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Kerosene-Fired Water Heater 

 

Operation and Maintenance Instructions 

 
 
 

MODEL  FB-38N(FS)/FB-52N(FS) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

[CONTENTS] 

 

 
SECTION A: 

 

 

Inspection before Operation................ 11 

 Safety 

Tips..................................2 

 Operation............................................ 12 

 Safety 

Features...........................4 

 Turning Unit Off…...............................  12 

  

 

 

 Adjusting 

Water Temperature.............. 12 

SECTION B: 

 

 

Differential Switch and Dip Switch.......  13 

 Specifications..............................5  

Preventing Freeze Up.......................... 13 

 Dimensional 

Outline....................6  

Long 

Term Inactivity............................ 13 

 Remote 

Control...........................7  

 

 Construction................................8 SECTION 

E: 

  

 

 

 Routine 

Maintenance 

SECTION C: 

 

 

Inspection and Maintenance................ 14 

 Fuel 

Guide.................................. 10 

  Inspection and Maintenance Items......  14 

 

   

 

 

SECTION D: 

 

SECTION F: 

 Operation 

 

 Troubleshooting 

 Fueling........................................ 

11 

 

Error Code in Display.......................... 17 

 Removing 

Air 

Trap...................... 11 

 

Wiring Diagram................................... 18 

 

 

 

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.  DO NOT REMOVE THE RATING 
PLATE AND LABELS FROM THE WATER HEATER UNIT.

 

Summary of Contents for FB-38N

Page 1: ...SECTION C Inspection and Maintenance 14 Fuel Guide 10 Inspection and Maintenance Items 14 SECTION D SECTION F Operation Troubleshooting Fueling 11 Error Code in Display 17 Removing Air Trap 11 Wiring...

Page 2: ...aves bird s nest or strong drafts 5 RISK OF INDOOR AIR POLLUTION AND FIRE Be sure the exhaust pipe is properly installed and connected Aluminum tape may be used for sealing exhaust pipe connections 6...

Page 3: ...vice person 3 The circulating water should contain proper quantity of antifreeze solution Avoid the use of hard water In regions where hard water is the only source take advantage of a water softener...

Page 4: ...operation the unit will turn off When power resumes the unit will automatically reignite 4 Tip over Switch When the unit senses an earthquake or shock this device activates to stop the operation E an...

Page 5: ...V 50 Hz Ignition 106 W 138 W Burning 86 W 129 W Operating Ambient Temperature 20 C 40 C Humidity 90 At the condition without dew condensation Exhaust Air Temperature less than 260 C Diameter of Requir...

Page 6: ...6 DIMENSIONAL OUTLINE FB 38N FS...

Page 7: ...7 FB 52N FS...

Page 8: ...essing button Down Adjusts the temperature of the circulating water 1 Approx 20 C 6 Approx 55 C 2 Approx 30 C 7 Approx 60C 3 Approx 40 C 8 Approx 70 C 4 Approx 45 C 9 Approx 80 C 5 Approx 50 C EXTERNA...

Page 9: ...9 CONSTRUCTION FB 38N FS FB 52N FS...

Page 10: ...white gas camp stove fuel or additives NEVER Yellow or sour smelling fuel How to Store It ALWAYS Store in a clean container clearly marked KEROSENE ALWAYS Store away from direct sunlight heat sources...

Page 11: ...out put a small container under the strainer 4 Loosen the Screw on top of the Fuel Strainer Immediately wipe off any spilled fuel 5 Remove the trapped air thoroughly Failure to remove all the air will...

Page 12: ...Pipe If so remove air from the Fuel Pipe as described in the previous section 2 Make sure that the Fuel Tank is free of water If not remove water through the Drain Valve If there is water inside of Dr...

Page 13: ...d extinguishments of the Burner will be reduced The position of DIP Switch is set to 6 C differential from factory PREVENTING FREEZE UP In order to prevent any kind of damage or leaks caused by freezi...

Page 14: ...NANCE ITEMS 1 FLAMMABLE IN THE ENVIRONMENT REGULARLY Remove all flammable material from the area 2 FUEL LEAKS REGULARLY Always check for fuel leaks Clean off spilled fuel thoroughly when lubricating f...

Page 15: ...he Circulation Water Pipe Consult your dealer if there are leaks 13 FLAME SENSOR PHOTOELECTRIC CELL ONCE SIX MONTHS a Take out the Flame Sensor which is located to the left of the Burner inside the Ca...

