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Diesel pump trailer automatic protection function
2019-01-30
 Diesel pump trailer have automatic protection:

(1) Start protection: If the diesel engine pump unit fails to start three times, the start failure signal is output and the automatic working system is blocked. The buzzer sounds, flashes, press the mute button to silence, the sound alarm disappears, and the alarm indicator turns to a flat light indication.
(2) High water temperature protection: When the unit is in operation, if there is a water temperature ≥95°C fault, the buzzer will immediately alarm, press the silence button to silence, the sound alarm disappears, and the alarm indicator turns to flat light. At the same time, the diesel pump trailer slows down and stops after 3 minutes delay.
(3) Low oil pressure protection: When the unit is in operation, if there is oil pressure ≤0.2Mpa failure, it will immediately sound and light alarm, buzzer alarm, flashing, press silence button to silence, sound alarm disappears, alarm indicator turns for the flat light indication. At the same time, the diesel pump truck slowed down and immediately stopped.
(4) Overspeed protection: When the unit is running, if there is a fault of ≥1750rpm (10% rated speed), it will immediately sound and light alarm, buzzer alarm, flashing, press the silence button to silence, the sound alarm disappears, alarm indication The light turns to a flat light indication. At the same time, the diesel pump truck slowed down and immediately stopped.


(5) Low fuel oil level protection: When the fuel oil level is lower than the specified height during the operation of the unit, the buzzer will immediately alarm and flash. Press the mute button to silence, the sound alarm disappears, and the alarm indicator turns to flat light until the oil level returns to normal. After 10 minutes, if the oil level is not restored, the buzzer will immediately alarm and flash. At the same time, the diesel pump truck slows down and stops after 3 minutes delay.
(6) Low battery voltage protection: When the diesel pump unit is in the centralized control state, when the battery voltage is lower than 22V (or 10V), the buzzer will immediately alarm, flash, press the mute button to silence, the sound alarm disappears, and the alarm indication The light turns to a flat light indication and remains until the voltage returns to normal.
(7) Low water level protection (optional): When the diesel pump unit is in the centralized control state for standby or operation, when the water level of the fire pool is lower than the specified height, the buzzer will immediately alarm, flash, press the silence button to silence, and the sound alarm Disappeared, the alarm indicator turned to a flat light indication, while the diesel engine of the diesel engine trailer mounted pump speeded down, and stopped after a delay of 3 minutes.