Tankless Nsuo Ɔhyew Mfomsoɔ Mmara 11 anaa 12, Ignition Failure, Frozen Condensate Drain Line, ne Ɔhyew Exchanger Freeze-Burst¶

Sɛ condensing tankless gas water heater a ɛyɛ adwuma yiye (a Rinnai, Navien, Noritz, Takagi, Rheem, anaa Bosch na ɛyɛe) dum mpofirim wɔ awɔw bere mu awɔw bere a ɛnyɛ zero mu na ɛhyerɛn Error Code 11 (11 / . E003 / . 111: Ignition Failure) anaa Mfomso Mmara 12 (12 / . E012 / . 121: Flame Loss / Flame Failure), afiewuranom hyia asiane abien ntɛm ara: afie mu nsu a ɛyɛ hyew nyinaa a wɔbɛhwere bere a awɔw wom kɛse, ne mfomso biako a wɔanhyɛ da, wɔayi afiri no anyinam ahoɔden hama a ɛyɛ 120/230-volt, a ɛsɛe 1,500-to-3,000-dollar kɔbere anaa stainless-steel ɔhyew exchanger na nsuyiri fa fie no mu wɔ nnɔnhwerew kakraa bi mu. Nea ɛnte sɛ atetesɛm mu nsu a wɔde sie a emu duru yɛ lita 200 (galɔn 50) a ɛkura ɔhyew akorae kɛse bi na ɛde kanea a wɔde di dwuma a egyina hɔ di dwuma no, nsu a ɛyɛ nwini a enni tank mu a ɛyɛ nwini fa kɔbere teateaa a ɛyɛ **milimita 6 kosi 12 (nsateakwaa 0.25 kosi 0.5) a ɛwɔ ntaban anaa dade a ɛnyɛ den ** a ɛwɔ mu tẽẽ no mu abɔnten ɔfasu a wɔde hyɛ mu, kar dan a ɛnyɛ hyew, anaa ɔdan atifi a mframa a ɛyɛ nwini kɔ abɔnten tẽẽ.

Wɔ polar vortex freezes mu no, ade a ahintaw a ɛto so biako a ɛde Mfomso Mmara 11 ne Mfomso Mmara 12 ba wɔ condensing tankless unit so no nyɛ gas valve bɔne, na mmom frozen exterior PVC condensate drain line, a ɛsan acidic nsu kɔ soro fa neutralizer afiri no mu tẽẽ kɔ secondary heat exchanger ne combustion chamber no mu, na ɛde igniter no hyɛ nsu ase na ogya a wɔde siesie poma. Nea enye koraa no, sɛ ofie no hwere AC anyinam ahoɔden bere a awɔw bere mu anyinam ahoɔden atɔ mu, anaasɛ sɛ ofie wura bi a n’abam abu yi afiri a ɛnyɛ ogya a, tankless heater no mu electric ceramic freeze-protection blocks (a ɛtwetwe AC anyinam ahoɔden watt 100 kosi 250 de bɔ ho ban kodu Celsius digrii 30 / minus digrii 22 Fahrenheit) to mu ntɛm ara, na ɛma mframa a ɛyɛ nsukyenee a ɛbɔ wɔ akyi mframa a ɛbɔ fa mframa a wɔde yi mframa fi mu no mu no yɛɛ nwini na ɛpaapae kɔbere ɔhyew sesa no mu kɛse. Sɛ wote mercaptan gas hua a ɛyɛ nkesua a aporɔw hua anaasɛ wote mframa a ɛrebɔ denneennen a, fi hɔ ntɛm ara na frɛ wo mpɔtam hɔfo nɔma ahorow a egye ntɛmpɛ (911 wɔ United States ne Canada, 999 wɔ United Kingdom, 112 wɔ Europa Aman Nkabom no nyinaa mu, ne 000 wɔ Australia), na yɛsan hwɛ yɛn akwankyerɛ ahorow a ɛfa nsuo a ɛyɛ hyew a enni tank no yɛ nwini-pae, mframa a ɛtwetwe mframa no siw, ne mfomso mmara a wɔatoto mu, . nsu afiri a ayɛ nwini, na awɔw bere mu anyinam ahoɔden a ɛtɔ, anyinam ahoɔden a ɛtɔ bere tenten, ne anyinam ahoɔden a ɛyɛ nwini.

Yɛ eyi mprempren¶

Sɛ wo gas nsu a ɛyɛ hyew a enni tank no hyerɛn a Error Code 11 anaasɛ 12 awɔw bere mu no, ogyae nsu a ɛsen, anaasɛ anyinam ahoɔden hwere bere a awɔw ayɛ no:

