Navien LST-58K Instruction Manual
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Navien LST-58K Instruction Manual

Oil boiler
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Summary of Contents for Navien LST-58K

  • Page 1 LST-58K...

  • Page 3: Table Of Contents

    User manual Safety Instructions Before using the boiler Notes when using The structure and its description Safety device Room thermostat Operation and display panel Room Thermostat on/off Room Temp. mode Heating Water Temp. Mode Timer Mode Power Heating Mode Outing Mode Hot Water Mode Remote Operation by telephone Daily checkup...

  • Page 4: Safety Instructions

    Safety Instructions Safety-related messages and instructions have been provided in this manual and on boiler to warn you and others of a potential injury hazard. Read and follow all safety messages and instructions throughout this manual. It is very important to understand these safety section for operating, installing and servicing of boiler.

  • Page 5: Before Using The Boiler

    Before using the boiler WARNING Be sure to check the fuel prior to use. Use of the oil, other than the one speci ed on the name plate on the front of the boiler, may result in a re or explosion. Be sure to check the power supply.
  • Page 6 CAUTION The fuel shall be kept in a place without direct sunlight, free from the impact of oil, re, rain, or dust. Be sure to close the oil tank lid. Any foreign object in the oil tank may cause the deteriorated combustion, boiler malfunction, or the shortened life of th boiler.

  • Page 7: Notes When Using

    Notes when using WARNING Close all the boiler room doors leading to the indoors before use. Exhaust gas, if owing into the indoors, may cause a carbon oxide poisoning. Do not stop up the air intake and the vent to prevent a draft in the winter. Incomplete combustion due to oxygen de ciency may lead to a carbon oxide poisoning.
  • Page 8 CAUTION Check if there is any oil leak on the oil tank, the oil pipe, and the boiler (inside/outside). Operation of the boiler, with oil leak or stagnant oil, may cause a re. When the boiler is operating or right after the boiler is turned off, do not touch the portions near the vent or the chimney pipe (chimney).
  • Page 9 CAUTION Do not touch the power cord with wet hands. An electric shock may be caused. Do not make a short circuit between the low water level sensor wire and the ground wire inside the panel. Failure to detect the level (water) inside the boiler may result in malfunction of the boiler.
  • Page 10 CAUTION Open the distributor valve and the oil middle valve when you go outside in the winter. The boiler shall keep operating not to get frozen or burst during the winter. If the distributor valve or the oil middle valve is closed, the boiler stops operation, which may cause the boiler and pipeline implosion.

  • Page 11: The Structure And Its Description

    The structure and its description Boiler LST-58K...
  • Page 12 Burner KPO-50B-Navien LST-58K Flame detector : to detect the ame of the burner for safe burner operation. Gear pump : This device sucks and pressurizes oil for combustion. Air damper : to adjust the air volume for the fan. Ignition transformer : to generate high voltage to ignite the fuel Electrode : to ignite the fuel with the high voltage from the ignition transformer.

  • Page 13: Safety Device

    Safety Device 1. Safety device for power failure This device automatically shuts o the oil to stop operation during power failure. 2. Safety device for power recovery When the boiler recovers from power failure, this device helps the boiler to automatically re-start for normal operation (which functions for 2 hours).

  • Page 14: Room Thermostat

    Room Thermostat (LCR-2D) LCD Display Indicating each function and status UP/DOWN Temp. & Timer Mode Outing Mode Outing Setting Mode MODE Select Mode Power Hot Water Room Thermostat Hot Water Mode Power ON/OFF Temperature Operation Hot water Outing Indicator Mode Mode Timer Heating...

  • Page 15: Operation And Display Panel

    Operation and display panel Operation and display panel (KDC-106M) Heating temp. LED indicate the temp. of heating water, and occurrence of trouble displayed the failure code. 02. LOW WATER LEVEL 03. MISFIRE 04. PSEUDO-FLAME 05. TEMP. SENSOR FAILURE 12. MISFIRE IN COMBUSTION 16.

  • Page 16: Room Temp. Mode

    Room Temp. Mode Press the Mode button repeatedly, Set the heating temp. until is displayed. with +/- button. blinks when selecting When blinks, set the desired Room Temp. Mode heating temp. between 10~40 adjusting +/- button, after a while, it is automatically saved. Heating temp.

  • Page 17: Heating Water Temp. Mode

    Heating Water Temp. Mode Press the Mode button repeatedly, Set the heating temp. until is displayed. with +/- button. blinks when selecting When blinks, set the desired Heating Water Temp. Mode heating temp. between 40~80 adjusting +/- button, after a while, it is automatically saved.

  • Page 18: Timer Mode

    Timer Mode Timer Mode is a function that boiler repeatedly operates 20- minute stop and again that can be set in the range of hour 0~9, 50 minutes. Press the Mode button repeatedly, Set the heating stop time until is displayed. with +/- button blinks when selecting Timer Mode.

