1. Svarbi saugos informacija
Please read all safety instructions carefully before installation and operation to prevent accidents, property damage, or injury. Keep this manual for future reference.
- Gas Type Verification: Always confirm that the gas type indicated on the product's nameplate matches the gas supply available (City Gas 12A, 13A, or LPG).
- Vėdinimas: Ensure adequate ventilation is provided in the installation area, considering the gas consumption of this unit and any other gas appliances in the same room.
- Fire Safety Clearance: Install the appliance in a location where surrounding walls are fire-safe or where effective fire-prevention clearances can be maintained.
- Degios medžiagos: Maintain fire-safe separation distances from combustible materials (including parts of buildings finished with combustible, flame-retardant, or quasi-noncombustible materials). If sufficient clearance cannot be maintained, always implement fire protection measures using a heat shield.
- Nuotėkio patikrinimas: After completing gas connections, always perform a leakage inspection.
- Profesionalus montavimas: Installation and related work must be performed by a qualified professional in accordance with all applicable laws and standards, including but not limited to: Technical Standards for Electrical Equipment, Electrician's Act, Internal Wiring Regulations, Electrical Appliance and Material Safety Act, Building Standards Act, local ordinances, Fire Service Act, Gas Business Act, Liquefied Petroleum Gas Act, and Gas Appliance Installation Standards and Practical Guidelines (issued by the Japan Gas Appliance Inspection Association).
- Garantija: Faults or damages resulting from installation that does not meet specified conditions will be subject to paid repair, even within the warranty period.
- Kliento atsakomybė: The customer is responsible for arranging the installation and related work for the appliance.
- Reikalingos dalys: Please prepare any parts not included with the product yourself.
2. Produktas baigtasview
The NORITZ GQ-2037WS-KB BL is a 20-liter capacity gas water heater designed for hot water supply only, featuring an auto-stop function. It is a wall-mounted unit suitable for city gas (12A/13A) installations.
Pagrindinės funkcijos:
- Hot water supply only with Auto-Stop function.
- Designed for City Gas (12A/13A).
- Wall-mounted installation type.
- Equipped with Q-function and power-saving mode.
- Solar compatibility (for non-auto-stop types, only when operating the main unit; set temperature may not be reached).

Figure 1: Technical drawing and specifications of the GQ-2037WS-KB BL gas water heater. This diagram illustrates the external dimensions, connection points for gas, water supply, hot water output, and electrical wiring, as well as internal component layout.
3. Montavimas
This appliance must be installed by a qualified professional. Refer to the detailed installation manual provided with the product for specific instructions and diagrams. The following are general guidelines:
- Vieta: Install outdoors as a wall-embedded unit. Ensure the location complies with all local building codes and safety regulations.
- Dujų jungtis: Gas connection diameter is R1/2 (15A). Ensure proper sealing and leak testing after connection.
- Vandens jungtys: Water supply and hot water output connections are R1/2 (15A).
- Elektros jungtis: Power supply is AC100V (50/60Hz). Power consumption is 37W (12A, 13A, LPG). Freeze prevention heater consumes 125W.
- Montavimas: Use mounting box type III, IV, or V for installation. Refer to the technical drawing for mounting pitch (510mm vertically, 320mm horizontally).
- Išmetimas: Forced exhaust type (push-in). Ensure the exhaust vent is clear and unobstructed.
4. Operacija
The GQ-2037WS-KB BL water heater is designed for straightforward operation. A remote control is sold separately and is recommended for full functionality. Without a remote, basic operation may be possible directly from the unit, but temperature settings might not be precise.
- Automatinio sustabdymo funkcija: This feature automatically stops hot water supply once a preset volume or time is reached, preventing overflow or excessive use.
- Q-Function: Provides stable hot water temperature even with fluctuating water pressure.
- Energijos taupymo rėžimas: Optimizes energy consumption during periods of low demand.
- Temperatūros reguliavimas: Hot water temperature can be adjusted within a range of 37-48, 60, 75°C (14 levels).
- Nuotolinio valdymo pultas (pasirinktinai): For convenient control and access to all features, a remote control is recommended. Compatible remote controls include RC-7606M (kitchen), RC-7606S (bathroom) for non-auto-stop types, and RC-7607M (kitchen), RC-7607S (bathroom) for auto-stop types.
5. Priežiūra
Regular maintenance ensures the longevity and efficient operation of your gas water heater. Always turn off the gas and power supply before performing any maintenance.
- Išorinis valymas: Išorę nuvalykite minkšta, damp audinys. Nenaudokite abrazyvinių valiklių ar tirpiklių.
