2-4.Working Principle - Haier HIC-763CF-S Service Manual

2-4.Working principle

The gas flows out of the valve nozzle at a certain flow rate under a certain pressure and enter the
burner. The gas sucks the primary air by its own energy. In the burner, the gas is mixed with the
primary air and then flows out through the fire cover hole.
Ignition needle discharge generates high-frequency pulse electric spark which ignites gas
mixture at the hole, so that it reacts with the surrounding secondary air to burn, forming a blue
flame;
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