1. MMFA Nsuo a Ɛyɛ Nsuo a Ɛnni Tankless no Electrical Power Cord no DA Bere a Wim Tebea a Ɛyɛ Nwini:
2. Sɛ mpo wo gas a wode ma no adum a, wo propane tank no mu da mpan, anaasɛ unit no rehyerɛn Error Code 11 anaasɛ 12, gyaw anyinam ahoɔden hama a ɛyɛ volt 120 (anaasɛ volt 230) no a wɔde ahyɛ mu na breaker no ON.
3. Nsuo a ɛyɛ hyew a enni tank no mu ceramic freeze-protection heaters a wɔde ahyɛ mu no de fie AC anyinam ahoɔden na ɛyɛ adwuma, ƐNYƐ gas. Bere tenten a unit no wɔ anyinam ahoɔden (sɛ mpo wɔadan "Off" wɔ keypad button no so), ne mu thermostats no ankasa ma anyinam ahoɔden heater blocks no ahoɔden bere biara a emu paipu hyew bɛkɔ fam sen 5 degrees Celsius (41 degrees Fahrenheit). Sɛ wuyi afiri no fi afiri no mu bere a awɔw wom a, ɛma wunya kɔbere ɔhyew sesa a ɛpae gye sɛ wode nsa di kan yi nsu biara a ɛbɛtɔ afiri no mu.
4. Mfomso Mmara 11 anaa 12 wɔ Awɔw Bere mu: Hwɛ na Thaw Condensate Drain Line no kan:
5. Condensing tankless heaters ma lita 2 kosi 4 (galɔn 0.5 kosi 1) dɔnhwerew biara mu nsu a ɛyɛ acidic (condensate, pH 3.2 kosi 4.5) a ɛnam 13-kɔsi 19-millimeter (0.5-to-0.75-inch) PVC paipu anaa vinyl tube a emu da hɔ so sen fi unit no ase.
6. Baabi a saa condensate paipu no fi adi fa abɔnten ɔfasu bi mu anaasɛ ɛfa kar dan/krawlbea a ɛnyɛ hyew no, awɔw bere mu mframa ma nsu a ɛsen brɛoo no yɛ nwini kɔ nsukyenee a ɛyɛ den mu. Nsuo a wɔakora so no hyɛ condensate afiri a ɛwɔ mu no ma, ɛkanyan float switch no anaasɛ ɛyiri fa burner box no mu, na ɛto unit no mu wɔ Code 11 (No Ignition) anaa Code 12 (Flame Loss) so.
7. Adeyɛ: Twa condensate drain union nut anaa rɔba coupling no mu tẽẽ wɔ tankless unit no ase wɔ 4-liter (1-gallon) bokiti so na ama nsuo a ɛwɔ akyi no akɔ, afei fa hair dryer (a wɔde ahyɛ low/medium) anaa ɔhyew wet towels (a ɛnyɛ blowtorch a wɔabue so) no nwene abɔnten condensate pipe a ayɛ nwini no.
8. Hwɛ Gas a Wɔde Ma, Abɔnten Propane Regulator Vent, ne Rooftop Exhaust/Intake Terminations:
9. Mfomso Mmara 11 (No Ignition): Si so dua sɛ kɔkɔɔ manual gas shutoff ball valve a ɛwɔ unit no ase no ne paipu no hyia (bue), hwɛ sɛ gas mfiri afoforo (stove/furnace) hann sɛnea ɛte daa, na sɛ ɛwɔ LP / Propane so a, brush sukyerɛmma ne nsukyenee fi abɔnten propane tank regulator vent screen (a frosted regulator vent locks off gas a ɛsen).
10. Mfomso Mmara 12 (Ogya a Ɛyera Bere a Ɛhyew Akyi): Fi adi na fa w’ani hwɛ 2-inch anaa 3-inch PVC concentric anaa twin-pipe intake/exhaust vent terminations a ɛwɔ nkyɛn ɔfasu anaa ɔdan atifi no sɛ hoarfrost, snow drifts, anaa icicles a esiw ɔhyew mframa ano anaa.
11. Sɛ Ofie AC Tumi Dum wɔ Sub-Zero Wim Tebea (na Wonni Backup Power) a, Twe Tankless Unit no mu wɔ Simma 30 mu:
12. Wɔ awɔw bere mu anyinam ahoɔden a ɛtɔ a enni generator anaa UPS battery backup no, abɔnten mframa a ɛyɛ nwini no kɔ akyi kɔ mframa a wɔde yi mframa mu no mu na ɛma kɔbere nsu a ɛyɛ tratraa a ɛwɔ ɔhyew sesa no mu no yɛ nwini wɔ simma 30 kosi 90 mu.
13. Di Simma 5 Blackout Manual Drain Protocol no ho dwuma:
    1. Dane OFF Blue Cold-Water Inlet Valve ne Red Hot-Water Outlet Valve wɔ unit no ase, na dane OFF Yellow Gas Valve no.
    2. Yi kɔbere nkatasoɔ a ɛwɔ Cold Service Drain Port ne Hot Service Drain Port nyinaa so no, na bue service drain T-handles mmienu no nyinaa wɔ bokiti so.
    3. Yi Cold-Water Inlet Filter Screen (strainer plug) a ɛwɔ unit no ase no na bue nsuo a ɛyɛ hyeɛ faucet wɔ fie no mu ma ɛbubu vacuum no sɛdeɛ ɛbɛyɛ a nsuo 1 kɔsi 2 lita a ɛka heat exchanger no mu nyinaa gravity-drains afiri mu koraa.
14. Sɛ Hot-Nsuo Faucets Ma Zero Flow (bere a Cold Faucets Flow Normally), Thaw Internal Pipes Brɛoo Ansa na Pressurizing:
15. Sɛ nsuonwini kɔ wo sink so nanso sɛ wodan tap a ɛyɛ hyew no a, ɛma biribiara nni hɔ koraa a, nsukyenee plug ayɛ wɔ tankless inlet/outlet pipes anaa heat exchanger no mu.
16. To Blue Cold Inlet Valve no mu ntɛm ara sɛdeɛ ɛbɛyɛ a municipal nsuo nhyɛsoɔ (400 kɔsi 550 kPa / 60 kɔsi 80 PSI) renpia nsukyenee a ɛreyɛ ayɛ nwini akyi, bue aseɛ service drain ports no wɔ tub a ɛtrɛ so, na fa hair dryer ma kabinet no mu hyeɛ nkakrankakra berɛ a worehwɛ sɛ nsuo retɔ afiri sheet-metal no ase casing (a ɛkyerɛ sɛ kɔbere ɔhyew sesafo a wɔapaapae mu).
17. Nmia Power Reset Button no Mpɛn Mpɛn pii Da wɔ Mfomso 11 anaa 12:
18. Sɛ woaprapra condensate line ne intake vent no mu na unit no da so ara ntumi nhyerɛn wɔ 2 to 3 reset attempts akyi a, gyae na frɛ gas technician a ɔwɔ tumi krataa. Mmɔden a wɔbɔ sɛ wɔde sakre tu kwan mpɛn pii a entumi nyɛ yiye no betumi aboaboa mframa a wɔanhyew ano anaasɛ asɛe dɔte a wɔde sɔ gya ne ogya poma no.