- Vandens filtro valymas: The water filter (part of the drain plug) should be periodically checked and cleaned to prevent blockages.
- Profesionalus patikrinimas: It is recommended to have the unit inspected by a qualified service technician at least once a year to ensure all components are functioning correctly and safely.
- Užšalimo prevencija: The unit is equipped with a freeze prevention device (drain plug, electric heater). In extremely cold conditions, ensure proper drainage or consult a professional for additional measures.
6. Problemų sprendimas
If you encounter issues with your water heater, refer to the following basic troubleshooting steps. For complex problems, contact a qualified service technician.
- Be karšto vandens: Check if the gas supply is on, the power supply is connected, and the water pressure is adequate. Ensure no error codes are displayed on the remote or unit.
- Vanduo nepakankamai karštas: Verify the temperature setting. Check for sufficient gas flow and water pressure.
- Neįprasti garsai: If you hear unusual sounds, turn off the unit immediately and contact a service professional.
- Dujų kvapas: If you smell gas, immediately turn off the main gas supply, open windows for ventilation, and evacuate the premises. Do not operate any electrical switches or phones. Contact your gas company and a service professional.
- Klaidų kodai: If an error code appears on the remote or unit, consult the detailed troubleshooting section in the full product manual or contact customer support.
7. Specifikacijos
| Prekė | Specifikacija |
|---|---|
| Produkto pavadinimas | GQ-2037WS-KB BL |
| Taikomas dujų tipas | City Gas 12A, 13A, LPG |
| Diegimo būdas | Outdoor Wall-Embedded Type |
| Išmetimo metodas | Forced Exhaust (Push-in) |
| Uždegimo metodas | Electronic Igniter Direct Ignition |
| Darbinis vandens slėgis | 98.1 - 981 kPa (1.0 - 10.0 kgf/cm²) |
| Minimum Operating Flow Rate/Pressure | 2.7 L/min at 9.81 kPa (0.1 kgf/cm²) |
| Išoriniai matmenys (A x P x G) | 520 mm x 350 mm x 170 mm |
| Svoris (pagrindinis vienetas) | 15 kg (16 kg when full of water) |
| Water Supply/Hot Water Connection Diameter | R1/2 (15A) |
| Gas Connection Diameter | R1/2 (15A) |
| Maitinimo šaltinis | 100 V kintamoji srovė (50/60 Hz) |
| Energijos suvartojimas (eksploatuojant) | 12A, 13A: 37W, LPG: 37W, Freeze Prevention Heater: 125W |
| Energijos suvartojimas budėjimo režimu | 3.0W |
| Maitinimo laido ilgis | Not included (to be provided on-site) |
| Main Unit Exterior Material | Galvanized steel plate, powder coating |
| Šilumokaičio medžiaga | Copper plate, steel pipe |
| Main Unit Exterior Color | GQ White (approximate color: Munsell No. 9.3YR8.4/1.0) |
| Energijos efektyvumas | 81.6% (Mode) |
| Noise Level (Max: A-weighted) | 50dB or less (Hot water supply: measured in an anechoic chamber) |
| Išmetimo temperatūra | 260°C ar mažiau |
| Saugos įtaisai | Flame failure safety device (flame rod), Overheat prevention device (temperature fuse), After-burn safety device (bimetal switch), Overpressure prevention device (spring type), Freeze prevention device (drain plug, electric heater), Leakage protection device, Lightning surge protection device (ZNR) |
| Saulės jungtis | Not possible (possible with main unit operation and non-auto-stop remote, but set temperature may not be reached) |
| Priedai | Mounting screws, etc. |
| Hot Water Output (25°C rise) | 20 l/min |
| Hot Water Output (40°C rise) | 12.5 l/min |
| Hot Water Supply Capacity | 2.5 - 20 liters |
| Water Supply Equipment Certification Registration Number | OW1020 |
Note: Specifications are subject to change without prior notice for product improvement. Gas consumption, hot water output, and hot water supply capacity are based on 13A gas type.
8. Garantija ir palaikymas
NORITZ products are manufactured to high-quality standards. Please retain your proof of purchase for warranty purposes.
- Garantijos aprėptis: Garantija apima medžiagų ir gamybos defektus normaliai naudojant.
- Išimtys: Damage or malfunction caused by improper installation, misuse, neglect, unauthorized repairs, or external factors (e.g., natural disasters) are not covered under warranty. As stated in the safety information, faults or damages resulting from installation that does not meet specified conditions will be subject to paid repair, even within the warranty period.
- Paslauga: For warranty claims or technical support, please contact your authorized NORITZ dealer or service center.
- Product Delays: Compensation for construction delays caused by product delays is not provided. Your understanding is appreciated.