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Navien KDB-203 STC Instruction Manual

Manual is about: Oil Boiler

Summary of KDB-203 STC

  • Page 1

    Read the instructions fully before installing or using the appliance. Consumer, retain this manual for future reference purposes. Illustrations, functional steps and technical data without prior notice. All product images are provided by the manufacturer and are for reference purposes only. Kdb-203/...

  • Page 3

    Contents the structure and its description how to install before operating the boiler how to use safety device routine checks and maintenance how to replace the parts electric wiring diagram trouble shooting specifications 4 12 14 16 19 20 23 24 26 27.

  • Page 4: The Structure of The Boiler

    The structure and its description 4 the structure of the boiler operation and display panel power : displays the status of power on /off combustion : displays the status of the burner combustion. Pump : displays the operating status of the circulation pump. Hot water : displays the operating status ...

  • Page 5: The Structure of The Boiler

    5 the structure of the boiler operation and display panel power : displays the status of power on /off combustion : displays the status of the burner combustion. Pump : displays the operating status of the circulation pump. Hot water : displays the operating status of heating water. Low level : disp...

  • Page 6: The Structure of The Boiler

    6 the structure of the boiler operation and display panel power : displays the status of power on /off combustion : displays the status of the burner combustion. Pump : displays the operating status of the circulation pump. Hot water : displays the operating status of heating water. Low level : disp...

  • Page 7: The Structure of The Boiler

    7 the structure of the boiler the descriptions of the name reset button : a switch for the restart when the “misfire ”, “overheat” lamp is on power button : a device for the boiler’s power on/off room thermostat : a device for controlling the temperature of the heating water. Ignition transformer : ...

  • Page 8

    8 user’s manual for room thermostat(dr-2nd, dr-2ndp) before usage thank you very much for purchase this room thermostat(tele-room controller) you had better fully read this user's manual. It can give you more convenient and warm life. Contents check point for safety check point for fixing. Check poi...

  • Page 9

    1. Connect firmly the room controller wire (2 line) from the boiler, to the room controller port in the back of the room controller. 2. Connect firmly the telephone wire to the telephone port in the back side of the room controller. 3. Fix the room controller firmly on the wall, using the room contr...

  • Page 10: Room Controller

    10 1. Continuous : press this button to heat the room quickly. ō press the continuous button( Ξ ), lamp( Ι ) will on. 2. Outgoing : boiler will stop and the frozen-up preventer will operate. ō press the outgoing button( Ν ), outgoing lamp( Κ ) will on. 3. Hot water : you can use hot water without he...

  • Page 11

    11 8. Usage of telephone if you run the boiler with telephone, the boiler will run for 30min. Then remain in outgoing function and out of run lamp automatically. You can control the working & stopping of boiler and timing of bell when you use interphone(inside) and telephone(telephone and cellular p...

  • Page 12: How To Install

    How to install 12 choosing of the installation place the diagram of the standard piping : expansion tank install type Ŗ Ŗ Ŗ Ŗ Ŗ Ŗ Ŗ for the place to install the boiler, choose the place possible to do the accompanying works, such as water supply works or electric works. For the place to install, cho...

  • Page 13

    13 Ŗ Ŗ Ŗ when the length of the flue duct is less than 2m, use the flue duct of φ75mm in diameter. When the length of the flue duct is between 2m and 5m, use the flue duct of φ100mm in diameter. When the length of the flue duct is longer than 5m, use the flue duct of φ125mm in diameter. Ŗ Ŗ Ŗ Ŗ chec...

  • Page 14: Fuel

    Before operating the boiler 14 it is essential to use only kerosen or light oil. (don’t use gasoline, alchohol) store in the place where there is no effect of oil, fire, rain, and keep out of the sun. It is better to use kerosene when the temperature goes down below –5˚c in winter, don’t use the lig...

