1. There is a miniature numerical control display screen on the right side of the furnace body. During normal operation, press the on button at the lower right of the display screen, and the induced draft fan will be in high-speed operation.
2. When it is necessary to stop the furnace, press this switch again, and the induced draft fan will automatically adjust to the set low-speed operation state. The setting of low-speed operation is that the boiler does not smoke.
3. It is advisable to set the numerical control boiler at 45 to 55 degrees, with the maximum not exceeding 95 degrees.