© 2004 Refrigeration Training Services - Refrigeration Categories v1.1 E1 – Electrical Fundamentals Subject 1 – Atoms and Electrons, Ohms Law, Resistance Click above to start at the beginning of “Atoms and Electrons, Ohms Law, Resistance” “Pick and Click” below to go directly to a category Atoms and molecules (2-8) Conductors (9-12) Ohm's Law (13 -17) Ohm's Law Examples (18-20) Ohm's Law Disc (21-24) Calculating Electrical Power Examples (25-28) Ohm's Law Wheel (29-30) Resistance & Loads with Bridge Crossing (31-39) © 2005 Refrigeration Training Services - Electrical Categories v1.0 © 2004 Refrigeration Training Services No reproduction or unauthorized use allowed

E1 – Electrical Fundamentals Subject 2 – AC and DC Current Click above to start at the beginning of “AC and DC Current” "Pick and Click" below to go directly to a category Direct Current (2-3) Alternating Current (4-7) Generating Alternating Current (8-9) Expressing AC with a Sine Wave (10-13) Generating 3Ø Alternating Current (14-17) Inductance & Reactance (18-21) © 2005 Refrigeration Training Services - Electrical Categories v1.0

© 2005 Refrigeration Training Services - Electrical Categories v1.0 E1 – Electrical Fundamentals Subject 3 – Meters, Circuits, Loads & Switches Click above to start at the beginning of “Meters, Circuits, Loads & Switches” "Pick and Click" below to go directly to a category Meter Types Intro (2) Voltmeters (3-4) Ohmmeters (5-10) Ammeters (Amp Meters) (11-14) Determining Circuit Resistance (15-16) Series Circuits (17-28) Parallel Circuits (29-44) Simple Diagram of Parallel Circuits (45-46) Diagram Development (47-52) © 2005 Refrigeration Training Services - Electrical Categories v1.0

E1 – Electrical Fundamentals Subject 4 – Symbols and Wiring Diagrams Click above to start at the beginning of “Symbols and Wiring Diagrams” "Pick and Click" below to go directly to a category Electrical Loads (2-7) Contactors (8-12) Relays (13-16) Introduction to switches (17-21) Thermostats (22-24) Pressure Controls (25-28) Fuses and Overloads (29-30) Introduction to Wiring Diagrams (31-34) Schematic Diagrams (35-40) HVACR Industry Standards for Electrical Diagrams (41-44) Reading wiring diagrams (45-57) © 2005 Refrigeration Training Services - Electrical Categories v1.0

E2 – Motors and Motor Starting Subject 1 – Fan Motors Click above to start at the beginning of “Fan Motors” "Pick and Click" below to go directly to a category Basic Electric Motors (2-5) Motor Starting (6-8) Shaded-Pole Motors (9-13) Changing Motor Rotation (14-18) Multi-speed Shaded-Pole Motors (19-20) Split Phase Motors (21-25) Fan Motor with Centrifugal Switch (26-29) Permanent Split Capacitor Motors (30-34) Motor Speeds (35-39) Multi-Speed Split Phase Motors (40-46) Three Phase Motors (47-51) Describing Common Motors (52-62) Motor Nameplates (63-66) © 2005 Refrigeration Training Services - Electrical Categories v1.0

© 2005 Refrigeration Training Services - Electrical Categories v1.0 E2 – Motors and Motor Starting Subject 2 – Compressor Relays and Capacitors Click above to start at the beginning of “Compressor Relays and Capacitors” "Pick and Click" below to go directly to a category Single Phase Compressor Starting (2-5) Start Relays (6-10) Current Relays (11-14) Split Phase Motor with Current Relay (15) How a Current Relay Works (16-19) Adding a Start Capacitor (20-23) Terminal box on a small compressor (24-27) Two-wire Overload (28-29) Potential Relays (30-35) Potential Relay Capacitor Start Induction Run (CSIR) Motor (36-37) Potential Relay Capacitor Start-Capacitor Run (CSCR) Motor (38-40) Run Capacitors on PSC Compressors (41-43) PTC Relays (44-49) “Hard Start” Kits (50-55) Solid State Potential Relays (56-59) Solid State Current Relay Kits (60-66) © 2005 Refrigeration Training Services - Electrical Categories v1.0

