Introduction
The Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater provides efficient, on-demand hot water for your home. This unit heats water only when needed, reducing standby energy loss compared to traditional tank water heaters. Its compact, wall-mounted design saves space, and the integrated LED display offers diagnostic codes and service reminders for simplified maintenance.
This manual provides essential information for the safe and effective use of your Rinnai tankless water heater, covering installation, operation, maintenance, and troubleshooting.

Сүрөт 1: Алдыңкы view of the Rinnai RE199iN Tankless Water Heater.
Орнотуу жана орнотуу
The Rinnai RE199iN is designed for indoor installation with proper venting. Professional installation by a qualified technician is strongly recommended to ensure safe gas line connection, adherence to local codes, optimal performance, and full warranty protection. Refer to the detailed installation instructions provided with your unit for specific requirements.
Consider your home's hot water demands and local groundwater temperatures when determining the best placement and sizing for your unit. Rinnai provides sizing guides and groundwater temperature maps to assist with this process.

2-сүрөт: Мисample of an indoor Rinnai tankless water heater installation.

Figure 3: Space-saving design of a tankless water heater compared to a traditional tank unit.

Figure 4: Groundwater Temperature Map and Flow Rate Guide for optimal sizing.
Installation Video: Features & Benefits
Video 1: An official Rinnai video highlighting the features and benefits of their tankless water heaters, including installation aspects.
Продукт бүттүview Video
Видео 2: Кыскача 360 градустук көрүнүш view of the Rinnai RE/REP tankless water heater, showcasinанын дизайны жана байланыштары.
Иштөө нускамалары
Your Rinnai RE199iN water heater provides hot water on demand. The unit features an LED display for easy temperature adjustment and monitoring. The default temperature setting is typically 120°F (49°C), which is suitable for most household needs and helps prevent scalding.
- Температураны жөндөө: Use the up and down arrows on the LED display to set your desired hot water temperature. The maximum temperature is 140°F (60°C).
- Күйгүзүү/өчүрүү функциясы: The unit can be turned on or off using the dedicated button on the display.
- Артыкчылыктуу режим: If available, the priority button allows you to prioritize hot water delivery to a specific fixture or zone.
- Smart Home интеграциясы: For enhanced control and monitoring, the Rinnai Controlr module (sold separately) enables WiFi connectivity and smart home integration.

Figure 5: LED control panel for temperature and settings.
Техникалык тейлөө
Regular maintenance ensures the longevity and efficiency of your Rinnai tankless water heater. The LED display will provide service reminders to prompt necessary actions. Key maintenance tasks include:
- Annual Descaling: To prevent mineral buildup, it is recommended to descale the unit annually, especially in areas with hard water. This process involves circulating a descaling solution through the heat exchanger.
- Вентиляцияны текшерүү: Periodically inspect the ventilation system for any obstructions or damage.
- Жалпы тазалоо: Агрегаттын сыртын таза жана чаңдан жана таштандылардан таза кармаңыз.
Always consult the full product manual for detailed maintenance procedures or contact a qualified service technician.

Figure 6: Tankless units offer extended lifespan with proper maintenance.
Проблемаларды чечүү
The Rinnai RE199iN is equipped with an LED display that shows diagnostic codes in case of an operational issue. These codes help identify the problem quickly. Refer to the troubleshooting section in your comprehensive product manual for a list of codes and their corresponding solutions.
Common issues and initial steps:
- Ысык суу жок: Check the power supply, gas supply, and ensure the unit is turned on. Verify the temperature setting.
- Температуранын өзгөрүшү: This can be caused by low water flow or mineral buildup. Check water flow rates and consider descaling.
- Ката коддору: Note the specific code displayed and consult your manual. If the issue persists, contact a certified Rinnai technician.
For complex problems or if you are unsure about a diagnostic code, always contact a qualified professional for assistance.
Техникалык шарттар
The Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater offers robust performance and features:
| Өзгөчөлүк | Спецификация |
|---|---|
| Бренд | Риннай |
| Модель номери | REU-VE2737FFD-US-N |
| Power Source | Жаратылыш газы |
| Жылуулук чыгаруу | 199,000 BTU |
| Flow Rate | Мүнөтүнө 9.8 Галлон (GPM) |
| Максималдуу Температура | 140 градус Фаренгейт |
| Продукциянын өлчөмдөрү (W x H) | 14.05"W x 27.28"H |
| Элемент Салмагы | 52.1 фунт |
| Тоо түрү | Wall |
| Өзгөчөлүктөр | LED Display, Smart Home Compatible (with optional Controlr module) |

Figure 7: Model comparison and key specifications.

Figure 8: Exterior dimensions of the Rinnai Non-Condensing unit.
Кепилдик маалымат
The Rinnai RE199iN Tankless Water Heater is built for residential performance and includes a comprehensive warranty:
- Жылуулук алмаштыргыч: 15 жылдык чектелген кепилдик
- Бөлүктөр: 5 жылдык чектелген кепилдик
- Эмгек: 1 жылдык чектелген кепилдик
Please retain your proof of purchase and installation records for warranty claims. For full terms and conditions, refer to the warranty document included with your product or visit the official Rinnai webсайт.
Колдоо
For technical assistance, service inquiries, or to purchase accessories like the Rinnai Controlr module for WiFi connectivity, please contact Rinnai customer support. You can find contact information on the official Rinnai webсайтында же продуктунун таңгагында.
Rinnai is dedicated to providing high-quality, safe, and efficient appliances. Our customer support team is available to assist you with any questions or concerns regarding your tankless water heater.