The
KMC RCC-1010 is an adjustable ratio relay designed for sequencing pneumatic
control components in HVAC systems.
The RCC-1010 can reduce the rate at which a pneumatic device responds to a
control signal. This ratio may be adjusted on a percentage basis from zero to
100% (1 to 1). This feature reduces instability in a final control device by
effectively increasing the proportional band of the circuit.
Additionally, the device output can be biased in a positive direction to
increase the output of the relay. This allows the ratio operation to begin at a
specific pressure, such as the start point of a pneumatic actuator.