Gyinaesi dua: nsuo a ɛyɛ hyew a enni tank Mfomsoɔ Mmara 11/12, condensate freeze, ne blackout drain¶

flowchart TD
    Start["TANKLESS WATER HEATER WINTER EMERGENCY: Mfomso Mmara 11 / 12, Nsu a Ɛyɛ Hɔ Nsen, anaasɛ Awɔw Bere mu Tumi a Ɛtwa"] --> Scenario{"Dɛn ne sɛnkyerɛnne no ankasa?"}

    Scenario -->|"1. Mfomso Mmara 11 (No Ignition) anaa 12 (Ogya a Ɛyera) ."| KeepPlugged["MMRA 1: MA 120V/230V POWER CORD NKYERƐKYERƐMU. Hwɛ sɛnea condensate drain, gas a wɔde ma, ne abɔnten mframa a wɔde fa mu no nnidiso nnidiso"]

    KeepPlugged --> CondCheck{"So PVC/vinyl condensate drain line no ayɛ nwini wɔ abɔnten anaasɛ ɛwɔ kar dan mu?"}
    CondCheck -->|"YIW: Condensate a Wɔabɔ no Akyi"| ThawCond["CONDENSATE DRAIN RECOVERY: 1. Fa bokiti to unit ase & yi condensate afiri/drain cap no 2. Fa nsuo a ɛwɔ acidic a wɔabɔ no akyi fi ɔhyew exchanger a ɛtɔ so mmienu mu 3. Fa hair dryer nwene abɔnten PVC paipu; reroute anaa insulate pipe 4. Mia Power OFF afei ON na popa Code 11 / 12"]

    CondCheck -->|"DABI: Condensate Nsuo Nsuo a Ɛwɔ Ahofadi Mu"| GasVentCheck["GAS & VENT DIAGNOSTIC: • Mmara 11: Hwɛ sɛ gas valve kɔkɔɔ abue; hwɛ mfiri afoforo a wɔde gas yɛ; brush nsukyenee fi abɔnten propane regulator mframa; clean inlet filter • Mmara 12: Popa sukyerɛmma/hoarfrost fi abɔnten intake & exhaust pipes mu; hwɛ sɛ mframa a ano yɛ den ba fam anaasɛ ogyaframa sensor poma a ɛho agu fĩ anaa"]

    Scenario -->|"2. Awɔw Bere mu anyinam ahoɔden a Wɔtwa (Blackout wɔ Wim Tebea a Ɛyɛ Nwini Mu) ."| BackupCheck{"So wowɔ 120V Pure Sine Wave UPS anaa Generator?"}
    BackupCheck -->|"YIW: Fa wo ho hyɛ UPS/Generator mu"| RunFreezeProt["Fa 120V hama a enni tank no hyɛ battery UPS mu (ɛtwe 100 kosi 250 W pɛ) na ama anyinam ahoɔden ceramic freeze heaters akɔ so ayɛ adwuma"]
    BackupCheck -->|"DABI: Ɛlektrik Biara Nni Hɔ"| ManualDrain["MANDATORY 5-MINUTE BLACKOUT DRAIN (Witin 30 Min): 1. To BLUE Cold Valve, RED Hot Valve, ne YELLOW Gas Valve mu 2. Bue ase service valve drain ports ABIEN no nyinaa wɔ bokiti so 3. Yi Cold Inlet Filter plug & bue dan mu hot tap na bue vacuum 4. Gyae drain caps nyinaa OFF kosi sɛ anyinam ahoɔden na ɔhyew a ɛsan ba"]

    Scenario -->|"3. Tap a Ɛyɛ Nwini no Sen, Nanso Tap a Ɛyɛ hyew no Nsu Nsen ZERO"| FrozenUnit["FROZEN INTERNAL PIPES OR HEAT EXCHANGER: 1. to BLUE Cold-Water Inlet Valve mu Ntɛm ara (siw nsuyiri ano.) 2. Yi ase service drain caps & cold inlet filter over bucket 3. Fa hair dryer hyew unit no brɛoo (MMFA ogya hyew anaa fa kanea nni dwuma DA) 4. Crack Blue Valve 10% bue sɛ nsuo fi ase casing -> Heat exchanger yɛ SPLIT (Ma Blue Valve OFF & frɛ plumber)"]

