Introdución
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Rinnai RE199eN Non-Condensing Natural Gas Tankless Water Heater. Please read this manual thoroughly before installation or use and keep it for future reference.
The Rinnai RE199eN is a high-efficiency outdoor tankless water heater designed to provide a continuous supply of hot water for your home. Its compact design allows for flexible installation in various outdoor spaces.
Información de seguridade
AVISO: Unha instalación, un axuste, unha alteración, unha revisión ou un mantemento incorrectos poden causar danos materiais, lesións ou a morte. Consulte este manual. Para obter axuda ou información adicional, consulte cun instalador cualificado, unha axencia de servizo ou o subministrador de gas.
Instalación profesional recomendada: It is strongly recommended that this water heater be installed by a qualified technician. Do not attempt to install this unit without professional assistance.
- Ensure proper ventilation if installed in an enclosed outdoor space.
- Verify gas type (Natural Gas) matches the unit's specifications.
- Manteña os materiais inflamables lonxe do quentador de auga.
- Do not block the exhaust or air intake vents.
Características do produto
- Deseño intelixente: Improved internal layout for easier installation and serviceability.
- Pantalla LED: Provides service reminders and error codes for quick diagnostics.
- Auga quente continua: Delivers up to 9.8 GPM, sufficient for multiple fixtures simultaneously.
- Tamaño compacto: Designed to be the size of a small suitcase, saving valuable space.
- Eficiencia enerxética: Heats water only when necessary, conserving energy.
- Optional Wi-Fi Control: Compatible with Rinnai Controlr module (not included) for smart home integration.

Figura 1: Fronte view of the Rinnai RE199eN Tankless Water Heater.

Figure 2: Space-saving design comparison. The tankless unit is significantly smaller than a traditional tank water heater.
Configuración e instalación
The Rinnai RE199eN is designed for outdoor installation. Proper planning and adherence to local codes are crucial for safe and efficient operation.
Lista de verificación previa á instalación:
- Localización: Choose an outdoor location with adequate clearance and protection from extreme weather.
- Subministro de gas: Ensure the gas line size is sufficient (recommended 3/4 inch) for the unit's BTU requirements.
- Conexións de auga: Plan for hot and cold water line connections.
- Subministro eléctrico: The unit requires an electrical connection (120V AC).
- Ventilación: Ensure proper clearance for exhaust and air intake.

Figura 3: Example of an outdoor installation.
Groundwater Temperature Impact:
The maximum flow rate (GPM) of your tankless water heater is affected by the incoming groundwater temperature. Refer to the Groundwater Temperature Map to understand the expected performance in your region.

Figure 4: Groundwater Temperature Map and Flow Rate Chart. This chart helps determine the unit's performance based on regional water temperatures.
Dimensións:

Figura 5: Dimensións do produto para a planificación da instalación.
Instrucións de funcionamento
Your Rinnai tankless water heater is designed for automatic operation. Hot water is produced on demand when a hot water tap is opened.
Inicio inicial:
- Asegúrate de que todas as conexións de gas e auga estean seguras e non teñan fugas.
- Abra unha billa de auga quente para que a auga flúa a través da unidade.
- Conecte a subministración de gas á unidade.
- Plug in the unit to the electrical outlet.
- The unit will initiate its startup sequence. Hot water should be available shortly.
Axuste de temperatura:
The LED display allows you to set the desired hot water temperature. Refer to the detailed installation manual for specific instructions on adjusting the temperature settings.
Mantemento
Regular maintenance ensures the longevity and efficiency of your Rinnai tankless water heater. It is recommended to have a qualified technician perform annual maintenance.
Tarefas de mantemento recomendadas:
- Lavado: Periodically flush the heat exchanger to remove mineral buildup, especially in areas with hard water.
- Inspección de ventilación: Check the exhaust and air intake vents for obstructions or damage.
- Limpeza de filtros: Clean any inline filters as per the full manual's instructions.
- Inspección xeral: Inspect all connections for leaks and ensure the unit is free from debris.
Resolución de problemas
The LED display on your Rinnai water heater can show error codes to help diagnose issues. Consult the full installation manual for a comprehensive list of error codes and their solutions.
Problemas comúns e solucións:
| Problema | Causa posible | Solución |
|---|---|---|
| Sen auga quente | Sen subministración de gas, sen electricidadetage, water flow too low. | Check gas valve, verify power, ensure adequate water flow (open tap fully). |
| Temperatura inconsistente | Mineral buildup, fluctuating water pressure, incorrect temperature setting. | Perform heat exchanger flush, check water pressure, adjust temperature setting. |
| Código de erro mostrado | Fallo específico do sistema. | Note the code and refer to the detailed manual's troubleshooting section or contact a qualified technician. |
If issues persist, contact a qualified Rinnai service professional.
Especificacións
| Característica | Detalle |
|---|---|
| Marca | Rinnai |
| Número de modelo | REU-VE2737WD-US-N (RE199eN) |
| Dimensións do produto (L x A) | 14.05" x 27.24" |
| Peso do elemento | 53.1 libras |
| Característica especial | Pantalla LED |
| Cor | Prata |
| Wattage / Saída de calor | 199,000 BTU |
| Caudal máximo | 9.8 galóns por minuto |
| Eficiencia | 0.81 UEF |
| Tipo de montaxe | Muro |
| Tipo de combustible | Gas Natural |
| Tipo de instalación | Ao aire libre |
Garantía e Soporte
Rinnai offers a comprehensive warranty for your tankless water heater:
- Intercambiador de calor: 15-year residential guarantee
- Partes: 5-year residential guarantee
- Laboral: 1-year residential guarantee
For detailed warranty information, product guides, and additional support resources, please refer to the official Rinnai website or the full installation manual. You can find the Installation Manual (PDF) aquí.
To locate a qualified Rinnai PRO technician for installation or service, visit the "Find a Rinnai PRO" page on the Rinnai websitio.