Device employable in different circuit configurations using parallel wiring harnesses, a HVAC system employing the device and a method of manufacturing a HVAC unit
A HVAC unit manufacturing method and a HVAC system are disclosed herein. In one embodiment, the HVAC system includes: a controller having control board terminals, a parallel wiring harness having a first and a second connection header, the first connection header coupled to the control board terminals, and a switch having terminals. The terminals of the switch including: a pair of functional terminals configured to indicate a status of the switch and a pair of jumpered terminals independent of the pair of functional terminals and internally connected together within the switch, wherein designated combinations of the terminals indicate a circuit configuration for employing the switch in the HVAC system with each of the terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations, wherein a single one of the designated combinations of the terminals corresponds to the second connection header.
1. A method of manufacturing a Heating, Ventilating and Air Conditioning (HVAC) unit, the method comprising:
interoperably coupling, using a first parallel wiring harness, a controller to a first electrical device, wherein the first electrical device comprises a plurality of terminals;
interoperably coupling, using a second parallel wiring harness, the first electric device to a second electrical device;
wherein designated combinations of the plurality of terminals specify a circuit configuration for employing the first electrical device with each of the plurality of terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations; and
wherein the second electrical device is similar to the first electrical device, wherein the first parallel wiring harness comprises a first connection header configured to connect to one of the designated combinations to implement a particular circuit configuration.
2. The method of claim 1 , wherein each terminal of the plurality of terminals comprises:
a plurality of functional terminals; and
a plurality of jumpered terminals.
3. The method of claim 2 , wherein the plurality of jumpered terminals are independent of the plurality of functional terminals.
4. The method of claim 2 , wherein the plurality of jumpered terminals and the plurality of functional terminals are internally connected within the first electrical device.
5. The method of claim 2 , wherein at least one terminal of the plurality of terminals comprises a common terminal that is internally connected to at least one of the plurality of functional terminal.
6. The method of claim 1 , wherein the first electrical device and the second electric device comprise a limit switch.
7. The method of claim 1 , wherein the first electrical device and the second electric device comprise a pressure switch.
8. The method of claim 1 , wherein the circuit configuration indicates that the first electrical device is connected to the second electrical device in series.
9. The method of claim 1 , wherein the circuit configuration indicates that the first electrical device is connected to the second electrical device in parallel.
10. The method of claim 1 , wherein the first parallel wiring harness comprises three cables connecting the controller to the first electrical device.
11. An electrical device comprising:
a contact;
a plurality of terminals coupled to the contact; and
wherein designated combinations of the plurality of terminals specify a circuit configuration for the electrical device with each of the plurality of terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations.
12. The electrical device of claim 11 , wherein the contact is configured to indicate a status of the electrical device.
13. The electrical device of claim 11 , wherein the electrical device comprises at least one of a limit switch and a pressure switch.
14. The electrical device of claim 11 , wherein each terminal of the plurality of terminals comprises:
a plurality of functional terminals connected across the contact; and
a plurality of jumpered terminals.
15. The electrical device of claim 14 , wherein the plurality of jumpered terminals are independent of the plurality of functional terminals.
16. The electrical device of claim 14 , wherein the plurality of jumpered terminals and the plurality of functional terminals are internally connected within the electrical device.
17. The electrical device of claim 11 , wherein the circuit configuration indicates that the electrical device is connected to another electrical device in series.
18. The electrical device of claim 11 , wherein the circuit configuration indicates that the electrical device is connected to another electrical device in parallel.
19. The electrical device of claim 11 , wherein the electrical device is operable within a Heating, Ventilating and Air Conditioning (HVAC) system.
20. A system comprising:
a controller;
a parallel wiring harness comprising a first connection header and a second connection header, wherein the first connection header is interoperably coupled to the controller;
a first electrical device comprising a plurality of terminals; and
wherein designated combinations of the plurality of terminals specify a circuit configuration for employing the first electrical device in the system with each of the plurality of terminals having a particular design that dictates a specific corresponding connection header be used for each of the designated combinations.