KILNS & FURNACES
Electric in air to 1800°C • Research • Heat treatment
Controlled atmosphere • Melting • Gas, Natural/LPG to 2300°C
Tetlow Kiln Pty. Ltd. ABN: 26 166 832 300 54 Howleys Road, Notting Hill, 3168 Victoria Australia
T: +61 3 8545 8296 F: +61 3 9544 2723 E: info@tetlow.com.au www.tetlow.com.au
Setting the regulator to a low number will limit the effective power output of the elements,
and this will alter the length of time it takes the kiln to heat to temperature required. At
100%, the elements will be powered all of the time and the kiln will heat at its maximum rate.
A small red indicator light is incorporated in the regulator which illuminates when power is
going to the elements.
An energy regulator is a very useful piece of equipment to easily control the rate of
temperature rise. For example, if thick-walled pots are being fired, the rate of temperature
increase can very easily be reduced. If a digital temperature controller is fitted to the kiln
and there is a need to maintain the kiln at a certain temperature, the energy regulator
setting can be adjusted until a position is found where the elements would be powered
slowly enough to prevent further temperature rise, but fast enough to prevent the
temperature dropping. This procedure should only be done for short periods of time to
ensure minimal temperature drifts.
12.2 DOOR SAFETY SWITCH
This device is designed to isolate the electrical supply to the kiln elements when the kiln
door is open. The usual door safety switch consists of a metal bracket that is fixed to the
lower edge of the kiln door and depresses a plunger fitted to the front or underside of the
kiln. This in turn operates the contactor relay. When the kiln door is shut, the safety
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