Learn how to read HVAC Electrical Wiring Diagrams. See the difference between a Schematic Wiring Diagram and a Pictorial Wiring Diagram. See how an electrical relay effects the line voltage portion of the wiring diagram using the low voltage portion of the wiring diagram.


ESTIMATING SPREADSHEETS

✅ #1 HVAC & Plumbing Estimating Spreadsheet: https://mepacademy.gumroad.com/l/AgJDH
✅ HVAC Estimating Spreadsheet: https://mepacademy.gumroad.com/l/fhxei
✅ Plumbing Estimating Spreadsheet: https://mepacademy.gumroad.com/l/bcdah
✅ Residential Estimating Spreadsheet: https://mepacademy.gumroad.com/l/tdwbh

CONSTRUCTION PROPOSAL TEMPLATE
✅ https://mepacademy.gumroad.com/l/pzxzwi

NEWSLETTER & YOUTUBE SUBSCRIBE
✅ Subscribe for more Videos like this: https://bit.ly/3J21zXL
✅ Signup for our FREE Engineering/Construction Newsletter: http://eepurl.com/hJGcTL

✅ Watch our most recent videos:    / mepacademy  

SOCIAL
⚙ MEP Academy Website https://mepacademy.com
⚙ Twitter   / mep_academy  
⚙ Facebook:   / mechanicaltrades  

IMPORTANT VIDEOS TO WATCH

HVAC ENGINEERING and CALCULATIONS
How to Calculate Motor Break Horsepower:    • How to Calculate Motor Brake Horsepower  
Fan Laws, Calculate CFM, SP, RPM, HP:    • Fan Laws How to Calculate CFM BHP SP RPM  
How to Calculate Static Pressure and CFM:    • How to Calculate Static Pressure and CFM  
Condensate Piping Design and Sizing:    • Condensate Piping Design and Sizing  
How do you define a BTU or Tons of AC:    • What is a BTU or Ton of Air Conditioning  
Sensible Heat Transfer Equation for Water:    • Sensible Heat Transfer Equation for W...  
Sensible Heat Transfer Equation for Air:    • Sensible Heat Transfer Equation for Air  
Sensible and Latent Heat Transfer Formula for Air:    • Sensible and Latent Heat Transfer For...  

CHILLERS and COOLING TOWERS
How Chillers Work, AirCooled & WaterCooled:    • How Air and Water Cooled Chillers Work  
Chiller IPLV Calculation:    • Chiller IPLV Calculation  
Calculate Total BTU of Chiller or Coil:    • How to Calculate Total BTUH of a Chil...  
Calculate GPM or TDH of Chiller or Coil:    • How to calculate GPM or TDH for a Coi...  
How Cooling Towers Work, Crossflow vs Counterflow:    • How Cooling Towers Work Counterflow v...  

REFRIGERATION and REFRIGERANTS
How Electronic Expansion Valves Work:    • How Electronic Expansion Valves Work  
Refrigeration Cycle:    • Refrigeration Cycle 101  
Refrigerant Piping Insulation:    • Refrigerant Piping Insulation Require...  
New Refrigerants, Codes and Standards:    • New Refrigerants Codes and Standards  

HVAC SYSTEMS
How a Variable Air Volume System Works:    • How a Variable Air Volume VAV System ...  
Rooftop Packaged HVAC Units Explained:    • Rooftop Packaged HVAC Units Explained  
How Heat Pumps Work:    • How Heat Pumps Work Air and Water Cooled  
How a Condensing Boiler Works:    • How a Condensing Boiler Works  

ESTIMATING
HVAC Piping Unit Pricing:    • HVAC Piping Unit Pricing  
HVAC Equipment Cost Database:    • HVAC Equipment Cost Database  
MEP Estimating Spreadsheet:    • HVAC and Plumbing Construction Estima...  
Construction Labor Rates with Burden:    • How to Figure Construction Labor Rate...  

HYDRONICS and PIPING
How to Read Pump Chart and Select Pump:    • How to Read Pump Chart and Select Pump  

BUSINESS – CONSTRUCTION & CONTRACTING
Bid Bonds and Performance Bonds:    • Construction Bid Bond with Performanc...  
Top 3 Things to Know Before Bidding Commercial Projects:    • Top 3 Things to Know Before Bidding C...  
Top 12 Construction Bidding Websites:    • Top 12 Construction Bidding Websites  

CONSTRUCTION BASICS
General Layout of Construction Drawings:    • General Layout of Construction Drawings  
How to Read Specifications:    • How to Read Construction Specifications  

ELECTRICAL and CONTROLS
⚡How Variable Frequency Drives Work in HVAC Systems:    • How Variable Frequency Drives Work in...  
⚡How a Power Factor Works:    • How a Power Factor Works  
⚡Ohms Law:    • Ohm's Law  
⚡3Phase Electricity – How it Works:    • 3 Phase Electricity How it Works  

VARIABLE REFRIGERANT FLOW
VRF Videos:    / @vrfwizard  

#MEPAcademy #HVAC #Engineering