Cross-brand mfomso koodu nkyerɛase pon (Rinnai, Navien, Noritz, Takagi, Rheem) .¶

Bere a Mfomso Mmara 11 ne Mfomso Mmara 12 yɛ nnwuma-gyinabea nhwehwɛmu mmara a Rinnai, Noritz, ne Takagi na wɔde bae no, adwinnan afoforo de akontaabu mmara a ɛne no sɛ di dwuma ma huammɔdi akwan koro no ara pɛpɛɛpɛ:

Nea enti a condensate drain line a ayɛ nwini no kanyan Mfomso Mmara 11 ne Mfomso Mmara 12¶

Mframa a ɛyɛ hyew dedaw a enni tank a ɛnyɛ nsu (AFUE ɔha biara mu nkyem 80 kosi 82) no ma mframa a ɛyɛ hyew a ɛyɛ 150-degree-Celsius (300-degree-Fahrenheit) fi dade a ɛnyɛ den paipu mu. Nnɛyi nsu a ɛyɛ adwuma yiye nsu a ɛyɛ hyew a enni tank a ɛyɛ nwini (Ɔha biara mu nkyem 95 kosi 99 UEF) de ɔhyew a ɛto so abien a wɔde dade a ɛnyɛ den ayɛ di dwuma de yi ɔhyew pii fi mframa a wɔde fi mu no mu araa ma mframa a wɔtwe no dwo sen ne bosu (55 degrees Celsius / 131 degrees Fahrenheit), na ɛma nsu a ɛyɛ hyew a wɔde carbon dioxide a wɔapete ne nitrogen oxide afrafra akɔ acidic liquid condensate (pH 3.2 kosi 4.5) mu a ɛyɛ lita 2 kosi 4 (galɔn 0.5 kosi 1) dɔnhwerew biara.

HOW A FROZEN EXTERIOR CONDENSATE DRAIN TRIGGERS CODE 11 / 12 AND FLOODING

   +-----------------------------------+
   |   TANKLESS WATER HEATER CABINET   |
   |  +-----------------------------+  |
   |  |  Primary Burner & Igniter   |  | <-- 3. Backed-up water rises into combustion box,
   |  +-----------------------------+  |        drowning flame sensor rod -> ERROR 11 / 12.
   |  |  Secondary Heat Exchanger   |  | <-- 2. Acidic water fills internal collector pan
   |  +--------------+--------------+  |
   |                 ||                |
   |         [Internal P-Trap]         |
   +-----------------++----------------+
                     ||
           [Condensate DrainCap]       <-- EMERGENCY RELIEF: Unscrew cap here over bucket.
                     ||
                     ||====================[Exterior Wall]====> [SOLID ICE PLUG OUTSIDE]
                                                                (Slow trickle freezes at -5°C)

Anamɔn biara: Sɛnea Wobɛpopa Frozen Condensate Line na Woasan Asiesie Code 11/12¶

1. Hwehwɛ Condensate Drain Pipe a ɛwɔ Heater no Ase:
2. Hwɛ tankless unit no ase wɔ blue cold pipe ne red hot pipe no nkyɛn. Wubehu PVC paipu fitaa a ne kɛse yɛ milimita 13 kosi 19 (inch 0.5 kosi 0.75), CPVC paipu, anaa vinyl tube a wɔabɔ no pefee a wɔde abata plastic a wɔde nhama ayɛ (a wɔtaa fa limestone-chip fitaa a ɛyɛ kurukuruwa acid neutralizer cartridge) ho.
3. Gye Nsuo a Wɔabɔ no Akyi a Ɛwɔ Heater no Mu no gyae:
4. Fa plastic bokiti a emu duru yɛ lita 4 kosi 8 (galɔn 1 kosi 2** gu unit no ase tẽẽ.
5. Hwehwɛ condensate trap drain plug (wɔ Navien units so no, twist-lock cap a ɛwɔ pull-ring wɔ ase nifa so; wɔ Rinnai/Noritz/Takagi units so no, threaded union nut anaa spring-clamp hose a ɛwɔ condensate stub no so).
6. Bue kyɛw no nkakrankakra anaa twa vinyl hose a ɛwɔ bokiti no so no mu. Sɛ nsuo 0.5 kɔsi 2 lita (1 kɔsi 4 pint) pue a, woasi so dua sɛ condensate line a ayɛ nwini na ɛde wo Mfomsoɔ Mmara no baeɛ 11 anaasɛ 12.
7. Tw Abɔnten Condensate Pipe no na Siw Re-Freezing ano:
8. Di condensate drain pipe no akyi kɔ baabi a ɛba awiei wɔ fie no akyi, wɔ kar dan a ɛnyɛ hyew mu, anaasɛ wɔ fam drain a awɔw wom mu.
9. Fa hair dryer, heat gun wɔ low setting, anaa nsuo a ɛyɛ hyeɛ a wohwie gu ntama a wɔde abɔ PVC pipe no ho so no nwene ice plug no.
10. Temporary Winter Bypass: Bere a wim tebea a ɛnyɛ zero kɔ so wɔ abɔnten no, sɛ condensate line no tu mmirika wɔ dan mu ansa na woafi ɔfasu no mu a, wubetumi ama bere tiaa bi ama mu condensate hose a wɔatwa mu no atɔ tẽẽ akɔ 20-lita (5-gallon) plastic bokiti mu wɔ kar dan a ɛyɛ hyew anaa utility dan mu (de bokiti no gu da biara da wɔ laundry sink mu baking soda to neutralize the mild acidity) kosi sɛ plumber betumi asan akɔ interior laundry standpipe anaa floor drain anaasɛ ɔde self-regulating electric heat trace cable abɔ ho.
11. Reset the Unit: San fa condensate trap cap no bata ho, mia On/Off Power button a ɛwɔ anim digital controller no so no dum na san kɔ so, na bue nsuo a ɛyɛ hyew tap bi na hwɛ sɛ ɛyɛ ignition anaa.

