1. Johdanto
Thank you for choosing the MIZUDO NG Sealed Gas Water Heater. This appliance is designed to provide instant hot water efficiently and safely for your home. Featuring a low NOx burner, high energy efficiency, and a user-friendly LED display, this water heater ensures a comfortable and reliable hot water supply. Please read this manual thoroughly before installation and operation to ensure proper use and maintenance.
Image 1.1: MIZUDO NG Sealed Gas Water Heater in a bathroom setting.
2. Turvallisuustiedot
Your safety is paramount. This appliance must be installed and serviced by a qualified professional in accordance with all local codes and regulations. Failure to follow these instructions could result in fire, explosion, property damage, personal injury, or death.
- Gas Leak Protection: The unit is equipped with features to detect and prevent gas leaks.
- CO Intoxication Prevention: Designed to minimize the risk of carbon monoxide buildup.
- Jäätymisenesto: Helps prevent damage from freezing temperatures.
- Ylikuumenemissuoja: Sammuu automaattisesti, jos veden lämpötila ylittää turvalliset rajat.
- Over-pressure Protection: Suojaa liialliselta vedenpaineelta.
- Dry Burn Prevention: Prevents the unit from operating without water, protecting components.
- Alhaiset NOx-päästöt: Features a low emission burner for environmental safety.
Tärkeä huomautus: The flue exhaust system required for installation is not included with the heater and must be purchased separately.
Image 2.1: Comprehensive safety features of the MIZUDO water heater.
3. Tuote ohiview
3.1 Tärkeimmät ominaisuudet
- Low NOx Burner: High efficiency and energy saving, safe and reliable.
- Oxygen-Free Copper Antibacterial Water Tank: Anti-corrosive, leak-proof, rapid thermal conductivity, high energy efficiency, and long lifespan.
- Sealed Chamber Instant Gas Heater: Compatible with solar installations, easy to install.
- Smart Zone Thermostat: Maintains a constant water temperature even when multiple outlets are in use.
- Latest Generation Autonomous Gas Proportion Regulator: Ensures precise temperature control.
- Smooth Electronic Ignition: Automatic low-pressure electronic ignition, works with minimum water pressure of 0.1 bar.
- Multifunctional LED Display: Easy to use, shows water temperature and operational status.
3.2 Sisäiset komponentit
The MIZUDO water heater is built with optimized materials and advanced components for superior performance and durability.
Image 3.1: Internal components of the MIZUDO water heater.
- Vesianturi: Detects water flow and temperature.
- Kaasuventtiili: Controls gas supply to the burner.
- Lämmönvaihtimet: Efficiently transfer heat to the water.
- Älykäs siru: Manages and optimizes the heater's functions.
4. Asennus ja asennus
Installation must be performed by a certified technician. Ensure all local codes and regulations are met.
4.1 Asennukseen tarvittavat työkalut
The following tools are typically required for installation and are not included with the product:
- Sähköpora
- Vasara
- Säädettävä jakoavain
- Ruuvimeisseli
Image 4.1: Tools needed for installation.
4.2 Product Dimensions and Connections
Refer to the diagram below for product dimensions and connection points.
Image 4.2: Product dimensions and connection details.
- Kaasuliitäntä: 1/2"
- Kylmävesiliitäntä: 1/2"
- Kuuman veden liitäntä: 1/2"
- Savupiippujen liitäntä: Ø 60/100 mm
4.3 Flue Exhaust System
The flue exhaust system is critical for safe operation and must be installed correctly. It is not included and must be purchased separately.
Image 4.3: Flue installation instructions.
- The exhaust pipe can be installed on the side.
- The exhaust pipe can be installed on the rear.
- The exhaust pipe should not exceed 3 meters in length.
4.4 Asennuspaikat
This sealed gas water heater can be installed in various enclosed spaces within your home, such as the bathroom, kitchen, or balcony, provided proper ventilation and flue requirements are met.
