Lesson 1Pre-installation checklist: documentation, tools, manufacturer manuals, PPE, and pre-job safety briefingThis part goes through job prep, reviewing plans and guides, checking permits, getting tools and bits, looking at safety gear, and doing a full safety and job talk with team.
Review load calculations and equipment dataConfirm permits, codes, and inspection needsVerify tools, instruments, and consumablesCheck PPE condition and jobsite accessConduct pre-job safety and task briefingLesson 2System integration and controls wiring: thermostat types, communication wiring, zoning considerations, and heat pump mode configurationThis part covers linking heat pump to stats, zone boards, and air handlers, with low-power wiring, talk lines, control juice, and right setup for heat, cool, and extra heat modes.
Thermostat selection and compatibility checksLow-voltage wiring diagrams and labelingCommunicating controls and bus topologiesZoning panel setup and damper controlHeat pump mode, staging, and lockout setupLesson 3Refrigerant procedures: evacuation steps, vacuum hold test, leak testing methods (nitrogen pressure, electronic detectors), and charging per manufacturer superheat/subcool targetsThis part explains good pull-out, deep vacuum aims, hold tests, nitrogen cleans, leak finds, and fill steps following maker superheat or subcool specs and weather.
Manifold, hoses, and core removal setupDeep vacuum targets and decay testingNitrogen pressure testing and safetyElectronic and bubble leak detectionCharging by weight, superheat, or subcoolLesson 4Line set fabrication and routing: choosing tubing size, brazing technique, leak prevention, vacuuming protocols, and insulation selectionThis part details picking right line set size and stuff, path to dodge harm and noise, braze and nitrogen clean, pressure check, pull-out prep, and wrap to stop sweat and loss.
Sizing suction and liquid lines from chartsPlanning routes, supports, and wall penetrationsBrazing joints with nitrogen purgeProtecting valves and components from heatInsulating and securing line sets correctlyLesson 5Indoor unit and air handler installation: mounting, service clearances, filter access, condensate pan and drain routingThis part focuses on fixing indoor units or air handlers, keeping service space, lining supply and return, fitting and sealing drip pans and drains, and easy filter setups.
Mounting methods and structural supportService clearances and access panelsDuct connections and sealing practicesCondensate pan slope and trap designCondensate drain routing and freeze protectionLesson 6Outdoor unit installation: site layout, pad placement, leveling, anchoring, required clearances, and airflow considerationsThis part shows picking and prepping outdoor spot, fitting and tying base, leveling and holding unit, and keeping right spaces and air paths for quiet, good, and fix-easy run.
Assess site, setbacks, and noise constraintsPad selection, placement, and anchoring methodsLeveling techniques and vibration isolationClearance requirements and airflow pathwaysSnow, ice, and debris protection strategiesLesson 7Start-up sequence and commissioning: airflow measurement, static pressure, temperature split checks, refrigerant pressures and temperatures, defrost verification, and safety interlocks testingThis part covers first start steps, checking air flow and pressure, temp split, noting refrigerant pressure and temp, sure defrost work, and test all safety locks.
Pre-start inspections and power checksAirflow measurement and static pressureTemperature split and capacity indicatorsRefrigerant pressures and line temperaturesDefrost, safeties, and documentationLesson 8Electrical installation: disconnect installation, breaker and conductor sizing per NEC, control wiring, grounding, surge protection, and conduit useThis part details high-power and control juice setup, breaker and wire size to NEC, disconnect spot, earth and bond, surge guard, and right pipe, bits, and labels.
Breaker and conductor sizing per NECOutdoor and indoor disconnect placementEquipment grounding and bonding pathsSurge protection device selectionConduit types, routing, and terminations
