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Monitor

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AK04 Monitor

Describe
Monitor is the control center of the lubrication system, using for dynamically monitoring and displaying the real-time data of the system, such as the grease pressure, countdown of the pause interval, accumulative running cycles and fault code. Monitor has the functions of low temperature protection and fault alarm. It is installed on the equipment where it is convenient for the operator to control. Moreover, it is equipped with a remote control to facilitate the system maintenance and adjust the pause period of the system according to the running condition of the equipment (the pause time can be adjusted from 0 to 20 hours).

Feature
1.The pause time can be adjusted from 0 to 20 hours, 12 hours in general
2.Display the date of hydraulic and other running parameters.
3.Fault display: The pump stop working after 120 seconds, once monitor fail to receive the hydraulic pressure signal. And monitor continues to display ‘OFF’ hydraulic signal and fault code “EE-1” and give alarm signal at the same time.
4.If year minimum temperature below -15°C, lubrication system could equip with temperature sensor, which monitors the ambient temperature in real time. If the temperature is higher than the set value, lubrication system runs automatically. If lower, the system standby and show the real time temperature.

Working Principle
Take pause interval set at 12 hours for example, after ignition being turned on, the LCD screen counts down remaining time in the pause interval if the time reaches 00:00, the monitor initiates the pump to pressurize the mainline, the screen starts to count the lube time. When the pressure at the end of the mainline in up to 2.6MPa, the pressure sensor transmits the signal to the monitor immediately, the ON pressure reverts to the OFF one, and the pump operates 40 seconds (AK02) or 60 seconds (AK04) until de-energized. Then the monitor counts down to the next lube cycle, and 1 is added to the cycle count.

Parameter

Model Control by Control type Voltage
AK09 ECU microcomputer Internal monitor DC12V~DC36V
AK06 ECU microcomputer Internal monitor

 

AK04 ECU microcomputer External monitor DC12V~DC36V
AK07 ECU microcomputer External monitor DC9V~DC36V
AK08 ECU microcomputer External monitor DC12V&DC24V