FOGATTI InstaGas Classic 120 Series Tankless Water Heater User Manual

Introduction

This user manual provides essential information for the safe and efficient operation, installation, and maintenance of your FOGATTI InstaGas Classic 120 Series Tankless Water Heater. Please read this manual thoroughly before installation or use and retain it for future reference. This tankless water heater is designed to provide endless hot water on demand for residential and commercial settings, offering energy efficiency and a compact design.

Safety Information

WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.

• Ensure all local codes and ordinances are followed during installation.
• Only qualified professionals should perform installation and service.
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
• This appliance is for indoor installation only.
• Verify the gas type (Propane) matches the appliance.
• Ensure proper ventilation and exhaust system installation to prevent carbon monoxide poisoning.
• The unit requires a 120V AC power supply.
• Anti-Freeze protection is built-in, but additional measures may be required in extremely cold climates.

Product Overview

The FOGATTI InstaGas Classic 120 Series Tankless Water Heater is designed for high-efficiency hot water delivery. Key components and features include:

Image: Front view of the FOGATTI Tankless Water Heater, showcasing its compact and modern design.

• Copper Heat Exchanger: Efficiently transfers heat for rapid water heating.
• T-304 Stainless-Steel Burner: Durable and designed for multi-stage combustions.
• High-Precision Computer Chips: For stable temperature control, adjusting heating power to maintain water temperature within ±2°F.
• DC High-speed Fan: Ensures superior exhaust and quiet operation.
• Safety Features: Includes dry combustion protection, overheat protection, anti-freeze protection, flame failure protection, leakage protection, and IPX4 waterproof rating.

Image: Internal components of the FOGATTI tankless water heater, highlighting the DC high-speed fan, water flow sensor, sectional burners, sensitive computer chip, and TP2 copper heat exchanger.

Image: FOGATTI tankless water heater displayed next to a Certificate of Compliance, with icons indicating safety features such as leakage protection, IPX4 waterproof, anti-freezing protection, overheat protection, anti-scale, and dry combustion protection.

Setup and Installation

Professional installation is highly recommended for optimal performance and safety. This unit is designed for indoor installation.

Pre-Installation Checklist:

• Ensure adequate clearance around the unit for maintenance and ventilation.
• Verify gas supply type (Propane) and pressure.
• Confirm water supply pressure and flow rate meet requirements.
• Prepare appropriate venting materials (3-inch OD).
• Ensure 3/4" NPT connections for water and gas lines.
• Confirm a 120V AC electrical outlet is available.

Mounting the Unit:

The unit is designed for wall mounting. Use the provided assembly kit (wood screws, expansion bolts, plastic wall plugs) and follow the quick installation poster for precise mounting instructions. Ensure the mounting surface is sturdy enough to support the unit's weight (approximately 30.2 lbs).

Image: Diagram illustrating the dimensions (22.76" H x 14.57" W x 7.0" D) and connection points of the FOGATTI tankless water heater, including 120 VAC supply, 3/4" NPT water outlet, 3/4" NPT water inlet, and 3/4" NPT gas inlet.

Connecting Water and Gas Lines:

Connect the incoming cold water line to the water inlet and the outgoing hot water line to the water outlet. Connect the gas supply line to the gas inlet. Use appropriate sealants and ensure all connections are leak-free. It is crucial to purge air from the water lines before connecting to AC power.

Image: An illustration depicting the installation process of the tankless water heater, showing connections for water inlet, water outlet, and gas inlet, along with a note about purchasing additional water pipeline and service valve kit.

Operating Instructions

Once installed and all connections are verified, the FOGATTI tankless water heater is ready for operation.

Initial Startup:

1. Ensure all water and gas valves are open.
2. Plug the unit into a 120V AC electrical outlet.
3. Press the power button on the unit's control panel.
4. Open a hot water faucet in your home. The unit will detect water flow and begin heating.
5. Observe the temperature display on the control panel.

Temperature Adjustment:

Use the up and down arrows on the control panel to set your desired hot water temperature. The unit's intelligent chip will maintain this temperature with minimal fluctuation.

Image: The control panel of the FOGATTI tankless water heater showing a digital temperature display and touch controls for adjustment.

Simultaneous Hot Water Use:

With a 5.1 GPM flow rate and 120,000 BTU heating power, this unit can supply hot water to 3-4 locations simultaneously, depending on the inlet water temperature and desired output temperature. Refer to the ground water temperature map and flow rate chart for detailed performance expectations.

Image: A map of the United States indicating average ground water temperatures by region, accompanied by a table showing maximum flow rates (GPM) and simultaneous shower use based on inlet water temperature for the 120,000 BTU model.

Maintenance

Regular maintenance ensures the longevity and efficient operation of your FOGATTI tankless water heater.

Annual Maintenance:

• Flush the Heat Exchanger: Depending on water hardness, the heat exchanger may accumulate mineral deposits. Flushing with a descaling solution annually or bi-annually is recommended to maintain efficiency.
• Inspect Venting: Check the exhaust vent for any obstructions, corrosion, or leaks. Ensure proper airflow.
• Clean Air Filter: If applicable, clean or replace the air filter to ensure proper combustion.
• Check Gas Connections: Inspect all gas connections for leaks using a soap solution.
• Inspect Water Connections: Check for any signs of leaks at water inlet and outlet connections.

Winterization (if applicable for extreme cold):

While the unit has anti-freeze protection, in areas with prolonged freezing temperatures, it is advisable to drain the unit if it will be left unused for an extended period without power. Consult a professional for proper winterization procedures.

Troubleshooting

This section provides solutions to common issues you might encounter. For problems not listed here or if solutions do not resolve the issue, contact customer support.

Specifications

Warranty and Support

FOGATTI offers comprehensive warranty coverage for your tankless water heater:

• Entire Unit: 2-year coverage.
• Heat Exchanger: 5-year coverage.

For technical support, warranty claims, or service inquiries, please contact FOGATTI customer service:

Phone: 877-216-1818

Email: service@fogattiliving.com

Please have your model number (HIU-FDG420IN-CS120-LP) and purchase date available when contacting support.