Evaporator - Scotsman UC2024 Series Service Manual

UC2024 and UC2724 Service Manual

Evaporator

1. Disconnect electrical power.
2. Drain water from sump.
3. Remove front, upper back and both side panels.
4. Recover refrigerant.
5. Disconnect water hose to top of evaporator.
6. Remove corner insulation block on the tubing side
of the evaporator.
7. Strip back tubing insulation to expose joints.
8. Remove evaporator thermistor from tubing.
9. Unsweat evaporator at exposed joints.
10. Remove two screws at top of evaporator.
11. Lift evaporator up and out of unit.
12. Slide new evaporator into unit.
13. Attach nitrogen bottle to suction tube and purge
system with low pressure nitrogen.
14. Braze new evaporator to system.
15. Disconnect nitrogen.
16. Evacuate system to 300 microns.
17. Weigh in nameplate charge.
18. Reinstall two screws at top of evaporator.
19. Reinstall evaporator thermistor.
20. Reinstall corner insulation block.
21. Return tubing insulation and secure with cable ties
as needed.
22. Reconnect water hose to top of evaporator.
23. Reconnect electrical power.
24. Restart unit, check operation.
25. Return all panels to their original positions and
secure with the original screws.
Electrical Shock Hazard
Disconnect electrical
power before beginning
November 2019
Remove Two
Screws
Evaporator
Thermistor
Page 36
Evaporator Joint