Refrigeration and Air Conditioning Maintenance Section for fan coil every six months to conduct a cleaning maintenance Beijing central air conditioning fan coil cleaning, air filter cleaned once a week, remove the air in the coil, check the fan rotation is flexible, if there are still obstacles phenomenon rotation center How to clean the air-conditioning fan coil should be filled with oil, if abnormal friction noise fan bearings should be replaced. For motor driven fan, with 500V shake table detection coil insulation resistance should not be less than 0.5MΩ, or should be dried or refurbished replacement, check whether the deformation of the capacitor Tianjin central air-conditioning fan coil cleaning, the case shall be replaced with the specifications capacitance , check the lugs are secure, clean fan blades, coils, water dirt on the disc, but the disc with a hydrochloric acid solution to clean the inner wall of dirt, then tighten all fasteners, clean the fan coil casing. Maintenance and repair: 1. normal operation maintenance (each) 1) check the oil pressure and oil refrigeration compressor oil; 2) system leak detection (refrigerant), find the leak in time; 3) Check There are no unusual noise, vibration and temperature; 4) Check the condenser and the cooler temperatures, pressures; 5) examine the various valves are normally 6) Check out the chiller water temperature and pressure; 7) Check the main circuit wiring terminals and compacted; 8) Check electrical control; 9) Check the lubrication system unit; 10) inspection of the instrument, working status of the controller; 11) to keep the device in a clean state.