Carrier 38C Series Installation, Operation And Maintenance Manual

Contents

Table of ContentsSafety Considerations ................................................................................................................................................... 2Physical Data ................................................................................................................................................................ 3Base Unit Dimensions .................................................................................................................................................. 4Combination Matrix and Ratings / Electrical Data ........................................................................................................ 5Typical Wiring Schematic ............................................................................................................................................. 6Installation / Startup / Service / Maintenance .............................................................................................................. 8Superheat Charging Table / Required Suction Tube Temperature ............................................................................ 16Pressure vs. Temperature Chart R-410A ................................................................................................................... 17Required Liquid Line Temperature ............................................................................................................................. 18R-410A Refrigerant Quick Reference Guide .............................................................................................................. 19Air Conditioner Troubleshooting Chart ....................................................................................................................... 20Mandatory Startup Checklist and Record ................................................................................................................... 21Long Line Guideline .................................................................................................................................................... 231 – SAFETY CONSIDERATIONS1.1 – GeneralImproper installation, adjustment, alteration, service, maintenance or use can cause explosion, fire, electrical shockor other conditions which may cause personal injury or property damage. Consult a qualified installer; serviceagency must use factory-authorized kits or accessories when modifying this product. Refer to the individualinstructions packaged with the kits or accessories when installing.The appliance is not to be used by persons (including children) with reduced physical, sensory or mentalcapabilities, or lack of experience and knowledge, unless they have been given supervision or instruction. Childrenshould be supervised not to play with the appliance.Follow all the safety codes. Wear safety glasses and work gloves. Use quenching cloths for brazing operations andhave a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attachedto the unit. Consult local building codes for special requirements. In absence of local codes, it is recommended thatthe USA standard ANSI/NFPA 70, National Electrical Code (NEC), be followed.It is important to recognize safety information. This is the safety-alert symbol . When you see this symbol onthe unit and in instructions or manuals, be alert to the potential for personal injury.Understand the signal wordsDANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert symbol. DANGERidentifies the most serious hazards which will result in severe personal injury of death. WARNING signifies hazardswhich could result in personal injury or death. CAUTION is used to identify unsafe practices, which may result inminor personal injury or product and property damage. NOTE is used to highlight suggestions which will result inenhanced installation, reliability, or operation.1.2 – Installation Safety ConsiderationsAfter the unit has been received and when it is ready to be installed or reinstalled, it must be inspected for damage.If damage is detected upon receipt, immediately file a claim with the shipping company or repair. This machinemust be installed in a location that is not accessible to the public and protected against access by non-authorizedpeople. This machine must not be installed in an explosive atmosphere.Do not remove the skid or the packaging until the unit is in its final position. The units can also be lifted with slings,using only the designated lifting points marked on the unit (labels on the chassis and a label with all unit handlinginstructions are attached to the unit). Use slings with the correct capacity, and always follow the lifting instructionson the certified drawings supplied for the unit.Safety is only guaranteed, if these instructions are carefully followed. If this is not the case, there is a risk ofmaterial deterioration and injuries to personnel. These units are not designed to be lifted from above.1.3 – WarrantyWarranty is based on the general terms and conditions of the manufacturer. Any modifications to the design and/orinstallation made without discussion with Carrier and without advance written agreement will result in the loss of theright to any warranty claims and any claim for injury to personnel as a result of these modifications.Page 2