  • Page 19: Power Heating Mode

    Power Heating Mode Press the Mode button repeatedly, until is displayed. When selecting Power Heating, is displayed and it is combustioning for 30 minutes continuously. After 30 minutes, it returns to previous heating mode. Outing Mode Use this function when operating the boiler with minimum capacity without heating and there is no one at home.

  • Page 20: Hot Water Mode

    Hot Water Mode Use this function only when hot water is needed. Press button. will be displayed and Hot Water Mode will be set. Press the MODE button and select the desired heating to cancel the Hot Water Mode. 1. Please be careful that infants and young children do not use hot water without a guardian for safety.

  • Page 21: Remote Operation By Telephone

    Remote Operation By Telephone With phone network, heating function of room thermostat can be set. Activating the boiler 1. Press "#" button 3 times. 2. Hang up the phone, when hearing 'beep-beep' sound. The boiler is operated with ‘Power Heating Mode‘ for 30 minutes and returns to the previous mode (If the room thermostat is o , return to Outing Mode.) Suspending the boiler 1.
  • Page 22 When altering the number of ringing 1. Press"0" button 3 times. 2. 'beep-beep-beep-beep' sound will be ringing 4 times. 3. Press a button you select out of 4. After 'beep-beep-beep-beep-beep' sound, hang up the phone. 5,6,7,8,9, or 0 three times. 1.

  • Page 23: Daily Checkup

    Daily checkup 1. Check if there is any combustible object nearby the boiler chimney pipe (chimney) 2. Check if chimney pipe(chimney) is crushed, lled with water, clogged or burst and if the end of the chimney pipe(chimney) is in a place and a direction not to have damage on other houses and people owing to the wind or other impacts.

  • Page 24: Cleaning The Boiler

    Cleaning the boiler Cleaning the oil filter If the oil lter is dirty, stop operation of the boiler, close the oil valve, and remove dust and rust below the oil lter cup. 1. Turn o the boiler. 2. Separate the oil lter cup connected to the exible hose nearby the inlet of the gear pump, by turning the cup counter-clockwise.

  • Page 25: Error Code

    Error code When an error occurs, the LCD shows one of the following numeric error codes with letter 'E' . Operation Code Problems Factors Circulation Pump Not enough water to operate Low water level the unit Controling the Ignition a failure Fa Fail to ingniting temperature If detecting any ame in the...

