Kubwa ya masa ya frigo mpi tiya ya frigo ya absorption ya RV¶

Modern household refrigerators, chest freezers, and recreational vehicle (RV) or off-grid cabin absorption refrigerators rely on sealed, pressurized chemical cooling loops that present two distinct, severe emergencies when a line ruptures or a compressor overheats: flammable hydrocarbon vapor ignition (R600a isobutane) in domestic kitchen units, and toxic anhydrous ammonia (\(NH_3\)) / pressurized hydrogen gas (\(H_2\)) boiler fires in RV and camper absorption units. Over the past decade, global environmental treaties phasing out high-global-warming hydrofluorocarbons (such as R134a) have transitioned nearly all newly manufactured domestic refrigerators and wine coolers to R600a (isobutane) or R290 (propane), which are Class A3 highly flammable hydrocarbon refrigerants.

While the total refrigerant charge inside a household R600a refrigerator is small (typically 40 to 80 grams / 1.4 to 2.8 ounces), puncturing the aluminum evaporator tubing inside an enclosed freezer compartment with a knife while chipping away ice releases a dense pocket of explosive isobutane gas that can flash-ignite from the refrigerator's door light switch, defrost heater, or a nearby gas stove. Even more dangerously, propane- and AC-powered ammonia-water-hydrogen absorption refrigerators installed in millions of RVs, fifth-wheels, boats, and off-grid cabins contain high-pressure hydrogen gas alongside toxic ammonia and yellow sodium chromate corrosion inhibitor. When a steel boiler weld cracks at the back of an RV fridge, escaping hydrogen gas ignites into an intense blowtorch fire inside the RV wall cavity. This comprehensive guide covers refrigerant leak identification, explosion-free ventilation, compressor PTC relay fire isolation, and RV absorption cooling unit emergency shutdown.

Sala yo sesepi¶

If you hear a loud hissing sound from your refrigerator, smell a sharp chemical or rotten-ammonia odor, see yellow-green powder behind an RV fridge, or smell acrid electrical smoke from the lower compressor bay, execute these six steps immediately:

1. Do not flip electrical switches, light matches, or unplug a hissing refrigerator directly: If an R600a (isobutane) or R290 (propane) evaporator coil was just punctured or is actively hissing gas, pulling the electrical plug out of the wall outlet behind the fridge or flipping a room light switch draws a tiny blue electrical arc that can detonate the heavier-than-air gas pocket pooled on the floor.
2. Extinguish any nearby open flames and open windows and exterior doors wide: If a gas stovetop burner, oven pilot, or candle is burning in the kitchen, turn the gas burner dial off immediately only if the stove is more than 2 meters (6.5 feet) away from the fridge, and open exterior doors and windows to create cross-ventilation at floor level.
3. Evacuate the RV or room immediately if you smell stinging ammonia: If an RV, camper, or off-grid absorption refrigerator releases a suffocating, eye-watering, pungent ammonia smell, get every person and pet outside into fresh upwind air immediately. Anhydrous ammonia vapors rapidly burn the respiratory tract and indicate a pressurized hydrogen-ammonia cooling unit rupture.
4. Shut off the exterior LP propane tank valve and main AC/DC breakers on an RV: From outside the RV or house, close the main liquid propane cylinder handwheel valve clockwise, disconnect shore power (or flip the main circuit breaker at a distant panel), and turn off the 12-volt DC battery disconnect switch so the RV fridge heating element and gas burner are completely dead.
5. Never touch yellow-green crystalline powder behind an RV fridge with bare hands: If a ruptured RV cooling unit leaves bright yellow or yellowish-green crust around the rear exterior access vent, do not brush or vacuum it. That powder is hexavalent sodium chromate, a toxic and carcinogenic chemical additive that causes severe chemical skin burns and lung damage if inhaled.
6. Call emergency dispatch if smoke, fire, or respiratory distress occurs: If acrid black smoke is rising from behind any refrigerator, or if anyone inhaled concentrated ammonia gas or chemical smoke, evacuate the structure, close the door behind you, and call your local nimero ya urgence (911 in the United States and Canada, 112 across the European Union, 999 in the United Kingdom) from outside.

