Owner`s manual

Page 24 of 40
Drawing : - TPC229
Issue : - 2
Date : - 10/12/13
KILN OPERATING INSTRUCTIONS
1. Connect the main power cable to a suitable power supply.
2. Select the appropriate setting from the relevant drying control schedule
as shown in table 5. Settings are based on the amount and type of
lumber to be dried.
3. Set the temperature control knob on the STC1 Controller at the lower
of the following:
A. 5ºC higher than the kiln temperature (shown on the digital
display on the controller); or
B. The maximum chamber temperature from the graph below.
The temperature should be increased by 5ºC (9ºF) every 24 hours, but must
NEVER exceed the temperatures shown on graph below. If the temperature
does not increase in accordance with the temperature control knob
adjustments. (i.e., 24 hours after an increase of 5ºC the temperature has risen
by a lower amount, e.g. 3ºC), this indicates that the heater is operating
continuously but the temperature rise has not been achieved. This can be
caused by the volume of wood being heated, cold weather conditions, or
inadequate insulation. The next temperature setting should be 5ºC above the
kiln temperature as displayed on the temperature meter.
50
45
40
Temperature
ºC 35
30
40% 30% 20% 10%
Moisture Content of Wood
Warning
:
If the Table calls for a setting of “C” (Continuous), set the
drying control at 90% at first, until the temperature reaches
38ºC (100ºF). Position “C” can them be selected.
Below 38ºC the dehumidifier requires the 10% off-time to
defrost the ice formed on the heat exchanger (cold coil).
Above 38ºC (100ºF), the condensation does not freeze, but
drips continuously into the drain tray and out through the
drainage hose.