Unicla UWX440 User Manual Download

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UWX550 and UWX440

Installation Guidelines

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Summary of Contents for UWX440

Page 1: ...UWX550 and UWX440 Installation Guidelines...

Page 2: ...ining professional information using representative graphs charts and tables Manufacturers specifications must be consulted for specific guidelines and performance data Unicla published data specific...

Page 3: ...and screen 7 12 Oil injector 8 13 Discharge line analysis pressure and temperature 8 14 Refrigerantcharging 9 15 Compressor operation analysis report 10 Note This booklet is designed to assist the ins...

Page 4: ...solid particle and chemical contamination before compressor fitting Solid particle contamination will cause direct compressor damage and starvation due to blocked system filters and screens see sectio...

Page 5: ...the bolt then pull out Fig A Fig B Fig C 3 Fitting of discharge hose manifold Install the gasket Install Manifold Valve this is right hand view M10 x L60 Bolt Tightening tension 34 3 Nm 355 kg cm Con...

Page 6: ...nd this amount is excluded from the quantities recommend above Note Oil quantity calculations are contained in the Unicla Service Handbook Total system oil requirement is based on 20 and 30 of refrige...

Page 7: ...rvation of the compressor Warranty is void if these guidelines are not followed Unicla Oil Type Alternative Unidap 6 POE 68 Unidap 7 PAG 46 Recommended alternatives for Unicla Lubricant 6 Oil type and...

Page 8: ...point Oil Green colouration exposure to copper oxidation Operation OK Recommendation Monitor oil condition and change if necessary Sight Glass Oil level low half point Oil Normal clean and transparen...

Page 9: ...e Unicla inline mesh screen and filter insert should be used whenever there is risk of debris and fine particles entering the compressor through the suction line In the case of older systems where the...

Page 10: ...ual is required or reference to additional technical information for specifications and faults regarding condensing to air differentials NR not recommended as a continuous running phase superheat may...

Page 11: ...peration b If it is not possible to access the system at the evaporator or roof level then service points in suction and discharge lines away from the compressor are the next best option c If refriger...

Page 12: ...ut oC Discharge Temp oC Pressure Drop Temp Difference oC Liquid Line Temp oC Suct LineTemp at Comp oC Discharge Superheat oC Evap Temp oC Condensor m s Subcooling oC Suct LineTemp at Evap oC Evap Duct...

Page 13: ...Notes...

Page 14: ...Unicla International Limited Unit 1209 1210 12F Manhattan Centre 8 Kwai Cheong Rd Kwai Chung N T Hong Kong Phone 852 2422 0180 Fax 852 2422 0680 Email sales unicla hk Website www unicla hk...

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