鸭脖娱乐

? Set as home page | Add to collection | contact us
?
Technical knowledge
·Current location: Home page ?>> Technical knowledge
Recovery of refrigerant in cold and hot shock test machine cooling system
Related introduction

Cold and hot shock test machine cooling system Recovery of refrigerant

? Cold and hot shock test machine cooling system The operation method of refrigerant recovery is to turn the hexagonal plate clockwise, close the liquid pipe two-way valve of outdoor unit, and then start Cold and hot shock test machine cooling system At this time, the refrigerant in the system will pass through the liquid pipe, through the indoor evaporator, and then through the gas pipe from the three-way valve to the outdoor unit, Cold and hot shock test machine cooling system After running for a few minutes, if the repair valve is connected to the bypass hole of the three-way valve, the pressure reading on the barometer is close 0mPa The three energy valve can be shut down in time.

Cold and hot shock test machine cooling system Evacuation and evacuation

one Vacuum pump

one )Connect the repair valve and connect it to the suction end of the vacuum pump with a soft pen

two )Start the vacuum pump for evacuation

three )What is the negative pressure value of pressure gauge pointer -0.095mpa If it is below and stable, the evacuation is qualified.

two Drain with self compressor

one )Monitoring the working current of compressor with compressor

two )Pay attention to the power on time is not too long

three )It can not be cleaned at one time and can be operated for many times for a short time

three Evacuation of window machine

The structure of the window machine is simple, and there is no need to use a vacuum pump when pumping

one )Connect a repair valve to the high pressure side system, connect a hose to the outer port of the repair valve, and immerse the open end of the hose in a cup of oil.

two )Open the repair valve and start the compressor. The gas in the system is discharged from the valve hole and escaped from the oil cup through the hose.

three )There is no air bubble in the clean air system.