Precise positioning of the servomotors afforded by electronic cam control improves air fuel ratio control and reduces heat loss through the flue. Additionally, improved control of boiler temperature with integrated PID (Proportional Integral Derivative) reduces boiler stop/starts, saving energy from purge losses, and maximises the potential for improved burner turndown ratio. Thermal stresses on the boiler are minimised by safe start-up of the plant from cold.
A further advantage of electronic cam control is that it avoids the wear and tear that occurs with mechanical cams and linkages over time, thereby improving reliability and avoiding hysteresis.
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