Aralin 1Indoor unit mounting: placement heights, refrigerant line chase entry, drip tray orientationIpinaliliwanag ang tamang indoor unit positioning para sa comfort, service access, at drainage. Idinidetalye ang line set routing, wall penetrations, at drip tray orientation upang maiwasan ang leaks, noise, at future maintenance issues.
Piliin ang optimal wall at mounting heightMagplano ng refrigerant line chase at routingMag-drill at mag-seal ng wall penetrationsI-set at i-level ang indoor mounting plateI-orient at i-test ang condensate drip trayAralin 2Electrical connections, phase checks, at safety interlocks bago i-energizeIdinidetalye ang ligtas na electrical terminations, conductor sizing, at grounding. Kasama ang phase rotation checks, control wiring, at verification ng safety interlocks bago i-energize ang split system.
I-verify ang supply voltage at breaker sizeI-terminate ang power at ground conductorsIkonekta ang control at communication wiringSuriin ang phase rotation sa three-phase unitsI-test ang safety interlocks at fusesAralin 3Pag-dokumenta ng settings at pagbibigay ng basic operation notes sa ownerNakatuon sa pag-dokumenta ng final settings, control parameters, at test results. Maghahanda ka ng owner handover notes, basic operating instructions, at maintenance reminders para sa professional closeout.
I-record ang final control at timer settingsI-log ang pressures, temperatures, at testsLumikha ng basic user operation guideIpaliwanag ang filter cleaning at maintenanceKumuha ng owner sign-off at warranty docsAralin 4Vacuuming at evacuation: pump selection, target vacuum level, moisture removal proceduresGumagabay sa pump selection, hose setup, at pag-abot ng target vacuum. Binibigyang-diin ang deep evacuation, moisture removal, micron gauge use, at decay tests upang kumpirmahin ang system dryness at tightness.
Piliin ang appropriate vacuum pump sizeIkonekta ang hoses at core removal toolsHilahin ang vacuum sa target micron levelGumawa ng standing vacuum decay testKilalanin ang signs ng moisture o leaksAralin 5Leak detection at pressure testing: dry nitrogen pressure test, electronic leak detector useIpinaliliwanag kung paano i-pressurize gamit ang dry nitrogen, i-isolate ang sections, at i-monitor ang pressure decay. Matututo sa ligtas na regulator use, soap solution techniques, at electronic leak detector application.
I-set up ang nitrogen cylinder at regulatorI-pressurize ang system sa test pressure limitsSuriin ang joints gamit ang soap solutionTamang paggamit ng electronic leak detectorI-record ang test pressure at durationAralin 6Wall bracket at mounting frame installation: leveling, anchor selection para sa masonry o stud wallsIdinidetalye kung paano mag-install ng wall brackets at frames para sa secure support. Nakatuon sa leveling, anchor choice para sa masonry o stud walls, load paths, corrosion protection, at pag-verify ng pull-out resistance at stability.
Suriin ang wall type at load capacityPiliin ang anchors para sa masonry o studsMarka, mag-drill, at linisin ang anchor holesI-level ang brackets at i-tighten ang fastenersI-verify ang bracket alignment at rigidityAralin 7Start-up sequence at commissioning checks: superheat/subcooling measurement, stable temperature verification, drainage test, noise at vibration checksNaglalakad sa initial start-up, kabilang ang mode selection, superheat at subcooling checks, at temperature stability. Kasama rin ang condensate drainage tests, noise, at vibration evaluation.
Sundin ang manufacturer start-up sequenceSukatin ang superheat at subcoolingI-verify ang supply at return temperaturesI-test ang condensate drainage performanceSuriin ang operating noise at vibrationAralin 8Site preparation at pre-installation checks: tools, permits, clearances, materials checklistTinutukan ang site readiness bago magsimula ang trabaho, kabilang ang tool selection, permit verification, at ligtas na clearances. Magbu-build ka rin ng materials checklist upang maiwasan ang delays at tiyakin ang code-compliant, efficient installation.
I-verify ang site access at work area safetyKumpirmahin ang permits, codes, at utility locationsSuriin ang indoor at outdoor unit clearancesMaghanda ng complete tools at materials listI-inspect ang structure para sa mounting suitabilityAralin 9Outdoor unit installation: base pad o brackets sa exterior wall, anti-vibration pads, clearance at airflow clearance distancesInilalarawan ang outdoor unit placement sa pads o wall brackets, na may pansin sa clearances, airflow, vibration control, at service access. Kasama ang snow, flooding, at noise considerations para sa long-term reliability.
Piliin ang base pad o wall bracket systemI-set ang required service at airflow clearancesMag-install at i-position ang anti-vibration padsI-level ang unit at i-secure sa supportsMagplano para sa drainage, snow, at floodingAralin 10Refrigerant line installation: cutting, deburring, bending, flare vs brazing workflow, torque at sealing practicesTinutukan ang cutting, deburring, at bending ng copper lines nang hindi kinking. Ikumpara ang flaring at brazing workflows, torque values, at sealing practices upang tiyakin ang leak-free, code-compliant refrigerant piping.
Magsukat, mag-cut, at mag-deburr ng copper tubingGumamit ng bending tools upang maiwasan ang kinksMaghanda at bumuo ng accurate flaresMag-apply ng torque sa flare nuts nang tamaI-insulate at i-support ang line sets nang tamaAralin 11Pagbubukas ng service valves, refrigerant release procedure at handling ng captive refrigerant systemsIpinaliliwanag ang pagbubukas ng service valves at pag-release ng factory charge nang hindi nagdadala ng contaminants. Tinutukan ang captive refrigerant systems, valve stem handling, at pag-dokumenta ng final operating pressures.
Pagkilala ng service valves at capsTamang backseat at crack valvesLigtas na pag-release ng captive refrigerantSuriin ang leaks pagkatapos ng pagbubukas ng valvesI-record ang operating pressures at temps
