Kerosene-Fired Water Heater Operation and Maintenance Instructions MODEL FB-38N(FS)/FB-52N(FS) IMPORTANT READ AND UNDERSTAND INSTRUCTIONS BEFORE INSTALLING OR USING THIS WATER HEATER. RETAIN INSTRUCTIONS FOR FUTURE REFERENCE. CHECK LOCAL CODES AND ORDINANCES FOR PERMITTED USE. CAUTION THIS WATER HEATER SHALL NOT BE USED FOR COMMERCIAL USE OR ANY PURPOSES OTHER THAN HOT WATER SUPPLY USES. OTHER USAGE MAY CAUSE A MALFUNCTION OR SHORTEN ITS SERVICE LIFE.
SECTION A: SAFETY TIPS BE SURE TO FOLLOW THE FOLLOWING INSTRUCTIONS. The instructions which are contained in this manual are classified into the following two types, which are “WARNING” and “CAUTION”. These instructions are intended to provide the important information for safe operation. “WARNING” indicates the possibility of causing the user a fatal accident or serious injury if the water heater is incorrectly operated.
7. Insert the plug securely into the outlet as far as it will go. Do not use a damaged plug or loosened outlet. Do not remove or insert the plug with wet hands. 8. When you may not use it for a long period of time, turn off the operation switch, securely close the fuel feed valve of the fuel tank, and then remove the power cord plug from the outlet. When restarting the water heater, first check to be sure that circulating water is provided.
SAFETY FEATURES NOTE: When a safety device is activated, the water heater is automatically extinguished. At this time, the error code is indicated on the digital display. When your water heater does not operate properly after you take remedies for the error correction, contact your dealer. 1. Ignition Safety Device (Flame Sensor) The unit will automatically stop all operations if ignition fails or if the flame fails during combustion. “E” and “6” or “E” and “7” will flash in the display alternately. 2.
SECTION B: SPECIFICATIONS SPECIFICATIONS Model: Type: FB-38N(FS) / FB-52N(FS) - Combustion Type - Exhaust system - Purpose Pressure Vapor Forced Exhaust type Floor Heating Ignition: High Voltage Discharge Spark Fuel: Kerosene (Paraffin) Fuel Consumption: 4.2 L/h / 5.85 L/h Efficiency: 87.0% Heating Output: 128,300 BTU/h / 179,000 BTU/h (37.6 kW) / (52.4 kW) Capacity of Heat Exchanger: 19.5 lit. / 25 lit. Max. Pressure: 100 kPa Thermal Conduction area of Heat Exchanger: 0.9 m / 1.
DIMENSIONAL OUTLINE FB-38N(FS) 6
FB-52N(FS) 7
REMOTE CONTROL Power Lamp Power Switch Burner Lamp Temp Select Button (UP) External Input Lamp Display Temp Select Button (Down) POWER LAMP - constant: - extinction: In operation Shutdown BURNER LAMP - constant: - extinction: In operation Extinguished POWER SWITCH: Turns the unit on or off. TEMP SELECT BUTTON: Digit will change from “1” to “9” by pressing button (UP). Digit will change from “9” to “1” by pressing button (Down). Adjusts the temperature of the circulating water; 1: Approx.
CONSTRUCTION FB-38N(FS) FB-52N(FS) 9
SECTION C: FUEL GUIDE The Water Heater is designed for use with water clean and high quality kerosene only. Use of low-quality kerosene will cause burner performance to drop, leading to abnormal combustion and reduced the unit life. Always store your fuel in a separate area from where you store gasoline for your power equipment to avoid accidental use of gasoline in your water heater. What to Buy... ALWAYS: Clean and high-quality KEROSENE. ALWAYS: Fuel free of contaminants, water or cloudiness.
