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REPLACING TEMPERATURE SENSOR
If you have any questions or concerns about working on the chiller always consult a certified
electrician first. Required tools: wire cutters and Phillips screw driver.
Replacing temperature sensor for CC-25B
1. Unplug the chiller.
2. Unplug/disconnect the water being supplied to the chiller.
3. Disconnect tubing.
4. Drain the water from the heat exchanger.
5. Remove the eight screws that hold on the cover of the chiller.
6. Remove cover. Caution: Connected to the cover is the temperature controller. Remove
slowly. Then, disconnect the connection between the cover/controller and the chiller.
7. On the heat exchanger is compression fitting holding the sensor. Loosen the fitting and
slide out the sensor.
8. With a pair of dykes, remove the zip ties holding the sensor wire.
9. Disconnect the sensor from the temperature controller.
10. Install new sensor. Use Teflon tape on the compression nut.
11. Secure sensor wire with new zip ties cutting off excess.
12. Reconnect the temperature controller.
13. Replace cover and secure with screws.
14. Reinstall.
Replacing temperature sensor for CC-50
1. Unplug chiller.
2. Unplug/disconnect the water supplied to the chiller.
3. Disconnect tubing.
4. Drain the water from the heat exchanger.
5. Remove compression tubing connectors.
6. Remove the six screws that secure the back cover of the chiller.
7. Remove back cover. Caution: connected to the front cover of the chiller is the
temperature controller. Remove slowly.
8. Disconnect wire from controller to chiller using the white quick wire disconnect.
9. Remove the four screws that secure the front cover to the chiller.
10. Cut zip ties around the insulation and wires going to the compressor and heat
exchanger.
