Wedding dresses: 1.1 machine should be preceded by the liquid refrigerant within the air conditioner outdoor unit of income. Income was 1.2 steps: first air conditioner refrigerant into state and start running. 1.3 The high-pressure valve on the outdoor unit hexagonal brass valve cover is open, with a hex wrench high-pressure valve is closed, (on one side only of the outdoor unit has two-way valve, a large diameter low-pressure valves used for air conditioning, a small diameter high pressure valve). Such as running about 3-5 minutes, the indoor unit should no longer have air blowing, indicating all the liquid refrigerant has been received in the outdoor unit. At this low-voltage three-way valves on the outdoor unit and then shut down. In this case the cooling fluid to be sealed in the outdoor unit. The air conditioner is turned off. At this operation can be carried out to disassemble and remove the connecting pipe indoor and outdoor machine Unicom removed brass cable between indoor and outdoor unit is removed pay attention to clean, with a plastic bag to pipe outlet and three-way valve interfaces are sealed stand up. Professional recycling of used old air-conditioning, wall-mounted air conditioners, central air conditioning, high recovery tank air conditioning, coffee equipment recycling mechanism bad cold the whole collection, honesty, credibility, car door service, home valuation, trading on the spot! No demolition Used equipment fee Xuzhou conditioning and fluoride, appliances, furniture, air-conditioning equipment at reasonable prices recovered Xuzhou hand air conditioning repair, air conditioning parts used on the spot to pay Xuzhou, safe, fast and efficient! Xuzhou used central air conditioning recovery, Sheng Erda refrigeration (certified), Used air conditioning provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou Sheng Erda Refrigeration Electrical Services Limited (xzktw.com) Xuzhou, Jiangsu, heat, refrigeration and air conditioning equipment leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Sheng Erda leader in refrigeration staff warmly welcome all inquiries negotiations to create a better future Sheng Erda refrigeration.