Allied Air Enterprises manual 4HP16LT Series

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INSTALLATION AND MAINTENANCE INSTRUCTIONS

4HP16LT Series

Split System Heat Pump

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WARNING

The equipment covered in this manual is to be installed by trained and experienced service and installation technicians. Improper installation, modification, service, or use can cause electrical shock, fire, explosion, or other conditions which may cause personal injury, death, or property damage. Use appropriate safety gear including safety glasses and gloves when installing this equipment.

WARNING

Risk of electrical shock. Disconnect all remote power supplies before installing or servicing any portion of the system. Failure to disconnect power supplies can result in property damage, personal injury, or death.

WARNING

Installation and servicing of air conditioning equipment can be hazardous due to internal refrigerant pressure and live electrical components. Only trained and qualified service personnel should install or service this equipment. Installation and service performed by unqualified persons can result in property damage, personal injury, or death.

WARNING

Sharp metal edges can cause injury. When installing the unit, use care to avoid sharp edges.

TABLE OF CONTENTS

 

INSTALLATION

2

CONNECTION DIAGRAM

4

START-UP

13

OPERATION

18

MAINTENANCE

23

Manufactured By

Allied Air Enterprises, Inc.

A Lennox International Inc. Company

215 Metropolitan Drive

West Columbia, SC 29170

*506468-01*

506468-01

Issue 1004

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Contents 4HP16LT Series Torque Table Installation ClearancesGeneral Fastener TorqueSlab Mounting Electrical WiringSlab Mounting Roof MountingWithout Auxiliary Heat Thermostat DesignationsWith Auxiliary Heat Installing Refrigerant Line Outside Unit Placement InstallationBrazing Connection Procedure Refrigerant Line Sets Transition from Vertical to Horizontal Refrigerant Line Sets Installing Horizontal RunsR22 refrigerant will be used to flush the system Flushing Existing Line Set and Indoor CoilFlushing Connections Refrigerant Metering Device Liquid and Suction Line Service ValvesManifold Gauge Set Ball Type Service Valve Valve Open Service ValveTo Open Liquid or Suction Line Service Valve To Close Liquid or Suction Line Service ValveEvacuation Ambient temperature Refrigerant Charge AdjustmentRefrigerant Charging Cooling Cycle Charge Using Weigh-In MethodBlocking Outdoor Coil R410A Temperature/Pressure ChartNormal Operating Pressures Approach Values for TXV Systems Check Charge Using Normal Operating PressuresFilter Drier OperationSensor Temp. / Resistance Range Defrost Board Pressure Switch ConnectionsDelay Mode Issue Defrost Control Board Diagnostic LEDs Interpreting the Diagnostic LEDs System Diagnostic ModuleFlash Codes LED DescriptionShort Cycling 24VAC Power WiringThermostat Demand Wiring Miswired Module TroubleshootingMiswired Module Codes Maintenance Heat Pump Operation Case of extended power outageThermostat Operation Preservice Check Cooling Start-Up and Performance ChecklistHeating Sequence of OperationSingle Stage Wire Diagram Two Stage Wire Diagram