Tactical decision tree for refrigerator leaks, smoke, and RV fridge fires¶

Use this operational decision tree to identify what type of refrigerant or electrical failure is occurring and execute the exact non-sparking containment protocol.

flowchart TD
    Start["Refrigerator Hissing, Chemical Odor, Smoke, or Cooling Failure"] --> UnitType{"1. Is it a standard home compressor fridge or an RV / off-grid absorption fridge?"}

    UnitType -->|"Home / Garage Compressor Fridge"| HomeSymptom{"2. What symptom is present?"}
    UnitType -->|"RV / Camper / Boat Absorption Fridge"| RVSymptom{"3. What symptom is present?"}

    HomeSymptom -->|"Hissing sound, punctured freezer tube, or oily mist"| R600a["Suspect Flammable R600a (Isobutane) or R134a Leak"]
    HomeSymptom -->|"Clicking every 2 mins + acrid electrical burning smell"| PTCRelay["Overheated Compressor or Failed PTC Starter Relay Fire Risk"]

    R600a --> NoSpark["Do NOT Unplug Behind Fridge or Flip Nearby Switches; Open Windows Wide"]
    NoSpark --> DistantBreaker["Shut Off Kitchen Circuit Breaker at Distant Main Panel Only If Outside Vapor Zone"]
    DistantBreaker --> AirOut["Let Room Ventilate for 30 Mins; Discard Contaminated Open Food"]

    PTCRelay --> KillPower["Flip Kitchen Breaker to OFF at Main Panel Immediately; Keep Fridge Door Closed"]
    KillPower --> SmokeCheck{"Are flames or heavy black smoke emerging?"}
    SmokeCheck -->|"Yes: Active fire"| Evac911["Evacuate Building Immediately; Close Kitchen Door; Call 911 / 112 / 999"]
    SmokeCheck -->|"No: Smoldering relay only"| InspectTech["Leave Breaker OFF; Call Appliance Technician to Replace PTC Relay & Check Coils"]

    RVSymptom -->|"Pungent ammonia smell, hissing, or yellow-green powder"| AmmoniaLeak["Ruptured Ammonia-Hydrogen Boiler Tube (High Fire & Toxicity Risk)"]
    RVSymptom -->|"Black smoke or flames from rear exterior RV fridge vent"| RVFire["Active Hydrogen / Polyurethane Insulation Fire"]

    AmmoniaLeak --> EvacRV["Evacuate All Occupants & Pets Outside Upwind Immediately"]
    EvacRV --> ShutPropane["Close Exterior Propane Tank Valve + Disconnect External Shore Power"]
    ShutPropane --> NoTouchYellow["Do NOT Touch Yellow Sodium Chromate Powder; Replace Entire Cooling Unit"]

    RVFire --> Evac911

Matrice ya kigonsa ya refrigerant: R600a vs. R134a vs. R12 vs.¶

Before taking action after a cooling line leak, identify which chemical refrigerant your appliance uses. Every refrigerator has a silver or white manufacturer data plate sticker located either inside the fresh-food compartment on the upper side wall, behind the lower crisper drawer, or on the exterior rear metal panel.

WHERE TO FIND THE YELLOW R600a FLAMMABLE REFRIGERANT WARNING LABEL:
   +-----------------------------------+
   |  [Freezer Compartment]            |
   |  * Never chip ice with a knife    |
   +-----------------------------------+
   |  [Fresh Food Compartment]         |
   |   +-------------+                 |
   |   | DATA PLATE  | <-- Check side wall for "Refrigerant: R600a (Isobutane)"
   |   |  / \ Flame  |     and the Yellow Triangle Flammable Gas Warning Symbol
   |   | / * \ R600a |
   |   +-------------+                 |
   +-----------------------------------+

