SEQUENCE OF OPERATION
IMPINGER ADVANTAGE
SERIAL NUMBER N28654 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS)
MODEL 1454 | 220/380VAC | 50 HZ. | 3 PHASE |
MODEL 1455 | 240/415VAC | 50 HZ. | 3 PHASE |
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POWER SUPPLY | Electrical power is to be supplied to the oven by a five conductor | ||
| service. |
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| Brown conductor is hot. |
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| Black conductor is hot. |
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| Black conductor is hot. |
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| Blue conductor is neutral. |
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| Green conductor is ground. |
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CONTROL BOX AUTO | When the temperature in the control box reaches 120°F ± 3°F (48.9°C | ||
COOL DOWN | ± ° |
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| 1.7 C), the cooling fan thermostat will switch power to the control | ||
| box cooling fan. The thermostat will interrupt power to the cooling fan | ||
| when the control box temperature falls to 100°F ± 3°F (37°C ± 1.7°C). | ||
MAIN FAN CIRCUIT | Electrical power is permanently supplied through three 50 A fuses to | ||
| the normally open contacts of the heat relay. Power is also supplied, | ||
| through the 10 Amp motor and control fuse, through the normally | ||
| closed control box | ||
| switch. Power is also supplied to the control box cooling fan | ||
| thermostat. Closing the oven power switch supplies line voltage to the | ||
| main fan motor. Closing the oven power switch also supplies line | ||
| voltage to the heat circuit and to the primary of the oven control | ||
| transformer. |
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HEAT CIRCUIT | Closing the oven power switch supplies line voltage through the main | ||
| fan air pressure switch, through the normally closed oven cavity | ||
| thermostat, to the oven control |
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TEMPERATURE CONTROL | Closing the oven power switch supplies line voltage to the primary of | ||
| the control transformer and through the air pressure switch and oven | ||
| cavity | ||
| supplied to the oven control. The oven control is set to desired | ||
| temperature. The thermocouple will provide varying millivolts to the | ||
| oven control. The oven control supplies line voltage to the heat | ||
| contactor at intermittent intervals to maintain desired temperature. The | ||
| display on the oven control will indicate when the heat contactor is | ||
| energized. |
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| NOTE: The display also indicates oven temperature. | ||
CONVEYOR DRIVE | Closing the oven power switch supplies line voltage to the conveyor | ||
| motor and to the primary of the control transformer. Secondary | ||
| voltage, 24VAC, is supplied to the oven control. Setting the oven | ||
| control to the desired time outputs voltage, through a reversing switch, | ||
| to the conveyor motor. |
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| NOTE: The conveyor system uses a hall effect sensor and magnet to | ||
| prove operation of the conveyor motor. If the motor is not running, | ||
| “BELT JAM” is indicated on the display. |
SCHEMATIC DIAGRAM
Impinger I | 3 |