1. Johdanto
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your MIZUDO 11kW 240V Electric Tankless Water Heater. Please read it thoroughly before installation and use, and keep it for future reference.
Figure 1: MIZUDO 11kW 240V Electric Tankless Water Heater
Video 1: MIZUDO Electric Tankless Water Heater Overview. This video highlights the main features and benefits of the MIZUDO tankless water heater.
2. Tärkeitä turvallisuustietoja
Failure to follow these instructions could result in property damage, serious injury, or death. This appliance must be installed by a qualified electrician and plumber in accordance with all local and national codes.
2.1 Turvaominaisuudet
- ETL-sertifioitu: Varmistaa Pohjois-Amerikan turvallisuusstandardien noudattamisen.
- Vuotosuojaus: Designed to prevent water leaks.
- Ylikuumenemissuoja: Sammuu automaattisesti, jos veden lämpötila ylittää turvalliset rajat.
- Dry-heating Protection: Prevents damage if the unit operates without water.
- IPX4 vedenpitävä: Provides protection against splashing water.
- Scald Prevention: Helps maintain stable output temperature to prevent scalding.
- Flame-retardant Shell: Constructed with materials resistant to fire.
- Alhaisen virtauksen suojaus: Ensures proper operation and safety under low water flow conditions.
- Voitage Suojaus: Safeguards against electrical voltage vaihtelut.
Figure 2: ETL Certified with 6-Stage Turvallisuus
3. Tuotteen ominaisuudet
The MIZUDO 11kW Tankless Water Heater offers advanced technology for efficient and reliable hot water supply.
- Välitön lämmitys: Heats water in approximately 3 seconds, providing on-demand hot water.
- Korkea energiatehokkuus: Boasts 98% thermal efficiency, reducing electricity costs by up to 60% compared to traditional tank heaters.
- Virtausnopeus: Delivers up to 2.6 GPM (Gallons Per Minute), suitable for 1-2 points of use simultaneously.
- Vakaa lämpötilan säätö: A smart system fine-tunes heating power 20,000 times per second to maintain temperature within ±1°F.
- Kompakti muotoilu: Measures 14.2"H x 9.5"L x 2.8"W, saving over 50% space compared to tank-style heaters.
- LED -digitaalinäyttö: Allows easy temperature setting between 86°F and 140°F.
Figure 3: Key Features of the MIZUDO Tankless Water Heater
Figure 4: Internal Components and Performance
Figure 5: Stable Constant Temperature for a Comfortable Experience
Figure 6: Endless Hot Water on Demand for Multiple Uses
4. Tekniset tiedot
| Erittely | Arvo |
|---|---|
| Merkki | MIZUDO |
| Mallinumero | 11 kW |
| Virtalähde | Hard Wiring Required |
| Tuotteen mitat | 9.5" L x 14.2" K x 2.8" S |
| Väri | Valkoinen |
| Wattage | 11 kW |
| Voitage | 240 volttia (AC) |
| Asennustyyppi | Seinä |
| Tuotteen paino | 11.62 kiloa |
| Katkaisijavaatimus | 1 x 50 Amp Two-Pole Breaker |
| Wire Size Requirement | 1 x 8 AWG |
| Vesiliitännät | 1/2" NPT-kierre |
| Käyttöpaine | Max. 150 PSI |
| Vesitiivis luokitus | IPX4 |
Figure 7: Product Parameters and Installation Guide
Figure 8: North America Ground Water Temperature Map and Usage Guide
5. Asennusopas
Proper installation is crucial for the safe and efficient operation of your MIZUDO tankless water heater. It is highly recommended that installation be performed by a qualified professional.
5.1 Asennusta edeltävä tarkistuslista
- Ensure you have a 50 AMP two-pole breaker and 8 AWG wires.
- Verify 1/2" NPT water connections are available.
- Confirm the installation location is suitable, considering the unit's compact size (14.2"H x 9.5"L x 2.8"W).
- Turn off all power to the installation area at the main breaker panel.
5.2 Installation Steps (Refer to Video)
For a detailed visual guide, please watch the official installation video below. The video covers unboxing, mounting, water connections, and electrical connections.
Video 2: Installation of MIZUDO 11kW Electric Tankless Water Heater. This video provides a step-by-step guide for unboxing, mounting the unit, connecting water lines, and making electrical connections to ensure proper setup.
- Pakkauksen purkaminen: Carefully open the package and remove the water heater and accessories.