Kubasika ya masa ya R600a (isobutane) ya nzo: kubuyisa tiya ya masa mpi bigonsa ya lubungi ya mafuta¶

Kana frigo ya bilumbu yai yina ke nataka R600a (isobutane) me kutana ti mpasi sambu bobine ya evaporateur me tobuka na kati ya congelateur to sambu bo me pasuka na nsinga ya kwivre yina kele na baie mecanique ya nima ya nsi, bima zole ke basikaka na kisika yina bo me tobula na mbala mosi: gaz lubrifiant d’isobutane à pression mpi **mafuta ya atome / mafuta ya POE).

1. Ekuma e nlongo mia frigo mina ye nsudi ya nzenza yo mona vo mafuta .¶

Isobutane ya bunkete ya bo kesadilaka sambu na kusala bankisi kevandaka penepene ya kukonda nsudi, yo meswaswana ti gaz naturel ya nzo to propane ya bo kesadilaka na barbecue (yina bo ketulaka nsudi ya kitoko ti éthyl mercaptan yina kewaka nsudi ya mbi). Kansi, ntangu R600a ke basikaka na nzila ya nsinga ya frigo, yo ke nataka mafuta ya compresseur yina me vukana mpi yina ke tambulaka na nzila ya bansinga ya kwivre mpi ya bibende ya tiya banda bamvula mingi. Yo ke basisaka nsudi ya ngolo, ya ngolo, ya sukadi fioti ya petrochimie to ya "mafuta ya masini ya kuyoka" mpi yo ke bikaka filme mosi ya kukonda mvindu mpi ya mafuta na zulu ya ba etagere ya congelateur to na ntoto na nsi ya frigo.

2. Ekuma R600a kedilanga yo vanga tapis ya mvevo ke ilendi moneka ko .¶

Isobutane kele na densité ya vapeur ya 2,01 na yina me tala mupepe, disongidila yandi kele kizitu mbala zole kuluta mupepe ya suku.

1. Kuvukisa na kati ya congelateur mpi kubwa na ntoto: Kana masa ke basika na kati ya kesi ya congelateur ntangu kielo kele ya kukangama, gaz ke fuluka nswalu na kati ya kisika yina kuluta Limite Explosive Inférieure (LEL) na yo ya 1,8 pourcent par volume (18 000 ppm). Ntangu nge ke kangulaka kielo ya congelateur, dituti yina ya kilo ya isobutane yina ke monanaka ve ke tiamukaka na zulu ya munoko ya nsi ya armware bonso masa ya madidi mpi ke panzanaka na ntoto ya kikuku.
2. Bisika ya kubumba tiya ke basikaka na kati mpi na nziunga ya frigo:
3. Interrupteur ya lumière ya kielo ya mecanique: Na ba frigo ya ntama to ya ntalu fioti yina kele ve ti ba interrupteur ya bansende ya magnétique ya kukangama, kukangula to kukanga kielo ya frigo ke niema interrupteur ya mecanique ya kukangama yina ke salaka mwa tiya ya kura na kati ya liner.
4. Chauffage à décongelation à tube de verre: Na ntangu ya cycle automatique ya kukonda glace, chauffage mosi ya ke pela ngolo ya 400 watts yina kele na nsi ya bobine ya evaporateur ya congelateur ke yokaka tiya tii na ba degre kuluta 300 Celsius (572 degre Fahrenheit).
5. Relais ya démarrage ya compresseur ya PTC mpe thermostat: Yau kele na nsi ya nima ya armware kaka na nivo ya ntoto, yina kele kisika ya sikisiki kisika ba masa ya isobutane ya kilo ke vukanaka.
6. Protocole ya kupesa mupepe ya kukonda tiya:
7. Bika kielo ya frigo ya kukanguka mingi (kana yo me kanguka dezia ntangu bo me tobula yo) sambu gaz kuvukana ve na kati ya sanduku ya fioti, to bika yo ya kukangama kana nge me wa makelele ya kubula na kati mpi kangula mbala mosi bafenetre yonso ya kikuku mpi bakielo ya nganda sambu na kusala nde mupepe kubasika na ntoto.
8. Kusimba ve nsinga ya kura yina kele na nima ya frigo, kukangula ve ba ventilateur ya kubasisa masa na capot, mpi kusadila ve aspirateur.
9. Kanga kaka nsinga ya kura ya kikuku kana tableau na nge ya nene ya kura kele na suku yankaka, na garage, to na nzila ya fyoti yina kele ve mpenza na ntoto ya kikuku.
10. Bika nde kikuku kupesa mupepe na mutindu na yo mosi na nsungi ya ata minuta 30 tii na 45. Sambu frigo ya nzo ke bumbaka kaka bagrame 40 tii na 80 (1,4 tii na 2,8 onces) ya R600a, charge yonso ta basika menga yonso mpi ta panzana na mupepe ya nganda na nima ya minuta 30 kana bafenetre me kanguka.