© 2005 Refrigeration Training Services - Electrical Categories v1.0 E2 – Motors and Motor Starting Subject 3 – Contactors and Motor Starters Click above to start at the beginning of “Contactors and Motor Starters” "Pick and Click" below to go directly to a category Symbols for Contactors (3-6) Contactor Operation (7-10) Contactor Troubleshooting (11-16) Motor Starters (17-19) © 2005 Refrigeration Training Services - Electrical Categories v1.0

E2 – Motors and Motor Starting Subject 4 – Troubleshooting Motors © 2004 Refrigeration Training Services - Refrigeration Categories v1.1 E2 – Motors and Motor Starting Subject 4 – Troubleshooting Motors Click above to start at the beginning of “Troubleshooting Motors” "Pick and Click" below to go directly to a category 1Ø Motor Checks (4-6) 3Ø Motor Checks (7-12) Open Windings (13-14) Shorted Windings (15-16) Windings Shorted to Ground (17-18) Checking Fuses with Power On (19-20) Motor Tries to Start (21) Motor Runs with High Amps (22) Checking a Run Capacitor (23-24) Run Capacitors in Parallel & Series (25-27) Checking a Start Capacitor (28-30) Potential Relay Troubleshooting (31) Current Relay Troubleshooting (32) PTC Relay Troubleshooting (33) Using Jumper Wires (34-35) Fan Blades (36-42) What can a Fan Blade Tell You? (43) © 2005 Refrigeration Training Services - Electrical Categories v1.0 © 2004 Refrigeration Training Services No reproduction or unauthorized use allowed

E3 – Controls and Devices Subject 1 – Thermostats and Heating Controls Click above to start at the beginning of “Thermostats and Heating Controls” "Pick and Click" below to go directly to a category Line Voltage Thermostats (2-6) High Voltage / Low Voltage Circuits (7-8) Honeywell Subbase (9-12) Thermostat and Subbase (13-14) Anticipators (15-18) Basic Gas Heating Controls (19-21) Gas Furnace Direct Ignition (22-25) Electric Heating Controls (26-28) Thermostat (T/S) Troubleshooting Chart (29) Thermostat (T/S) Troubleshooting Chart (No animation) (30) © 2005 Refrigeration Training Services - Electrical Categories v1.0

© 2005 Refrigeration Training Services - Electrical Categories v1.0 E3 – Controls and Devices Subject 2 – Relays, Refrigeration Controls & Timers Click above to start at the beginning of “Relays, Refrigeration Controls & Timers” "Pick and Click" below to go directly to a category Understanding Relay Terminology (2) Contacts (3-4) Poles (5-6) Throw (7-8) Normal Position (9-10) Relay Arrangements (11-15) General Purpose Relay (16-20) Commercial Refrigeration Controls (21) Solenoid Valve Operation (22-25) Common Time Clock (26-29) Freezer Defrost (30-37) Wiring Diagram for W/I Freezer (38-42) Pressure Switches (43-47) Oil Pressure Safety Control (48-51) Crankcase Heaters (52-56) Time Delays (57-60) Heat Pump Defrost (61-62) © 2005 Refrigeration Training Services - Electrical Categories v1.0

© 2005 Refrigeration Training Services - Electrical Categories v1.0 E4 – HVACR Electrical Installation Subject 1 – Power Distribution, Delta & Wye Systems Click above to start at the beginning of “Power Distribution, Delta & Wye Systems” "Pick and Click" below to go directly to a category Electrical Distribution (2) Power at the Pole (3-5) Underground Service Transformer (6-8) Residential Single Phase Power (9-10) Electrical Panel - Good Workmanship (11-12) Wye Wiring (13-14) Delta Wiring (15-16) © 2005 Refrigeration Training Services - Electrical Categories v1.0

E4 – HVACR Electrical Installation Subject 2 – Wire Sizing and Materials Click above to start at the beginning of “Wire Sizing and Materials” "Pick and Click" below to go directly to a category AMPACITY (2-3) Wire Sizing (4-5) Wire Marking (6) Some Examples of Wiring Materials (7-12) Unit Data Plate Info (13-15) Wire and Circuit Breaker Sizing for Motor Loads (16) © 2005 Refrigeration Training Services - Electrical Categories v1.0

© 2005 Refrigeration Training Services - Electrical Categories v1.0 E4 – HVACR Electrical Installation Subject 3 – Circuit Breakers, Disconnects and Fuses Click above to start at the beginning of “Circuit Breakers, Disconnects and Fuses” "Pick and Click" below to go directly to a category HVAC Installation (2-3) Single Phase Electric Panel (4-5) Disconnects (6-10) © 2005 Refrigeration Training Services - Electrical Categories v1.0