SECTION D: OPERATION FUELING WARNING: Use KEROSENE only. Never use gasoline, thinner, benzene, light oil or waste oil. CAUTION: Make sure that the fuel is clean and free from dirt and water. Water and dirt may cause combustion failure and shorten the life of components such as the Fuel Pump. Be sure to refuel before the Tank runs out. Avoid having the Fuel Tank and Fuel Pipe run empty.
OPERATION CAUTION: The excessive high temperature setting increases the risk of scald injury. (Thermal burn at low temperature) 1. Open the Fuel Tank Valve. 2. Press “POWER SWITCH” of Remote Controller. Opration lamp will come on and display indicates “7”. Automatic operation is based upon the temperature of water inside the heat exchanger. ‘‘BURNER’’ lamp is lit when the burner is in its operation mode. NOTE: When you first use your water heater after installing, the display indicates “7”.
DIFFERENTIAL SWITCH AND DIP SWITCH CAUTION: Please consult your dealer on the operation of DIP Switch. By the Differential Switch on the Main Circuit Board, the temperature of circulation water is controlled in the range of 2°C differential, 6°C differential, 9°C differential or 12°C differential. NOTE: If the wide differential is selected, the cycle frequency of ignition and extinguishments of the Burner will be reduced. The position of DIP Switch is set to “6°C differential” from factory.
SECTION E: ROUTINE MAINTENANCE INSPECTION AND MAINTENANCE WARNING: RISK OF INJURY FROM MOVING PARTS AND ELECTRICAL SHOCK. Disconnect the Power Supply Cord before inspecting and servicing unit. All repairs should be left to professionals. RISK OF BACKFIRE AND INDOOR POLLUTION. Before operation make sure the Exhaust Pipe is free of snow, icing, leaves, bird’s nest or strong drafts. CAUTION: RISK OF BURN INJURY. Do not touch the Exhaust Pipe Top and the Exhaust Pipe. When inspecting, ALWAYS do the following.
9. PRESSURE RELIEF VALVE (ONCE A MONTH) The Pressure Relief Valve may become immovable at times due to corrosion of pipes or mineral deposits In the pipes. Pull up the lever of the Pressure Relief Valve every month and make sure the Valve is movable. 10.PLUG AND RECEPTACLE (ONCE A MONTH) Make sure the Plug is free of dust. Be sure Plug fits Receptacle securely. 11.BURNER INSPECTION (ONCE SIX MONTHS) Check the burner and combustion area for soot. Clean if found. 12.
SECTION F: TROUBLESHOOTING WARNING: RISK OF INJURY FROM MOVING PARTS AND ELECTRIC SHOCK. Disconnect the Power Supply Cord before servicing unit. All repairs should be left to professionals. Do not re-use the unit until the cause of the problems have been determined. CAUTION: RISK OF BURN INJURY. Do not touch the unit and the Heat Exchanger while in hot. At the start of operation If there Is any abnormality, determine for the causes from the list below and perform the specified measure.
ERROR CODE IN DISPLAY When the water heater is malfunctioned, the unit stops the operation automatically and Display indicates Error Code (“E” & “Number”) alternately by flashing.
WIRING DIAGRAM Terminal Block for Remote Contorl Model Selecting Jumper Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal B: Blue O: Orange Y: Yellow W: White R: Red K: Black 18
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Kerosene-Fired Water Heater Installation Manual MODEL FB-38N(FS) / FB-52N(FS) IMPORTANT THIS APPLIANCE SHOULD BE INSTALLED BY A LICENSED, AUTHORIZED PERSON(S) DUE TO THE NECESSITY OF MAKING ELECTRICAL, WATER AND FUEL CONNECTIONS. RETAIN THIS MANUAL FOR FUTURE REFERENCE. CHECK LOCAL CODES AND ORDINANCES FOR PERMITTED USE. CAUTION THIS WATER HEATER SHALL NOT BE USED FOR COMMERCIAL USE OR FOR ANY PURPOSES OTHER THAN HOT WATER SUPPLY USES. OTHER USAGE MAY CAUSE A MALFUNCTION OR SHORTEN ITS SERVICE LIFE.