Sɛnea wɔde nsa bɛtwe nsu a ɛwɔ nsu a wɔde yɛ ɔhyew a enni tank mu bere a awɔw bere mu anyinam ahoɔden atwa¶

Sɛ awɔw bere mu ahum bi ma anyinam ahoɔden a ɛwɔ anyinam ahoɔden mu no gyae, anaasɛ wo gas a wode ma no di huammɔ na wuntumi nkɔ so nnya ahoɔden a, ɛsɛ sɛ woyi nsu lita 1.5 (galɔn 0.4) fi kɔbere nsukorabea a ɛwɔ mu no mu ansa na abɔnten mframa a ɛbɔ fa mframa a ɛtwetwe mframa no mu no ayɛ nwini.

BOTTOM PLUMBING MANIFOLD OF A TANKLESS WATER HEATER (BLACKOUT DRAIN SEQUENCE)

        +-------------------------------------------------------+
        |               BOTTOM OF TANKLESS UNIT                 |
        +-------+------------------+-----------------+----------+
                ||                 ||                ||
                ||            [YELLOW GAS]           ||
                ||             [SHUTOFF]             ||
        [Filter Screen Plug]  (Turn 90° OFF)         ||
        (Unscrew to Vent)                            ||
                ||                                   ||
          +-----+-----+                        +-----+-----+
          | BLUE COLD |                        |  RED HOT  |
          |  ISOLATION|                        | ISOLATION |
          |   VALVE   |                        |   VALVE   |
          | (Turn OFF)|                        | (Turn OFF)|
          +-----+-----+                        +-----+-----+
                |===[Service Drain Cap (OPEN)]       |===[Service Drain Cap (OPEN)]
                |           |||                      |           |||
          (Cold Supply)     vvv                (To House)        vvv
                      [Catch Bucket]                       [Catch Bucket]

6-Anamɔn Nhoma Awɔw Bere mu Nsu a Wɔde Hwɛ Nsu Mu¶

Fa channel-lock pliers, flathead screwdriver, ne bokiti yɛ anammɔn asia yi nnidiso nnidiso pɛpɛɛpɛ:

• Anamɔn 1: DUM controller no na yi 120V/230V power cord no fi plug no mu (Esiane sɛ worebɛtwe nsuo afiri unit no mu koraa nti NKUTOO; nnyaw unit a nsuo afiri mu a wɔde ahyɛ mu da anaasɛ anyinam ahoɔden ceramic heaters a ɛyɛ dry no betumi ayɛ hyew dodo).
• Anamɔn 2: To Yellow Gas Supply Valve no mu denam nsa no a wobɛdannan no digrii 90 so sɛnea ɛbɛyɛ a ɛbɛtena tẽẽ (crosswise) wɔ gas pipe no ho.
• Anamɔn 3: To Blue Cold-Water Isolation Valve ne Red Hot-Water Isolation Valve no mu denam ntaban nsa titiriw abien no nyinaa a wobɛdannan no digrii 90 a ɛne kɔbere/PEX paipu a ɛda hɔ gyina hɔ no so.
• Anamɔn 4: Bue Hot and Cold Service Drain Ports: Fa bokiti bi gu isolation valves no ase, yi round brass threaded dust caps no wɔ Blue ne Red service valves no nyinaa nkorabata a ɛwɔ nkyɛnkyɛn no so, na dane service port nketewa T-handles (anaa screwdriver slots) no digrii 90 parallel to the drain spouts na bue.
• Anamɔn 5: Yi Cold-Water Inlet Filter Screen (Critical Air-Lock Release): Hwehwɛ plastic anaa kɔbere kurukuruwa a wɔde ayɛ inlet water filter plug a ɛpuepue tẽẽ fi tankless cabinet no ase wɔ Blue cold valve no atifi pɛɛ. Bue no ma ɛne dɔn no bɔ abira wɔ wo bokiti no so. Sɛ woyi saa filter plug yi fi hɔ a, ɛbubu vacuum airlock a ɛwɔ mu no ma enti nsuo a ɛda kɔbere coils a ɛwɔ soro a ɛwɔ primary heat exchanger no mu no betumi gravity-drain afiri mu.
• Anamɔn 6: Bue Condensate Trap Drain Cap ne One Indoor Hot Faucet: Wɔ condensing models so no, twe condensate trap drain plug a ɛwɔ aseɛ no ma ɛda mpan wɔ secondary collector no mu, na bue nsuo a ɛyɛ hyeɛ faucet a ɛkorɔn sen biara wɔ fie no mu na ama ofie no mu nsuo a ɛyɛ hyeɛ nhama no akɔ mu. Gyae drain caps nyinaa ne inlet filter plug no dum wɔ plastic bag a wɔde sɛn valve no so mu kosi sɛ ahoɔden ne ɔhyew bɛsan aba.

