Course curriculum
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1
Basic Principles of Operation
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Before You Begin
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Objectives
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A Brief Heat Pump History Lecture
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A Brief Heat Pump History
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Basic Refrigeration Overview
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Measuring Temperature
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Ambient Temperature
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Dry-Bulb and Wet-Bulb Temperatures
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Dew Point Temperature
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Pressure
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Atmospheric Pressure
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Gauge Pressure
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Vacuum
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Absolute Pressure
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Thermodynamics
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The First Law of Thermodynamics
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The Second Law of Thermodynamics
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Radiation
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Conduction
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Convection
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States of Matter
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Change of State
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Sensible Heat
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Latent Heat
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Superheated Vapor
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Subcooling
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Gas Law
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Saturation Tables (Temperature/Pressure Charts)
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System Components
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Compressor
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Condenser
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Metering Devices
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Capillary Tube
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Automatic Expansion Valve (AEV or AXV)
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Thermostatic Expansion Valve (TEV or TXV)
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Heat Pump Lecture
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Heat Pump
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Refrigerant Blends
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Compression Ratio
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Heat Pump Cycles or Modes Lecture
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Heat Pump Cycles or Modes
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Heat Pump Systems Lecture
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Heat Pump Systems
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Dual Capacity and Two-Speed Systems
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Review Questions
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2
System Components
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Objectives
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Compressors Lecture
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Compressors
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Various Types of Compressors Lecture
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Various Types of Compressors Used With Heat Pumps
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Variable Speed Compressors Lecture
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Variable Speed Compressors
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Variable -Speed Drives (VSD) Lecture
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Variable-Speed Drives (VSD)
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Fan/Blower Motors
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The Indoor Blower Motor
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4-Way- Reversing Valve Lecture
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4-way/Reversing Valve
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Reversing Valve Operation-Solenoid De-Energized Lecture
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Reversing Valve Operation-Solenoid De-Energized
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Solenoid Energized
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Metering Devices Lecture
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Metering Devices
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Check Valves Lecture
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Check Valves
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Filter Driers Lecture
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Filter Driers
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Defrost Controls Lecture
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Defrost Controls
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Control Thermostats for Heating and Cooling Lecture
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Control Thermostats for Heating & Cooling
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Electronic Control Thermostat
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Crankcase Heater Lecture
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Crankcase Heaters
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Suction Line Accumulator Lecture
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Suction Line Accumulator
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Review Questions
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3
Airflow
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Objectives
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Indoor System Air Flow Lecture
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Indoor System Air Flow
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Checking and Calculating Indoor Air Flow
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Blower Performance Lecture
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Blower Performance
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Review Questions
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4
Defrost Methods
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Objectives
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Defrost Methods Lecture
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Temperature Differential
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Time and Temperature
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Temperature and Pressure
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Time, Temperature and Pressure
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Review Questions
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5
Balance Point
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Objectives
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Coefficient of Performance Lecture
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Coefficient of Performance
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Balance Point Calculations Lecture
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Balance Point Calculations
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Dual Fuel Systems
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Balance Point Calculations Example Lecture
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Balance Point Calculation Example
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Outdoor Thermostats Lecture
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Outdoor Thermostats
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Calculating Multiple Outdoor Thermostat Settings
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Review Questions
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6
Secondary Heat
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Objectives
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Secondary Heat Lecture
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Secondary Heat
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Review Questions
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7
Electrical Control Wiring
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Objectives
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Indoor- Outdoor Components Lecture
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Indoor Components
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Outdoor Components
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Electrical Control Diagrams Lecture
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Electrical Control Diagrams
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Review Questions
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8
Refrigerant Piping
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Objectives
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Refrigerant Pipe Sizing Lecture
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Refrigerant Pipe Sizing
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Liquid Lines
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Refrigerant Pipe Installation and Insulation
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Review Questions
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9
System Installation
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Objectives
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Indoor Systems-Key Points Lecture
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Indoor Systems - Key Points
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Outdoor Systems-Key Points Lecture
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Outdoor Systems - Key Points
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Review Questions
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10
Refrigerant Evacuation and Charging
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Objectives
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Evacuation Lecture
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Evacuation
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Charging Lecture
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Charging
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Review Questions
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11
Preventive Maintenance
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Objectives
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Maintenance Checks Lecture
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Maintenance Checks
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Pre-Summer Preventative Maintenance Should Include:
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Maintenance Form
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Review Questions
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12
Troubleshooting
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Objectives
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Refrigerant Charge Lecture
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Refrigerant Charge
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General Troubleshooting Tips Lecture
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General Troubleshooting Tips
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Net Cooling Capacity Lecture
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Net Cooling Capacity
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Refrigerant Charge Lecture
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Refrigerant Charge
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Troubleshooting
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Refrigerant Components
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Troubleshooting
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Wiring Diagrams
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Troubleshooting Using the Ladder Diagram Lecture
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Troubleshooting Using the Ladder Diagram
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Pictorials Lecture
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Pictorials
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Heat Pump Troubleshooting Flow Chart #1
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Heat Pump Troubleshooting Flow Chart #2
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Heat Pump Troubleshooting Flow Chart #3
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Heat Pump Troubleshooting Flow Chart #4
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Heat Pump Troubleshooting Flow Chart #5
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Review Questions
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13
Dual-Fuel Systems
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Objectives
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Dual Fuel Systems Lecture
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Dual Fuel Systems
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Review Questions
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14
Geothermal Systems
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Objectives
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Principles of Operation Lecture
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Principles of Operation
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Direct Geothermal
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Water Source
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Water Geothermal; Vertical Loop Lecture
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Water Geothermal: Vertical Loop
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Open-Loop Systems
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Review Questions
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