3. Ekuma e nsongo mia R134a ye R12 "mi ke mia tiya ko" miwokelanga lukufi ye fulu kia lamba gaz .¶

Kana frigo na nge ya ntama ke sadila R134a to R12 (ba frigo ya fluorocarbone yina ke yokaka ve tiya) mpi yo ke basisa masa na kikuku ntangu nge ke lamba na four ya gaz naturel to ya propane, kanga ba four ya gaz OFF mpi tula mupepe na kikuku mbala mosi. Kana bo me benda bagaze ya ke pesaka madidi ya fluorocarbone na kati ya tiya ya bleu ya 1 900 degrés Celsius (3 450 degrés Fahrenheit) ya tiya yina ke yokaka na tiya, kubeba ya tiya ke zengaka bangwisana ya carbone-fluore mpi ya carbone-chlore, ebuna yo ke basisaka fluorure d’hydrogène,$HCl) mpe fluorure de carbonyle / phosgène, yina kele ba gaz acides corrosifs yina ke lwadisaka meso mpe mbombo mbala mosi mpe ke salaka mpasi ya ngolo na ba pulupulu ya kimunganga.

RV, camping, mpi frigo ya ke bakaka masa na nganda ya réseau¶

Na kuswaswana ti bafrigo ya nzo yina kesadilaka compresseur ya motere ya kura sambu na kupompa refrigerant, bakamio ya bansaka (RV), ba remorque ya nzyetelo, bakamio, bamaswa, mpi bakabine yina kele na nganda ya réseau kesadilaka mbala mingi bafrigo yina kebakaka kura ya gaz (yina kesalamaka mingi na marque ya mutindu mosi, ya Dometic, mpi ya mutindu mosi). Kubakisa mutindu unité de refroidissement absorption ke salaka ke tendula sambu na nki bima yai kele kikuma ya nene ya tiya ya ngolo ya RV mpi ya kubasisa gaz ya poison.

1. Mutindu frigo yina ke bakaka masa ya amoniaque-hydrogène-chromate ke salaka .¶

Unité ya refroidissement ya absorption kele na bitini ya zero yina ke tambulaka. Kansi, bo ketulaka nsinga na yo ya plomberie ya bibende yina kele na nima ya frigo na ngolo ya 20 tii na 24 bar (300 tii na 350 psi) ti bima iya ya kuvukisa:

1. Amoniaque sans masa (\(NH_3\)): Kima ya ntete ya ke pesaka madidi, yina kele gaz toxique ya Classe B2L** (IDLH = 300 ppm).
2. Maza ya Kuyoka (\(H_2O\)): Kima ya ke bakaka masa yina ke katulaka masa ya amoniaque.
3. Gaz d’Hydrogène Pressuré (\(H_2\)): Gaz ya ke pela tiya mingi (yina ke pelaka na zulu ya kisika ya nene banda na 4% tii na 75% na mupepe) yina bo ke sadilaka sambu na kufwanisa ba pression ya ndambu na kati ya evaporateur sambu amoniac ya masa lenda kuma masa na tiya ya fioti.
4. Chromate de sodium (\(Na_2CrO_4\)): Putulu ya jaune ya ngolo yina bo me vukisa na masa sambu na kukanga nzila nde tubi ya bibende kukuma mvindu na kati. Chromate de sodium kele kima ya chrome hexavalent (\(Cr(VI)\)), kima mosi ya mezabanaka yina kepesaka kansere na bantu mpi yina kepesaka mpasi mingi na mpusu ya nitu/mpema.

Sambu na kuyoka amonia na nganda ya masa, kisina ya tiya ya ba carburant zole na nsi ya tibe ya chaudière ya kibende, yo vanda ludimi ya gaz ya propane ya masa ya kukangula (LP) to élément chauffage ya cartouche électrique ya 120 volts AC / 12 volts DC, ke yokaka tiya na degree ya chaudière ya kibende yina ke landa na ku50pe. Celsius (350 tii na 400 degrés Fahrenheit) na kati ya nzila ya kubasisa masa ya bo me sala ti bima ya bo me sala ti bima ya ke kangaka masa yina kele kaka na kibaka ya mabaya ya RV.

2. Mutindu bafrigo ya ke bakaka masa ya RV ke pasukaka mpi ke bakaka tiya .¶

Kana bo ke sadila frigo ya RV ntangu kamio kele kukangama na kisika mosi ya kukonda kiteso, solution ya masa-masa ya amoniaque ke yambulaka kutambula na nzila ya ngolo ya ke pusaka bima na ntoto na nzila ya tiyo ya chaudière. Masa yina me kangama ke yokaka mpi ke yumaka, yo ke salaka nde tiya ya chaudière ya kibende kuma mingi kuluta badegre 350 ya Celsius (660 degre Fahrenheit). Na nima ya ntangu, tibe ya chaudière ya bibende yina kele tiya mingi ke lembaka mpi ke basisaka mpasi ya fioti:

1. Kupela ya torshe ya hydrogène: Na ntangu yina chaudière ya kibende ke panzana, gaz ya hydrogène (\(H_2\)) ya pression ya ngolo mpi jet ya vapeur ya amoniaque ke basika na tiyo ya kibende ya kukabwana mbala mosi na zulu ya nsinga ya kura ya ke pela 120 volt to na zulu ya tiya ya propane ya kukanguka inches na nsi. Hydrogène yina ke tinaka ke pelaka tiya na kati ya kisika ya nima ya RV.
2. Bidimbu ya lukebisu ya kufwa ya unité ya refroidissement ya RV yina ke kwisa to yina ke sala:
3. Na kati ya frigo ya RV na kintulumukina ke yambulaka madidi na ntangu congelateur to kibaka ya nima ke waka tiya ya kuyituka.
4. Nsudi ya ngolo mpi ya ke lwadisaka meso nsudi ya amonia ya nzo na kati ya kabine ya RV to na nganda pene-pene ya bisika yina bo ke basisaka masa na nganda ya plastike.
5. Residu ya poudre ya jaune, ya chartreuse, to ya jaune-vert yina me fuluka na nziunga ya nsi ya cylindre ya chaudière to yina me tula matonsi na zulu ya dilonga ya masa yina ke basikaka na nima ya porte ya kisalu ya RV ya nganda (chromate de sodium ya kuyuma yina bo me pusa na nganda ya kisika yina me panzana).
6. Makelele ya kubula-bula, ya kubula-bula, to ya kubula-bula yina ke kwenda nzila mosi ti midinga ya ngolo yina ke basika na zulu ya ludi ya nganda to na kisika yina frigo ke basikaka na lweka.