  • Page 26: How To Locate Troubles And Solve

    How to Iocate troubles and solve If there is any abnormality in the product, check the following before consulting with the installation personnel. If the check lamp light is on to indicate an abnormality, take proper actions by symptoms as presented in the following, and restart the boiler. (Re-insert the power plug or set the restart switch at ON to re-operate the boiler.) If the boiler does not operate, call the nearby any distributors.
  • Page 27 Safety Instructions Safety-related messages and instructions have been provided in this manual and on boiler to warn you and others of a potential injury hazard. Read and follow all safety messages and instructions throughout this manual. It is very important to understand these safety section for operating, installing and servicing of boiler.
  • Page 28 Outside drawing on the boiler LST-58K...
  • Page 29 Safe and correct installation Before installation WARNING Be sure to check the fuel to be used in the installation place, prior to installation. Use of the oil, other than the one speci ed on the name plate on the front of the boiler, may result in a re or explosion.
  • Page 30 Never install the boiler in a moist or enclosed place such as a bathroom, a toilet. Incomplete combustion, caused by oxygen de ciency, may lead to a carbon oxide poisoning. Installation in the above place may also cause earlier product malfunctions. Never install the product in a place with corrosive gas such as ammonia, chlorine, sulfur, acids.
  • Page 31 Boiler installation Install the boiler on the surface with a structure capable of enduring the load of the boiler (weight). (Refer to the speci cations presented in the user’s manual.) Install the boiler in a horizontal, upright position so that the boiler does not lean toward one side.
  • Page 32 The boiler shall be kept away from the nearby combustible objects, as illustrated in the following gure. Precautions for boiler installation in the outdoors Appropriate protection facilities such as the casing shall be provided for the boiler to prevent the rain from permeating into the boiler. The waterproof treatment shall be applied to the exposed insulation materials or lagging.
  • Page 33 Electric wiring installation WARNING The electric wiring installation shall be performed to comply with the power supply of the product. The power supply, if higher or lower than the one speci ed on the name plate on the front of the boiler, may cause a re.
  • Page 34 Never make a ground connection to the lightning rods and the fuel pipe. Ground connection to the lightning rod may result in a boiler malfunction. Ground connection to the fuel pipe may result in an explosive accident. Be sure to use the magnet switch for connection of the circulation pump with more than 150W.
  • Page 35 Fuel(oil) piping installation WARNING Check if there is oil leak or stagnant oil on the oil tank, the oil pipe, the boiler (inside and outside). The boiler operation with oil leak or stagnant oil may cause a re. Installation of the oil tank Install the oil tank in a well-ventilated place, free from the impact of direct sunlight or rain.
  • Page 36 Connection of oil pipeline The oil pipeline shall be securely connected to the oil tank. It shall be free from oil leakage and separably connected to the oil tank. The connection points of the oil pipeline shall not be easily deformed or separated. The oil pipeline shall be made of metal or copper.
  • Page 37 air vent work (the single piping system) 1. Loosen the air vent screw on the upper side of the oil lter using a Philips head screwdriver. After air vent is completed and oil is discharged, tighten the air vent screw. (This method is feasible only when the oil tank is placed above the oil lter.) 2.
  • Page 38 Example of installation of the oil pipe (KPO Burner) 1. Multi piping system (2-pipe type) Use this system when the oil tank is installed above, below, or at the same height as the boiler. The piping method is to connect the gear pump inlet to the pipe on the lower side of the oil tank and connect the additional return pipe to the return pipe of the gear pump in...
  • Page 39 Heating and hot water piping installation CAUTION The exposed pipes shall be heat insulated with the insulation material. The exposed pipes may get frozen in the winter. If the water supply pipe is frozen, the hot water is not supplied, and when the heating pipe has run out of water, the water is not supplemented.
  • Page 40 Precautions for piping installation Install the pipes as illustrated in the standard pipe drawing. Failure to install the pipe as illustrated in the standard piping drawing may deteriorate the e ciency of the boiler and the circulation of the heating water, which may result in a boiler malfunction.
  • Page 41 Precautions for piping installation Precaution for the piping installation for the combi boiler for heating and hot water supply / the dedicated boiler for heating LST-58K Open piping system Be sure to comply with the instructions presented in the “Considerations in common”.
  • Page 42 Standard piping drawing Open expansion - Combi boiler Closed expansion - Combi boiler...
  • Page 43 Room Thermostat Installation Fix the bracket by using bolts. Connect rmly the two wires from the boiler to the screws on the back side of the room thermostat. Connect rmly the two wires from the telephone code to the screws on the back side of the room thermostat.
  • Page 44 CONVERTER-CV2 Check point for safety 1. Check the electric voltage before you operate the boiler. 2. Tele-room controller can be adapted to voltage DC 24-31V form the main controller of boiler. 3. Make sure to connect the electric port properly. One is far room controller , the other is for telephone.
  • Page 45 Fixing & Wiring 1. Connect rmly the room controller wire(2 Line) form the boiler , to the room controller port in the back of the room controller. 2. Connect rmly the KD-SP wire to the telephone port in back side of the converter-CV2 3.
  • Page 46 Multi Floor System TMR-5P M.F.S Converter DR-5P (KDC-5P) 3rd Fl. Valve Radiator TMR-5P M.F.S Converter DR-5P (KDC-5P) 2nd Fl. Valve Radiator TMR-5P M.F.S Converter DR-5P (KDC-5P) 1st Fl. Valve Radiator CONVERTER-CV2 VALVE Actuator : Erie VT2325G13A01A AC24V 2WAY WATT6.5 water flow detector sensor Main Controller Cold Water...
  • Page 47 Multi Floor System Room Converter 4-Φ4.5 HOLE KyungDong M.F.S ROOM CONVERTER WIRE DRAW VALVE ROOMCON (AC24V 6VA)≥ -6P,7P VALVE or FAN (ACPOWER VOLT 100VA) Green White Blue Brown AC250V 5A (10, 21) Orange KDC-104P, 207TP AC POWER INPUT KDC-5P (AC220V) <KDC-5P>...
  • Page 48 Check point for test operation 1) Check if the boiler is installed correctly. Check if the oor surface is made of strong, at, and non- ammable materials such as concrete and if the surrounding area is also made of non- ammable materials.
  • Page 49 Test operation Open the water supply valve to supplement water in the boiler. - The water supply pressure shall be kept to less than the allowable working pressure, speci ed on the name plate of the boiler. - Upon completion of water supplement, the makeup water lamp on the controller goes out.
  • Page 50 Maintenance Yearly appliance check and maintenance The followings checks and maintenance activity should be performed at least one time per year : Cleaning of the burner Visual inspection of the exhaust duct for wear or corrosion checking Correct ignition and detection Correct burner setting in heating and domestic hot water production Correct operation of the main switch upstream the boiler Correct operation and adjustment of the boiler regarding :...
  • Page 51 Electric wiring diagram...
  • Page 52 The Speci cation Model Navien LST-58K Classi cation kcal/h Heating output 50,000(58.5) (kW) kcal/h Hot water output 50,000(58.5) (kW) Hot water supply capacity( 40 Purpose Heating/Hot water ciency 89.5 Fuel Heating oil(Light oil) Maximum allowable working pressure (0.343) 1.83 Heat transfer area 330.6...
  • Page 53 memo...
  • Page 54 memo...
  • Page 56 BO-E-M-10-02 2013.05.23...

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