1. Introduktion
This manual provides essential information for the installation, operation, and maintenance of your Rinnai RE160eN Non-Condensing Natural Gas Tankless Water Heater. This model is designed for outdoor installation and provides up to 6.6 Gallons Per Minute (GPM) of hot water.
The unit features an LED display for operational status and error codes, and a compact design for efficient space utilization.

Figur 1: Forside view of the Rinnai RE160eN Tankless Water Heater, showing the Rinnai logo and the digital LED display.
2. Produktfunktioner
- Effektivt design: Heats water only when required, contributing to energy conservation.
- Kompakt størrelse: The unit's dimensions are comparable to a small suitcase, allowing for flexible installation in outdoor spaces.
- Høj flowhastighed: Delivers up to 6.6 GPM, suitable for multiple simultaneous hot water demands.
- LED display: Provides service reminders and displays error codes for diagnostic purposes.
- Forenklet installation: Features a cleaner internal layout and a new sliding bracket for easier alignment during installation.
- Optional Connectivity: Can be integrated with a Rinnai Controlr module (not included) for WiFi connectivity and remote monitoring.

Figure 2: Comparison illustrating the space-saving design of a tankless water heater compared to a traditional tank unit.
3. Installationsvejledning
Professionel installation anbefales: Installation of this tankless water heater requires specialized knowledge of gas, water, and electrical systems. It is strongly recommended that installation be performed by a qualified, licensed professional. Improper installation can lead to property damage, serious injury, or death.
- Ensure the installation location is outdoors and complies with all local codes and regulations for gas appliances.
- The unit's design includes a sliding bracket for simplified mounting and alignment.
- Refer to the comprehensive installation manual provided with the product packaging for detailed instructions, diagrams, and safety warnings.
- Verify gas type (Natural Gas) and pressure requirements before connection.

Figur 3: Eksample of an outdoor installation of a Rinnai tankless water heater on a residential exterior wall.

Figure 4: Dimensional drawing of the Rinnai RE160eN unit, indicating height, width, and depth for installation planning.
4. Betjeningsvejledning
The Rinnai RE160eN operates on demand, heating water only when a hot water tap is opened. The unit's LED display provides real-time status and allows for basic user interaction.
4.1. Indledende opstart
- Sørg for, at alle gas- og vandtilslutninger er sikre og lækagefri.
- Åbn en varmtvandshane i dit hjem for at lade vandet strømme gennem enheden.
- Tænd for gasforsyningen til enheden.
- Power on the unit. The LED display will illuminate, indicating readiness.
- The unit will automatically ignite and begin heating water as it flows.
4.2. Temperaturjustering
Refer to the detailed operating guide for instructions on adjusting the output water temperature via the unit's controls or an optional remote controller.
4.3. LED-displayinformation
The LED display provides important information, including:
- Aktuel vandtemperatur.
- Operational status indicators.
- Service reminders.
- Error codes (refer to the troubleshooting section for code interpretations).
4.4. Groundwater Temperature Considerations
The maximum flow rate (GPM) achievable by the unit can vary based on the incoming groundwater temperature. Colder incoming water requires more energy to heat, potentially reducing the maximum available flow rate.

Figure 5: Groundwater Temperature Map and corresponding flow rate table, illustrating how regional groundwater temperatures affect the maximum hot water output of the RE160eN unit.
5. Vedligeholdelse
Regular maintenance ensures optimal performance and longevity of your tankless water heater. It is recommended to have the unit inspected and serviced annually by a qualified technician.
- flushing: Periodically flush the unit to remove mineral buildup, especially in areas with hard water. Consult your professional installer or the full manual for specific flushing procedures.
- Udvendig rengøring: Keep the exterior of the unit clean and free from obstructions.
- Ventilation: Ensure the air intake and exhaust vents are clear of debris.
- Frostbeskyttelse: As an outdoor unit, ensure proper freeze protection measures are in place, especially in colder climates.
6. Fejlfinding
The LED display on your Rinnai RE160eN will show error codes if a fault occurs. Refer to the comprehensive troubleshooting guide in your product manual for a complete list of codes and their corresponding solutions.
Generelle fejlfindingstrin:
- Intet varmt vand: Check gas supply, water supply, and electrical power. Ensure no error codes are displayed.
- Fluctuating Temperature: Verify adequate water flow. Ensure the unit is not undersized for demand.
- Fejlkoder: Note the specific code displayed and consult the full manual for diagnostic steps. Many issues require professional service.
If you encounter persistent issues or error codes, contact a qualified Rinnai service technician.
7. Tekniske specifikationer
| Specifikation | Detalje |
|---|---|
| Mærke | Rinnai |
| Modelnummer | REU-VE2125WD-US-N (RE160eN) |
| Produktmål (B x H x D) | 14.05" x 27.24" x 10.77" (357 mm x 581 mm x 274 mm) |
| Varens vægt | 49.4 pund |
| Brændstoftype | Naturgas |
| Installationstype | Udendørs |
| Maksimal flowhastighed | 6.6 gallon pr. minut (GPM) |
| BTU -input | 160,000 BTU |
| Maksimal temperatur | 140°F (Adjustable) |
| Effektivitet | High (Non-Condensing) |
| Speciel funktion | LED Display |
| Monteringstype | Væg |
8. Garanti og support
8.1. Garantioplysninger
The Rinnai RE160eN Tankless Water Heater includes a residential guarantee:
- Varmeveksler: 15 års begrænset garanti.
- Arbejdskraft: 5 års begrænset garanti.
- Dele: 1 års begrænset garanti.
Please refer to the official warranty document included with your product for complete terms and conditions.
8.2. Kundesupport
For technical assistance, service, or to locate a qualified Rinnai professional for installation or maintenance, please visit the "Find a Rinnai PRO" section on the official Rinnai website. Professional installation and service are highly recommended to ensure safe and correct operation of your unit.
Vigtige sikkerhedsoplysninger
ADVARSEL: Dette produkt kan udsætte dig for kemikalier, herunder bly og blyforbindelser, som staten Californien har kendskab til for at forårsage kræft og fosterskader eller andre reproduktionsskader. For mere information, gå til www.P65Warnings.ca.gov.
Always adhere to all local and national safety codes and regulations during installation, operation, and maintenance. Failure to do so can result in property damage, serious injury, or death.





