Refrigeration controller

1. Main parameters of LA/LB series electronic centrifugal switch Product number voltage range Motor maximum peak current Recommended motor power range Applicable motor conditions Continuous switch test Switching interval time Intelligent general purpose Self-learning series YC-LA YC-LA050 185-240 lmax<10A 0-550W The interval between motor stop and start is 3 seconds open 200 ms off for 30 seconds YC-LA220 185-240 lmax<40A 0-2200W The interval between motor stop and start is 3 seconds open 200 ms Off for 31 seconds YC-LA300 185-240 lmax<60A 0-3000W The interval between motor stop and start is 3 seconds open 200 ms off 32 seconds YC-LA430 185-240 lmax<75A 0-4000W The interval between motor stop and start is 3 seconds open 200 ms Off for 33 seconds Intelligent general purpose Self-learning series YC-LB YC-LB050 95-140 lmax<20A 0-550W The interval between motor stop and start is 3 seconds open 200 ms off 90 seconds YC-LB220 95-140 lmax<75A 0-2200W The interval between motor stop and start is 3 seconds open 200 ms Off for 91 seconds YC-LB300 95-140 lmax<90A 0-3000W The interval between motor stop and start is 3 seconds open 200 ms off 92 seconds Second, the role of electronic centrifugal switch Electronic centrifugal switch is used on single-phase capacitor starting motor as a device switch for starting capacitor auxiliary starting. When the motor starts, the triac of the electronic centrifugal switch is turned on. When the motor speed reaches 60%-80% of the rated speed %, cut off the starting capacitor, the triac is turned off, when the motor speed is lower than 80%-60% of the rated speed, turn on the starting capacitor of the motor to achieve the role of auxiliary starting. 3. Instructions for use of LA/LB series electronic centrifugal switches Parameter learning of centrifugal switch 1. Please ensure that the circuit connection of the electronic centrifugal switch is correct and good before the first power-on. 2. For the wiring diagram, please refer to the corresponding electronic centrifugal switch wiring (Figure 1). 3. Please make sure that the motor is rated voltage and rated frequency. 4, and in line with the selected electronic centrifugal switch power range. 5. Please ensure that the load of the motor is no-load (note that you cannot use the variable frequency power supply to learn). 6. Turn on the power and let the motor run for 3 seconds to complete the setting (that is, the electronic centrifugal switch will automatically read the electrical parameters of the motor, set the disconnection speed point of the motor to 60%-80%, and save it permanently), learn It is normal for the motor to vibrate a lot during this time, please do not cut off the power. 7. After completing the above learning process, power off the motor, then the motor can be used normally and can be tested for performance. Centrifugal switch reset to factory settings (re-learning) If the learning fails during the learning process, such as a power failure in the middle, the learned switches should be used on other different types of motors. The motor parameters learned in batches are not the motor parameters you want. In the above cases, restore the factory settings. 1. Please ensure that the circuit connection of the electronic centrifugal switch is correct and good before powering on. For details, please refer to the corresponding electronic centrifugal switch wiring (Figure 2), and short the blue wire and the black wire. 2. Connect the AC rated voltage between the black wire and the white wire for more than 5 seconds (the voltage should be the voltage shown on the label of the electronic centrifugal switch) to complete the data clearing of the electronic centrifugal switch, and then disconnect the power supply. Repeat the "Numerical Learning Steps for Centrifugal Switch Parameters" to learn the parameters of the current switch.