Page 16: ...pped air in fuel pipe Clogged fuel strainer Circuit board malfunction Repair or replace it Consult your dealer Consult your dealer Contact electricians Check fuel gauge on fuel tank refuel Remove the...

Page 17: ...ignition Out of fuel Refuel E 8 Blower motor malfunction E 9 Heat exchanger bi metal switch or Thermal fuse activated E E E Malfunction of remote controller or remote controller cord Operation stops...

Page 18: ...B Blue O Orange Y Yellow W White R Red K Black Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Open Terminal Terminal Block for Remote Contorl Model...

Page 19: ...19 TOYOTOMI CO LTD 5 17 MOMOZONO CHO MIZUHO KU NAGOYA 467 0855 JAPAN New 9 08 Printed in Japan...

Page 20: ...Top 17 Removing Air Trap 6 Plumbing 6 SECTION E Electrical Wiring 11 Test Run Installing Remote Control 11 Preparation 20 Wiring for Remote Control Cord 11 Operation 20 ______________________________...

Page 21: ...2...

Page 22: ...g electrical water and fuel connections Refer to the installation manual and the operation and maintenance instructions for assistance or consult your dealer for further information 3 HAZARD OF ELECTR...

Page 23: ...omply with local codes that may apply to Water Heater s before beginning the installation WARNING This unit should be installed by a licensed authorized person s due to the necessity of making electri...

Page 24: ...ed in a spot can draw in outside air near the floor FB 38N FS Effective hole area 450 cm 2 x 2 locations Type of ventilation hole Aperture factor Existing ventilation hole ara Metal ventilation hole 5...

Page 25: ...to the fuel valve connected with the fuel tank and tighten by the hose band NOTE Do not apply heavy pressure on the fuel hose To prevent an air lock in the fuel line the fuel line should not be deform...

Page 26: ...Turn the unit on by pressing POWER SWITCH NOTE In the event of an ignition failure turn the unit off by pressing POWER SWITCH and after 5 seconds press POWER SWITCH to turn it on once again PLUMBING T...

Page 27: ...stall heaat insulation material on the hot water piping to prevent heat loss 2 Be sure to use Antifreeze Solution specified by dealer with proper mix proportion for circulation water to prevent freezi...

Page 28: ...tion pressure should be selected at the pressure which is 10 to 20 kPa greater than the maximum static pressure that is applied on the Expansion Tank maximum value between Expansion Tank and radiator...

Page 29: ...t Heat Exchanger Capacity of Water Heater retained water volume in radiator retained water volume in piping x Antifreeze Solution ratio x 0 01 4 Supply water into the fllor cistern and then insert the...

Page 30: ...e reduced if a Solution with a ratio less than 40 is used Calculation formula for required amount of Antifreeze Solution Requried amount of Antifreeze Solution lit Heat Exhanger capacity of Water Heat...

Page 31: ...f type install it within the shaded area in the figure or prepare a device to keep out the rain 5 The length of the power cord is 2 m The power cord should be free from damage bundling and sharp bends...

Page 32: ...on the circuit of Remote Controller then put the cord around the boss as shown in the figure 4 Return the Remote Controller Cover to the base 2 For installation with the wood screws 2 pcs included in...

Page 33: ...on the main circuit board case together with the terminal wired from the circuit board 4 Fix the remote control cord on the cable clamp located under the rubber bush the main circuit board WIRING TER...

Page 34: ...d on the main circuit board 1 DIP Switch No 1 Error history When turning the DIP Switch No 1 to OFF position at the operation switch off the burner lamp will flash and it indicates when the error occu...

Page 35: ...a downward slope 1 50 to the Exhaust Pipe Top NOTE The Exhaust Pipe should be covered with the insulating cloth cover option 5 Clearance from combustible objects Install the Exhaust Pipe and Exhaust...

Page 36: ...ion 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 NOTE Use corrosion and heat resistant steel 11 Caution in a...

Page 37: ...on 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...

Page 38: ...19...

Page 39: ...20...

Page 40: ...d properly 5 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...

Page 41: ...22 TOYOTOMI CO LTD 5 17 MOMOZONO CHO MIZUHO KU NAGOYA 467 0855 JAPAN New 9 08 Printed in Japan...

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