Nea ɛsɛ sɛ woyɛ sɛ wo kɔbere ɔhyew sesa no ayɛ nwini dedaw anaasɛ apaapae a¶

Sɛ wosɔre anɔpa a minus 15-degree-Celsius (5-degree-Fahrenheit) a, dane nsu a ɛyɛ hyew tap no, na nsu zero mfi ɔfã a ɛyɛ hyew no mu bere a tap a ɛyɛ nwini no sen sɛnea ɛte daa no:

1. MMƆ Mmɔden sɛ Wobɛhyew Ɔhyew no: Sɛ mpo wubetumi ahyɛ ɔhyew no ma asɔ a, sɛ wode nsukyenee a ayɛ nwini a ɛwɔ kɔbere afiri a wɔatoto mu mu yɛ hyew a, ɛma nsuonwini nhyɛso mu paapae.
2. To Blue Cold-Water Inlet Isolation Valve no mu Ntɛm ara:
3. Asiane kɛseɛ a ɛwɔ nsuo a ɛyɛ nwini a enni tank mu no ba nnɔnhwereɛ 2 kɔsi 6 akyi berɛ a anɔpa owia anaa kar dan mu hyeɛ kɔ soro boro nwini.
4. Kɔbere ɔhyew sesafo dodow no ara mu paapae bere a ɛyɛ nwini no, nanso nsukyenee plug no ankasa kata mpaapaemu no so bere tiaa bi enti nsu biara ntu bere a ayɛ nwini no. Sɛ wugyaw Blue Cold-Water Inlet Valve no bue bere a unit no reyɛ nwini a, 400 kosi 550 kilopascals (60 kosi 80 PSI) a ɛyɛ municipal nsu nhyɛso bɛpae mpofirim afi kɔbere sheet-metal cabinet a apaapae no mu a ɛyɛ lita 30 simma biara (galɔn 8 simma biara) bere a woreyɛ adwuma no.
5. Fa Hair Dryer Thaw na Yɛ Ɔha biara mu 10 Krak Sɔhwɛ:
6. Sɛ Blue Cold Valve OFF, power cord no yie, na ase service drain ports no abue wɔ bokiti so a, yi anim sheet-metal cover (4 screws) anaa bɔ mframa a ɛyɛ hyew fi hair dryer mu kɔ soro fa ase paipu penetrations no mu simma 20 kosi 30 kosi sɛ nsukyenee nsu bɛtɔ afi drain no mu awie hyɛn gyinabea ahorow.
7. Sɛ ɛyɛ nwini wie a, to service drain ports no mu, san fa inlet filter screen no hyɛ mu, na bɔ Blue Cold-Water Inlet Valve no mu nkakrankakra bue ɔha biara mu nkyem 10 bere a wode kanea rehwɛ soro wɔ unit no ase no:
   • Sɛ nsuo tɔ ntɛm ara fi ɔhyew sesa no ntaban mu kɔ ɔhyew afiri no so: Kɔbere ɔhyew sesa no yɛ freeze-split. To Blue Cold Valve OFF no mu ntɛm ara. Woda so ara betumi asan asɔ wo fie titiriw nsu no na woanya nsuonwini a ɛyɛ daa wɔ wo fie nyinaa mu bere tenten a tankless unit no Blue ne Red isolation valves no da so ara to mu.
   • Sɛ unit no kura nhyɛso a zero mu nsuo a ɛtɔ simma 10: Bue Blue ne Red valves no koraa, mogya mframa wɔ sink hot tap kosi sɛ asuten a ɛkɔ so daa bɛsen, ma anyinam ahoɔden nkitahodi nyinaa we, na fa unit no san hyɛ mu.

Mpɔtam hɔ ntɛmpɛ nɔma ne gas mfiri gyinapɛn ahorow¶

Nsɛm a wɔtaa bisa¶

Dɛn nti na sɛ woyi nsu a wɔde yɛ hyew a enni tank mu bere a awɔw bere mu ayɛ nwini a, ɛma kɔbere ɔhyew sesa no pae?¶

Afiewuranom taa susuw sɛ nsu a wɔde yɛ ɔhyew a enni gas tank mu no de ne gas hyewner di dwuma na ama ayɛ nwini, anaasɛ sɛ wobeyi afiri a entumi nyɛ adwuma yiye afi mu wɔ awɔw bere mu a, ɛyɛ ahwɛyiye a ahobammɔ wom. Nokwarem no, nsu a wɔde yɛ hyew a enni tank no nhyew ne gas hyew a ano yɛ den no da mfa bɔ nwini ho ban efisɛ sɛ wɔyɛ saa a nsu nsen a, ɛbɛnoa nsu a egyina hɔ no ntɛm ara ma ayɛ nsuonwini. Mmom no, ade biara a enni tank no de ne ho to anyinam ahoɔden dɔte a wɔde yɛ ɔhyew a ɛyɛ volt 120 anaa volt 230 a wɔde abɔ kɔbere nsu afiri a ɛwɔ mu no so tẽẽ so. Bere tenten a wɔde afiri no kɔ so hyɛ anyinam ahoɔden afiri a ɛte ase mu, sɛ mframa no adum anaasɛ mfomso bi rehyerɛn mpo a, saa anyinam ahoɔden a wɔde sesa no ma ɔhyew a wɔde sesa no ma ɛyɛ nwini. Sɛ wuyi afiri no fi afiri no mu a wunni kan nyi nsu no mfi ase service valve ahorow no mu a, mframa a ɛyɛ nwini a ɛbɔ kɔ mframa a wɔde yi mframa no mu no bɛma ayɛ nwini na akɔbere ɔhyew sesa no mu apaapae wɔ nnɔnhwerew kakraa bi mu.

