Tutorials

The following videos are free to the public for a limited time. For now, no purchase of any kind is required to view them; however, we strongly believe every HVAC technician should own a SuperCool Slide Rule. It is guaranteed to save you time and money. These tutorials are designed to only be used by properly trained and certified technicians. Please remember to disconnect all electrical before servicing any equipment and follow all safety guidelines. 

To view tutorials, click the appropriate link:



Airflow - Determining Airflow through an Air Conditioner
 Click Here for PDF

Airflow - Determining Airflow through an Electric Heater PDF
Airflow - Determining Airflow through a Gas Furnace PDF
Airflow - High Delta T through an air conditioner- causes PDF
Airflow - High Delta T through an electric heating unit PDF
Airflow - Low Delta T througn an air conditioner- causes PDF

Airflow - Low Delta T through a gas heating unit- causes PDF
Airflow - Low Delta T through an electric heating unit
Air Proving Switch - Sail Switch - Testing  
Amps - 3 Phase Amp Equation to Watts PDF
Amps - Calculating Amperes using the OHM's Law Wheel PDF
Amps - Converting Watts to Amps PDF
Amps - Converting Volts & Resistance to Amps PDF
Amps - Converting Watts & Resistance to Amps PDF
Amps - Calculating Amperes with a meter
Amps - Calculating Amps or Watts being used by a device
Amps - Inductive Loads PDF

Amps - Resistive Loads PDF
BTU - Definition PDF
BTU - Converting BTU to Tons of Cooling PDF
BTU - Converting Tons of Cooling to BTU PDF
BTU - Determining BTU Output of an Electric Heater

Capacitors - Laws & Combining (Series and Parallel)  
Capacitors - Start capacitor, function and installation
Capacitors - Installing, Replacing, & Manufacturing 
Capacitors - Acceptable Output Range PDF

Capacitors - Testing PDF
Capacitors - Parallel - Creating a 10 MFD with two 5 MFD capacitors
Capacitors - Series - Creating a 5 MFD with two 10 MFD capacitors
Capacitors - Replacing a Dual Run Capacitor with two separate capacitors

Capacitors - Adding a Superboost or Torque Multiplier
Charging units with the Superheat method
Charging units with the Subcooling method
Charging units by weighing in of the Refrigerant
Circuits - Replacing common boards
Circuits - Series Circuit Equation PDF
Circuits - Parallel Circuit Equation PDF

Combustion Air Blower Motor Replacement
Compressor - Installation of a Hard Start capacitor
Compressor - Locked rotor, reversing rotation 
Compressor - Replacement
Compressor - Troubleshooting Weak or Bad Valves PDF
Compressor - Windings Testing
Condenser - Diagnosing a bad condenser fan motor

Condenser - Motor replacement
Contactors - Replacement & Selection
Contactors - Testing
Contactors - What it is and How it works
Defrost Board - Heat Pump - Basic Operation PDF
Defrost Board - Heat Pump - Bypassing for Cooling PDF
Defrost Board - Heat Pump - Sequence of Operation PDF

Defrost Board - Heat Pump - Troubleshooting & Replacement
Delta T - How to obtain
Dual Run - Replacing a Dual Run Capacitor with two separate capacitors 
Duct - Sizing Metal, externally insulated
Duct - Sizing Metal, internally insulated
Duct Work - Sizing - Rectangular Metal PDF

Duct Work - Sizing - Home PDF
Electric Heat Strip - Repair 
Electric Heat Strip - Proper Wire Sizing PDF
Electric Heat Strip - Converting to BTU PDF
Electric Heater - Troubleshooting 

Electric Heater - Wiring Schematic PDF
Electrical Short - Location and repair

Evaporator Coil Replacement - Selection and Replacement
Fan Control Board - Overview, Operation, & Testing
Fan Control Board - Replacement 

Fan & Limit Control - Testing & Replacing
Flame roll-out  - Troubleshooting & Replacement
Flame Sensor- Testing and Replacement
Furnace - Control Board Replacement
Furnace - Hot surface ignitor replacment

Gas Furnace - Identify Components
Gas Furnace - Function of Components
Gas Valve - Replacement

Gas Valve - Testing
Hard Start Kit - Overview & Installation
Heat Exchanger - Replacement