3. Mvutu ya kitambi-kitambi na yina me tala masa yina ke basika na frigo ya RV to tiya .¶

1. Katula bantu yonso ti bambisi ya nzo na RV nswalu: Kubikala ve na kati ya kamio to remorque ya nzietelo kisika nsudi ya amoniake ke wakana. Amoniaka yina kele ve ti masa ke fulukaka nswalu na banzila ya mupepe.
2. Kanga cylindre ya propane na ngolo ya shore yina ke katukaka na NGANDA ya RV:
3. Tambula na ludimi ya ntwala to na nganda ya kisika ya propane ya RV mpi balula valve ya nene ya réservoir ya gaz LP na ndambu ya ntangu na OFF.
4. Katula nsinga ya kura ya 30-ampère to 50-ampère na lweka ya masa na kisika ya bo ke tulaka ba camp (mpi kanga konso generateur to inverter yina kele na kati ya maswa) sambu nsinga ya kura ya chaudière ya kura ya 120 volt kukonda ngolo.
5. Sadila kaka kima ya kufwa tiya na nzila ya porte ya kisalu ya NGANDA, ata fyoti ve katuka na kati ya RV: Kana tiya ya fyoti yina keyantika meyantika kaka na nsi ya kimvuka ya tiya mpi yo mepanzana ve na bibaka ya RV, kangula panneau ya kukota na lweka ya plastique ya nganda na nganda ya kamio to deC class andBC standing extincteur chimique na kati ya sanduku ya tiya. Kana midinga ya ndombe ke basika na kisika ya kubasisa mupepe ya zulu, kukangula ve kisika ya kubasisa masa: katula bantu yonso ata na bametre 50 (165 feet) (sambu ba tanki ya propane ya RV lenda BLEVE / kupasuka na tiya ya structure) mpi binga bisalu ya urgence.
6. Kumeka ve ata fyoti na kusoda, na kukanga, to na kukanga kima mosi ya kepesaka madidi na RV yina kebasikaka masa: Kana kima mosi ya kepesaka madidi na nsadisa ya absorption mebasisa masa, bo fwete yingisa kima ya madidi ya mvimba yina bo mekangaka (to frigo ya mvimba). Kusimba ve ata fyoti mpusu ya chromate ya sodium ya jaune kukonda baganto ya nitrile, bima ya kutanina meso, mpi kima ya kupema P100, mpi kuyobisa konso putulu ti basashe ya madidi ya bo kesadilaka kaka mbala mosi mpi ya bo mekanga na saki ya plastike.

Tiya ya compresseur ya frigo ya nzo: ba relais ya demarrage ya PTC mpi mousse ya polyuréthane¶

Katula kubwa ya ba refrigerant, ba frigo ya nzo ya bantu yonso ke sadilaka mpi ba congelateur ya garage ke basisaka mafunda ya tiya na ba structure konso mvula sambu na kukonda kura na baie mécanique ya nima.

1. E mpila ya lunga-lunga e nsinga mia nsangu za PTC .¶

Na zulu ya bapine tatu ya kura yina kele na lweka ya dôme ya compresseur ya kibende ya ndombe na nsi na nima ya frigo na nge, bo me tula kesi ya fioti ya plastike yina bo ke bingaka Relais de démarrage du Coefficient de Température Positif (PTC) mpi kima mosi ya ke taninaka yo na ntwala ya charge ya kuluta ndilu.

• Kana putulu, nsuki ya bambisi ya nzo, mpi mafuta ya kikuku mefika ba bobine ya condensateur yina kele na nsi ya frigo, yo kepusaka compresseur na kusala ntangu yonso kana tiya meluta badegre 212 ya Celsius.
• Na nima ya bamvula mingi ya nzietelo ya tiya mingi mpi ya kukangama ya madidi, disque de ceramique yina kele na kati ya relais ya démarrage ya PTC ya plastique ke panzanaka mpi ke yantikaka arc électrique.
• Kana bo salaka ve nzo ya relais ya plastike ti résine ya ngolo yina ke kangaka tiya, relais ya arc ke yokaka tiya na kati ya plastique na yo mosi. Na nsungi ya basegonde 60, baludimi yina kepelaka na nzila ya plastike to ya karton ya fyoti yina kefikaka masini yina kele na nima mpi yo ketulaka tiya na isolation ya ngolo ya bo mesala na mousse ya polyuréthane yina bo mekanga na kati ya bibaka ya frigo.

