Instruction manual
K4, K6, K9 series chillers – Installation and Operation manual
Issue 10.33
Page 12
3.0 Operation
K4, K6 and K9 chillers have been configured to provide temperature stability to 0.1C.
K series chillers are fitted with a high performance 3 term PID controller, which is
capable of controlling temperature to within 0.1C of set point. In addition, there is a high
and low temperature warning via the LED on the display of the controller, which is
triggered if the temperature deviates more than 10C from the set point.
3.1 – Changing the Set Point
This procedure permits rapid programming of the active Set Point and possibly the alarm
thresholds.
Push the ‘P’ button, then release it. The display will flash ‘SP 1’.
To modify the set point, press the ‘UP’ button to increase it or the ‘DOWN’ button to
decrease it.
Once the new set temperature is displayed Push the ‘P’ button, then release it. The value
is stored automatically after approximately 10 seconds, ‘SP 1’ will continue to flash
during this time.