Heat Pump - Circuit board replacement & Schematic
Heat Pump - Dual Fuel wiring diagram
Heat Pump - Defrost Board - Basic Operation PDF
Heat Pump - Defrost Board - Bypassing for Cooling PDF
Heat Pump - Defrost Board - Sequence of Operation PDF
Heat Sequencer - What it is & How it works
Heat Sequencer - Testing
Hot Surface Ignitor - Testing & Replacement
Inductive Loads - Explanation PDF
Motor - Diagnostic of bad condenser fan motor
Motor - Indoor blower motor replacement
Motor - Indoor blower motor speed adjustments
Motor - Replacing indoor fan motor
Motor - Replacing condenser fan motor
Motor - Reversing the rotation of a reversible motor
Motor - Reversing the rotation of a non-reversible motor
Motor - Sizing and Replacement considerations
Motor - Speed - Checking and Changing
Motor - Adding a start capacitor to a sluggish motor
OHM's Law - Use of the Pie Chart & Applications PDF
OHM's Law - What is OHM's Law? PDF
OHM's Law - Calculating Voltage PDF
OHM's Law - Calculating Watts PDF
OHM's Law - Calculating Amperes PDF
OHM's Law - Calculating Resistance PDF
OHM's Law - Definition of BTU PDF
OHM's Law - Converting BTU to Tons of Cooling PDF
OHM's Law - Converting Tons of Cooling to BTU PDF
OHM's Law - Converting Amps & Volts to Watts PDF
OHM's Law - Converting Amps & Resistance to Watts PDF
OHM's Law - Converting Resistance & Amps to Volts PDF
OHM's Law - Converting Volts & Resistance to Amps PDF
OHM's Law - Converting Watts & Amps to Volts PDF
OHM's Law - Converting Watts & Resistance to Amps PDF
Plenum Thermostat - Testing
Plenum Thermostat - Replacing
Pressure - Temperature Conversions
Pilot Generator - Definition
Refrigerants - Temperature - Pressure Charts
Refrigerants - Charging - How to determine if the Superheat or Subcooling method should be used PDF
Relay - Testing PDF
Resistance - Calculating Resistance using the OHM's Law Wheel PDF

Resistance - Calculating Resistance through testing 
Resistance - Calculating the Resistance of a Parallel Circuit PDF
Resistance - Calculating the Resistance of a Series Circuit PDF
Resistive Loads - Explanation PDF
Reversing Valve - Replacement
Reversing Valve - Solenoid Testing and Replacement
Reversing Valve - Troubleshooting
Sail Switch - Air Proving Switch - Testing
Sail Switch - Air Proving Switch - Troubleshooting & Replacement
Start Capacitor - Overview & Installation
System Operating Diagnostic
Subcooling - Definition PDF
Subcooling - Charging
Superheat - Definition PDF
Superheat - Charging
SuperHeat or SubCooling? PDF
Temperature - Converting Fahrenheit to Celsius PDF
Temperature - Converting Celsius to Fahrenheit PDF
Temperature - Pressure Conversions
Thermistor - Overview & Installation
Thermocouple - Replacement
Thermocouple - What & How PDF
Thermopile - Replacement
Thermopile - Definition
Thermostat - Identifying Broken Wires
Thermostat - Replacement
Thermostat - Selection
Thermostat - Troubleshooting
Transformers - Replacement
Transformers - Explanation of Voltage Amps PDF
TXV (TEV) - Troubleshooting and Replacing
TXV - SuperHeat or SubCooling? PDF
Voltage - Calculating Voltage using the OHM's Law Wheel PDF
Voltage - Calculating Voltage with an electric tester
Voltage - Testing PDF
Voltage - Converting Watts & Amps to Volts PDF
Voltage - Converting Resistance & Amps to Volts PDF
Watts - Calculating Watts using the OHM's Law Wheel PDF
Watts - Calculating Watts with an electric tester
Watts - Calculating Amps or Watts being used by a device
Watts - Converting Watts to Amps PDF
Watts - Converting Amps & Volts to Watts PDF
Watts - Converting Amps & Resistance to Watts PDF
Wet Bulb - Obtaining from Temp & Humidity
Wet Bulb - Scientific Explanation of Wet Bulb PDF
Wiring Schematic - Electric Heater PDF

 
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