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QUICK START UP PROCEDURE
STARTING THE DRYER
This start up procedure is for a cold start on wet grain for continuous flow
operation.
1. Set the MAXON or FAST ACTION HAND VALVE on the incoming fuel
line to the ON position.
2. Make sure the MOISTURE CONTROL switch is in the OFF position.
3. Turn the FAN switch (or switches if a multi-fan dryer) to the ON posi-
tion. The light in the switch should light when the fan comes up to
about half speed.
4. Adjust the PLENUM AIR PRESSURE switch if necessary. Use a flat
blade screwdriver counterclockwise to make it more sensitive (taking
less pressure to activate it), or clockwise for the opposite effect.
5. Turn the HEATER switch (or switches if a multi-fan dryer) to the ON
position. The heater will purge for about 10 seconds then ignite. The
light in the heater switch will come on during ignition and will stay on if
the heater ignites. If the heater does not ignite, the light will go out after
trial for ignition and the dryer will shut down, indicating that it did not
light. If this happens check gas supply, and all valves in the fuel line to
make sure they are on.
How often should my burner
cycle? See step number three
in the Adjusting The Temperature
section.
1. Set the HIGH-LOW FIRE PLENUM THERMOSTAT on the left side of
the dryer to the drying temperature that you want to run (180° to 200°).
On multiple module dryers set the plenum chambers 30° to 60° apart.
Hottest at the top, most cool at the bottom.
2. On LP gas models adjust the PRESSURE REGULATOR (high fire) on
the burner fuel line, so that burner will reach the thermostat setting
andswitch to (low fire) (pressures may be required up to 25 lbs.). Natu-
ral gas does not have a regulator, but uses a LARGE BALL VALVE
close to the vertical supply line for adjustment (pressures may be re-
quired up to 18 lbs.).
On LP gas models adjust the small RED HANDLED BALL VALVE
(low fire) so that the burner maintains flame then switches back to (high
fire). Natural gas has a BALL VALVE close to the burner control box,
for low fire adjustment.
3. Adjust the burner pressure so that the burners cycles 4 times per
minute (approx. 10 sec. on high--approx. 5 sec. on low). When on
high fire increasing the pressure with the PRESSURE REGULATOR
DECREASES the time spent on high fire. When on low fire increasing
the low fire pressure with the RED BALL VALVE INCREASES the time
spent on low fire.
4. On LP gas models adjust the VAPORIZER so the fuel pipes going to
How much gas pressure do I
use? See step number two in
the Adjusting The Temperature
section.
ADJUSTING THE TEMPERATURE