Trane Technologies CSHW047, Installation Instructions Manual

Page 1: ...ing up and servicing of heating ventilating and air conditioning equipment can be hazardous and requires specific knowledge and training Improperly installed adjusted or altered equipment by an unqual...

Page 2: ...hazardous situation which if not avoided could result in minor or moderate injury It could also be used to alert against unsafe practices NOTICE Indicates a situation that could result in equipment o...

Page 3: ...hould only be mixed with dry nitrogen for pressurizing units Failure to follow these instructions could result in death or serious injury or equipment or property only damage WARNING Hazardous Service...

Page 4: ...rmission Trane reserves the right to revise this publication at any time and to make changes to its content without obligation to notify any person of such revision or change Trademarks All trademarks...

Page 5: ...8 Pre Installation Inspections 9 Repair Recommendations 9 Mechanical Failure 10 Electrical Failure 10 Two Types of Motor Failures 10 Removal and Installation 11 Removal 11 Compressor Replacement Tand...

Page 6: ...1 step Unloading with solenoid not energized Digit 10 Design Sequence Factory Assigned Digit 11 Motor Protection Type 0 Internal Line Break Digit 12 Compressor Connections Variation 0 Standard Compres...

Page 7: ...ion Some conditions will result in oil levels below the sight glass Off After several minutes theoil levels should be the same in each compressor and should be visible in the sightglass This is the be...

Page 8: ...system charge exceeds 3 pounds per ton crankcase heaters are required If required heaters must be energized for a minimum of eight hours prior to starting the compressor to insure that liquid refrige...

Page 9: ...ngs may not be of the same length Adjust as necessary for even unit lift Table 2 Compressor weight without oil charge Model Weight lb Weight kg CSHW 047 050 052 056 83 8 38 CSHW 052 2 86 39 CSHW 058 0...

Page 10: ...rs using an acid test kit Use Trane Part Numbers CHM00414 and 45006 Two Types of Motor Failures Light If oil test kit is negative and oil is only slightly discolored treat in the same manner as a mech...

Page 11: ...compressor Cut the refrigerant lines in a convenient location that allows reassembly with slip couplings Then unbraze the line from the compressor and reuse it when the replacement is installed WARNIN...

Page 12: ...and shipping For single applications this equalizer port will need to be brazed shut with a 1 125 tube and cap If the replacement compressor requires a full oil charge then the compressor can be tipp...

Page 13: ...of the refrigerant system iv Reinsert the tube into the compressor connection If the tubing does not stay fully inserted it must be restrained to prevent it from backing out of the compressor connecti...

Page 14: ...order to protect themselves from potential electrical mechanical and chemical hazards MUST follow precautions in this manual and on the tags stickers and labels as well as the following instructions U...

Page 15: ...equipment or property only damage Use only dry nitrogen with a pressure regulator for pressurizing unit Do not use acetylene oxygen or compressed air or mixtures containing them for pressure testing D...

Page 16: ...ng the evaporator Verification Before Start Up Follow the instructions in the unit Installation Operation and Maintenance manual If there are no instructions available use these guidelines Before star...

Page 17: ...ly when the compressor is operating Do not overcharge the unit Recommended system full load superheats unless specified differently in the unit Installation Operation and Maintenance manual is 16 F 20...

Page 18: ...eat sub cooling oil sump superheat voltage and amperage Check all of the following on a regular basis System operating conditions System refrigerant charge level Oil levels and oil color Check electri...

Page 19: ...mum of eight hours or it is defective Mechanical damage to the compressor has occurred Check compressor amperage It may also trip the compressor motor protection module or other unit electrical protec...

Page 20: ...on Operation and Maintenance manual for possible diagnostics codes and corrective action Also check for Defective unit controls maximum 12 starts per hour Compressors cycling on safety controls Unit o...

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Page 24: ...are committed to using environmentally conscious print practices Trane by Trane Technologies NYSE TT a global climate innovator creates comfortable energy efficient indoor environments for commercial...