Lesson 1Refrigerant handlin', recovery, an' environmental rules: safe chargin' ways, leak-checkin', recovery gear, refrigerant types an' GWPDis part covers safe handlin' a refrigerants 'fore startup, includin' cylinder storage, recovery steps, leak testin', pullin' vacuum, chargin' methods, an' followin' environmental an' record rules.
Refrigerant types, GWP, and labelingCylinder storage, transport, and safetyRecovery machines, hoses, and tanksLeak testing and evacuation planningCharging methods and documentationLesson 2Outdoor unit placin' an' mountin': clearances, vibration isolation, pad choices, flood an' snow t'ingsDis part explains how fi pick an' prep outdoor unit spots, makin' sure proper clearances, airflow, vibration control, an' protection from flood, snow, an' rubbish while meetin' maker instructions an' local code.
Manufacturer and code clearance requirementsAirflow, noise, and neighbor considerationsPads, stands, and wall brackets selectionVibration isolation and anchoring methodsFlood, snow, and debris protection designLesson 3Condensate handlin' an' overflow protection: main/backup drains, traps, condensate pumps, float switchesDis part explains how fi design solid condensate removal, includin' main an' backup drains, traps, slope, condensate pumps, overflow switches, an' code needs fi stop water damage an' bother calls.
Primary drain sizing and slope rulesSecondary drains and emergency pansTrap design, venting, and primingCondensate pump selection and layoutFloat switches and overflow shutoffLesson 4Refrigerant line set routin' an' pipin' best ways: routin', insulation, vapor trap, brazin' an' flare t'ingsDis part explains best ways fi routin' an' installin' refrigerant line sets, includin' support gaps, insulation, traps, slope, brazin' or flarin' methods, an' plans fi cut pressure drop an' stop future leaks.
Planning line paths and wall penetrationsLine support spacing and protectionInsulation thickness and UV protectionBrazing, purging, and nitrogen useFlare fittings, torque, and leak risksLesson 5Indoor equipment placin': air handler/coil mountin', mini-split indoor head spots, condensate drain routin'Dis part deals wid indoor equipment placin', includin' air handler an' coil mountin', mini-split head spots, service clearances, airflow patterns, noise worries, an' routin' condensate drains to good disposal points.
Air handler and coil mounting optionsReturn and supply airflow considerationsMini-split head height and wall placementService access and noise mitigationCondensate drain routing constraintsLesson 6Pre-install check: checkin' existin' ductwork, attic/utility setup, refrigerant access, an' structure limitsDis part covers how fi check di existin' structure 'fore install, includin' ductwork state, attic or utility spaces, refrigerant line paths, an' framin' or access limits dat affect equipment sizin', routin', an' labour plannin'.
Documenting existing HVAC and electricalDuct leakage, sizing, and insulation checksAttic, crawlspace, and utility access reviewRefrigerant line routing feasibility surveyStructural and penetrations constraints reviewLesson 7Tools, riggin', an' liftin': safe handlin' a outdoor units, use a lifts or hoists, vehicle an' site access plannin'Dis part details di tools an' riggin' methods needed fi move an' place equipment safe, includin' dollies, straps, hoists, cranes, an' plannin' site access fi avoid property damage an' personal hurt.
Pre-job tool and equipment checklistSafe manual handling and team liftsUse of dollies, ramps, and stair climbersRigging with hoists, cranes, and slingsVehicle access and site protection plansLesson 8Electrical an' control needs: disconnects, breaker sizin', wire gauge, ground-fault protection, t'ermostats wirin' an' controlsDis part details electrical an' control needs fi heat pumps, includin' service sizin', breaker an' wire pickin', disconnect placin', groundin', GFCI or AFCI needs, an' t'ermostats or control wirin' layout an' labellin'.
Load calculations and panel capacity checkBreaker sizing and wire gauge selectionDisconnect location and mounting rulesGrounding, bonding, and GFCI or AFCIThermostat and control wiring planningLesson 9Key safety precautions: electrical safety, refrigerant exposure an' PPE, safe brazin' ways, fall protection, lockout/tagoutDis part focuses on main safety steps durin' prep an' install, coverin' electrical dangers, refrigerant exposure, PPE pickin', safe brazin' an' hot work, fall protection, an' lockout or tagout on live systems.
Job hazard analysis and safety briefingElectrical shock and arc flash controlsRefrigerant exposure and ventilationSafe brazing, fire watch, and permitsFall protection and lockout or tagout