Rooftop Integrated Standby Refrigeration Unit Truck Freezer Unit,Standby Transport Refrigeration Unit,Standby Truck Refrigeration Unit,Integrated Standby Refrigeration Unit XINXIANG HUATAI REFRIGERATION CO., LTD , https://www.trustht.com
First, all kinds of electromagnetic valve Solenoid with electromagnetic pressure, electromagnetic air valve, stainless steel solenoid valve, respectively, two two, two three, two four-way valve, can be used to control oil, water, Tracheal Department of switching off. Such valves are used with auxiliary contacts can be automatically cut off the DC or AC solenoid to control the valve position, in addition to DKF-type stainless steel solenoid valve solenoid valve for a long time when the power supply, the rest are dual coil short-time power system. For long-time electromagnet coil energized by the two groups of coils, a group for the action, a group for the maintenance of use, so that without reducing suction conditions, can reduce the coil temperature rise, short-time power system of the coil, By long-time power system design, high safety, long life. When the solenoid valve is powered by DC power supply, it must press the "+" "one" pole according to the instruction in the figure. Otherwise, the magnetic field generated by the coil energized will interfere with the magnet of the operating contact and affect the correct operation of the contact. Second, the magnetic level gauge: magnetic level gauge by the level gauge and the magnetic memory switch for sending information composed of two parts, the level gauge in a magnetic float in the connecting pipe, the next float, the float within the magnet Just in correspondence with the liquid level, it is magnetically coupled with the magnetic beads in close contact with the communicating tube. The magnetic beads always follow the magnetic float. Therefore, the position of the magnetic beads also reflects the actual liquid level in the container. The magnetic memory switch is fixed on the pipe wall of the connecting pipe, the magnetic float rises to reach the setting position, the upper switch moves, even if the magnetic float continues to rise away from the switch, the switch is still in the memory state; when the magnetic float descends, As the lower limit of the set position, the next switch action, and make the next switch memory. Magnetic memory switch with memory function, the contacts of the transport and the broken state should be resolved before wiring, because in the transport process or other reasons, may agree with the magnetic memory switch contact disorder, to help in the wiring, the use of magnet in the connecting pipe Outside the upper and lower pick float, simulate the full range of action once, so that the status of magnetic memory switch contacts back to normal. And then wiring, put into normal use. Magnetic floater with equal pressure structure, so the bead level gauge can be used for high-pressure vessel level measurement and control. But in use should pay attention to: the use of snorkels in the ventilation tube should be up, can not collapse home use, or go to the pressure equalization performance. The level gauge (including the connecting tube and magnetic float) has been hydrostatically tested before leaving the factory. Therefore, do not repeat the hydrostatic test at the site to avoid damaging the magnetic float during rapid pressurization or drastic pressure drop. If the pressure gauge is connected with a stop valve, the pressure gauge shall open the stop valve in advance to prevent the pressure vessel from being pressurized and then suddenly open the valve, resulting in a sudden pressure rise in the connecting pipe which will damage the magnetic float. In the bead level gauge connected directly with the transmitter, can send a standard signal DC4 ~ 20mA, the resolution of 7mm, for the user computer system.