Refrigeration Removal And Replacement - Scotsman Prodigy C0322 Technical & Service Manual

Refrigeration Removal and Replacement

Evaporator
1. Remove panels as needed for evaporator access.
2. Remove evaporator cover.
3. If the machine was in operation, push and release the Harvest button to warm up the evaporator.
4. Disconnect electrical power.
5. Remove harvest assist
6. Recover refrigerant.
7. Remove curtain
8. Remove water distributor
9. Release ice thickness sensor
10. Remove water distributor bracket from the top of the evaporator
11. Connect nitrogen bottle to discharge access port. Open both access valves.
12. Open nitrogen valve
13. Unsweat the inlet and outlet refrigerant tubes. Use caution when heating the tubing, do not damage the
freezing compartment walls.
14. Shut nitrogen valve.
15. Gain access to the right side of the unit. Remove mounting screws holding the evaporator to the freezing
compartment wall. Note: fastener size is 5/16" hex.
16. Remove the evaporator from the ice machine.
17. Attach new evaporator to freezing compartment wall, but do not secure tightly at this time.
18. Install the harvest assist. Be sure pin moves freely thru ejection hole.
19. Open nitrogen valve
20. Reconnect inlet and outlet tubes by brazing the copper tubes together.
21. Replace filter drier.
22. Shut access valves, remove nitrogen bottle.
23. Evacuate to at least 300 microns.
24. Weigh in the nameplate charge. Check for leaks.
25. Return ice thickness sensor bracket, ice thickness sensor, water distributor, curtain and evaporator cover to
their original positions.
26. Reconnect electrical power.
27. Return panels to their original positions.
Electrical Shock Hazard
Disconnect electrical
power before beginning
January 2015 Page 100