  • Page 15

    15 check out if or not oil leaks in the connecting part of the oil pipe. Check out whether the ignition and the combustion is normal. (checking through the flame inspection window) when the boiler is going to be not in use for a long time, cut off the power. (don’t pull out the power cord when there...

  • Page 16: How To Use

    How to use 16 how to exhaust be careful that the oil tank may not run out of oil completely. In that case, even though oil is supplied, air may get in. As a result, ignition failure or operation failure may occurs. If the oil tank is below the oil filter or the air flows out enough like the above, l...

  • Page 17: Starting Operate

    17 now press the reset button on the panel repeatedly, and the oil flows out. Lock the valve and press the reset button again, and the boiler gets ignited. In case that after removing air completely, the ignition has failed repeatedly about five times, contact the sales agency or the commercial agen...

  • Page 18: How To Use

    18 now press the reset button on the panel repeatedly, and the oil flows out. Lock the valve and press the reset button again, and the boiler gets ignited. In case that after removing air completely, the ignition has failed repeatedly about five times, contact the sales agency or the commercial agen...

  • Page 19: Safety Device

    Safety device 19 when it doesn't ignite even with the power button “on” or it gets extinguished due to running out of oil, the flame detector(cds) gets to work and stops the operation. Combustion safety device if water is insufficient in the boiler, it interrupts the operation of the boiler with the...

  • Page 20: More Year

    Routine checks and maintenance. 20 check out whether the flammables are near. Check out whether oil leaks from, is stacked on, or soaks into the oil tank, oil pipes, the body of the boiler, etc. Check out whether there is any water leakage from the body of the boiler and the pipes. Open the drain pl...

  • Page 21: Cleaning The Boiler

    21 much soot accumulated inside the boiler will reduce the life and efficiency. At least once a year, clean the boiler inside. Cleaning the boiler in case that the oil filter gets dirty, stop operating, lock the oil valve, and remove dust or rust accumulated below the oil cup. Detach the oil cup by ...

  • Page 22: Checking The Exhaust Pipe

    22 if the light-receiving surface(sensing surface) gets darkened with soot, the bad sensitivity cause the wrong automatic operation. Cleaning the flame detector you can pull out the flame detector(black) which is attached in the lower part of the burner. Wipe the glassy surface of the flame detector...

  • Page 23: How To Replace The Parts

    How to replace the parts 23 there is no parts which gets wear in a short period, but when the replacement of the parts is needed, consult to out sales agency or commercial agency. There is no parts which gets wear in a short period, but when the replacement of the parts is needed, consult to out sal...

  • Page 24: Electric Wiring Diagram

    Electric wiring diagram 24 model : kdb-203/253/353 stc kdc-104 ce model: dr- 2nd.

  • Page 25: Electric Wiring Diagram

    Electric wiring diagram 25 model: kdb-203/253/353 stc (dhw priority model) kdc-104 p model: dr-2ndp.

  • Page 26: Trouble Shooting

    Trouble shooting 26 Ȅ please contact your local shop and distributor for other unclean matters. &wfoxjuiqsfttjohuifqpxfs cvuupouifnpupsepftoÍu xpsl 5ifufnqfsbuvsfjouifcpjmfs jtbcpwfuiftfuufnqfsbuvsf 5ifsppndpouspmmfsjtpgg 0uifst 5ijtjtopubuspvcmf8ifo uifufnqfsbuvsfpguifcpjmfs hpftepxohfusftubsufe 4f...

  • Page 27: Specifications

    Specifications 27 Ȅ the specification in this operating manual can be changed for improvement without prior notice. Cbs heating oil (light oil, kerosene oil) 220,50/60

  • Page 28

    Memo 28.

  • Page 29

    Memo 29.

  • Page 30

    Memo 30

  • Page 31

    Memo 31.

  • Page 32

    Memo 32.

  • Page 33

    Memo 33.

  • Page 34

    Memo 34.

  • Page 36

    Bo-em-10-01 2013.06.20 20008995b.