WIRING DIAGRAMS
Interior-Mounted Blower Motor
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| Y | 7 |
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| Motor Specifications | |
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| BR |
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| Y/G |
| Power supply | 120 VAC | |
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| Frequency | 60 Hz | ||
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| S50 |
| Wattage rating | 420 W | |||
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| Amperage | 3.7 A |
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| 9 |
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| Neutral | Speed4˚ | Speed3˚ | Speed2˚ | Speed1˚ |
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| BU/W |
| 21.6 Ohms |
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| BU/R |
| 18 Ohms |
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| BU/GY | 14.3 Ohms |
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| BU/BK |
| 9.8 Ohms |
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| BU | BK | GY | R | W |
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| 8 |
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| GY | 1 |
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| 11 |
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R | R |
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| R |
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| 12 |
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Com |
| BU | BK | GY | R | W |
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| N.O. | N.C. |
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| 10 | 9 |
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| BK | 8 | 7 |
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| 6 | 5 |
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| BU |
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| 4 | 3 |
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| 1 |
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| BK | BK |
| 2 | 1 |
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| BR | |||||
BR | Com |
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| W R | ||||
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| GY | GY |
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| N.O. | N.C. |
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| R | R |
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| W | W |
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| GY | R |
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| BR | BR |
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| BR |
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| 1 |
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| 1 |
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| BR | GY | R |
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| Blower Switch Operation |
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| Contact |
| Function |
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| 1 - 3 |
| OFF |
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| BR |
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| N.O. Com | 5 |
| 3 - 5 | 1st Speed |
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| N.C. |
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| 5 - 7 |
| 2nd Speed |
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| GY |
| GY |
| 8 - 10 |
| 3rd Speed |
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| 10 - 12 |
| 4th Speed |
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| BR | BR | BU |
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| R |
| N.O. Com | 3 | N.O. Com | 4 | Component Layout |
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| GY |
| N.C. | N.C. |
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| Num. | Description |
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| GY |
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| 1 | Filter microswitch |
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| 2 | Filter microswitch |
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| 1 | 2 | 3 |
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| 3 Plenum down limit switch | ||||
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| 6 |
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| SEL0015061 | 4 Plenum up limit switch |
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| Y/G |
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| GY |
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| 5 | Motor microswitch |
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| BK | W |
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| 6 | Plenum drive motor |
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| BU |
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| 7 | Blower motor |
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| 8 | Blower speed switches |
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| 9 Start sw. - plenum up/down | ||||
G L N | NOTE: Wiring diagram is drawn | |
with plenum in down position. | ||
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