Despatch LEB Series - Manual (Page 22)

14
Startup
For fastest oven heat-up time, close the exhaust
vent. After the desired temperature is reached,
the vent may be adjusted as needed.
1. Start oven.
a. Turn POWER switch to on. The circulating fan will start.
b. Set exhaust vent to desired opening. The vent may have to be adjusted
to achieve maximum performance at various operating temperatures.
LBB Control Panel
2. Enter setpoint on the HI-LIMIT instrument.
Set HI-LIMIT instrument to a temperature
10°C to 14°C higher than the setpoint or to a
temperature that should not be exceeded in
the process.
a. If the on the HI-LIMIT is lit, press
and hold the
for four (4)
seconds to enable the and keys
b. Press
key, HSP1 will be lit.
c. Use key and key to set hi limit temperature.
d. Press or
once to return (also enters the value) to the
process variable PV mode.
3. Enter setpoint on the CONTROL instrument.
a. Press key until the SP LED is lit.
b. Use key and key to set operating temperature.
WARNING: Do not use
flammable solvent or flammable
material in this oven. Do not
process closed containers of any
substance or liquid in this oven
because they may explode under
heat.
NOTE:
If the HI-LIMIT instrument is
exceeded the heater will shut
down. Reset the HI-LIMIT by
pushing
on the HI-LIMIT
instrument.