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          GARAGE DOOR OPENER BACK UP                                      POWER SUPPLY

 

Relay 1. Sends house back up AC power supply to trickle charger. Active only when AC power goes out.

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Relay 2. Sends AC power to trickle charger.

Active all the time except when power goes out.

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Relay 3. Turns on inverter.

Active only when AC power goes out.

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Relay 4. Safety relay. Allows house back up AC power to panel only when house power is lost. Allows house power back up AC power supply inverter to be tested without sending power to panel.

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Relay 5. Sends panel inverter power to outlet for garage door openers. Active only when AC power goes out.

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Relay 6. Sends house power to outlet for garage door openers. Active all the time except when power goes out.

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7. Transformer. 120vac to 12vdc. Sends 12vdc to timer 9 and 10.

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8. Transformer. 120vac to 12vdc. Sends 12vdc to timer 11.

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9. Timer. Set 20 sec. Sends 12vdc to relay 3 coil. Turns on inverter.

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10.Timer. Set 30 sec. Sends 12vdc to relay 5 coil. Turns on outlet. For inverter AC to outlet for garage door openers, and sends 12vdc to relay 1 coil for trickle charger.

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11. Timer. Set 20 sec. Sends 12vdc to relay 6 coil. Turns on outlet. Sends house power to garage doors.