Kuva 4.4: Esim.amples of water heater installation in a bathroom, kitchen, and balcony.
Image 4.5: Diagram illustrating installation in various enclosed spaces.
5. Käyttöohjeet
5.1 Ensimmäinen käyttöönotto
- Varmista, että kaasun syöttöventtiili on auki.
- Open a hot water tap. The electronic ignition system will automatically activate the burner.
- LED-näyttö näyttää veden nykyisen lämpötilan.
5.2 Lämpötilan säätö
Use the controls on the LED display to adjust the desired water temperature. The smart thermostat will maintain a constant temperature, providing stable and comfortable hot water.
Image 5.1: LED display for temperature control.
5.3 Instant Hot Water Delivery
The unit provides instant hot water at a flow rate of 11 liters per minute, eliminating waiting times.
Image 5.2: Illustration of instant hot water delivery.
5.4 Low Water Pressure Operation
The electronic ignition system allows the heater to function effectively even with a minimum water pressure of 0.1 bar, ensuring hot water availability in low-pressure environments.
6. Huolto
Regular maintenance is crucial for the longevity and efficient operation of your MIZUDO gas water heater. It is recommended to have the appliance inspected and serviced annually by a qualified technician.
- Puhdistus: Pidä laitteen ulkopinta puhtaana. Älä käytä hankaavia puhdistusaineita.
- Ilmanvaihto: Ensure the area around the water heater is clear and well-ventilated. Do not obstruct the air intake or exhaust vents.
- Savuhormijärjestelmän tarkistus: Regularly inspect the flue exhaust system for any blockages, damage, or leaks.
- Vesiliitännät: Check for any signs of leaks at the water inlet and outlet connections.
- Kaasuliitännät: Periodically check gas connections for any signs of leaks (e.g., using a soap solution).
- Ammattitaitoinen palvelu: For internal cleaning, component checks, and burner adjustments, always consult a professional.
7. Vianmääritys
If you encounter issues with your water heater, refer to the following basic troubleshooting steps. For complex problems or error codes, contact customer support or a qualified technician.
- Ei kuumaa vettä:
- Tarkista, onko kaasunsyöttö auki.
- Ensure water pressure is sufficient (minimum 0.1 bar).
- Verify the power supply to the unit.
- Check if the LED display shows any error codes.
- Epätasainen veden lämpötila:
- Ensure the desired temperature is set correctly on the LED display.
- Check for adequate water flow.
- If the issue persists, a professional inspection of the smart thermostat or gas regulator may be needed.
- Kaasun haju:
- HETI turn off the gas supply to the unit.
- Avaa ikkunat ja ovet ilmanvaihtoa varten.
- Älä käytä sähkökytkimiä tai laitteita.
- Evacuate the premises and contact your gas provider and a qualified technician from a safe location.
- Error Codes on LED Display:
- Consult the full product manual (if available) for specific error code meanings.
- Contact customer support with the error code for assistance.
8. Tekniset tiedot
| Ominaisuus | Erittely |
|---|---|
| Valmistaja | MIZUDO |
| Mallinumero | PB1121D-001A-01-XXA-NG |
| Mitat (P x L x K) | 72 x 41 x 26 cm |
| Paino | 13.5 kg |
| Kapasiteetti | 11 litraa |
| Virtausnopeus | 11 Liters per hour (Note: This is likely a typo in source data, usually L/min for water heaters) |
| Virtalähde | Maakaasu (NG) |
| Lämpöteho | 5 kilowattia |
| Tehokkuusluokitus | A |
| Erikoisominaisuudet | LED-näyttö |
| Materiaali | Seosteräs |
| Tyyli | 11L NG Sealed |
9. Takuu ja tuki
MIZUDO is committed to product quality. If you experience any issues with the quality of your product, please contact us. We provide service in accordance with our warranty policy. You can reach us by phone, email, or message.
Please refer to your purchase documentation or the official MIZUDO websivustolta löydät tarkemmat takuuehdot ja yhteystiedot.
