Carbolite 301 - Manual (Page 10)

Ramp Dwell Programming
10 MC16-GB-C – 1.04
4 Temperature Setpoint Ramp Rate
4.1 Setpoint Ramp Rate
The setpoint ramp rate controls the rate at which the temperature in a furnace or oven
changes over 1 minute. It can be set for heating and cooling applications.
Setpoint ramp rate is useful when materials susceptible to thermal shock are being used.
4.2 Limitations of setpoint Ramp Rate
The setpoint ramp rate should not be set higher than the maximum heat up or cool down
rate of the furnace or oven.
The setpoint ramp rate only resets its start position when the ramp rate is changed or the
controller it taken out of Hold mode.
Changes in the temperature setpoint do not affect the ramp rate.
If the temperature is set below the current temperature of the furnace or oven then after a
period of time adjusted to a temperature higher than the current temperature with out
adjustment of the ramp rate, the controller can become out of step and appear to switch off.
Putting the controller in to, then out of Hold mode will reset the ramp rate and force the
controller back into control.
5 The Timer
5.1 Starting the Timer
Start at the Home display.
Press the Timer key once to start the timer.
If you are in Hold Mode, pressing the timer key will automatically exit Hold Mode and the
controller will start to run.
5.2 Checking the time remaining
While the Timer is running
Start at the Home display
Press the Timer key once to check the time remaining.
The display will then flash
t- 3 times.
The time remaining will show on the display for 3 seconds before returning to the home
display.
5.3 Pausing The Timer
Start at the Home Display
Press and hold the Timer key for 1.5 seconds. The display alternately shows
t1
and
PU. To resume the timer press the Timer key once.
Hold