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At The display always show >4 °C. Clean the refine unit fins Refine unit was clogged. At The display always show >4 °C. Clean the refine units Room has rather high temperature and fan has invert spin.( In case 3 phases used) The cooling air had pass on fan and refine unit. Invert the electric phase The refrigerant leaked. Temperature of the dew point too high (Moisture might be observed near entrance). Check for leaking marks F Low pressure Switch stops working. Air pressure too low, inlet temperature too high, ambient temperature too high. The compressor stopped before reached the fixed balancing point value. Compressor restarts again after 2-3 minutes because the pressure is back to normal Recommend to turn off the machine. Refrigerant pressure too low, refrigerant leak -Top of the compressor is very hot Compressor stops then restarts after 2~3 seconds. Check for leaking marks and refill the refrigerant G Prevent compressor shut down High pressure switch stopped working -Top of the compressor is very hot -Compressor stopped working Ensure the high temperature switch is in good condition; if not then change a new one. Notes Denco Limited - General Information The safe choice for all your compressed air needs With over 50 years experience in the design and manufacture of compressed air dryers and associated industrial plant, Denco has a wide portfolio of products offering all requisite features and benefits to meet the ever-increasing demands of international quality and environmental standards. Whatever the application, products can be tailored to exact customer requirements. Consequently, Denco compressed air equipment can be found in all types and sizes of industry throughout the World, from small operator spray booths to major industrial installations. With an open, flexible approach and a strong focus on Customer satisfaction, Denco has the skill and experience to provide the most suitable and cost effective solution to meet your needs. The Quality These units are designed and built using our unrivalled experience in compressed air drying, with extensive testing of components and complete systems. Every aspect is engineered to ensure maximum reliability, economy of operation and long working life, together with ease of installation and maintenance. Denco Technical Support Denco’s Technical Support Department offers a nationwide service network for all users of Denco equipment. Users with an existing maintenance contract on the mainland of Great Britain receive a target response time of 4 to 6 hours, 24 hours a day, 365 days per year. Our Technical Support Engineers operate from strategically placed service depots supported by regional stores and a major central stores in Hereford. To meet the complexity of equipment we train our engineers in both electrics and microprocessor controls. Technical Support contracts are available offering scheduled preventative maintenance and emergency call-out nationwide. All schemes are tailored to suit Your Denco Distributor is: the customer and site requirements. Denco Limited Head Office Dolphin House, Moreton Business Park, Moreton-on-Lugg, Hereford, HR4 8DS, UK. Telephone: +44 (0) 1432 277277 Fax: +44 (0) 1432 268005 Web: Due to our policy of continuous development and improvement, the specifications and data herein are subject to change without notice. We must therefore reserve the right to supply equipment that may differ from that described and illustrated herein. All information, including illustrations, contained in this manual, is believed to be accurate and reliable. Users, however, should independently evaluate the suitability of each product for their own application. Denco makes no warranties as to the accuracy or completeness of the information, and disclaims any liability regarding its use. ...

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