Issue | Allied Air Enterprises 4HP16LT manual

506468-01

Issue 1004

Page 20

Image 20

Allied Air Enterprises 4HP16LT manual Issue

Contents

4HP16LT Series Installation Clearances Torque TableGeneral Fastener Torque Electrical Wiring Slab MountingSlab Mounting Roof Mounting With Auxiliary Heat Thermostat DesignationsWithout Auxiliary Heat Brazing Connection Procedure Outside Unit Placement InstallationInstalling Refrigerant Line Refrigerant Line Sets Installing Horizontal Runs Refrigerant Line Sets Transition from Vertical to Horizontal Flushing Existing Line Set and Indoor Coil R22 refrigerant will be used to flush the system Flushing Connections Manifold Gauge Set Liquid and Suction Line Service ValvesRefrigerant Metering Device Service Valve Ball Type Service Valve Valve OpenTo Open Liquid or Suction Line Service Valve To Close Liquid or Suction Line Service Valve Evacuation Refrigerant Charging Refrigerant Charge AdjustmentAmbient temperature Charge Using Weigh-In Method Cooling Cycle R410A Temperature/Pressure Chart Blocking Outdoor Coil Normal Operating Pressures Check Charge Using Normal Operating Pressures Approach Values for TXV Systems Operation Filter Drier Defrost Board Pressure Switch Connections Sensor Temp. / Resistance Range Delay Mode Issue Defrost Control Board Diagnostic LEDs System Diagnostic Module Interpreting the Diagnostic LEDsFlash Codes LED Description 24VAC Power Wiring Short Cycling Miswired Module Codes Miswired Module TroubleshootingThermostat Demand Wiring Maintenance Thermostat Operation Case of extended power outageHeat Pump Operation Preservice Check Start-Up and Performance Checklist CoolingHeating Sequence of Operation Single Stage Wire Diagram Two Stage Wire Diagram