Control system for multiple compressors

1. A control system comprising:

a controller configured to receive a first value from a first sensor and configured to generate a first output based on the first value, the controller being configured to receive a second value from a second sensor and being configured to generate a final output from the first output and the second value,

a plurality of compressors is configured to receive control commands from the controller based on one of the first output and the final output,

wherein the controller is configured to stage the plurality of compressors based on the one of the first output and the final output,

the controller is configured to control the plurality of compressors to a first capacity based on the first output for a first predetermined time, and

the controller is configured to control the plurality of compressors to a second capacity based on the final output for a second predetermined time, the second capacity being greater than the first capacity.

2. The control system of claim 1 , wherein the first value is a temperature received from a temperature sensor, the first output is a sensible load request generated by the controller, and the second value is a relative humidity received from a humidity sensor.

3. The control system of claim 2 , wherein the final output is a latent load request, the controller being configured to modify the sensible load request based on the relative humidity to derive the latent load request.

4. The control system of claim 3 , wherein a configuration of the plurality of compressors has a uniform distribution of stages.

5. The control system of claim 3 , wherein a configuration of the plurality of compressors has a non-uniform distribution of stages.

6. The control system of claim 3 , wherein the controller is configured to stage the compressors by operating the compressors at predetermined capacity levels corresponding to a sensible stage or one of a plurality of increased stages based on the sensible load request or the latent load request.

7. The control system of claim 6 , wherein the controller is configured to command the plurality of compressors to provide a capacity to meet an increased load request corresponding to an increased stage from the sensible stage to overcool an environment and reduce relative humidity.

8. A control system for controlling a plurality of compressors, said control system comprising:

a controller configured to generate a sensible load request and a latent load request; and

a plurality of compressors receiving control commands from the controller,

wherein the controller is configured to command the plurality of compressors to a first capacity based on the latent load request for a first predetermined time and the controller is configured to command the plurality of compressors to a second capacity based on the sensible load request for a second predetermined time.

9. The control system of claim 8 , wherein the first predetermined time is 3 minutes and the second predetermined time is 3 minutes.

10. The control system of claim 8 , wherein the controller is configured to generate the sensible load request based on a temperature received from a temperature sensor.

11. The control system of claim 8 , wherein the controller is configured to modify the sensible load request based on a relative humidity received from a humidity sensor to generate the latent load request.

12. The control system of claim 8 , wherein the first capacity is greater than the second capacity.

13. The control system of claim 8 , wherein the controller is configured to alternate between commanding the plurality of compressors to the first capacity based on the latent load request for the first predetermined time and commanding the plurality of compressors to the second capacity based on the sensible load request for the second predetermined time.

14. A method for controlling an output for a plurality of compressors comprising:

receiving, by a controller, a first value from a first sensor;

generating, by the controller, a first output from the first value;

receiving, by the controller, a second value from a second sensor;

generating, by the controller, a final output from the first output and the second value;

staging the plurality of compressors based on one of the first output and the final output;

controlling, by the controller, the plurality of compressors to a first capacity based on the first output for a first predetermined time; and

controlling, by the controller, the plurality of compressors to a second capacity based on the final output for a second predetermined time, wherein the second capacity is greater than the first capacity.

15. The method of claim 14 , further comprising receiving, by the controller, a temperature from a temperature sensor as the first value, a sensible load request from a sensible load algorithm as the first output and a relative humidity from a humidity sensor as the second value.

16. The method of claim 15 , further comprising determining, by the controller, a latent load request as the final output and modifying, by the controller, the sensible load request based on the relative humidity to derive the latent load request.

17. The method of claim 16 , further comprising commanding the plurality of compressors to provide a capacity to meet an increased load corresponding to an increased stage from the sensible stage to overcool an environment and reduce relative humidity.

18. The method of claim 14 , wherein a configuration of the plurality of compressors has a uniform distribution of stages.

19. The method of claim 14 , wherein a configuration of the plurality of compressors has a non-uniform distribution of stages.

20. The control system of claim 8 , wherein the controller is configured to generate the sensible load request based on a first value from a first sensor, and the controller is configured to generate the latent load request based on the sensible load request and a second value from a second sensor.

21. The control system of claim 20 , wherein a temperature from a temperature sensor is the first value, and a relative humidity from a humidity sensor is the second value.

22. The control system of claim 20 , wherein the controller is configured to stage the plurality of compressors based on one of the sensible load request and the latent load request.

23. The control system of claim 22 , wherein a configuration of the plurality of compressors has a uniform distribution of stages.

24. The control system of claim 22 , wherein a configuration of the plurality of compressors has a non-uniform distribution of stages.

25. The control system of claim 20 , wherein the controller is configured to command the plurality of compressors to a sensible stage based on the sensible load request.

26. The control system of claim 25 , wherein the controller is configured to command the plurality of compressors to provide a capacity to meet an increased load corresponding to an increased stage from the sensible stage to overcool an environment and reduce relative humidity.