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Refrigeration controller

The mechanical centrifugal switch has simple structure, convenient installation and high cost performance, and is widely used in various single-phase motors on the market. In order to meet the needs of higher-end motors, our company has developed a non-contact electronic centrifugal switch to help the motor from starting, running, and stable transition to rated speed. This product adopts a method of induction coil and induction rotor magnetic field. The signal is picked up by the induction coil and Hall, and the low-pass filter is limited to amplify, shape, and cooperate with the microchip single-chip microcomputer to model the motor, and extract the speed of the rotor. , When the microchip judges that the motor speed has risen to the set switching speed, after making a millisecond-level judgment, the non-contact SCR method is used to disconnect the starting capacitor to complete the motor start. Features 1. A microchip electronic centrifugal switch, which completely overcomes the defects of the current mechanical switch starting motor used in the market. 2. Speed judgment is fast, about 180M---300MS to complete speed detection. 3. The switching speed can be adjusted by software, which is convenient and efficient, while the adjustment of mechanical switches is not accurate and the range is narrow. 4. When the motor starts to run smoothly, the transition is smooth and there is no chattering phenomenon. During the running process, when the load suddenly increases, it can judge by itself whether to add the starting capacitor to avoid the hidden danger of the motor being burned out due to overload. . 5. Non-contact switching, no sparks will be generated during switching, sintered contacts and fires will occur in the presence of flammable gas. 6. Compared with the life of mechanical centrifugal switches, the life of electronic centrifugal switches is about 5 times that of mechanical switches and has advantages compared with electronic centrifugal switches in the same industry. 7. Effectively solve the problems of difficult adaptation of high-power electronic electronic centrifugal switches, disturbed startup, and high startup failure rate. 8. Effectively solve the defects of inaccurate opening time of the existing electronic centrifugal switch, insufficient opening torque when the motor is started too fast, or too slow opening, which causes the motor starting current to be too large. 9. Successfully solved the defect that the electronic centrifugal switch cannot be started frequently, and the forward and reverse directions are reversed. It has been widely used in motor and equipment industries such as: water treatment motors and equipment, food machinery, building materials machinery, vacuum pumps, explosion-proof motors, high-pressure cleaners, air compressors, woodworking machinery, oil pumps, water pumps, garbage disposals, medical equipment, Engineering mixers, high-pressure water pumps, and other industrial equipment. Specifications of YL type single-phase asynchronous motor electronic starter model YC-LIH-24A-01 YC-LIF-24A-02 IH-24A-01 IH-24A-02 YC-LIH-30A-01 YC-LIF-30A-02 IH-30A-01 IH-30A-02 YC-LIH-40A-01 YC-LIF 40A-02 IH-40A-01 IH-40A-02 YC-LIH-60A-01 YC-LIF-60A-02 IH-60A-01 1H-60A-02 Applicable power (KW) Below 0.75 0.75-1.5 1.5-2.2 2.5-5.0 Speed detection method LIH: Magnetic Field LIF: Frequency type IH: vector Power frequency: 50Hz/60Hz Speed range: 1300-3600r/m Installation Notes (1) Parameter configuration: According to the parameters of the motor, configure the parameters of this product by short-circuiting the pin header with the jumper cap. The pin position is shown in Figure 1, and the detailed settings are shown in the table below. Note: The jumper cap must be inserted into the bottom of the pin header and fixed with 704 silicone rubber after configuration. Motor configuration table Pole pair frequency 50Hz 60Hz Rated speed: P=1 2700-3600r/m 1, 2 open circuit 3, 4 open circuit 1, 2 open circuit 3.5 open circuit Rated speed: P=2 1300~1800r/m 1, 2 open circuit 3.5 open circuit 1, 2 open circuit 3, 6 open circuit (2) Remove the motor fan blade cover and fan blade, then install the control box, and tighten the screws (diameter 4mmx10mm). After installing the control box, insert the magnetic ring provided by the product according to the outer diameter of the motor shaft, and then tighten the screws, see Figure 2 NOTE: The control box ears must fit snugly against the outer wall of the motor. The magnetic ring must be directly under the control box, and the distance between the center of the lower arc of the control box and the outer diameter of the magnetic ring must be less than or equal to 15MM, and the magnetic ring must be kept 3~8MM away from the outer wall of the motor. See Figure 3 and Figure 4. (4) Wiring: see Figure 5 for the wiring diagram Description: The red wire/blue wire is connected to th

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