Hvac Safety Switch Location. This is supposed to pop up when there is a clog in the line which then would turn off the hvac unit.” since, the safety switch didn’t shut off the condenser unit, it either malfunction or not wire correctly. Your contractor could put a device called a “tattle tale” on the switch.
Note that the color and exact location of the box may vary. Fan control limit switch the fan switch reads the temperature inside a furnace and once the temperature becomes warm enough turns the blower motor on sending warm air into a home. Ambient temperature must be below 160°f (71°c).
Then the control system draws a conclusion what action has to be taken (e.g.
Leave it in the off position for at least a few minutes. As a safety, the high limit switch turns the gas off when the temperature becomes too high. This safety switch will turn off the compressor, which, as you learned above, is in charge of the ac unit’s condensation process.by installing an ac wet switch/float switch, you’re avoiding what could be a disastrous event. What it does it gives your ac system the ability to detect if it has a clogged drain, and if the switch detects a clogged drain scenario, it immediately shuts the system off.