Skilled trades

HVAC equipment electrical — schematics, transformers, contactors, motors, and call paths.

Intermediate · 12 weeks · self-paced · The PATG Group

Twelve-week HVAC-equipment electrical course — LOTO/meters, power vs control, transformers, contactors, motors/capacitors, schematics, and thermostat call paths. Distinct from Electrical Fundamentals (Electrical family). Included with All Access.

12 weeks with autograded assessments. Included with All Access. Finish to lock completion and keep a printable certificate.

What you'll learn

• Apply LOTO and category-rated meter habits on HVAC equipment
• Separate power circuits from ~24 VAC control circuits
• Trace transformers, relays/contactors, and thermostat call paths
• Service PSC capacitor and motor electrical basics safely
• Read ladder/pictorial schematics with a measure-then-conclude method

Course content

12 sections

1. Week 1 Electrical safety, LOTO, and meter habits for HVAC
2. Week 2 Power circuits vs control circuits on HVAC equipment
3. Week 3 Control transformers, VA sizing, and primary fusing
4. Week 4 Relays, contactors, and pilot-duty loads
5. Week 5 Motors in HVAC — PSC, start assists, and ECM awareness
6. Week 6 Capacitors, overload, and overcurrent protection
7. Week 7 Ladder and pictorial schematics — HVAC reading method
8. Week 8 Midterm — HVAC electrical fundamentals
9. Week 9 Thermostat and low-voltage call paths (depth)
10. Week 10 Outdoor units, packages, and line-voltage habits
11. Week 11 Planted electrical faults and board / component habits
12. Week 12 Scenario final and documentation closeout