CIRCUIT BOARD FUNCTIONS
START-UP SEQUENCE OF EVENTS
Once the control panel is turned to one of the five heat settings, a timer begins that will start, stop and continue operation of the American Harvest as a preset temperature is achieved.
COMPONENT | OPERATION START | OPERATION END |
Exhaust Blower | Starts Immediately | Will continue until shutdown. Shutdown |
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| will occur when the operating tempera- |
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| ture is below 90 degrees. |
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Agitator | Three minutes after starting the agita- | Will continue intermittingly, has deter- |
| tor will begin to turn | mined by the “HEAT SETTING”, until |
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| shutdown |
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Auger | Three minutes after starting the auger | The auger will continue at the feed rate |
| will begin to turn | specified by the “HEAT SETTING”. |
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| NOTE: Safety switches, HI limit and |
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| vacuum sensor, must be activated to |
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| continue proper operation. |
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Room Fan | Begins when 110 degrees is reached. | Will continue to operate until the |
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| AMERICAN HARVEST cools down to |
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| below 90 degrees. This may take sev- |
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| eral minutes up to an hour. |
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Automatic Shutdown | If after 15 minutes, the American | Should the timer expire before the |
| Harvest has not reached the preset | preset operating temperature is |
| operating temperature, the unit will | achieved, resetting the time is possible |
| begin to automatically shut down. This | by switching the control knob to the |
| will be evident by the green light on | “OFF” position and back on to one of |
| the control board flashing. | the “HEAT SETTINGS”. |
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Normal Operation | If after 15 minutes the preset operat- | Operation will continue until either the |
| ing temperature of 110 degrees is | AMERICAN HARVEST control knob is |
| achieved, normal operation will con- | turned to the “OFF” position, or the |
| tinue. | operating temperature falls below 90 |
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| degrees. At such time the AMERICAN |
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| HARVEST will default to the “Auto- |
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| matic Shut Down”. |
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