Xuzhou 圣尔达 Refrigeration Electrical Services Ltd recovered refrigerant air conditioner refrigerant must be collected from the outdoor unit. Start before disassemble the empty withered hand Xuzhou conditioning point of sale can be set cooling until the compressor running for 5-10 minutes, cooling state to normal, unscrew the outer tube and machine protection cap liquid gas pipe interface, closed high pressure pipe (thin) air conditioning installation cutoff valve moves Xuzhou phone, after the appearance of condensation tube l minute, immediately turn off the low-pressure pipe (crude) cutoff valves, with the rapid shutdown, unplug the power cord, use a wrench to tighten the insurance cap, so far refrigerant recovery work is completed. Can also be used to force the start button on the indoor unit turned on, with the observation of indoor and outdoor unit if there are other faults. Avoid air conditioning trouble after moving machine. Xuzhou Sheng Erda Refrigeration Electrical Services Limited ☆ indoor unit issued a "blah" a small voice, whether this is due to a fault indoor fan motor speed change's sake, or because the air conditioner itself due to temperature changes, resulting in thermal expansion sound when shrink, all is normal. ☆ air conditioner use should pay attention to what the season before the use of air conditioning season, check the power cord is intact Xuzhou hand air conditioning maintenance and installation, is bad, the voltage is within the normal range. Should enable the selection of a dry weather, the air conditioner operation mode set to "air", the wind speed is "high", 4 hours of continuous operation, the electrical system to prevent moisture and avoid running the machine, such as smell musty blow. Xuzhou refrigeration air conditioning maintenance _ Sheng Erda (certified) _ air conditioning maintenance 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.