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SECTION A: SAFETY TIPS FOR INSTALLATION BE SURE TO FOLLOW THE FOLLOWING INSTRUCTIONS. The instructions which are contained in this manual are classified into the following two types, which are “WARNING” and “CAUTION”. These instructions are intended to provide important information for safe operation. “WARNING” indicates the possibility of causing the user a fatal accident or serious injury if the water heater is incorrectly operated.
SECTION B: UNPACKING UNPACKING 1. Unpack the unit carefully. 2. Check to see if there are any loose screws that may have occurred in transit. 3. Take accessories and the Operation and Maintenance instructions out of the carton. STANDARD INSTALLATION PARTS The following standard installation parts are enclosed with unit. 1. 2. 3. 4. 5. 6. 7. Exhaust Pipe Top (1 pc.) Rubber Fuel Hose (1 pc.) Hose Band (2 pcs.) Remote Control (1 set) Remote Control Cord (3 m) Adhesive Tape (2 pcs.) Wooden Screw (2 pcs.
7. Select a place where proper maintenance and control can be provided for the unit after installation. 8. Select a place sheltered from weather. 9. Install the unit on a non-flammable surface in a stable position. 10. It is important to keep enough clearance for the purpose of maintenance, repair and possible servicing. 11. The Exhaust Pipe is free of snow, icing, leaves, bird’s nest or strong drafts. 12.
FUEL TANK INSTALLATION The fuel tank must be purchased separately and installed by a qualified fuel supply technician. NOTE: Fuel tank installation must comply with locally applicable codes. Check with local building officials. NOTE: Keep the fuel tank away from direct sunlight, high temperature, dust, rain and fire, and take preventive measures against falling during an earthquake. NOTE: The fuel tank should be installed on non-flammable objects, and kept level to prevent the unit from falling or shaking.
REMOVING AIR TRAP When operating for the first time or when refueling an empty Tank, air may be trapped in the Fuel Pipe, making ignition difficult. In this situation, follow the procedure below: 1. Turn the unit off by pressing “POWER SWITCH”. Disconnect the power supply cord. 2. Release the two (2) Screws from the Front Panel and remove the Front Panel. 3. To catch the fuel which will drain out, put a small container under the Fuel Strainer. 4. Loosen the Screw on top of the Fuel Strainer.
NOTE: Be sure to install the Pressure Relief Valve in the proper direction. CAUTION: Be sure to assemble the piping system at a pressure than 100 kPa because the maximum water pressure is 100 kPa. If not, the heat exchanber may be damaged. Be sure to install a Pressure Relief Valve in the heating water piping on the inlet side of the Circulation Pump. CAUTION: Use a pipe with a nominal diameter of 25A (R1) [FB-52N(FS): 40A (R1)] between the Water Heater and header.
SEMI-CLOSED / CLOSED EXPANSION TANK SELECTION NOTE: The Semi-closed Expansion Tank (optional) should be selected in accordance with the total water volume contained in the hot water piping system. NOTE: Refer to the formula below or the manufacturer’s formula when selecting the closed expansion tank. [Calculation formula for Closed Expansion Tank] V = {(P2 + 100) / (P2 – P1)} x 1.
WATER INJECTION AND AIR RELEASE FROM WATER HEATER PIPING (FOR CLOSED CIRCUIT PIPING) 1. Connect the water outlet of the floor cistern (selected by dealer) with the water inlet of the hot water pipe with a vinyl hose. 2. Connect the water inlet of the floor cistern with the city water outlet with a vinyl hose. 3. Antifreeze Solution specified by dealer should be used, and the density should be at a ratio of 40% to 50%, as shown in the table. Freezing temp.
