38AUD Size 16 Cabinet | Carrier specs

38AU

Condenser Fans/Motors

Access Panel -

Control Box &

Compressors

Service

Valves

C10087

Fig. 34 - 38AUD Size 16 Cabinet

C10095

Fig. 35 - 38AUD*16 Piping

38

Image 38

Carrier appendix 38AUD Size 16 Cabinet

Contents

Installation, Start---Up Service Instructions Contents Replacement/Retrofit R-22 to PuronR Safety ConsiderationsInstallation Guideline Installation Unit Damage Hazard Rtpf UnitMchx 38AUZ*25 38AUD*25 Compressor Unit Size 38AURefrigerant TYPE‡ Condenser Fans Rtpf Shipping Charge kg Pressurestat Settings kPa High CutoutNominal Capacity kW Scroll Face Area sq ft total Rows/Fins per inch FPI Rtpf Shipping Charge A/B lbOil Charge A/B oz Oil Charge A/B L Operating Weight kg Novation Coil Al TubeRtpf Shipping Charge A/B kg Qty...r/s Motor Hp Nema Diameter mm U Z a 2 5 a 0 G 6 a 0 a 0 a Jobsite Survey InstallationMatching 38AU Model To Evaporator Coil Do not Bury Refrigeration Lines Equivalent Lengths for Common Fittings ft Provide Safety ReliefSlab Mount Check 38AU Model with Evaporator Coil Connections 38AUZ 16-25 Piping Recommendations Single-Circuit Unit Liquid LiftSuction Riser Insulate Suction Lines 38AUD 16-25 Piping Recommendations Two-Circuit UnitVertical Separation outdoor unit above indoor unit Hot Gas Bypass Install Filter Driers and Moisture Indicators Refrigerant Specialties Part Numbers Selecting an Accumulator Install Liquid Line Solenoid ValveCapacity Control Liquid Line Solenoid Valve Make Piping Connections Evacuation/Dehydration Preliminary Charge Fire Hazard Field Power SupplyUnits with Factory-Installed Disconnect All Units Convenience Outlets Electrical Operation Hazard Field Control Wiring Convenience Outlet Utilization Notice Label Control Transformer Wiring Thermostat Unit Wire/Fuse or Hacr Breaker Sizing Data Unbalanced 3-Phase Supply Voltage System Check PRE-START-UPSTART-UP Preliminary Checks Using plotted operating point Advanced Scroll Temperature Protection AstpAdjust Refrigerant Charge Start Unit 38AUZ*25 Check Compressor Oil Level Final Checks 38AUD*16 Charging Chart Novation 38AUZ*16 Charging Chart Rtpf 38AUD*16 Charging Chart Rtpf 38AUD*25 Charging Chart Rtpf Typical 38AUZ Wiring Diagram 15 Ton 230V Tandem Unit Shown Typical 38AUD Wiring Diagram 15 Ton 230V Dual Unit Shown Operating Sequence Base Unit Controls Refrigeration System Routine System MaintenanceService Equipment Damage Hazard Liquid Line Filter Drier Field Refrigerant Access PortsFactory High-Flow Access Ports Comfort Alert Diagnostic Module Input Terminal Voltage LED Status Codes Lockout Compressor Protection 38AUD Size 16 Cabinet LPS 38AUZ,D Size 25 Cabinet 38AUZ*25 Compressor Assembly Rear View Coil Type Identification Novation Coil Cleaning and MaintenanceRepairing Novation Condenser Tube Leaks NOVATIONt Type Unit Reliability Hazard Routine Cleaning of Round-Tube Plate Fin Rtpf CoilsReplacing NOVATIONt Condenser Coil Compressor Stops on HIGH-PRESSURE Switch TroubleshootingProblem Solution Compressor does not RUN Fastener Torque Values Unit Operates TOO Long or Continuously Problem Solution Compressor Cycles on LOW-PRESSURE SwitchCompressor Running but Cooling Insufficient System is Noisy Appendix B Wiring Diagram ListAppendix a Appendix C Low Ambient Option Factory InstalledTroubleshooting Operation Motormaster Sensor Location 38AUZ*16 & 38AUD*16 Novation 38AUZ*16/25 & 38AUD*16/25 Rtpf Dimensions --- MM Unit Baffle Wind Baffle DimensionDimensions --- Inches Unit Baffle Wind Baffles Fabrication 15 Ton Wind Baffle Brackets Fabrication Front Front Back Left Right Catalog No 38AU---09SI START-UP Checklist II. PRE-START-UP Outdoor Unit Check Voltage Imbalance