Ɔkwan bɛn so na plastic condensate drain pipe a ayɛ nwini a ɛwɔ fie no akyi no de Mfomso Mmara 11 anaa Mfomso Mmara 12 ba?¶

Nsu a wɔde yɛ hyew a ɛnyɛ tank a ɛyɛ adwuma yiye no yi ɔhyew pii fi mframa a wɔde fi mu no mu araa ma nsu a ɛyɛ acidic lita 2 kosi 4 (galɔn 0.5 kosi 1) dɔnhwerew biara no yɛ nwini wɔ ɔhyew sesa a ɛto so abien no mu na ɛfa plastic paipu ketewaa bi a ne kɛse yɛ milimita 13 kosi 19 (nsateakwaa 0.5 kosi 0.75) mu. Baabi a saa paipu ketewaa no fa abɔnten ɔfasu bi mu fi adi anaasɛ ɛfa kar dan a ɛnyɛ hyew mu no, awɔw bere mu mframa ma nsu a ɛreworo so brɛoo no yɛ nwini ma ɛbɛyɛ nsukyenee a ɛyɛ den. Sɛ wɔde hyɛ mu wie a, nsu a ɛyɛ nwini no san kɔ ɔhyew afiri no mu, hyɛ afiri a ɛwɔ mu no ma, na ɛyiri kɔ soro kɔ ɔhyew dan no mu, na ɛde ogyaframa sensor poma ne ogyaframa no hyɛ nsu ase kosi sɛ kɔmputa no bɛdum wɔ Mfomso Mmara 11 (No Ignition) anaa Mfomso Mmara 12 (Ogya a Ɛyera) so.

Nsonsonoe bɛn na ɛwɔ Mfomso Mmara 11 ne Mfomso Mmara 12 a ɛwɔ Rinnai, Noritz, anaa Rheem nsu a wɔde yɛ hyew a enni tank so no ntam?¶

Mfomsoɔ Mmara 11 (a ɛne Navien E003 anaa Takagi 111 yɛ pɛ) kyerɛ sɛ "No Ignition": sɛ wobue nsuo a ɛyɛ hyeɛ tap a, flow turbine no twa ne ho na igniter no hyerɛn, nanso ogyaframa biara nsi hɔ da, mpɛn pii no ɛfiri sɛ wɔato gas valve kɛseɛ no mu, propane tank no mu da mpan anaasɛ ne abɔnten regulator vent no ayɛ iced wɔ so, mframa akɔto gas line no mu, anaa condensate nsu a wɔabɔ ho ban no ayiri afa ɔhyew no mu ansa na wɔafi ase. Mfomso Mmara 12 (a ɛne Navien E012 anaa Takagi 121 yɛ pɛ) kyerɛ "Ogya a Ɛyera": ɔhyewfo no sɔ yiye, ɛhyew sikani anaa simma kakraa bi, na afei ɛdum mpofirim wɔ mfinimfini kyinhyia no mu, a nea ɛtaa fi condensate line a ɛyɛ nwini fã bi a ɛrehuruhuruw kɔ ɔhyewfo no mu, sukyerɛmma siw abɔnten intake/exhaust PVC pipes, a dirty flame-rectification sensor rod, anaasɛ gas line nhyɛso a ɛnnɔɔso bere a ofie fononoo no bɔ bere koro mu no.

Mɛyɛ dɛn atumi ama nsuonwini akɔ so asen wɔ me fie sɛ me nsu a wɔde yɛ ɔhyew a enni tank no mu ɔhyew sesa no yɛ nwini na ɛpaapae a?¶

Sɛ wo nsu a ɛyɛ hyew a enni tank no yɛ nwini na ɛpaapae ne kɔbere ɔhyew sesa no mu a, ɛnsɛ sɛ wufi wo fie nyinaa mu a nsu nni mu bere a woretwɛn nna pii sɛ wobenya afiri foforo a wɔde besi ananmu no. Kɛkɛ nantew kɔ plumbing manifold a ɛwɔ tankless unit no ase tẽẽ na dannan Blue Cold-Water Inlet Isolation Valve ne Red Hot-Water Outlet Isolation Valve no nyinaa digrii 90 tẽẽ ma paipu ahorow no (OFF gyinabea). Sɛ woto saa isolation valves abien no mu a, ɛma nsu a ɛyɛ hyew a enni tank a ɛretu no fi wo fie nsu ho nhama no mu koraa, na ɛma wutumi gyaw wo fie kɛse no mu nsu a wɔde tow valve no mu kɛse sɛnea ɛbɛyɛ a tiafi, sink, ne mfiri nyinaa benya nsuonwini a ɛfata.

