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UF424 / UN324 Technical Manual
10. Pour the cleaning solution into the reservoir until
it is full (a squirt bottle may be necessary to fill
reservoir with cleaning solution).
11. Push the clean button. The machine will operate
the auger motor for approximately 20 minutes.
Then it will start making ice with the cleaning
solution.
12. Add remaining cleaning solution to the reservoir
as ice is being made for the next 20 minutes. After
the full 40 minutes (steps 11 & 12) the unit turn off.
13. Drain the solution from the reservoir by removing
the plug. Once drained, replace the plug.
14. Pour clean water into the bin to melt any ice
produced during the cleaning cycle.
15. Mix a solution of 4oz/118ml of Scotsman Clear
1 ice machine scale remover and 16oz/473ml of
potable water. Use this scale remover solution for
the water reservoir cover, ice discharge chutes,
the storage bin and the inner front cover.
Sanitize Water System
1. Create a solution of sanitizer. Mix 4oz/118ml of
NuCalgon IMS III and 2.5gal/9.5L of (90
0
0
110
F/43
solution.
2. Pour the sanitizing solution into the reservoir until
it is full and wait 2 minutes.
3. Turn on the water supply and press the ON /Off
button to turn the ice machine on
4. Operate the machine for at least 15 minutes.
5. Drain the solution from the system by pulling the
reservoir plug from the drain hose. Return plug
when drained.
Photo Eye ice level control
1. Mix solution of 4 ounces of Clear 1 Ice Machine
Scale Remover and 1.5qt/1.4L of 90
0
0
110
F/43
2. Remove sensors from inner cover by removing
the white c-clip .
3. Use cotton swab and cleaning solution to
thoroughly clean photo sensors.
4. Rinse sensors with clean water.
5. Reinstall sensors in inner panel.
Bin
1. Use the same cleaning mixture to thoroughly
clean bin surfaces.
2. Rinse with clean water.
3. Use sanitizer mix on all bin surface areas and
areas that may contact the ice.
4. Rinse with clean water.
September 2017
Page 12
C ) potable water to create a 200 ppm
C water.
0
0
F/32
C to
0
0
F/32
C to
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