- Asennus: Use the provided template to mark and drill holes. Insert wall anchors and partially fasten screws. Hang the unit and secure it by tightening the screws.
- Vesiliitännät: Connect the inlet and outlet water pipes (1/2" NPT) to the unit. Ensure sealing rings are properly placed and connections are tight.
- Sähköliitännät: CAUTION: Ensure power is OFF before connecting wires. Connect the 8 AWG wires to the appropriate terminals (L1, L2, Ground) within the unit and to the 50 Amp two-pole breaker in your electrical panel.
- Water Line Air Purge: Before powering on, open a hot water faucet to purge all air from the water lines. This prevents dry-heating damage.
- Virta päälle: Once water lines are purged and all connections are secure, turn on the circuit breaker.
6. Käyttö
Your MIZUDO tankless water heater features an intuitive LED digital display for easy temperature control.
Figure 9: Digital Display & Touch Control Panel
- Virta päälle/pois: Press the power button (usually indicated by a circle with a vertical line) on the touch display to turn the unit on or off.
- Aseta lämpötila: Use the up and down arrow buttons on the display to adjust your desired water temperature. The temperature range is typically 86°F to 140°F.
- Lämpötilayksikön muunnos: If available, press the F/C button to switch between Fahrenheit and Celsius display.
- Water Flow Signal: The display may show a water flow signal when hot water is being drawn, indicating active heating.
The unit will automatically heat water to your set temperature as soon as water flow is detected.
7. Huolto
Säännöllinen huolto varmistaa läpivirtauslämmittimesi pitkän käyttöiän ja optimaalisen suorituskyvyn.
- Kalkinpoisto: Depending on your water hardness, periodic descaling (flushing with a descaling solution) may be necessary to prevent mineral buildup. Consult a professional for this service.
- Suodatinverkon puhdistus: Check and clean the inlet filter screen periodically to ensure unrestricted water flow.
- Ulkoinen puhdistus: Pyyhi laitteen ulkopuoli pehmeällä, damp kangas. Älä käytä hankaavia puhdistusaineita.
- Safety Thermal Cut-off Reset: If the unit stops working due to a safety thermal cut-off, follow the instructions below to reset it.
7.1 Safety Thermal Cut-off Reset Instructions
Warning: Please ensure to operate under power-off conditions.
- Remove the outer shell: Carefully detach the front cover of the water heater.
- Locate the safety thermal cut-off: Identify the reset button, typically a small red button, on the internal components.
- Press the reset button with a screwdriver: Gently press the button until it clicks.
- Install the outer shell: Kiinnitä etukansi kunnolla takaisin.
To determine if the safety thermal cut-off has tripped, check if the display screen shows nothing, if the municipal power supply is normal (test other appliances), and if the circuit breaker connected to the water heater has not tripped. If these conditions are met, the product limiter may have tripped.
Figure 10: Safety Thermal Cut-off Reset Procedure
8. Vianmääritys
If you encounter issues with your MIZUDO tankless water heater, refer to the common problems and solutions below. For persistent issues, contact customer support.
| Ongelma | Mahdollinen syy | Ratkaisu |
|---|---|---|
| Ei lämmintä vettä / Laite ei käynnisty | No power, tripped circuit breaker, safety thermal cut-off tripped, no water flow. | Check power supply. Reset circuit breaker. Refer to Section 7.1 Safety Thermal Cut-off Reset Instructions. Ensure water supply is on and flowing. |
| Vesi ei ole tarpeeksi kuumaa / Lämpötila vaihtelee | Inlet water temperature too low, excessive flow rate, mineral buildup, incorrect temperature setting. | Adjust temperature setting higher. Reduce water flow at the faucet. Consider professional descaling. Refer to Figure 8 for GPM vs. inlet temperature. |
| Vesivuoto | Loose connections, damaged pipes or seals. | Turn off water supply and power immediately. Check all water connections for tightness. Inspect pipes and seals for damage. Contact a qualified plumber. |
| Virhekoodi näytöllä | Sisäinen vika tai anturiongelma. | Note the error code and consult the full user manual (if provided separately) or contact MIZUDO customer support. |
9. Takuu ja tuki
MIZUDO provides long-term return & exchange services along with professional technical consulting support for your product.
For warranty claims, technical assistance, or any questions regarding your MIZUDO 11kW Electric Tankless Water Heater, please contact MIZUDO customer service through the retailer where you purchased the product or visit the official MIZUDO websivustolta yhteystiedot.
MIZUDO Store: Visit the MIZUDO Store on Amazon
