Carbolite R38 User Manual download pdf (Page 3)

R38 Controller

MC24 – 1.02 3

To alter the setpoint, press the down arrow key once, “SPI” flashes. Then use the up and down

arrow keys to adjust the setpoint. Press the P key to accept.

3. PROCESS TIMER (IF FITTED)

To set a process time:

Press the P key; t1 shows momentarily on the display and the SET/CNT light flashes quickly.

Use the arrow keys to adjust the process time, which is in hours and minutes (hr.mn). Wait 5

seconds without pressing a key, or press the U key once, and the display returns to normal.

If a process time of zero is set then the timer is disabled and the controller operates as though the

timer is not present.

To start the timer:

Press the U key once. Timing starts. The SET/CNT light flashes slowly while timing is in

progress, and the display counts down (at the end of each minute).

At the end of timing the OUT light comes on continuously and power to the temperature

controller is cut off.

To reset the timer after timing has finished:

Press the U key once. The timer is now idle: it is not stopping the oven from heating, nor is it

timing.

Power is only supplied to the temperature controller when the timer is reset or is timing.

To stop the timer during timing:

A press of U during counting down stops the timer. The temperature controller remains on.

It is not possible to resume timing from where it stopped: the next press U resets the timer.

TT 34

SET

CNT

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Carbolite R38 User Manual Page 3