Carrier 48EZ(N)-A installation instructions 208/230-1-60 Ladder Wiring Diagram, Unit 48EZ-A

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48EZ A--

A10207L

Fig. 14 Cont - 208/230-1-60 Ladder Wiring Diagram, Unit 48EZ-A

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Contents Table of Contents Safety ConsiderationsReceiving and Installation IntroductionCheck Equipment Provide Unit Support48EZ-A24-36 Unit Dimensions 48EZ-A42-60 Unit Dimensions Roof Curb Dimensions NumberField Fabricate Ductwork Provide ClearancesRig and Place Unit InspectionInstall Flue Hood Install Gas PipingConnect Condensate Drain Rigging/Lifting of Unit See FigFire or Explosion Hazard Sediment TrapInstall Duct Connections Configuring Units for Downflow Vertical DischargePhysical Data Unit 48EZ-A Maximum Gas Flow Capacity Physical Data Unit 48EZ-A Cont’dHeating Inputs Install Electrical Connections Special Procedures for 208-V OperationHigh-Voltage Connections Unit Component Damage HazardBalance Point Setting-Thermidistat or Hybrid Thermostat PRE-START-UPControl Voltage Connections Transformer ProtectionStart-up Heating and Make Adjust- ments START-UPCheck for Refrigerant Leaks Unit Sequence of OperationCheck Gas Input Adjust Gas InputUnit Damage Hazard Start-up Cooling and Make Adjust- ments Checking and Adjusting Refrigerant Charge Indoor Airflow and Airflow AdjustmentsGas Heating Fan Speed Set-up Unit Operation HazardContinuous Fan Operation Two Cooling Fan Speeds Set-up Dehumidification feature usedColor Coding for Indoor Fan Motor Leads Unit Heating Rise Motor Dry Coil Air Delivery* Horizontal Unit 48EZ-A24-60Range Speed Color Dry Coil Air Delivery* Horizontal Discharge Unit 48EZ-A24-60 1354 1290 1226 1158 1102 1046 981 918 843 55oF Heating Rise Medium1 48EZ ---,NA48090 48EZ ---,NA48130 Unit Heating Rise Motor Wire Horizontal and Downflow Filter Pressure Drop Table IN. W.C Unit Standard CFM Scfm SizeDownflow Cooling Standard CFM Scfm Economizer + Tons Cooling Standard CFM Scfm48EZ a 208/230-1-60 Ladder Wiring Diagram, Unit 48EZ-A 208/230-3-60 Connection Wiring Diagram, Unit 48EZ-A Cont. 208/230-3-60 Ladder Wiring Diagram, Unit 48EZ-A Cooling Charging Table-Subcooling Maintenance Cleaning the Blower Motor and WheelAir Filter Indoor Blower and MotorLimit Switch Induced Draft combustion air Blower AssemblyBurner Ignition Main BurnersOutdoor Fan Electrical Controls and WiringRefrigerant Circuit Pressure Switches Loss of Charge SwitchGas Input Indoor AirflowCopeland Scroll Compressor Puron Refrigerant High-Pressure SwitchExplosion Hazard Refrigerant System Unit Operation and Safety HazardCompressor Oil START-UP Checklist TroubleshootingPuronr R-410A Quick Reference Guide Troubleshooting Guide Cooling or Heat Pump Heating Mode Symptom Cause RemedyTroubleshooting Guide-LED Error Codes Troubleshooting Guide-HeatingLED OFF Temperatures Remove and Store in Job FilesPreliminary Information Model no III. START-UP Electrical Supply Voltage Compressor Amps