Prerequisite: HVAC1461. Application of servicing and troubleshooting residential and light commercial HVAC/R equipment, both mechanically and electrically. Emphasis is placed on the "hands-on" use of service instruments from the Carrier Corporation Manual, HVAC Servicing Procedures. Additionally, creating electrical ladder (schematics) and wiring training panels and troubleshooting fault simulators will be emphasized. Troubleshooting actual units brought into the shop and service calls off campus will be included as practical.