Rohde TC 304, Instruction Manual

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Calling Up a Program
The TC 304 can save up to 5 firing curves i.e. programs. Program numbers 1– 4
are factory-set with standard firing curves and can be modified (see table below).
The pre-set programs are only optional settings and can be adapted according to
the materials that you use.
Prog. Description t0 Rmp1 Tmp1 Rmp2 Tmp2 t2 Rmp3
Nr. (h.min) (°C/h) (°C) (°C/h) (°C) (h.min) (°C/h)
01* Initial firing 1050 °C 0 100 1050 SKIP 1050 1.30 SKIP
02 Bisque 950 °C 0 60 600 100 950 0.00 SKIP
03 Earthenware 1050 °C 0 150 900 100 1050 0.30 SKIP
04 Stoneware 1250 °C 0 150 900 60 1250 0.05 SKIP
In the following example we will call up program No. 04 to start the firing. After
turning on the TC 304, the display indicates the room temperature. Press the
prog
key until the display shows program “P4”. The display changes after a few seconds
and shows the respective end temperature of the selected program.
Starting a Firing
Push the “Start / Stop” key to start the program. The display shows the actual kiln
temperature and the green LED on the “Start / Stop” key flashes.
* We recommend that you use preset program No. 01 “Initial firing” for the initial firing of your kiln, new
heating elements (oxidation firing) and new furniture material (stilts and batts). Open the air supply and
exhaust air openings during initial firing. Please consult the kiln instruction manual.
Note: If the kiln cannot follow the required temperature increase programmed
in a controlled ramp up, the controller dwells at the temperature until the kiln
reaches the required setpoint temperature again (the LED above the “Start / Stop”
key flashes orange). As soon as the kiln has reached this temperature, the ramp
up continues. As this process may occur repeatedly, the ramp up can actually
take longer.