Carrier appendix 38AUZ*25, 38AUD*25

Carrier 38AU appendix Installation, Start---Up Service Instructions, Contents Carrier 38AU appendix Safety Considerations, Installation Guideline, Replacement/Retrofit R-22 to PuronR Carrier 38AU appendix Installation, Unit Damage Hazard Carrier 38AU appendix Unit, Mchx, Rtpf Carrier appendix 38AUZ*25, 38AUD*25 Carrier Unit Size 38AU, Refrigerant TYPE‡, Compressor, Condenser Fans, Rtpf Condenser Coil, Novation Condenser Coil Carrier 38AU appendix Nominal Capacity kW, Rtpf Shipping Charge kg, Scroll, Oil Charge L, Rows/Fins per Meter Fins/m Carrier 38AU appendix Rtpf Shipping Charge A/B lb, Oil Charge A/B oz, Face Area sq ft total Rows/Fins per inch FPI Carrier 38AU appendix Operating Weight kg Novation Coil Al Tube, Rtpf Shipping Charge A/B kg, Oil Charge A/B L Carrier 38AU appendix U Z a 2 5 a 0 G 6 a 0 a 0 a Carrier appendix Installation, Matching 38AU Model To Evaporator Coil, Jobsite Survey, Do not Bury Refrigeration Lines Carrier 38AU appendix Slab Mount, Equivalent Lengths for Common Fittings ft, Provide Safety Relief Carrier appendix Liquid Lift, Suction Riser, 38AUZ 16-25 Piping Recommendations Single-Circuit Unit Carrier appendix 38AUD 16-25 Piping Recommendations Two-Circuit Unit, Vertical Separation outdoor unit above indoor unit Carrier 38AU appendix Install Filter Driers and Moisture Indicators, Refrigerant Specialties Part Numbers Carrier 38AU Install Liquid Line Solenoid Valve, Capacity Control Liquid Line Solenoid Valve, Selecting an Accumulator Carrier 38AU appendix Evacuation/Dehydration, Preliminary Charge Carrier 38AU appendix Field Power Supply, Fire Hazard, Units with Factory-Installed Disconnect, All Units Carrier 38AU appendix Convenience Outlets, Electrical Operation Hazard Carrier 38AU appendix Convenience Outlet Utilization Notice Label, Field Control Wiring Carrier 38AU appendix Thermostat, Control Transformer Wiring Carrier 38AU appendix Unit Wire/Fuse or Hacr Breaker Sizing Data, Unbalanced 3-Phase Supply Voltage Carrier 38AU appendix Pre-Start-Up, System Check, Preliminary Checks Carrier 38AU Start Unit, Compressor Overload, Advanced Scroll Temperature Protection Astp, Adjust Refrigerant Charge Carrier appendix 38AUZ*25 Check Compressor Oil Level, Final Checks Carrier appendix 38AUD*16 Charging Chart Novation Carrier appendix 38AUZ*16 Charging Chart Rtpf Carrier appendix 38AUD*16 Charging Chart Rtpf
Page 5

38AU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C10943

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

Standard

Corner

Corner

Corner

Corner

 

Center of Gravity

 

Unit

Weight

 

A

 

B

 

C

 

D

 

 

Height

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lbs.

kg.

lbs.

kg.

lbs.

kg.

lbs.

kg.

lbs.

kg.

X

 

Y

 

Z

H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38AUZ*25

978

444

360

 

163

188

 

85

147

 

67

283

 

128

38

 

23

 

17

50

3/

 

(RTPF)

 

 

 

 

[965.2]

 

[584.2]

 

[431.8]

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[1279.2]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

38AUD*25

978

444

360

 

163

188

 

85

147

 

67

283

 

128

38

 

23

 

17

50

3/

 

(RTPF)

 

 

 

 

[965.2]

 

[584.2]

 

[431.8]

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[1279.2]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND: RTPF = Round Tube/Plate Fin coil

Fig. 2 - 38AU**25 Unit Dimensions

5

Page 4 Page 6
Image 5
Page 4 Page 6
Contents Contents Installation, Start---Up Service InstructionsReplacement/Retrofit R-22 to PuronR Safety ConsiderationsInstallation Guideline Unit Damage Hazard InstallationRtpf UnitMchx 38AUD*25 38AUZ*25Refrigerant TYPE‡ Unit Size 38AUCompressor Condenser FansNominal Capacity kW Pressurestat Settings kPa High CutoutRtpf Shipping Charge kg ScrollFace Area sq ft total Rows/Fins per inch FPI Rtpf Shipping Charge A/B lbOil Charge A/B oz Rtpf Shipping Charge A/B kg Operating Weight kg Novation Coil Al TubeOil Charge A/B L Qty...r/s Motor Hp Nema Diameter mmU Z a 2 5 a 0 G 6 a 0 a 0 a Matching 38AU Model To Evaporator Coil InstallationJobsite Survey Do not Bury Refrigeration LinesSlab Mount Provide Safety ReliefEquivalent Lengths for Common Fittings ft Check 38AU Model with Evaporator Coil Connections38AUZ 16-25 Piping Recommendations Single-Circuit Unit Liquid LiftSuction Riser Vertical Separation outdoor unit above indoor unit 38AUD 16-25 Piping Recommendations Two-Circuit UnitInsulate Suction Lines Hot Gas BypassRefrigerant Specialties Part Numbers Install Filter Driers and Moisture IndicatorsCapacity Control Liquid Line Solenoid Valve Install Liquid Line Solenoid ValveSelecting an Accumulator Make Piping ConnectionsPreliminary Charge Evacuation/DehydrationUnits with Factory-Installed Disconnect Field Power SupplyFire Hazard All UnitsElectrical Operation Hazard Convenience OutletsConvenience Outlet Utilization Notice Label Field Control WiringThermostat Control Transformer WiringUnbalanced 3-Phase Supply Voltage Unit Wire/Fuse or Hacr Breaker Sizing DataSTART-UP PRE-START-UPSystem Check Preliminary ChecksAdjust Refrigerant Charge Advanced Scroll Temperature Protection AstpUsing plotted operating point Start UnitFinal Checks 38AUZ*25 Check Compressor Oil Level38AUD*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 Base Unit Controls Operating SequenceService Routine System MaintenanceRefrigeration System Equipment Damage HazardLiquid Line Filter Drier Field Refrigerant Access PortsFactory High-Flow Access Ports Input Terminal Voltage Comfort Alert Diagnostic ModuleLockout LED Status CodesCompressor Protection 38AUD Size 16 Cabinet LPS 38AUZ,D Size 25 Cabinet 38AUZ*25 Compressor Assembly Rear View Repairing Novation Condenser Tube Leaks Novation Coil Cleaning and MaintenanceCoil Type Identification NOVATIONt TypeUnit Reliability Hazard Routine Cleaning of Round-Tube Plate Fin Rtpf CoilsReplacing NOVATIONt Condenser Coil Problem Solution Compressor does not RUN TroubleshootingCompressor Stops on HIGH-PRESSURE Switch Fastener Torque ValuesCompressor Running but Cooling Insufficient Problem Solution Compressor Cycles on LOW-PRESSURE SwitchUnit Operates TOO Long or Continuously System is NoisyAppendix B Wiring Diagram ListAppendix a Troubleshooting Low Ambient Option Factory InstalledAppendix C Operation38AUZ*16 & 38AUD*16 Novation 38AUZ*16/25 & 38AUD*16/25 Rtpf Motormaster Sensor LocationDimensions --- 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 II. PRE-START-UP Outdoor Unit START-UP ChecklistCheck Voltage Imbalance
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