The program features include time schedules, set points, controllers, logic, timers, trend logs, and alarms.
Digital outputs are typically relay contacts used to start and stop equipment, and analog outputs are typically voltage or current signals to control the movement of the medium (air/water/steam) control devices such as valves, dampers, and motors.
In addition, such gateway solutions are capable of providing remote control operation of all HVAC indoor units over the internet incorporating a simple and friendly user interface.
[citation needed] On the yellow energy guide sticker on many of the newer systems, it displays the average cost to run that machine.
It is recommended that if an HVAC system is not being used each month, that it should be turned on and left running for ten to fifteen minutes.
[citation needed] On the other hand if the customer is somebody who runs their HVAC system frequently, it is really important to maintain it.
[citation needed] Doing these three steps are super essential and is the key to keeping an HVAC system running for a long time.
[citation needed] Some signs that could lead to a potential problem is if the HVAC system does not provide air cool enough.
Another sign that could mean that the HVAC system is not running perfectly fine is if there is a bad smell to the air that it is providing.
Today, some of these controllers can even be accessed by web browsers, which need no longer be in the same building as the HVAC equipment.