Our chillers come programmed to intelligent mode. This means the water temperature will be maintained with in +/- 5 degrees of the ambient air temperature in the room. 

Here is how to change to constant temp mode meaning you set a temperature and the temperature will remain within +/- 5 degrees of the set-point. 


1. Press and hold “▲” button and “SET” button for 5 seconds

2. Until “00” is displayed

3. Press “▲” button to select the password “08”. (Default setting is 08)

4. Press “SET” button to enter menu setting

5. Press “▲”button until F3 is displayed (F3 stands for way of control)

6. Press “▼” button to change the data from 1 to 0. (1 means intelligent temperature control mode while 0 means constant temperature mode)

7. Press “RST” button to save the modification and exit setting


You can find the users manual here: S&W CW-5000 Series Chiller User Manual


Here is how to change the temperature set point: Constant Mode Temperature Set Point on CW-5XXX Chillers


Here is a video on how to select the mode.