Lennox International Inc 4HP18LT manual Start-Up and Performance Checklist

Page 26

 

 

 

 

Start-Up and Performance Checklist

 

 

 

 

 

Job Name _____________________________

 

Job No. ____________

Date ___________

Job Location ___________________________

 

City _______________

State ___________

Installer _______________________________

 

City _______________

State ___________

Unit Model No. _________________________

 

Serial No._____________________________

Service Technician _______________________

 

Nameplate Voltage _____________________

Rated Load Ampacity _________

 

Compressor Amperage ________ Outdoor Fan __________

Maximum Fuse or Circuit Breaker ________________________

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electical Connections Tight?

 

 

 

Indoor Filter Clean?

 

 

 

Supply Voltage (Unit Off) __________

 

 

 

 

 

Indoor Blower RPM ___________________ S.P. Drop Over Indoor (Dry) ____________________

Outdoor Coil Entering Air Temperature ________

Voltage with Compressor Operating __________

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor Fan Checked?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cooling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Liquid Line Pressure _______

Suction Line Pressure _______

Refrigerant Charge Checked?

 

 

 

Heating

 

Suction Line Pressure _______

Refrigerant Charge Checked?

 

 

 

 

 

 

Liquid Line Pressure _______

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant Lines: Leak Checked?

 

 

Properly Insulated?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Service Valves: Fully Opened?

 

 

 

Caps Tight?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat: Calibrated?

 

 

 

Properly Set?

 

Level?

 

 

 

 

 

 

 

 

 

 

Sequence of Operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Correct?

Cooling Correct?

506470-01

Issue 1007

Page 26

Image 26
Contents Save these instructions for future reference Lennox International Inc. CompanyGeneral InstallationInstallation Clearances Torque TableSlab Mounting Electrical WiringSlab Mounting Roof MountingInstalling Refrigerant Line Refrigerant PipingLine Set Isolation PlacementOutside Unit Placement & Installation Refrigerant Line Set DiametersRefrigerant Line Sets Installing Horizontal Runs Refrigerant Line Sets Transition from Vertical to Horizontal Flushing Procedure Required EuipmentRefrigerant Metering Device Expansion Valve SystemsTo Access the Schrader Port To Close Liquid or Suction Line Service ValveUsing an Electronic Leak Detector EvacuationIssue Refrigerant Charging Refrigerant Charge AdjustmentSTART-UP Issue R410A Temperature/Pressure Chart Approach Values for TXV Systems Issue Operation Time Delay Defrost Control Timing PinsCompressor Delay Pressure Switch CircuitLED Description System Diagnostic ModuleInterpreting the Diagnostic LEDs 24VAC Power Wiring Thermostat Demand Wiring Miswired Module CodesMaintenance Homeowner Information Inspect and clean outdoor coilTemperature Setting Levers Temperature Indicator Fan SwitchSystem Switch Indicating LightStart-Up and Performance Checklist Wire Diagram Issue