2. Ekuma o yoka e nsongo mia polyuréthano mia frigo i diambu diampasi difwasanga wantu .¶

Armware ya frigo ya bilumbu na beto kevandaka ti bakilo 5 tii na 10 ya fulu ya ngolo ya polyuréthane yina bo mefulusaka ti cyclopentane (hydrocarbure yankaka yina kepelaka tiya). Kana tiya me buka nsinga ya plastike ya kati to ya nganda mpi me yoka nsinga ya mousse ya polyuréthane:

• Acceleration ya cheminée verticale: Armoire ya frigo ya nda mpi ya fioti ke salaka bonso fulu ya nene ya kutelema, yo ke salaka nde tiya kubasika nswalu na ntoto tii na plafond na nsi ya basegonde 90.
• Midinga ya cyanure d’hydrogène (\(HCN\)) mpe ya monoxyde de carbone (\(CO\)) ​​yina ke fwaka bantu: Kuyoka fulu ya polyuréthane ke basisaka midinga ya ndombe ya jet, ya ndombe ya ngolo yina kele na gaz cyanure d’hydrogène mpe monoxyde de carbone mingi kibeni. Kupema mbala zole to tatu ya midinga ya ndombe yina kekatukaka na frigo yina kepela tiya lenda sala nde muntu kukonda mabanza nswalu mpi ntima kukangama.
• Mambu ya kusala nswalu: Kana nge mona midinga ya ndombe ke tombuka na nima ya frigo, kubenda ve ata fioti frigo na nganda ya kibaka (yina ke basisaka fulu ya nima yina ke pela tiya na oxygène ya mpa ya suku mpi ke tulaka nge na nzila ya bombe ya tiya). Flip the main breaker OFF kana nge me luta panneau na nzila ya kubasika, katuka na nzo mbala mosi, kanga kielo ya kikuku na nima na nge, mpi binga 911 / 112 / 999 katuka na nganda.

Lutaninu ya madia mpi lusadisu ya ntete ya minganga na nima ya kubasisa masa na refrigerant¶

1. Lusadisu ya ntete sambu na amonia to kupema fluorocarbone yina ke beba:
2. Nata muntu yina kele na nganda na mupepe ya mpa mpi ya mupepe ya ngolo mbala mosi mpi katula bilele ya me kangama ngolo na nkingu mpi na ntulu.
3. Kana masa to masa ya amoniaque ya kukonda masa me panzana na meso to na mpusu ya nitu na ntangu frigo ya RV me panzana, yobisa meso ti mpusu ya nitu ntangu yonso ti masa ya tiya yina ke basika na nsungi ya minuta kiteso ya 15 to 20 ntangu nge ke simba bima ya meso ya kukanguka, mpi binga bantu yina ke sadisaka bantu yina ke bela nswalu.
4. Nge lenda dia madia ya frigo yina me basisa masa ya frigo?:
5. Kukangama, ya kukonda ba pore: Madya ya bo me bumba na kati ya bitunga ya bibende ya kukangama mbote, mabungu ya ditensi yina me kanguka ve ti bima ya bibende, to ba sashe ya kilo ya papie yina bo me tula ve mbala mosi mafuta ya compresseur, bo lenda yobisa yo na nganda ti savon mpi masa mpi kudia yo kukonda kigonsa.
6. Madia ya kukonda kufika, bima ya bo me zwa, glace, mpi bima ya kukanga yina kele ti ba pore: Losa bima yonso ya glace, masa ya kukangula, bima ya me bikala ya kukonda kufika, bima ya mpa, manteka, musuni yina bo me ziunga na filme ya fioti ya ke kangamaka, mpi bakesi ya karton na kati ya konso kisika yina nzila ya refrigerant me pasuka. Ata bagaze R600a ti R134a ke kumaka masa nswalu, mafuta ya kuyobisa ya compresseur atomisé mpi bima ya bibende yina ke lwataka vandaka kulosila na ntangu ya kuyobisa konso kisika yina vandaka kumonana na kati ya sanduku ti bima ya petrochimique ya industrie yina ke fwaka bantu mpi bima ya acide yina me bebaka.

