Related Manuals for FOGATTI FDG420IN-NG
Summary of Contents for FOGATTI FDG420IN-NG
- Page 1 TANKLESS GAS HOT WATER HEATER MODEL FEATURING • ENDLESS HOT WATER FDG370IN • ON-DEMAND USAGE FDG420IN • COMPACT, SPACE SAVING • ENERGY CONSERVATION • COMPUTERIZED SAFETY...
- Page 3 Installation and service must be performed by a qualified installer, service agency or the gas supplier. If you have any questions, please call or write to : service@fogatti.com.cn Tel.: +1(305)998-1595 Please place this manual in the water heater accessory for reference whenmaintenance, adjustment or repair is required.
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Page 4: Table Of Contents
Contents Installation Manual Owner'sGuide 1. Specification........14. Operational Safety....2. Introduction........15. Operational Instructions... 15.1 Built-in Controller....3. Safety Guide........15.2 Controller Thermometer..3.1 Security Definition....3.2 General........16. Troubleshooting......4. Installation Instructions....17. Maintenance......4.1 General........18. Antifreeze System..... 4.2 Installation Space.... -
Page 5: Installation Manual
Installation Manual CONGRATULATIONS Congratulations and thank you for choosing our tankless water heater. Before use, please read this manual carefully and thoroughly . Keep this manual for future reference. If you need an additional manual, contact the manufacturer or your local distributor. When you call, please tell us the product name and the serial number of your unit written on the rating plate of the water heater. -
Page 6: Specification
Specification FDG370IN-NG FDG420IN-NG MODEL FDG370IN-LPG FDG420IN-LPG Natural Gas Min:27,000 Min:30,000 BTU/h Input(Operating Range) Max:145,000 Max:170,000 PropaneInput(Operating Min:24,000M Min:24,000M BTU/h Range) Max:145,000 Max:170,000 Gas Connection 3/4"NPT WaterConnections 3/4"NPT psi(MPa) 15-150 (0.1-1) Water Pressure* Natural gas InletPressure "W.C.(kPa) Min 3.5 (0.87) Max. 10.5(2.61) Propane InletPressure "W.C.(kPa) - Page 7 *15 psi or above is recommended for water maximum flow. **The category of the water heater with respect to the venting system. Water heater Category — water heaters of other than direct vent type, for outdoor installation, are divided into four categories based on static pressure produced in the vent and flue loss.
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Page 8: Introduction
Introduction • This manual provides the information you need to install, operate, and maintain your water heater. • The model description is listed on the nameplate, which is located on the side panel of the water heater. • Read all installation instructions thoroughly before installing this product. •... - Page 9 1. A hot water tap is turned on. 2. Water enters the heater. 3. The water flow sensor detects the water flow. 4. The computer initiates the fan motor and sends a signal to the igniter to create an ignition spark. 5.
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Page 10: Safety Guide
Safety Guide Safety Definition DANGER Indicates an imminently hazardous situation which, if not avoided,will result in death or serious injury. WARNING Indicates an imminently hazardous situation which, if not avoided,could result in death or serious injury. CAUTION Indicates an imminently hazardous situation which, if not avoided,could result in minor or moderate injury. -
Page 11: Installation Instructions
Installation Instructions General 1. Follow all local regulations, or in the absence of local regulations, follow the current version of the US National Gas Code: US ansi z 223 . 1 / nfpa 54 Canada b 149. 1 natural gas, propane installation specifications. - Page 12 WARNING • Water temperatures above 125°F (52°C) can cause severe burns orburns.The factory water temperature is set at 107 °F (42 °C) to minimize the risk of burns.Always check the water temperature before taking a shower or shower. • Do not store or use gasoline or other flammable materials, vapors or liquids near this equipment.
- Page 13 WARNING • Installation and repair must be performed by a qualified installer (for example, a licensed plumber or gas fitter) or the warranty will be void. • The installer (authorized professional) is responsible for properly installing the water heater and complying with all national, state/provincial and local regulations.
- Page 14 NOTICE The warranty does not cover damage caused by water quality. • This water heater can only use potable water. Do not introduce pool, well or hot spring water or any chemically treated water into the water heater. • For all other types of applications, the water hardness level for single family applications should not exceed 7 grains per gallon (120 ppm) or 4 grains (70 ppm) per gallon.
