1. அறிமுகம்
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Rinnai CXP160iN High Efficiency Plus Natural Gas Interior Tankless Water Heater. This innovative gas tankless water heater is designed for various applications, delivering unlimited hot water on demand with an impressive thermal efficiency of 97%. It features Smart Sense Gas Valve Technology for automatic gas type adjustment and Smart Circ Intelligent Recirculation for optimized hot water delivery.
2. பாதுகாப்பு தகவல்
எச்சரிக்கை: முறையற்ற நிறுவல், சரிசெய்தல், மாற்றம், சேவை அல்லது பராமரிப்பு சொத்து சேதம், காயம் அல்லது மரணம் ஏற்படலாம். இந்த உபகரணத்தை நிறுவுவதற்கு அல்லது சேவை செய்வதற்கு முன், நிறுவுதல், இயக்குதல் மற்றும் பராமரிப்பு வழிமுறைகளை முழுமையாகப் படிக்கவும்.
- Always ensure the unit is installed by a qualified professional in accordance with all local codes and regulations.
- பெட்ரோல் அல்லது மற்ற எரியக்கூடிய நீராவிகள் மற்றும் திரவங்களை இந்த அல்லது வேறு எந்த சாதனத்திற்கும் அருகில் சேமிக்கவோ பயன்படுத்தவோ கூடாது.
- Ensure proper ventilation as specified in the installation instructions.
- Never attempt to repair or modify the unit yourself. Contact a qualified service technician.
3. தயாரிப்பு முடிந்துவிட்டதுview
3.1. வெளி View
The Rinnai CXP160iN features a compact design with a clear display for operational status and settings.

படம் 3.1: முன் View of the CXP160iN Unit
3.2. Control Panel and Connections
The unit's interface allows for easy control and monitoring, with clearly marked vent and supply connections.

Figure 3.2: Controller, Vent, and Supply Connections
3.3. உள் கூறுகள்
Understanding the internal layout aids in maintenance and troubleshooting. Key components include the burner assembly, heat exchangers, and control board.

Figure 3.3: Internal Components Diagram (SENSEI RX Series)
3.4. Bottom Connections
The bottom of the unit houses the essential plumbing and gas connections.

Figure 3.4: Bottom Connections
4. விவரக்குறிப்புகள்
- பிராண்ட்: ரின்னை
- மாதிரி எண்: CXP160iN பற்றி
- தயாரிப்பு பரிமாணங்கள்: 18.5"அடி x 30.11"அடி x 15"அடி
- நிறம்: வெள்ளி
- அதிகபட்ச ஓட்ட விகிதம்: நிமிடத்திற்கு 9 கேலன்கள் (GPM)
- அதிகபட்ச வெப்பநிலை: 185 டிகிரி பாரன்ஹீட்
- செயல்திறன்: Super High Efficiency (97%)
- மவுண்டிங் வகை: சுவர்
- பொருளின் எடை: 59.9 பவுண்டுகள்
- UPC: 766156017339
- சக்தி ஆதாரம்: Natural Gas (with Smart Sense Gas Valve Technology)
5. நிறுவல்
5.1 பொது தேவைகள்
Professional installation is highly recommended for the Rinnai CXP160iN to ensure safety, optimal performance, and compliance with all local codes. The unit is designed for natural gas, and its Smart Sense Gas Valve Technology automatically adjusts, eliminating the need for conversion kits.
5.2. Indoor/Outdoor Versatility
This model can be installed indoors or outdoors. For outdoor installation, the optional Versa-Vent outdoor vent cap (RX-OVC) is required.
5.3. Dimensions and Venting
Careful consideration of dimensions and venting requirements is crucial for proper installation.

படம் 5.1: முன் குழு View with Dimensions and Venting Information
வென்ட் இணைப்பு: 2 in. (51 M) nominal PVC/CPVC/Polypropylene or 3 in./5 in. Concentric.
5.4. பிளம்பிங் இணைப்புகள்
The unit features 3/4" connectors for water and gas lines. When replacing older water heaters, be aware that older homes may have 1/2" pipes, requiring adapters or plumbing modifications.
5.5. வழக்கமான நிறுவல்கள்
The CXP160iN is suitable for various settings, including commercial and multi-unit residential applications, often installed in banks for increased capacity.

Figure 5.2: Multiple Units in a Commercial Installation

Figure 5.3: Rooftop Installation Example
6. ஆபரேஷன்
6.1. Smart Circ Intelligent Recirculation
The built-in Smart Circ system learns your hot water usage patterns within approximately one week. It then intelligently schedules pump and tankless recirculation to ensure hot water is available when needed, optimizing energy usage and convenience without requiring external controllers.
6.2. Smart Connect and Rinnai Central App
For enhanced control and monitoring, the Rinnai CXP160iN can be connected to the Rinnai Central App via your smartphone. This app allows you to:
- Set up and manage your water heater.
- செயல்திறன் மற்றும் ஆற்றல் பயன்பாட்டைக் கண்காணிக்கவும்.
- Receive service alerts and troubleshoot issues.
Download the Rinnai Central App: https://l.ead.me/bdbmQq
7. பராமரிப்பு
7.1. Quick Flush System
The CXP160iN features a user-friendly quick-flush system designed to simplify routine maintenance. Regular flushing helps prevent mineral buildup and ensures the unit continues to operate efficiently.
7.2. Recommended Maintenance Schedule
To maintain optimal performance and extend the lifespan of your tankless water heater, it is recommended to:
- Perform annual flushing using the quick-flush system.
- Schedule periodic inspections by a qualified service technician to check all components, connections, and ventilation.
8. சரிசெய்தல்
If you encounter issues with your Rinnai CXP160iN, consider the following steps:
- காட்சியை சரிபார்க்கவும்: The unit's digital display may show error codes that indicate specific problems. Refer to the Rinnai Central App or the full service manual for a list of codes and their meanings.
- Power and Gas Supply: Ensure the unit has a stable power supply and that the gas valve is open.
- நீர் ஓட்டம்: Verify that there is adequate water flow to the unit.
- ரின்னை மத்திய பயன்பாடு: Utilize the troubleshooting features within the Rinnai Central App for diagnostics and potential solutions.
- ஆதரவைத் தொடர்புகொள்ளவும்: For persistent or complex issues, contact a qualified Rinnai service technician. Do not attempt repairs yourself.
9. உத்தரவாதம் மற்றும் ஆதரவு
9.1. உத்தரவாதத் தகவல்
Rinnai tankless water heaters are built to commercial-grade standards and undergo rigorous quality testing. Specific warranty details are provided with your product documentation. Please retain your proof of purchase for warranty claims.
9.2. வாடிக்கையாளர் ஆதரவு
Rinnai is committed to providing industry-leading customer support. If you require assistance with your CXP160iN unit, you can:
- Consult the Rinnai Central App for immediate assistance and resources.
- Visit the official Rinnai Brand Store for more information and support options: Rinnai Brand Store
- Contact Rinnai customer service directly (contact details typically found on the Rinnai website or in the product packaging).





