How do you know if a step-in high-low temperature alternating heat and humidity test chamber is solved?
Have you ever encountered this kind of situation, and when using a large-scale constant temperature and humidity test room due to an irregular method, there will be various failure problems in the equipment; when you encounter this situation, you know how to do it. Solve it? Next, I will give you an example of the common faults and solutions for step-by-step high and low temperature alternating heat and humidity test chambers:
1. When the step-in high-low temperature alternating heat and humidity test chamber temperature and humidity controller shows the abnormal temperature
Checking steps:
1. Please check if the over-temperature protector of the control panel is set at 150 °C;
2. Please check if the circulating motor of the equipment room is damaged or not.
3. Please check if the solid state relay in the temperature part is burnt out. If the heater is not burnt, please use the three-meter electric meter AC voltage file, the voltage gear position is opened to 600 volts, and the red and black rods are respectively marked on the line number. The solid state relay of T is on both sides of the AC, and the temperature setting value of the temperature part is set to 0 °C. At this time, the indicator of the solid state relay of the temperature part will not light up, if the measured voltage value does not change, maintain Below 10V, the solid state relay burns out and presents a short circuit condition.
Haotian equipment 72 cubic high and low temperature alternating damp heat test chamber: 
Solution:
1. If not, please turn the panel over-temperature protector to the position of 150 °C, or use the temperature plus 30 °C position; 2. Please inform the factory maintenance department to replace the circulating motor;
3. Please replace the solid state relay of the temperature part (the solid state relay marked with T as the line number), or notify the factory maintenance department to go to the door for maintenance.
2. When the step-in constant temperature and humidity test room temperature and humidity controller shows the abnormal humidity
Checking steps:
1. Please check the under-water over-temperature protector of the control room, whether it is set at 150 °C;
2, please check the machine room, whether the pipeline is too dirty, causing the water flow is not smooth;
3. Please check if there is water in the water tank. If it is not water, check whether there is water in the tank.
4. Please check if the solid state relay in the humidity part is burnt out. If the heater is not burnt, please use the three-meter electric meter AC voltage file, the voltage gear position is opened to 600 volts, and the red and black rods are respectively marked with the line number. The solid state relay of H is on both sides of the AC, and the humidity setting value of the humidity part is set to 0%. At this time, the indicator of the solid state relay of the humidity part will not light up, if the measured voltage value does not change, maintain Below 10V, the solid state relay burns out and presents a short circuit condition. Or set the humidity part setting to 0% first, and then see if the water in the humidification tank in the machine room is boiling.
72 cubic step-in high and low temperature alternating damp heat test chamber: 
Solution:
1. If not, please turn the water over temperature protector to the position of 150 °C;
2. Please turn off the main power supply at the rear of the machine, then open the drain valve under the humidifying bucket to the position parallel to the pipeline. When the water in the water tank is drained, use the wrench to open the humidifying bucket. Internally, the scale is removed due to long-term humidity. Then remove the silicone tube and wash it in the water. After maintenance, follow the removal method and put it back in the opposite direction. After the device is finished, close the drain valve under the humidification tank to the tube. The vertical position of the road, and then turn on the main power supply behind the machine;
3, the upper and lower water tanks are all water, please add water to the water tank, you can solve. If there is no water in the water tank and there is water in the water tank, the water pump in the water tank will be broken. Please inform the factory maintenance department to go to the door for maintenance;
4. Please replace the solid state relay of the humidity part (the solid state relay marked with H as the line number), or notify the factory maintenance department to go to the door for maintenance.
Third, when the step-in constant temperature and humidity test room temperature and humidity controller shows the abnormal pressure
Checking steps:
1. Please check the position of the equipment, whether there is a position of more than 30 cm from the wall;
2. Whether the surrounding area is a confined space.
Solution:
1. If not, please keep the position of the machine above 30 cm, because the heat dissipation will cause the pressure on the high pressure side of the compressor to be too high;
2. If the surrounding area is a confined space, it will cause a temperature rise in the environment, and the pressure on the high pressure side of the compressor will be too high, so please keep it ventilated.
4. When the step-in constant temperature and humidity test room temperature and humidity controller shows the abnormal condition of the compressor
Checking steps:
1. Please check the position of the equipment, whether there is a position of more than 30 cm from the wall;
2. Whether the surrounding area is a confined space.
Solution:
1. If not, please keep the position of the machine above 30 cm, because the poor heat dissipation will cause the compressor running current to rise, causing the overcurrent protector to operate;
2. If the surrounding area is a confined space, it will cause a temperature rise in the environment, which will also cause the compressor running current to rise, causing the overcurrent protector (heat accumulator) to operate. So please keep it ventilated;
3. After the above questions are resolved, please use the overcurrent protector (heating capacitor) under the three electromagnetic switches in the equipment room. The reset button goes to the next pressure, and there is a click, which represents the overload of the compressor that is controlled, but it is also reset at this time. At this time, please set the current set value to 1.25 times the rated current of the compressor.
5. When the step-in high-low temperature alternating heat and humidity test chamber is operated by the temperature and humidity controller, the actual humidity value is always displayed at 100%.
Checking steps:
1. The air in the walk-in constant temperature and humidity test room is very dry: 1). Check the water part of the wet and dry ball fixed seat first, whether there is water; 2). Please check the dry and wet ball holder inside the test box. Wet ball gauze hanging on the wet bulb sensor part, whether it is wet in the sensor part;
2, the air inside the box is very humid (humidity may not reach 100%, but has been high): first set the humidity part set value to 0%, then look at the humidification barrel in the machine room whether the water is boiling.
Solution:
1. The air inside the box is very dry: 1). If it is not water, please adjust the water level cup in the machine room, which is located on the top, or check whether the pipeline between the water level cup and the wet and dry ball holder is blocked. After adjustment, please Use a cloth to drain the water and make sure the water goes in all the way. 2). If there is no wetness, please change the gauze. (It is recommended to replace the gauze once every month.) If the temperature is high and high humidity, the number of replacements needs to be more. If only the temperature conditions are used, the gauze can be taken out and the life is extended. After being taken out, it can be soaked in alcohol and has prolonged its life;
2. The air in the box is very humid (the humidity may not reach 100%, but it is always high): If there is boiling, please replace the solid state relay of the humidity part (the solid state relay marked with H), or Inform the factory maintenance department to come to the door for maintenance.
All of the above are the contents of the common problems and solutions common to the walk-in high and low temperature alternating test chambers.
A lot of Calstar® recycling machine auxiliary equipment, including thermal oil, condensing device, vacuum device, Automatic Feeding Device, solvent residue bag, the use of auxiliary equipment can greatly accelerate the recovery rate, reduce the amount of labor. Vacuum pressure reduction device recovery rate of 15%, to achieve recovery of tasteless, the use of more secure.auxiliary equipment,Auxiliary equipment for Solvent Recovery Machine,Solvent recovery auxiliary device
Auxiliary equipment of Calstar® recycling machine
Heat Transfer Oil,Solvent Reusing Equipment Heat-Transfer Oil,Heat Transfer Fluid Oil
SHENZHEN KUANBAO ENVIRONMENTAL EQUIPMENT CO., LTD , https://www.calstarkb.com