Wedding dresses steps: First, the preparatory work at least two or more persons skilled refrigeration repairman, tool set, seat belts and other safety equipment. Two steps disassemble 1 Recovery of refrigerant whether it is winter or summer transfer machines, air conditioners must be collected refrigerant to the outdoor unit. Should start before disassemble the empty withered hand air conditioning, remote control can be used to set the cooling state until the operation of the compressor cooling state to normal, with the wrench outside the machine liquid pipe and gas pipe protection cap on the interface, turn off the high-pressure pipe ( Fine) cut-off valve, l min (bigger air conditioning on the other about 2 minutes) after the appearance of condensation tube, immediately turn off the low-pressure pipe (crude) cutoff valves, with the rapid shutdown of Xuzhou used central air conditioning recovery, unplug the power cord, Use a wrench to tighten the insurance cap Xuzhou hand air conditioning and fluoride, refrigerant recovery work completed so far. 2. After the demolition of interior mechanism of refrigerant recovery, removable indoor unit. The indoor unit is connected with a wrench to unscrew the lock master, ready sealed with sodium child spin cover your indoor unit connectors wire lines, prevent joint damage the wire pattern in delivery; then cross from the Line of Control. At the same time should be marked to avoid the wrong during installation. If the signal lines or power lines are wrong, it will cause outside the machine is not running, or uncontrolled machine. The machine is generally fixed peg board is strong, unloading more difficult; emptied remove siding, then gently pat into flat concrete floor flat correction. 3. Demolition of the outdoor unit split outdoor unit by professional refrigeration repairman demolished in ensuring safety. Connect twist lock away his mother, live in a prepared application sealed sodium child spin care out connectors for wire lines. Loosen the screws with a wrench outside the machine at the end of the foot. After the demolition of the outdoor unit down, preferably with rope Diaozhu unloading put balance should pay attention to avoid vibration, bump, and note the downstairs cars and people. Central air conditioning maintenance at home central air conditioning maintenance, the experts recommend that you do the following two points: First, the proper use and operation of home central air conditioning units, regular maintenance, beneficial to extend the service life, we recommend at least two years testing and maintenance should be done once. Second-hand air conditioning repair Xuzhou, in front of the home central air conditioning maintenance required to convert the host preheat for 24 hours. When cleaning the air conditioner condenser and evaporator coil, can be directly hosed, if there are no conditions can also be used dry soft brush, brush the dust filter online, be sure to pay attention to cleaning cleaning horizontally to avoid collision fin bad coil. Xuzhou hand wedding dresses | used air conditioning | Sheng Erda refrigeration provided by Xuzhou 圣尔达 Refrigeration Electrical Services Limited. Xuzhou 圣尔达 Refrigeration Electrical Services Limited (xzktw.com) strong, credible, in Xuzhou heat exchangers, refrigeration and air conditioning equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Sheng Erda refrigeration and you hand into the brilliant, for a better future!