During the adjustment process of the pressure controller of the oil-gas boiler, the return difference must be adjusted first. The advantage of the oil-gas boiler is obvious, and then the range is adjusted. Generally, three pressure controllers are required. The operation method is as follows:
1. Firepower adjustment; for example, set 0.5MPa to low fire, 0.4MPa start furnace, adjustable pressure controller bolt difference (return difference) to 1, range (set value) to 5;
2, stop the furnace pressure, set diffe to be very small, and range to 6 (0.6MPa);
3. The over-voltage alarm is set at about 0.7Mpa.
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