WATER INJECTION AND AIR RELEASE FROM WATER HEATER PIPING (FOR SEMI-CLOSED CIRCUIT PIPING) SEMI-CLOSED CIRCUIT PIPING EXAMPLE 1. Antifreeze Solution specified by dealer should be used, and the density should be at a ratio of 40% to 50%, as shown in the table. Freezing temp. -10°C -20° Table of Antifreeze Solution composition ratio Antifreeze Solution 40% 50% City water 60% 50% NOTE: The rust proofing capability will be reduced if a Solution with a ratio less than 40% is used.
ELECTRICAL WIRING WARNING: RISK OF FIRE AND ELECTRIC SHOCK. Make sure the power supply cord is disconnected to avoid any electric shock before servicing. Electric shock may cause serious injury. It is recommended that installation should be conducted by a licensed electrician. NOTE: If the power receptacle is not installed at the proper position, then contact the appropriate electrical company. 1. Power source: AC 230V, 50Hz single phase 2.
For Installation on the wall 1. For installation with the double-sided adhesive tape (2 pcs.) included in the carton box (1) Remove the screw on the Remote Controller Cover, and remove it from the base. (2) Attach the adhesive double-coated tape at the back of the base first, and then affix the base to the wall. (3) After the Y-shaped terminal of the Remote Controller Cord is screwed on to the terminal on the circuit of Remote Controller, then put the cord around the boss as shown in the figure.
WIRING OF WATER HEATER (1) After making sure that the power supply cord is disconnected, remove the two (2) screws from the front panel and remove the front panel. Rubber bushing (2) Cut the rubber bushing on the left side panel by a cutter and insert the remote control cord. (3) Connect the terminal of the remote control cord to the terminal block for the remote control on the main circuit board case together with the terminal wired from the circuit board.
TEMPERATURE CONTROL (DIFFERENTIAL SWITCH AND DIP SWITCH) NOE: Make sure that the power supply cord is disconnected when the position of DIP Switch is selected. 1. The differential switch on the main circuit board controls the heat exchanger water temperature. The switch can be set at a delta (on/off) of 2°C, 6°C, 9°C or 12°C. A higher delta reduces burner short cycling. And you can set the maximum setting temperature at approx. 50°C, 60°C, 70°C or 80°C. 2.
SECTION D: HOW TO INSTALL THE EXHAUST PIPE AND EXHAUST PIPE TOP WARNING: This unit is required to be installed the exhaust pipe and the exhaust pipe top. Make sure that Exhaust Pipe and Exhaust Pipe Top are properly connected. If it is disconnected, exhaust gas leak indoor during operation which may cause danger. INSTALLATION OF EXHAUST PIPE AND EXHAUST PIPE TOP 1. Diameter of Exhaust Pipe The diameter (internal) of the Exhaust Pipe for the Water Heater is 106 mm. NOTE: The exhaust pipe is optional. 2.
local code concerning fire prevention. 10. Securing diagram of Exhaust Pipe and Exhaust Pipe Top installation NOTE: Put a semi-straight pipe or straight pipe in the Exhaust Pipe fitting hole at first, and lay transversely. NOTE: Select a place which is clear of combustible objects within 15 cm around the Exhaust Pipe Top, and 60 cm in the exhaust direction. And any opening such as the window or ventilation hole which can blow exhaust gas back indoors is not allowed on the wall as shown above.
CHECK FOR EXHAUST PIPE AND EXHAUST PIPE TOP WARNING: Installation of Exhaust Pipe and Exhaust Top as shown below may cause an accident. Be sure to check once again after installation. Be sure to correct by following the installation presented below as an example in which a dangerous situation and incomplete combustion may occur.
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SECTION E: TEST RUN PREPARATION 1. 2. 3. 4. 5. Make sure the exhaust pipe is installed properly. Make sure the fuel tank is installed properly. Make sure there is no fuel leakage. Make sure there is no water leaking from piping. (Plumbing) Make sure electrical connections and grounding are wired properly. Make sure the floor is stable and can withstand strong vibration and the weight of a full water heater. 6. Make sure the area is free of flammable materials. 7. Check for air trapped in fuel lines.
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