Noritz GQ-C3261WX-FF EZ Series Pro Tankless Water Heater Instruction Manual

Introduction

This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Noritz GQ-C3261WX-FF EZ Series Pro Tankless Water Heater. Please read all instructions carefully before installation or use and retain this manual for future reference. This unit is designed to provide continuous hot water for residential indoor or outdoor applications.

Important Safety Information

WARNING:

• Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the gas supplier.
• This appliance must be installed by a qualified professional in accordance with all local codes and regulations.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
• Ensure adequate ventilation when operating gas appliances.
• Always turn off the gas supply and electrical power to the unit before performing any service or maintenance.

Product Overview and Features

The Noritz GQ-C3261WX-FF EZ Series Pro is a high-efficiency natural gas tankless water heater designed for reliable hot water delivery. Key features include:

• High Efficiency: Industry-leading 0.98 Uniform Energy Factor (UEF) for energy savings.
• Consistent Hot Water: Delivers a steady 11.1 GPM (Gallons Per Minute) flow rate.
• Durable Heat Exchanger: Features dual stainless steel heat exchangers for enhanced corrosion resistance and longevity.
• Bluetooth Connectivity: Allows for easy startup procedures, remote control, and diagnostics via the EZ Start Plus App.
• Flexible Installation: Designed for residential indoor/outdoor use with direct vent options (2", 3", or 4" venting) and field-convertible gas type (parts included for LP conversion).
• Top Mount Connections: Hot and cold water connections are conveniently located on top of the unit for easier installation, especially when replacing traditional tank heaters.
• Precise Temperature Control: Available temperature settings range from 100°F to 140°F (default 120°F).
• Electric Ignition: Eliminates the need for a pilot light.
• PreMix Burner: Optimizes air/fuel ratio for efficiency.
• Steady BTU: Burner-control technology reduces minimum input to under 5,000 BTU per hour.

Image: Noritz GQ-C3261WX-FF EZ Series Pro Tankless Water Heater. This silver-colored unit is designed for residential indoor/outdoor use. A prominent badge on the front highlights its 25-year warranty. The unit features top-mounted connections and a sleek, compact design.

Setup and Installation

Installation of the Noritz GQ-C3261WX-FF tankless water heater requires specialized knowledge and should only be performed by a qualified, licensed professional. Refer to the comprehensive installation manual provided with the unit for detailed instructions, diagrams, and safety warnings.

• Location: This unit is suitable for both indoor and outdoor residential installations. Ensure proper clearances and ventilation as specified in the full manual.
• Gas Supply: Connect to a natural gas supply. The unit can be field-converted to LP gas using the included parts.
• Water Connections: The unit features top-mounted hot and cold water connections. Ensure proper sizing and secure connections.
• Venting: For indoor installations, proper direct venting is crucial. The unit supports 2", 3", or 4" venting. For outdoor installations, a VC-6-1 vent cap is required.
• Electrical Connection: Requires a 120 Volt electrical supply.

Note: Incorrect installation can void the warranty and create hazardous conditions. Always consult a professional.

Operating Instructions

Once properly installed and connected, operating your Noritz tankless water heater is straightforward.

1. Power On: Ensure the electrical supply and gas valve to the unit are open.
2. Hot Water Demand: Open any hot water faucet in your home. The unit will automatically detect the water flow and begin heating.
3. Temperature Adjustment: The default temperature setting is 120°F. You can adjust the temperature between 100°F and 140°F using the unit's controls or via the Noritz EZ Start Plus App.
4. Bluetooth Connectivity: Download the Noritz EZ Start Plus App to your smartphone or tablet. Follow the app's instructions to connect to your water heater for remote monitoring, control, and diagnostics.
5. Shutting Off: Close all hot water faucets. The unit will automatically cease operation. For extended periods of non-use, it is recommended to turn off the gas supply and electrical power.

Maintenance

Regular maintenance ensures the longevity and efficient operation of your tankless water heater. It is recommended to have a qualified service technician perform annual maintenance.

• Annual Inspection: Have a professional inspect the unit, including the heat exchangers, burner, and venting system, at least once a year.
• Descaling: Depending on your water quality, periodic descaling of the heat exchanger may be necessary to remove mineral buildup. This procedure should be performed by a qualified technician.
• Filter Cleaning: Check and clean any inline water filters as recommended in the full manual.
• Exterior Cleaning: Keep the exterior of the unit clean and free from obstructions.

Troubleshooting

If you experience issues with your Noritz tankless water heater, consider the following basic troubleshooting steps. For complex problems, contact a qualified service technician.

• No Hot Water:
  • Check if the gas supply valve is open.
  • Verify the electrical power supply to the unit.
  • Ensure there is sufficient water flow (minimum flow rate required to activate the heater).
• Error Codes: If the unit displays an error code, refer to the full owner's manual or the Noritz EZ Start Plus App for specific diagnostic information and recommended actions.
• Inconsistent Temperature: This could be due to mineral buildup (requiring descaling) or issues with water flow.

Important: Do not attempt repairs beyond basic troubleshooting. Contact a certified technician for all service needs.

Specifications

Warranty Information

The Noritz GQ-C3261WX-FF EZ Series Pro Tankless Water Heater is covered by the following manufacturer warranties:

• Heat Exchanger: 25-year warranty
• Parts: 5-year warranty
• Labor: 1-year warranty

Please retain your proof of purchase for warranty claims. For full terms and conditions, refer to the warranty document included with your product or visit the official Noritz website.

Customer Support

For technical assistance, service inquiries, or to locate a qualified service professional, please contact Noritz customer support or visit their official website. Have your model number (GQ-C3261WX-FF) and serial number ready when contacting support.

Noritz Official Website: www.noritz.com