Cooling Charging Table-Subcooling | Carrier 48EZ(N)-A instruction

48EZ -- A

A08019

Fig. 16 - Cooling Charging Table-Subcooling

31

Image 31

Carrier 48EZ(N)-A installation instructions Cooling Charging Table-Subcooling

Contents

Safety Considerations Table of Contents Provide Unit Support Receiving and InstallationIntroduction Check Equipment 48EZ-A24-36 Unit Dimensions 48EZ-A42-60 Unit Dimensions Number Roof Curb Dimensions Inspection Field Fabricate DuctworkProvide Clearances Rig and Place Unit Rigging/Lifting of Unit See Fig Install Flue HoodInstall Gas Piping Connect Condensate Drain Sediment Trap Fire or Explosion Hazard Configuring Units for Downflow Vertical Discharge Install Duct Connections Physical Data Unit 48EZ-A Maximum Gas Flow Capacity Physical Data Unit 48EZ-A Cont’dHeating Inputs Unit Component Damage Hazard Install Electrical ConnectionsSpecial Procedures for 208-V Operation High-Voltage Connections Transformer Protection Balance Point Setting-Thermidistat or Hybrid ThermostatPRE-START-UP Control Voltage Connections Unit Sequence of Operation Start-up Heating and Make Adjust- mentsSTART-UP Check for Refrigerant Leaks Check Gas Input Adjust Gas InputUnit Damage Hazard Start-up Cooling and Make Adjust- ments Unit Operation Hazard Checking and Adjusting Refrigerant ChargeIndoor Airflow and Airflow Adjustments Gas Heating Fan Speed Set-up Continuous 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 Cooling Standard CFM Scfm Horizontal and Downflow Filter Pressure Drop Table IN. W.CUnit Standard CFM Scfm Size Downflow Cooling Standard CFM Scfm Economizer + Tons 48EZ 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 Indoor Blower and Motor MaintenanceCleaning the Blower Motor and Wheel Air Filter Main Burners Limit SwitchInduced Draft combustion air Blower Assembly Burner Ignition Outdoor Fan Electrical Controls and WiringRefrigerant Circuit Indoor Airflow Pressure SwitchesLoss of Charge Switch Gas Input Copeland 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 Symptom Cause Remedy Troubleshooting Guide Cooling or Heat Pump Heating Mode Troubleshooting Guide-LED Error Codes Troubleshooting Guide-HeatingLED OFF III. START-UP Electrical Supply Voltage Compressor Amps TemperaturesRemove and Store in Job Files Preliminary Information Model no