Scotsman HID Service manual

HID Ice Maker-Dispenser PM

Planned Maintenance:

Ice Machines require periodic maintenance to be able to deliver like-new reliable performance. That

maintenance will be in ve areas:

• Drip tray and drain system

• Air cooled condenser lter and condenser

• Ice dispense bin and rotor

• Photo eye ice level control

• Ice making water system

The maintenance includes:

• Scale removal

• Sanitization

• Filter cleaning or change

Schedule:

Typically twice per year for scale removal and sanitizing. At some sites the water supply to the ice machine

will contain signicant quantities of minerals, and that will result in a water system becoming coated with these

minerals, requiring more frequent maintenance than twice per year.

Drip Tray and Drain:

• Weekly ush out recommended

Air Filter Cleaning:

• Monthly and every 6 months with the ice machine scale removal

Ice Dispense Bin and Rotor Cleaning and Sanitizing:

• At the same time of scale removal and ice machine sanitization, more frequently if needed

Photo Eye Ice Level Control

• At the same time of scale removal

Ice Machine Water System, including water lters:

• Remove scale from water system and change lters a minimum of every 6 months

• Sanitize the water system whenever the scale has been removed

For the Owner or Operator - several items can be “do it yourself” procedures:

• Water lter change - estimated time 5 minutes

• Air lter cleaning or change - estimated time 10 minutes

Ice Dispense Bin and Rotor Cleaning and Sanitizing

Necessary Materials

Hand tools, cleaning supplies including scale remover and sanitizer, plus hand protection are recommended.

Frequency and Background:

Recommended minimum time between cleanings is 6 months. To aid in determining if the machine has not

been cleaned in 6 months, a Time To Clean light will glow after 6 months of power up time. Cleaning the

machine with the following process will reset that light and the timer that controls it. More frequent cleanings

may be required based on the mineral content of the water, run time and potential airborne contamination.

Basic Process - See User Manual for Complete Details

1. Remove both front panels.

2. Push On/Off button to shut ice making off.

3. Shut water supply off, either by lifting the oat

with the lever on the size of the reservoir or by

shutting the water off to the ice machine.

4. Drain water from ice making system by pulling

reservoir drain hose from plug at drain basin

and return to plug when drained.

Note: Drain into drain basin in base of unit. Sink

must be attached to unit throughout this process.

5. Remove reservoir cover and ll with hot (110-

120 degree F.) water, wait 2 minutes and

drain water from ice making system by pulling

reservoir drain hose from plug and return

hose to plug when drained.

6. Mix a solution of 12 ounces of Scotsman

Clear 1 ice machine scale remover and 12

ounces of clean, potable water.

7. Loosen thumb screw holding water reservoir

to post.

8. Lift water reservoir to the top of the post and

re-secure with the thumb screw.

9. Remove cover from water reservoir.

10. Vend all ice from dispenser.

11. Remove dispense bin cover, but keep photo

eyes connected to harness.

12. Remove ice discharge chute cover from top of

ice making system.

13. Pour cleaning solution into reservoir. Caution:

solution is highly acidic. Use rubber gloves

and Do Not Spill

14. Push the Clean button. The unit will operate

the auger motor for 30 minutes and then stop.

Note: Stop at any time by pushing the On/Off

button.

15. Disconnect unit from electrical power.

16. Drain the scale remover solution from the

water system by pulling the reservoir drain

hose from its plug and return it to the plug

when drained.

17. Pour 24 ounces of clean, potable water into

the reservoir.

18. Drain the water from the water system by

pulling the reservoir drain hose from its plug

and return it to the plug when drained.

19. Mix a solution of 4 ounces of ice machine

scale remover and 16 ounces of potable

water. Use this scale remover solution

to washout the water reservoir cover, ice

discharge chute, ice chute cover, ice delivery

chute, storage bin cover and inside of the ice

storage bin. Also wash the sink /drip tray and

grill with this solution. Pour half down the bin

drain and the rest into the sink / drip tray to

ush out their drains.

Sanitize now.

20. Mix a 2 gallon solution of sanitizer. A

recommended sanitizer solution is one 2 oz.

packet of Stera Sheen Green Label and 2

gallons of warm (95o to 105oF.) potable water,

or an equivalent sanitizer at a concentration of

100 ppm.

21. Pour the sanitizer solution into the reservoir

until it is full (level with the molded line on the

side).

22.Reconnect electrical power.

23.Push the On/Off button to make ice for 10

minutes. Add more sanitizer to the reservoir to

keep it full while making ice.

24.Push the On/off button to stop making ice.

25. Disconnect electrical power.

26.Remove the ice outlet cover, dispense rotor

and ice dispenser agitator from the bin. Wash

them with the sanitizer solution.

27.Wash all inside surfaces of the ice storage

bin and ice discharge chute with the sanitizer

solution.

28.Wash the ice discharge chute cover, ice

sweep, metal area below the ice sweep and

ice dispense chute with the sanitizer solution.

29.Wash the sink / drip tray and grill with the

sanitizer solution. Pour remaining sanitizer

into the bin and sink. Do not overll bin.

30. Drain sanitizer from ice making system by

pulling reservoir drain hose from plug and

return hose to plug when drained. Repeat with

clean water.

31. Loosen thumb screw holding water reservoir

to post and lower the water reservoir to the

top of the slot, retighten thumb screw.

32.Return the chute cover, dispense rotor and

agitator to the inside of the storage bin.

Secure with the original fasteners.

33.Return the ice dispense chute and water

reservoir cover to their original positions and

secure them with their original fasteners.

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