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Page 15: Installation Space
Installation space Back WARNING Keep all space clear around the Side water heater. Failure to do so may cause fire, death, personal Front Side injury or property loss. Bottom Minimum clearances from combustible or noncombustible construction and for servicing and proper operation: Bottom Front Back... -
Page 16: Installation Warning
Installation Warning For your safety, please read before installation. NOTICE Before installing the water heater, please contact your local gas supplier or gas management department to select qualified gas pipes, pressure regulators, cylinders, clamps, exhaust pipes, etc., Installator must be entrusted to qulified professional techinicians or workers (please do not to install by yourself, for improper installation may cause security issues, and even endanger the user's life). - Page 17 4. It is strictly forbidden to install in the closet. 5. Do not install near flammable materials (such as curtains, gasoline/organic solvents, etc.) and corrosive chemicals (such as alcohol) to avoid fire or corrosion. 6. Do not install the water heater on the vehicle or on the vessel.
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Page 18: Typical Installation
Typical Installation 1. Determine the installation location (see installation precautions) and determine the installation height. The height of the water heater's operation display panel and the Expansion screw human eye level are appropriate. 2. When installing the water heater, keep it Plastic plug vertical and do not tilt. - Page 19 5. The flue should not be hidden in the ceiling as much as possible. If it is unavoidable, it needs to be wrapped with flame-retardant insulation material, covering a thickness of 1 inch or more. The distance from the flue to the combustible item should be greater than 1 ft.
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Page 20: Venting Instructions
*For each elbow added, deduct 5 ft (1.5 m) from max. vent length. Max. Vertical or Horizontal (Total) Vent Length No. of Elbows (Number of 90° 3" (76.2mm) Straight tube length Elbows) Altitudes 0 to 3,000 ft (0 to 914 m) 37 ft (11.5 m) 32 ft (10 m) 27 ft (8.5 m) - Page 21 General rules for venting water heaters: • Place the water heater as close as possible to the vent termination. • Exhaust pipe must be flexible enough to be removed from the top of the water heater, for proper service and inspection. •...
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Page 22: Vent Termination Clearances
Vent Termination Clearances Legend: = Vent terminal = Air supply inlet = Area where terminal is not permitted Canadian installations US installations Clearance above grade, 12 in (30 cm) 12 in (30 cm) veranda, porch, deck, or balcony Clearance to window or door 6 in (15 cm) for appliances 4 ft (1.2 m) below or to that may be opened... - Page 23 Canadian installations US installations I = Clearance to service regulator Above a regulator within 3 ft (91cm) horizontally of the vertical vent outlet center line of the regulator vent outlet to a maximum vertical distance of 15 ft (4.5 m) J = Clearance to nonmechanical 6 in (15 cm) for appliances 4 ft (1.2 m) below or to...
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Page 24: Combustion Air Supply
Combustion Air Supply WARNING The gas water heater requires a sufficient source of clean air for combustion and ventilation. Without enough air, your water heater may not function properly and may cause excessive and abnormal carbon monoxide causing poisoning or death. NOTICE •... - Page 25 The instructions below will help determine if the water heater can be installed without outdoor ventilation. Calculate the total BTU/h rating of all equipment. To calculate the required combustion air and ventilation, add the BTU/h rating of all gas appliances (eg water heaters, furnaces, dryers) in the same area.
- Page 26 Provide a permanent external air opening to draw in enough air. If you want to provide combustion air for outdoor ventilation, go to "Using Outdoor Ventilation lnstallation”. If the amount of indoor air is greater than the amount required, the water heater can be installed without external ventilation.
- Page 27 • For wooden shutters or grilles: • For metal shutters or grilles: follow these rules to ensure that the vents and ducts provide adequate airflow: • Each vent must be no less than 100in² (645cm²). • The pipe must have the same cross-sectional area as the free area of the opening.
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Page 28: General
Gas And Gas Pipe Specifications General • First check that the gas type matches the nameplate. • Make sure that all gas regulators in use are operating properly and provide gas pressure within the specified range as shown below. Excessive intake pressure can cause serious accidents. -
Page 29: Gas Connection
Gas Connection 1. Install a manual gas shut-off valve between the water heater and the gas supply line. 2. When the gas connection is completed, the gas leak test must be performed by applying soapy water to all gas fittings and observing the air bubbles or using a gas leak detection device. -
Page 30: Water Connection
Water Connection WARNING Do not use this product if any parts are underwater.Contact the installer or service agency immediately to replace the flooded water heater. Do not try to repair the heater. Replacement must be done! NOTICE Do not reverse the hot and cold inlet connections of the water heater. If connected in reverse, the water heater will not start properly. -
Page 31: Pressure Reducing Valve
Pressure Reducing Valve The water heater has a built-in high temperature disconnect switch as a standard safety function (called a Hi-limit switch), so a "pressure only" safety valve is required. • The unit is not equipped with an approved pressure reducing valve. •... -
Page 32: Electrical Connections
Before manually operating the pressure reducing valve, check that the hot water is discharged in a safe place. If water cannot escape from the end of the drain, turn off the air supply and turn off the power and call a qualified person to determine the cause. -
Page 33: Initial Test Run
plugs, etc.) must be provided to control the main power supply to the water heater.(Must comply with local regulations.) • Connect the power supply to the water heater exactly as shown in the wiring diagram. 3. The plug of the water heater is not plugged into the standard American three-pin plug, and the socket must be properly grounded. - Page 34 The user confirms that the water heater is installed correctly before the initial use, and carefully checks whether the connection is correct and there is no leakage. After confirming, please follow the steps below: First trial run Turn on the water heater's 120v, 60 hz power supply .
