Rinnai CX199iN Commercial Hybrid System

Engineering Specifications

This commercial hybrid system includes a Rinnai Tankless Water Heater CX199iN, a 199,000 BTU/hr condensing water heater, an 80-gallon (303 liter) storage tank, a circulation pump, and a system controller. The controller features integrated circulation logic for pump management.

System Installation & Certification

• Includes pre-installed 36 in. (914.4 mm) gas flex line with a 360° swivel fitting.
• Includes a pre-installed electrical junction box.
• Design certified to the ANSI Z21.10.3 standard for gas-fired water heaters.

Performance & Efficiency

• Residential energy star rating.
• Thermal efficiency: 97%.
• Uniform Energy Factor: 0.98.
• NOx emissions: Maximum 20 ppm, tested per South Coast Air Quality Management District (SCAQMD) rules.
• Power source: Natural gas and 120 volt/60 Hz AC.
• BTU input range: 15,000 BTU/hr to 199,000 BTU/hr.
• Maximum hot water outlet capacity: 11.1 gallons per minute (42 liter per minute) with a 30°F (16.7°C) temperature rise.

Control & Safety Features

• Microprocessor controlled with direct electronic ignition (no standing pilot).
• Fully modulating gas control valve.
• Turbine flow meter.
• Automatic electro-mechanical water flow control valve.
• Water temperature thermistors maintain outlet water temperature within ± 2°F (-1.1°C) of the set point.
• Internal safety devices: flame failure lockout, boiling protection lockout, thermal overheat protection, internal freeze protection (down to -22°F/-30°C ambient), and lockout protection for blocked flue.
• Adjustable set point range: 98°F (37°C) to 185°F (85°C).
• Diagnostic history: Stores up to nine maintenance codes via the thermostat display.
• Burners: Downward fired fiber mesh.
• Valves & Connections: Solid brass water flow control valve, solid brass inlet and outlet water connections.

Storage Tank Specifications

• Capacity: 80 gallons (303 liter).
• Insulation: 2 inches (51 mm) thick uniform foam.
• Inner tank: Enamel coating.
• Test pressure: 300 PSI (21 bar).
• Working pressure: 150 PSI (10.3 bar).
• Connections: 1-1/2 inch (38.1 mm) MNPT dielectric hot and cold water connections.
• Includes: Pressure relief valve, brass drain valve, and dual magnesium anode rods.

Warranty Information

Warranty periods for materials and workmanship:

• Heat Exchanger: 8 years or 12,000 operation hours (whichever occurs first).
• Tank: 6 Years.
• All Other Parts and Components: 5 Years.
• Reasonable Labor: 1 Year.

For full warranty details, refer to the water heater manual available at www.rinnai.us or www.rinnai.ca.