Thermistors - Scotsman UC2024 Series Service Manual

UC2024 and UC2724 Service Manual

Thermistors

Thermistors
Note: Thermistors sold as a pair. Replacement requires
removal of front, upper back, and side panels.
• Blue wires to pump hose.
• Black wires to evaporator outlet.
All service in this area begins with disconnecting
electrical power.
1. Remove front panel.
2. Pull electrical box out.
3. Remove electrical box cover.
4. Disconnect thermistor set from controller.
5. Trace wires to each thermistor.
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. Remove insulation covering water temperature
thermistor.
10. Pull thermistor out of the hose.
11. Insert new thermistor (with blue wire) into hose.
Allow space between tip of thermistor and hose wall.
12. Route wires to electrical box and connect to
controller on the four pin terminal.
Electrical Shock Hazard
Disconnect electrical
power before beginning
November 2019
Evaporator
Temperature
Thermistor
Location
Water Temperature
Thermistor Location
Page 33