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Page 35: Owner'sguide
Owner's Guide CONGRATULATIONS Congratulations and thank you for choosing our tankless water heater. Before use，we recommend that you read through this installation manual carefully. Keep this manual for future reference. If you need an additional manual， contact the manufacturer or your local distributor. When you call, please tell us the product name and the serial number of your unit written on the rating plate of the water heater. -
Page 36: Operational Safety
Operational Safety FOR YOUR SAFETY READ BEFORE OPERATING WARNING : If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. - Page 37 WARNING Steam from flammable liquids can explode and catch fire, causing death or severe burns. Do not use or store flammable products such as benzine, solvents or adhesives in the same room or area near the water heater. Read and follow the water heater warnings and instructions.If the user manual is missing, contact your retailer or manufacturer.
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Page 38: Operational Instructions
Operation Instructions Built-in controller FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance . Display shower signal Display setting temperature Blower Display fault code Display water temperature Flame Switchbutton Heat upbutton... - Page 39 How to use the mixing valve: 1. Turn on the cold water tap. 2. Mix hot and cold water to get the proper water temperature. 3. When the use is over, close the water valve. Minors are not allowed to operate the water heater themselves unless accompanied by a guardian.
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Page 40: Troubleshooting
Troubleshooting Before You Call For Service Troubleshooting Tips Save time and money! Review the charts on the following pages first and you may not need to call for service. This water heater incorporates a variety of shut off devices that prevents the operation of the water heater down if undesirable combustion conditions occur. - Page 41 Error Code Possible Cause Fault Handling 1. Replace the ignition When the system 1. The feedback pin is bent and feedback needle assembly. is turned on, the in contact with other metal 2. Plug the feedback pin wired controller parts. terminal correctly and firmly displays 2.
- Page 42 Error Code Possible Cause Fault Handling When the system 1. The fan signal is not detected 1, 2, the fan assembly, controller is turned on or or the speed is too low in the damage or line failure, causing working, the system startup 5S.
- Page 43 Error Code Possible Cause Fault Handling When the system 1. During operation, the fan 1. Check if the exhaust passage is blocked. speed continuously exceeds the is turned on or 2. Stop starting, and start after set value of 5S speed; working, the no strong wind in the outdoor;...
- Page 44 The following phenomenon is not a malfunction: Problem Possible Cause White smoke at the When the outdoor temperature is too low, the discharged exhaust smoke encounters outdoor cold air and condenses into a white mist. Water is not hot If the water flow is too low, the water will get cold. The minimum water flow rate is required to be 0.6 gallons per minute.
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Page 45: Maintenance
35 °C . It then proves that the water heater is operating at its minimum heat load. Service Center: service@fogatti.com.cn Tel.: +1(305)998-1595 Tankless Gas Hot Water Heater Installation Manual... -
Page 46: Antifreeze System
Antifreeze System •This water heater is equipped with an automatic electric heating unit for antifreeze. The specification is 120V 101w .When the temperature is in the range of 3℃ (37. 4℉)~ 8℃ (46. 4℉), electric heating starts. Make sure the power is on when you need to start heating. -
Page 47: Component Diagram
Component Diagram Here is the place to replace the spare parts: Fogatti Inc. (18521 NW 82 Court, Miami, FL 33015) Tankless Gas Hot Water Heater Installation Manual... - Page 48 QTY. Name Remarks Decoration board Front panel Display assembly Heat exchanger Water outlet connector Water inlet connector Water proportional valve Motor fan assembly Intake connector Power line Over temperature protection thermostat Chimney Water outlet temperature sensor Burner Ignition pin assembly Manifold Proportional valve Controller...
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Page 49: Wiring Diagram
Wiring Diagram Tankless Gas Hot Water Heater Installation Manual... -
Page 50: Packing List
In order to ensure your interests, please fill out the warranty card carefully. 1. This warranty applies only to indoor gas water heaters. 2. Customers who purchase products of fogatti Inc.,. The warranty period for each product of our company is (with proof of purchase) (from the date of shipment): one year (12 months). - Page 51 1.05.06.3687...
- Page 52 FOGATTI Inc. Company Website: www.fogattiwaterheater.com Service E-mail: service@fogatti.com.cn Tel.: +1(305)998-1595 +1(855)881-5258...
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