
sanitizing solution.
26. Push and release the On button.
27. Return the front panel to its original position and
secure with the original screws
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