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HVAC Wiring

Understanding Wiring. HVAC Wiring. Wiring diagrams are road maps for electron flow. HVAC Wiring. HVAC Technicians must know: How to draw them How to read them. HVAC Wiring. Drawing diagrams Begin with a description of how the circuit is too work . HVAC Wiring.

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HVAC Wiring

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  1. Understanding Wiring HVACWiring

  2. Wiring diagrams are road maps for electron flow HVACWiring

  3. HVAC Technicians must know: How to draw them How to read them HVACWiring

  4. Drawing diagrams Begin with a description of how the circuit is too work HVACWiring Draw a diagram a main single pole/single throw switch that controls all loads. A single pole/single throw switch controlling a 60w bulb. A single pole/single throw switch controlling two 40w bulbs connected in parallel. A single pole/double throw switch controlling a 40w bulb in one position and two 60w bulbs wired in series controlled when the single pole/double throw switch is in the other position.

  5. Drawing diagrams Next Create a Written flow chart HVACWiring

  6. Drawing diagrams Use the flow chart to complete a Ladder Diagram Place the switch that controls everything of L1 HVACWiring

  7. Drawing diagrams Using the flow chart add a circuit that add a branch circuit Place a spst switch in series with a 60w bulb HVACWiring

  8. Drawing diagrams Use the flow chart to complete a Ladder Diagram Now place the next switch in the circuit HVACWiring

  9. Drawing diagrams Use the flow chart to complete a Ladder Diagram Place the bulbs controlled by the switch in the circuit HVACWiring

  10. Drawing diagrams Use the flow chart to complete a Ladder Diagram Complete the ladder with the last circuit HVACWiring

  11. Drawing diagrams Use the Ladder Diagram to wire the project board Wire one branch at a time HVACWiring

  12. Drawing diagrams Note how since L1 power has been brought to SW1 that is where we can pick up power for the next switch HVACWiring

  13. Drawing diagrams Note how since N or L2 has been brought to Bulb 1 we use any terminal that has a direct line back to N/L2 as a connection to N/L2 HVACWiring

  14. Drawing diagrams Complete project HVACWiring

  15. Drawing diagrams Note alternate L1 connections HVACWiring

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