Dɛn nti na me faucets a ɛyɛ nwini no kɔɔ so yɛɛ adwuma bere a me faucets a ɛyɛ hyew no gyaee sen koraa wɔ awɔw bere mu no?¶

Sɛ nsuonwini sen sɛnea ɛsɛ wɔ wo fie sink biara mu nanso sɛ wodan nsuo a ɛyɛ hyew faucet biara a, ɛmma nsuo nsen biara (ɛnyɛ nsuo a ɛyɛ nwini mpo a ɛfiri ɔfa a ɛyɛ hyeɛ no mu) a, akwansideɛ no wɔ toa baako a ɛsɛ sɛ nsuo a ɛyɛ hyeɛ nyinaa fa mu no so: nsuo a ɛyɛ hyeɛ a enni tank no ankasa anaa ne nsuo a ɛkɔ mu/firi mu a ɛda adi wɔ kar dan mu, abansoro dan atifi, anaa abɔnten ɔfasuo no mu. Esiane sɛ kɔbere nsukorabea akwan a ɛwɔ ɔhyew sesa afiri a enni tank mu no trɛw yɛ milimita 6 kosi 12 pɛ (nsateakwaa 0.25 kosi 0.5) na ɛtra abɔnten mframa a ɛbue a ɛbue ase pɛɛ nti, ɛyɛ nwini bere tenten ansa na afie mu ɔfasu ho nsu afiri akɛse aba. To Blue Cold Inlet Valve no mu ntɛm ara na fa hair dryer tow unit no brɛoo a ase drain ports no abue.

So metumi de kɔmputa so UPS battery backup ama me gas tankless water heater no ahoɔden bere a awɔw bere mu anyinam ahoɔden atɔ?¶

Yiw, efisɛ nsu a wɔde yɛ ɔhyew a enni gas tank mu no de abɔde mu mframa anaa propane na ɛyɛ ne hyew ɔha biara mu nkyem 100 na ɛde anyinam ahoɔden di dwuma de yɛ ne circuit board, exhaust blower fan, ne anyinam ahoɔden nneɛma a ɛbɔ ho ban fi nwini mu (a ɛtwetwe watt 75 kosi 200 pɛ) nkutoo. Nanso, ɛsɛ sɛ wode "Pure Sine Wave" (True Sine Wave) UPS battery backup a wɔahyɛ sɛ ɛyɛ 1,000 VA kosi 1,500 VA di dwuma, ɛnyɛ sikasɛm nhyehyɛe "Simulated / Modified Sine Wave" kɔmputa UPS da. Sine asorɔkye a wɔasesa no ma asorɔkye a ɛyɛ ahinanan a ɛkɔ anammɔn a ɛma tankless heater no variable-speed combustion blower motor no yɛ hyew dodo, gyina, anaasɛ ɛtow fan-speed error codes.

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Saa akwankyerɛ yi yɛ nsɛm a wɔde bɛma na ɛnsi gas fitter anaa master plumber a ɔwɔ tumi krataa ananmu. Mmue ɔdan a wɔatoto mu a wɔde hyew nneɛma no da anaasɛ w’ankasa nsiesie mframa a ɛwɔ manifold no mu no da, na susuw ho sɛ wobɛfa Red Cross anaa St John Ambulance so akɔ fie ahosiesie a egye ntɛmpɛ ne mmoa a edi kan ho adesua.

Akwankyerɛ ahorow a ɛfa ho¶

• Nsuo a ɛyɛ hyew a enni tank no yɛ nwini-pae, mframa a ɛtwetwe mframa no siw, na mfomso mmara a ɛto mu
• Nsuo a wɔde yɛ ɔhyew a ɛdi huammɔ
• Nsuo afiri a ayɛ nwini
• Paepae a ɛpae
• Awɔw bere mu anyinam ahoɔden a ɛtɔ, anyinam ahoɔden a ɛtɔ bere tenten, ne anyinam ahoɔden a ɛyɛ nwini
• Gas a ɛretu
• Nnɔmba ahorow a egye ntɛmpɛ

Fibea ne aban akwankyerɛ¶

• Rinnai Corporation, Navien Inc., Noritz America, & Takagi: Mfiridwuma ho Ɔsom Nhoma ne Awɔw Bere mu Nwini-Ahobammɔ Ho Nsɛm (Diagnostic Codes 11/12 & E003/E012, Condensate Trap Drainage, ne Manual Freeze-Drain Sequences).
• Ɔman Ogya Ho Banbɔ Fekuw (NFPA) & CSA Kuw: NFPA 54 / ANSI Z223.1 (Ɔman no Fuel Gas Mmara) & CSA B149.1 (Abɔde mu Mframa ne Propane a Wɔde Sisi Ho Mmara - Direct-Vent Clearances Above Snow Grade ne Condensate Disposal).
• Akwahosan ne Ahobanbɔ Dwumadibea (HSE) & Ɔhyew ne Nsu a Ɛyɛ Hɔ Nnwuma Bagua (HHIC, United Kingdom): Adetɔfo ne Wɔn a Wɔde Sisi Akwankyerɛ wɔ Frozen Condensate Pipes (BS 6798 External 32-mm Insulated Pipe Standards).
• Amerika Nsuo Ho Mfiridwumayɛfoɔ Kuo (ASPE) & Amanaman Ntam Mmara Bagua (ICC): Amanaman Ntam Nsuo Ho Mmara (IPC) & Amanaman Ntam Petrol Gas Mmara (IFGC) Gyinapɛn a ɛfa Nsuo a Wɔde Yɛ Nsuo a Ɛyɛ Nsuo a Ɛyɛ Fɛ a Ɛma Nsuo a Ɛyɛ Nwini Ho.