Agricultural Air Conditioning , Air Conditioning Parts and Supplies, Condensers, Evaporator, Radiator, Blower, Switches. This auto air conditioner pressure switch protects the system from excessive high or low system pressures. They are both, electrical switches and pressure transducers.
Their purpose as electrical switches are to interrupt the circuit.
There are many, many different arrangements that these switches can be configured in an electrical system.
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A trinary switch is in effect a “ binary ” switch with an additional fan engagement signal.
A binary switch protects the AC ( Air Condition ) when there is too much pressure or too low pressure. Functions of the AC System Components. The Binary switch disengages the compressor clutch in response to excessive refrigerant pressure or low threshold pressure (loss of refrigerant).
Low Cost, Low Weight, Industry Proven. Designed for underhood environment.
Custom packaging for specific application needs. Automotive temperature range of -30°C to 125°C. Normally open and normally closed.
Also, a binary switch will not allow the compressor to engage if the high side system pressure is below psi, which indicates refrigerant loss.
The trinary switch is used anytime there is an electric fan installed. When pressures start to rise, the trinary switch will engage the fan to bring additional air across the condenser to . High opens at approx 3PSIG closes at approx 2PSIG. We carry all the binary and trinary (safety) switches for the aftermarket kits.
As well as the oil to fill all compressors.
We do not recommend dye oil, so we do not sell it. This switch isdesigned to be compatible with R-and R134a refrigerants. This can happen If the system malfunctions.
It monitors the pressure of the refrigerant on its respective side of the system.
Air conditioning system overview from Vintage Air.
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