4:26
Wiring an Outdoor Condenser! What each of the Wires is For, How it Works!
AC Service Tech LLC
7:14
Thermostat Wiring & Replacement- Colors, Terminal Letters, How it Works!
9:25
Understanding and Wiring Heat Pump Thermostats with AUX & Em. Heat! Terminals, Colors, Functions!
15:52
Wiring a Heat Pump Thermostat to the Air Handler and Outdoor Unit! Functions, Terminals, Colors!
15:24
Wiring a Thermostat, Furnace, and Heat Pump for Dual Fuel Hybrid Heat!
6:04
Installation and Wiring of a 24v Low Voltage Thermostat! Step By Step!
3:21
Wiring a Single 24v Thermostat to Control Two HVAC Systems- Heater and Air Conditioner
4:56
HVAC Installation Training Basics for Condensate Safety Switches, Low Voltage Wiring, Drain Trap!
17:49
Reading HVAC Electrical Wiring Diagrams for Troubleshooting!
8:39
Bypass the HVAC Thermostat for Testing of Furnace and AC Units!
15:02
Furnace and AC Fan Not Working! Troubleshoot the Fan Control
8:56
Thermostat, Furnace, AC not Working- Troubleshooting Bad Tstat Wiring and Blown 24v Fuse
11:46
Thermostat Blank Not Working- Simple Diagnosis!
5:58
Contactors Explained and Tested: Wiring, Troubleshooting, Problems, Ratings, and Visual Power Up!
6:15
4 Wire and 3 Wire CONDENSER FAN MOTOR WIRING! How to Eliminate 2 Run Capacitors!
14:08
Tutorial on HVAC Electrical Disconnects-Troubleshooting, Fuse Size, Non-Fused and Fused Application!
4:59
Taco Zone Valve Wiring, Voltage and water flow Tested and Proved.The Water in the top falls Through!
5:48
Taco Zone Valve Relay Control! Explained, Thermostat Wiring, Zone Valve Wiring, Circulator Control!
10:56
Testing, Wiring, Taco Sentry Zone Valve! How it Works, Comparison, Explained!
22:20
Replacement of 2 Thermostats with 1 New One!- Detailed Heat and AC Tstat Wiring Installation!
13:14
Top 12 Problems/Mistakes when Installing or Replacing Thermostats! HVAC Tips!
11:09
HVAC Electrical Troubleshooting! How to Find a Low Voltage Short!
10:37
Testing With Each Function of the UEI Multimeter! UEI DL479 Review!
9:23
How to Test a Heat Pump Thermostat!
3:05
How to Bypass/Jump a Heat Pump Thermostat! 6 Wiring Combinations!
8:07
ECM X13 Blower Motor Troubleshooting!
4:30
Testing ECM Variable Speed Fan Motor, Make Your Own Tester!
3:11
How to Find Common, Start, and Run on a PSC Compressor Motor
11:29
Wiring a Mini Split System, Step by Step!
7:08
Test the THERMOSTAT with Jumpers!
5:15
How to WIRE, Light The Pilot, & POWER The Combination Gas Valve!
4:25
Troubleshooting the HVAC Potential Relay!
7:05
TOP 5 CONTACTOR Troubleshooting Problems!
5:00
Wiring The Thermostat, Boiler, and Air Handler
2:54
750 Millivolt Gas Valve, Thermopile Wiring & Wiring Diagram!
19:13
How HVAC Refrigerant Pressure Switches Work & Troubleshooting!
Thermostat Wiring Diagrams! 10 Most Common!
9:34
Heat Pump Thermostat Wiring Explained! Colors, Terminals, Functions, Circuit Path!
7:48
PTC Compressor Start Assist, How It Works, Testing!
8:32
How The Compressor Current Starting Relay Works & Troubleshooting
5:39
Thermostat Wiring to a Furnace and AC Unit! Color Code, How it Works, Diagram!
16:22
HVAC Thermal Limit Switches, Safety Sensors, & Troubleshooting!
19:16
Top 10 Thermostat Related Problems! Heat and AC!
16:40
ECM Multi-Speed Blower Motor Troubleshooting!
5:01
Air Handler Control Board Operation and Troubleshooting!
15:39
Air Handler with Electric Strip Heating: Operation and Troubleshooting!
7:13
HVAC Current Sensing Relay Operation and Troubleshooting!
19:29
How an Air Handler & Heat Pump Work & are Controlled by 24v Thermostat Wires!
14:48
How to Read a Heat Pump WIRING DIAGRAM! Schematic & Connection!
11:42
Finding Low Voltage Shorts Fast! HVAC Troubleshooting!
10:44
Air Handler Fan Delay Board! Explained & Tested!
12:05
How an Air Handler WITHOUT a Control Board Works! AC and Heat Pumps!
7:43
Air Handler Not Working! Diagnosing an Electrical Power Problem!
9:17
How the Blower/Fan Relays on a Furnace Control Board Work!
7:55
How Defrost Works on a Heat Pump! Explained Step by Step!
5:29
HVAC Electrical Switch Types Explained: SPST, SPDT, DPST, DPDT, TPST, TPDT
21:55
Teaching HVAC ELECTRICAL Wiring, Components, Troubleshooting to Students using a Training Board!
5:45
Refrigerant Compressor Diagnosis on an Air Conditioner!
13:09
Mini Split Failure from Electrical Surges, High and Low Voltage! HOW TO SOLVE IT!
26:04
Electrical Troubleshooting! Finding 8 Electrical Faults!
16:55
How to Fish THERMOSTAT WIRE Up or Down a Finished Wall! Install Methods!
17:26
Troubleshooting all HVAC CIRCUIT BOARDS! Methodology and Procedures Used in the Field!
7:37
Teaching Thermostat Functions to New HVAC Techs and Students!
13:50
Taco 6 ZONE Switching Relay Control Panel for Circulator Pumps on a Boiler! Wiring, Functions, Demo
16:34
Electric Expansion Valve (EEV) Operation and Testing! HVAC Metering Device Training!
20:17
HVAC Master License Continuing Education Class on Mini Split Heat Pumps! "BTrained Event"
9:33
R410A Refrigerant Charge Level Measurements on Air Conditioners! Walkthrough and Practice!
10:34
Installing an HVAC Supply Register Airtec in the Ceiling! Cutting the Hole, Connecting the Flex Duct
0:59
Installing Surge Protection at the Electrical Disconnect Box! Pass Code! Protect the HVAC Unit!
10:23
HVAC Multimeter Basics: Measuring Electrical Resistance vs Continuity! Testing and Tips!
3:43
Is There Really 170 Volts Instead of 120V at The Receptacle?! I Use a Capacitor to Prove This!
0:45
Ice Cube Relay Operation! HVAC Training!
17:08
Gas Furnace Training! Integrated Furnace Control (IFC) Circuit Board with ECM Motor & Wiring Diagram