Aralin 1Ligtas na Pagbaba ng Lumang Boiler at Radiators: Mechanical Fixing Removal, Pamamahala ng Lumang Materyales (corroded steel) at Temporary SupportsInilalarawan ang ligtas na isolation at dismantling ng lumang boilers at radiators, kabilang ang pag-suporta sa pipework, paghawak ng corroded components, at paghiwalay ng waste. Binibigyang-diin ang manual handling, dust control, at proteksyon ng finishes.
Pag-suporta sa pipework bago ang disconnectionPagbaba ng wall fixings at bracketsPaghawak ng corroded radiators at sludgeProtekisyon ng sahig at wall finishesPaghiwalay ng scrap metal at wasteAralin 2Radiator Installation at Valve Connections: Pipework Layout (surface laban sa concealed), Valve Orientation, Compression laban sa Soldered Joints, Supports at Wall FixingIpinaliliwanag kung paano magplano at mag-install ng radiator pipework, pumili ng angkop na jointing methods, i-orient ang valves nang tama, at maglagay ng proper support at fixing techniques upang matiyak ang reliable operation, tahimik na pagtakbo, at long-term durability ng system.
Surface laban sa concealed pipework routingValve orientation at flow directionCompression laban sa soldered joint selectionBracket positioning at wall anchorsPagpayag para sa expansion at movementAralin 3Flue Installation at Commissioning: Correct Flue Route, Sealing, Condensate Trap, at Flue Performance ChecksTinutukoy ang correct flue routing, terminal siting, at support, na may diin sa sealed joints, condensate management, at compliance checks. Ipinaliliwanag kung paano i-verify ang flue integrity, draft, at performance sa panahon ng commissioning at handover.
Pagpili ng compliant flue routeClearances sa openings at boundariesSealing ng joints at wall penetrationsCondensate trap at fall requirementsFlue integrity at draft verificationAralin 4Gas Connection at Testing: Sizing at Routing ng Gas Pipe, Torque at Fitting Standards, Pagperform ng Gas Tightness Test at Pag-dokumenta ng ResultsTinutukoy ang gas pipe sizing, routing, at support, correct use ng fittings at torque, at tightness testing. Kabilang ang pag-dokumenta ng results, paghawak ng test failures, at pagsisiguro sa compliance sa relevant gas safety standards.
Kalkulasyon ng gas pipe size at lossesRouting at pag-suporta ng gas pipeworkApproved fittings at torque valuesTightness at let-by test stepsPag-record at pag-interpret ng test dataAralin 5Boiler Siting at Mounting: Wall-Hung Bracket Installation, Clearances, Service Access, Condensate Trap at Correct FallInilalarawan ang pagpili ng angkop na boiler location, pag-fix ng wall brackets, pag-angat at pag-hang ng appliance, at pagpapanatili ng clearances. Tinutukoy ang condensate trap connection, pipe fall, at provision para sa future servicing at maintenance.
Pag-assess ng boiler location at clearancesPag-fix at pag-level ng wall bracketLigtas na pag-angat at pag-hang ng boilerRouting ng condensate na may correct fallPagpapanatili ng service access zonesAralin 6System Filling, Venting at Pressurization: Controlled Fill, Automatic Air Vents, Manual Venting Sequence, Setting ng System PressureIpinaliliwanag ang controlled system filling, paggamit ng automatic at manual air vents, correct venting sequence, at setting ng cold fill pressure. Kabilang ang mga checks para sa hidden air pockets at re-pressurization pagkatapos ng initial heat-up.
Pre-fill checks at valve positionsControlled filling rate at monitoringEpektibong paggamit ng automatic air ventsManual venting ng radiators at coilsSetting at pag-verify ng cold fill pressureAralin 7Documentation at Labeling: Pag-label ng Valves, Pagbibigay ng Operation Stickers, Pag-record ng Pressures, Serial Numbers, at Commissioning ReadingsIpinaliliwanag kung paano mag-label ng valves, circuits, at appliances, magbigay ng user-friendly operating stickers, at mag-record ng key data tulad ng pressures, serial numbers, at combustion results upang lumikha ng malinaw, auditable installation record.
Pag-label ng isolation at control valvesCircuit at radiator identification tagsUser operating at safety stickersPag-record ng serials at set pressuresPag-imbak ng commissioning certificatesAralin 8Isolation at Ligtas na Draining ng Existing System: Sequence upang I-isolate ang Gas, Tubig, Kuryente; Draining Procedures at Ligtas na Disposal ng TubigTinutukoy ang ligtas na isolation ng gas, tubig, at electrical supplies bago ang trabaho, stepwise draining ng heating circuits, pamamahala ng trapped water, at environmentally compliant disposal, habang pinipigilan ang pinsala sa ari-arian at existing components.
Pag-lock ng gas at pag-verify ng isolationPag-isolate ng cold feed at heating circuitsElectrical lockout at safe confirmationPag-locate at pagbubukas ng drain-off pointsPagkolekta at pag-dispose ng waste waterAralin 9Commissioning at First Fire: Purge Procedure para sa Air Removal, Low-Load Start, Checking ng Flow Temperatures at Return Temperatures, Flue Gas Analysis Basics at CO CheckGumagabay sa first firing ng boiler, kabilang ang purging ng hangin mula sa gas at water circuits, pag-start sa low load, at stabilizing ng temperatures. Ipinapakilala ang basic flue gas analysis, CO checks, at pag-dokumenta ng commissioning readings.
Filling, venting, at leak recheckGas purge at ignition sequenceLow-load warm-up at balancingPagsukat ng flow at return temperaturesBasic flue gas at CO checksAralin 10Pre-Work Checks at Preparations: Site Survey, Pag-locate ng Services, Permits, Notifications sa Gas Supplier/Authority Kung KinakailanganNakatuon sa pre-installation tasks, kabilang ang site survey, pag-identify ng hidden services, pag-assess ng ventilation at access, at pagkukumpirma ng permits o notifications. Tiniyak na ang trabaho ay maaaring magpatuloy nang ligtas, legal, at may minimal disruption.
Pag-review ng drawings at specificationsPag-locate ng gas, tubig, at cablesPag-assess ng ventilation at access routesPagkukumpirma ng permits at notificationsPagplano ng waste removal at storageAralin 11Plumbing at Hydraulic Connections: Flow/Return Connection, System Filling Loop, Fitting ng Expansion Vessel at Safety Valves, Integration ng Magnetic Filter at Non-Return ValveTinutugunan ang hydraulic connections sa boiler, kabilang ang flow at return, filling loop, expansion vessel, safety valves, filters, at check valves. Binibigyang-diin ang correct orientation, isolation, at service access para sa bawat component.
Pagkonekta ng primary flow at returnPag-install ng filling loop at isolationPag-mount ng expansion vessel nang tamaPag-fit ng safety valve at discharge pipePag-integrate ng filter at non-return valve
