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    Pressure Switches

    Crucial pressure monitoring for the air conditioning aftermarket from Valeo, air conditioning specialist. Trust Valeo pressure switches.

    The pressure switch monitors the A/C loop’s high pressure level, it enables or disables the compressor according to two pressure thresholds. One additional circuit controls the cooling fan, it secures the condensation process by forcing the air flow through the condenser. The pressure switch is a safety device for the A/C loop. The pressure switch is located on the high pressure side of the loop. It has different roles:

    • It monitors the loop’s high pressure
    • It detects a too low pressure P1 2 bars - It detects a too high pressure P2 > 27 to 32 bars
    • It includes one additional threshold to activate the maximum speed of the cooling fan P3 > 16 bars.

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