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R600a fluorine-free commercial refrigeration repair fault diagnosis and troubleshooting
R600a fluorine-free commercial refrigeration repair fault diagnosis and troubleshooting
R600a fluorine-free commercial refrigeration repair fault diagnosis and troubleshooting are the same as fluorine-free commercial refrigeration, but the refrigerant is flammable and flammable. It is heavier than air and completely soluble in mineral oil. The commercial refrigeration refrigerant charge is small (only 30%~40% of R12). The following points should be paid attention to during maintenance.
(1) It is strictly forbidden to repair the refrigeration system in the user's home.
(2) Pay attention to the storage and use of fire-proof and explosion-proof R600a refrigerant, and comply with the operating procedures for flammable and explosive hazardous materials. During operation, avoid sparks caused by static electricity. All equipment should be explosion-proof and grounded firmly.
(3) The maintenance tools in contact with refrigerant should be dedicated to refrigerant bottles, filling pipes, pressure gauges and other tools in contact with refrigerant.
(4) Devices should be dedicated replacement devices should be R600a dedicated devices, that is, with explosion-proof function, the general device nameplate is marked with a yellow flame symbol.
(5) The maintenance site must be well ventilated, and the ground must be well ventilated. The ground must be well ventilated, and the ground must be equipped with an exhaust system.
(6) Refrigerant discharge commercial refrigeration Only after the refrigerant in the refrigeration system is drained, can welding, welding and other hot operations be carried out. The refrigerant discharge takes the order of high pressure first and then low pressure. There is no fire source near the maintenance site. The refrigeration system is best to use exhaust tongs and lead to the outside through the exhaust pipe, or return air with a return air bag.
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