1. Sarrera
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Rinnai RE160iN Non-Condensing Natural Gas Tankless Water Heater. Please read this manual thoroughly before installation or use and retain it for future reference. This unit is designed for indoor installation and provides up to 6.6 Gallons Per Minute (GPM) of hot water.

1. irudia: Aurrealdea view of the Rinnai RE160iN Tankless Water Heater.
2. Segurtasun informazioa
OHARRA: Instalazio, doikuntza, aldaketa, zerbitzu edo mantentze desegokiak kalteak, lesioak edo heriotza eragin ditzakete. Irakurri arretaz instalazio, funtzionamendu eta mantentze-argibideak ekipo hau instalatu edo zaindu aurretik.
- Always ensure proper ventilation as specified in the installation guide.
- Ez biltegiratu edo erabili gasolina edo bestelako lurrun eta likido sukoiak aparatu honen edo beste edozein aparaturen inguruan.
- Professional installation by a qualified technician is highly recommended to ensure safety and compliance with local codes.
- Keep children away from the water heater and its controls.
3. Produktua amaitu daview
The Rinnai RE160iN tankless water heater offers advanced technology for efficient hot water delivery. Its compact design saves space, and the integrated LED display provides operational status and error codes.
Ezaugarri nagusiak:
- Diseinu adimenduna: Features a cleaner internal layout and a new sliding bracket for easier alignment during installation.
- LED pantaila: Provides service reminders and error codes for enhanced serviceability.
- Tamaina trinkoa: Designed to be highly compact, similar to a small suitcase, allowing for flexible installation locations.
- Eraginkortasun handia: Heats water only when needed, reducing energy waste.
- Etengabeko ur beroa: Eskariaren arabera ur beroaren hornidura mugagabea eskaintzen du.
- Etxe adimendunaren bateragarritasuna: Can be made smarter with an optional Rinnai Controlr for WiFi connectivity (not included).

Figure 2: Rinnai RE160iN with its LED display for status and control.
4. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Marka | Rinnai |
| Modelo zenbakia | REU-VE2125FFD-US-N |
| Produktuaren neurriak | 14.05 cm-ko zabalera x 27.28 cm-ko altuera x 10.77 cm-ko sakonera |
| Elementuaren pisua | 48.5 kilo |
| Energia iturria | Gas naturala |
| liburukiatage | 120 Volt |
| Gehienezko Emaria | 6.6 litro minutuko |
| Tenperatura maximoa | 140 gradu Fahrenheit |
| Eraginkortasuna | 0.81 |
| Muntatze Mota | Horma |
| Kolorea | Zilarrezkoa |
| Kutxan dagoena | Depositu gabeko ur-berogailua |
5. Instalazioa
The Rinnai RE160iN is designed for indoor installation. Due to the complexity of gas and water connections, professional installation by a qualified technician is strongly recommended. Incorrect installation can lead to serious injury, property damage, or void the product warranty.
Jarraibide orokorrak:
- Ensure the installation location complies with all local and national codes for gas appliances.
- Verify adequate ventilation and proper venting for exhaust gases.
- The unit requires a 3/4" natural gas line.
- Proper water and gas shut-off valves should be installed for maintenance.
- Mount the unit securely to a wall using appropriate hardware.

3. irudia: Adibample of a Rinnai tankless water heater with connected plumbing and gas lines.
6. Funtzionamendua
Your Rinnai RE160iN water heater is designed for simple operation. Once installed and connected, it will provide hot water on demand.
Unitatea piztea / itzaltzea:
The unit typically operates automatically. Refer to the LED display for current status. Use the On/Off button on the control panel if manual intervention is required.
Uraren tenperatura ezartzea:
The desired water temperature can be adjusted using the up and down arrows on the control panel. The current approximate water temperature will be displayed on the LED screen. For safety, especially in homes with children, it is recommended to set the temperature to 120°F (49°C) or lower to prevent scalding.
Understanding the LED Display:
The LED display shows the approximate water temperature and can indicate various operational statuses or error codes. Consult the full installation manual for a complete list of error codes and their meanings.
7. Mantentzea
Regular maintenance ensures the longevity and optimal performance of your Rinnai tankless water heater. It is recommended to have the unit serviced annually by a qualified professional.
Annual Descaling:
To prevent mineral buildup (scale) which can reduce efficiency and damage the unit, annual descaling is crucial. This process involves circulating a descaling solution through the heat exchanger. Your professional installer can perform this service.
Arreta orokorra:
- Keep the area around the water heater clear of obstructions and flammable materials.
- Periodically inspect the venting system for any blockages or damage.
- Ensure the air intake is not blocked.
8. Arazoak
If your Rinnai tankless water heater is not functioning correctly, the LED display may show an error code. Refer to the comprehensive troubleshooting section in the full installation manual for specific error code interpretations and solutions. Below are some common issues and general advice:
- Ur beroa ez: Check if the unit is powered on, gas supply is open, and water supply is active. Look for error codes on the display.
- Uraren tenperatura ez-koherentea: This could indicate scale buildup or issues with water flow. Descaling may be required.
- Ur emaria baxua: Check for clogged filters or restrictions in the water lines.
- Ezohiko zaratak: Contact a qualified technician if you hear unusual sounds like banging or grinding.
For complex issues or if an error code persists, contact a Rinnai-certified technician.
9. Bermea eta Laguntza
Rinnai stands behind the quality of its products. The RE160iN Tankless Water Heater comes with the following residential guarantees:
- Bero trukagailua: 15 urteko berme mugatua.
- Lana: 5 urteko berme mugatua.
- Atalak: 1 urteko berme mugatua.
Please register your product to activate your warranty. For detailed warranty terms and conditions, or to find a Rinnai PRO technician in your area, visit the official Rinnai website or contact Rinnai customer support.
10. Media Galeria
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