Installation requirements for split air conditioners in clean room workshops? -common problem
Installation requirements for split air conditioners in clean room workshops?
When using the original piping of the unit, after opening the protective caps at both ends of the connecting pipe, it must be connected to the unit immediately, and should not be left on hold. The non-original piping should be made of pipes specially used for air-conditioning; the length of the refrigerant pipes connecting the indoor and outdoor units To be within the specified range, the length of the piping and the chamber...
Text label: Clean room plant installation, Split air conditioner installation
Installation requirements for split air conditioners in clean room workshops?
When using the original piping of the unit, after opening the protective caps at both ends of the connecting pipe, it must be connected to the unit immediately, and should not be left on hold. The non-original piping should be made of pipes specially used for air-conditioning; the length of the refrigerant pipes connecting the indoor and outdoor units To be within the specified range, the length of the piping is related to the installation height difference of the outdoor unit and the nominal cooling capacity of the unit. To extend the degree of extension, properly supplement the refrigerant; during installation, the drain pipe should be placed below the refrigerant pipe, the height of the drain pipe should be lower than the water outlet of the water receiving pan, and there should be a slope of not less than 1/100 along the direction of the water flow. The drainage elbow and short pipe at the lower end of the pan shall be made of steel pipes, and thermal insulation measures shall be taken.
When the outdoor unit is higher than the indoor unit, there should be an oil trap every 10m from the bottom to the top of the low pressure gas pipe to facilitate the oil return of the compressor, and the liquid pipe should be provided with a liquid cup at the upper part; when the connecting pipe passes through the wall A protective casing should be added, and the wall hole should be slightly inclined to the outdoors; do not crush the copper pipe during the processing of the pipeline, and the gas pipeline and the liquid pipeline should not be connected in reverse; the disposable joint has two joint bodies, the one installed on the indoor unit. A joint body is sealed with a hidden sheet; when the two bodies are joined, use two wrenches to tighten them, and screw them to a certain extent. The cutter cuts out a circular hole in the membrane sheet to form a flow channel for the refrigerant. Continue to tighten the joint nut until The sealing rings in the two bodies are tightly fitted, which can be sealed to prevent refrigerant leakage; the multiple joints are spring valve type. When the joint bodies are butted and the joint nut is tightened, the springs in the two bodies are compressed, and the fixed push rod in one body will push the movable bracket valve in the other body open, thereby forming a refrigerant flow channel; screw When connecting the nut, the action speed should be fast, and the thread should be tightened until the thread is tightened, and the metal sealing ring of the joint must be pressed tightly to prevent the leakage of refrigerant. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for dust-free workshops and dust-free workshops.
The original refrigerant pipes of the unit are usually insulated with thermal insulation sleeves. When making the thermal insulation layer, suitable thermal insulation sleeves should be used. , the joint part between the pipe and the compressor, the pipe and the pipe must be wrapped with a thick insulation pad, and then wrapped with tape; the rotary compressor of the room air conditioner cannot be reversed in power. There is a reverse phase protector, and the compressor will not start running. When it is found that the compressor cannot start running and it is caused by reverse phase, just switch the two wires on the power wiring board; Before adjusting the sequence, it is not allowed to start the compressor forcibly, and do not press the start relay button on the outdoor unit; Fault.
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