Central air-conditioning, refrigeration sea Qingdao Road, Qingdao, central air conditioning maintenance

 Refrigeration unit plus there is a way to freeze the oil, if the unit has a filling hole of the refrigerant recovery, close the intake and exhaust valves of the compressor, filling hole plugging unscrew bolts from the refrigeration compressor oil into the filling hole . This method is suitable for large units! 2, off a small compressor suction valve leakage how central air conditioning maintenance, and processing methods are similar to the refrigerant, the refrigerant oil sucked into the compressor! Note added in frozen oil not too much central air conditioning, prevent fluid strike! Of course it would be best not to add too that they did not learn a little mistake there will be problems we recommend that you choose a regular refrigeration company. Road maintenance of various sea Refrigeration Equipment Co., central air conditioning units refrigeration equipment parts and maintenance, the company complete accessories, please call 18669806932 3 skilled refrigeration and electrical components of the original: the expansion valve, solenoid valves, filters using only: Emerson, Dan Firth, Kashi properly and other world-renowned brands. The main electrical components AC contactors, thermal relays, etc. are used Schneider international brands, which greatly improves the performance of the unit. 4 protection function: A. low pressure protection: Ensure that the cooling system to achieve when conditions beyond the scope of the automatic protection unit. B. Power Protection: lack of protection, reverse phase protection, under-voltage protection, overload protection, motor overheat protection. C. Frost protection: When the chilled water temperature is too low Qingdao central air conditioning maintenance, the unit automatically shut down. D. water protection: When the system stops the water flow or water flow is too small, the unit automatically shut down. E. Overload: When the compressor, pump overload, the unit brake stop and alarm. Central air-conditioning, refrigeration sea Qingdao Road, Qingdao, central air-conditioning maintenance provided by Qingdao Road Sea cooling. Refrigeration Technology Co., Ltd. Qingdao Hai Road (www.qdlhzl.com) in the central air-conditioning maintenance, refrigeration equipment installation, chiller installation and maintenance of cold storage, refrigeration and other industries have high visibility, integrity management, both quality of service, welcome to inquire or consult our "business alliance customer service" it!