Kubaka malongi ya maboko ya lusadisu ya ntete mpi ya CPR na Croix-Rouge, na Ambulance St John, to na muntu mosi ya me ndimamaka na bwala na beno ke sadisaka nge na kuzaba mpi na kuyidika mbote-mbote kupema bima ya mbi, kuyoka meso na bima ya kimunganga, mpi mambu ya mpasi ya kupema.

3. Bidimbu ya diagnostic: kufwa ya relais ya compresseur vs. fuite ya refrigerant vs. kupasuka ya chaudière ya absorption¶

Sadila matrice yai ya diagnostic sambu na kuswaswanisa click ya cycle ya décongelation ya kukonda kigonsa, relais ya démarrage ya PTC ya kigonsa, fuite ya malembe ya refrigerant, mpi unité ya refroidissement ya RV yina me beba:

Bangyufula yina bantu keyulaka mbala na mbala¶

Bo me tala bisika yina bo me katuka¶

• Kimvuka ya Amerika ya Ke Talaka Mambu ya Luzingu ya Ntoto (EPA, États-Unis): Programe ya Nsiku ya Mpa ya Mfunu (SNAP): Kusadila mbote-mbote bima ya ke pesaka tiya (R600a Isobutane mpi R290 Propane) na bisadilu ya nzo.
• Komite ya Ke Talaka Mambu ya Lutaninu ya Bima ya Bantu Yina Ke Sadilaka na États-Unis (CPSC, États-Unis): Kuyibuka Relais ya Kuyantika ya Compresseur ya Frigo mpi Kukebisa ya Lutaninu ya Tiya ya Frigo ya Absorption ya RV (Kuyibuka Kuyibuka ya Unité de Refroidissement Dométique et Norcold).
• Kimvuka ya ke talaka mambu ya lutaninu ya bantu yina ke tambulaka na nzila ya nene (NHTSA, États-Unis): Bansosa ya ke tadila kulemba mpi kuvutukila mambu yina bo me sala sambu na kukatula masa na kamio ya bansaka.
• Laboratoires ya Ba-Sunderwriter (UL, États-Unis / Inza ya Mvimba): UL 60335-2-24 Nsiku ya Ke Talaka Bima ya Kuyoka na Nzo (Bandilu ya Kufuta Bima ya Ke Pelaka Tiya mpi Bansiku ya Bima Yina Ke Pesaka Ve Arc).
• Institut national de sécurité et santé au travail (NIOSH / CDC, États-Unis): Mukanda ya ke monisa bigonsa ya bima ya kimunganga: Amoniaki ya kukonda masa (R717), isobutane, mpi chromate ya sodium (chrome hexavalent).
• Bapompier ya Londres mpi Lutaninu ya Kura Ntete (Royaume-Uni): Bima ya Mpembe Lutaninu na Tiya: Kuyoka tiya ya Frigo mpi ya Congelateur mpi Bigonsa ya Relais ya Compresseur.

Bantwadisi ya ke wakana¶

• Bima ya tiya: kima ya kukausa, four, mpi lutaninu ya frigo
• Lutaninu ya kufwa ya madia ya kubeba mpi ya frigo
• Gas leak detection and emergency shutoff
• Kupanzana ya bima ya kimunganga mpi kubasika ya mupepe ya kigonsa
• Lusadisu ya ntete ya monoxide ya carbone mpi ya kupema midinga
• Annuaire ya ba nimero ya urgence