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Operating the Boiler 51

10.8 Error Codes

When an error code appears on the front panel, refer to the following chart for a definition and possible remedy for the situation.

Item

Error Code

Description

Reset

Combustion

E001

Overheating of heat exchanger

Manual

E003

Ignition failure

Manual

E004

False flame detection

Auto

E012

Flame loss

Manual

E016

Heat exchanger overheat

Manual

E030

Abnormal exhaust temperature

Manual

E046

Abnormal operation: Heat exchanger overheating sensor

Auto

E047

Abnormal operation: Exhaust thermostat

Manual/Auto

Air Circulation

E109

Abnormal operation: Fan

Manual

Central Heating

Circulation

E205

Heating supply thermistor open or short circuit

Auto

E218

Heating return thermistor open or short circuit

Alarm

E291

Supply/Return inversion limit

Manual Reset

Water Supply

E302

Low water pressure

Auto

E352

High water pressure

Auto

E353

Abnormal operation: Water pressure sensor

Auto

DHW Circulation

E407

DHW Outlet thermistor Open or Short Circuit

Alarm

E421

DHW Inlet thermistor Open or Short Circuit

Auto

E434

Abnormal operation: Flow control value

Alarm

E441

DHW Outlet 2 thermistor open or short circuit

Alarm

E445

Abnormal operation: Mixing valve

Alarm

E480

DHW tank thermistor open or short circuit

Alarm

Controller (PCB)

E515

Abnormal operation: Relay feedback (PCB)

Manual

E517

Abnormal operation: DIP switch setting (PCB)

Manual

E594

Abnormal operation: EEPROM (PCB)

Alarm/Manual

E598

Abnormal operation: Panel real time clock

Alarm

Controller (MCU)

E615

Abnormal operation: Input and memory (MCU)

Manual

Installation

E740

Abnormal operation: Outdoor temperature sensor

Auto

E782

Abnormal operation: Main panel communication

Auto

E783

Abnormal operation: OpenTherm remote control

Auto

E787

Abnormal operation: Reset device

Manual/Power Reset

E788

Abnormal operation: Gas type settings

Manual

If the error code is not cleared by resetting the boiler functioning (see “10.5 Resetting the Boiler”) or if it occurs repeatedly, call the nearest

official Technical Assistance Service (TAS), indicating the number of the error code appearing on the front panel.

Содержание NCB500-1.5S/37K

Страница 1: ...warranty service always contact an official Technical Assistance Service TAS first Contact the technician or professional who installed your boiler Contact a Gas Safe Registered engineer When contact...

Страница 2: ...or explosion may result causing property damage or personal injury Do not store or use petrol or other flammable vapours and liquids in the vicinity of this or any other appliance WHATTO DO IFYOU SME...

Страница 3: ...Setting the DIP Switches 31 7 1 PCB DIP Switches 31 7 2 Front Panel DIP Switches 31 8 Connecting Electrical Supplies 32 8 1 Accessing the Terminal Strips 32 8 2 Connecting the Power Supply Cables 33 8...

Страница 4: ...bour s phone call your gas provider and follow their instructions If you cannot reach your gas provider call the fire department Do not return to your home until authorised by your gas supplier or the...

Страница 5: ...explosion Do not place combustibles such as newspapers or laundry near the boiler or flue system Doing so may result in a fire Do not place or use hair sprays spray paints or any other compressed gas...

Страница 6: ...C Very low scald risk CAUTION Do not turn on the boiler unless the water and gas supplies are fully opened Doing so may damage the boiler Do not turn on the water if the cold water supply shut off va...

Страница 7: ...s If LPG conversion is required use the conversion kit supplied with the boiler and attach the item matching the LPG GC No included in the kit The Codes of good practice and regulations refer to the l...

Страница 8: ...be dangerous When you no longer wish to use the boiler disable any parts that could be potentially hazardous A B C D E F G 2015 811 2013 dB kW A A A B C D E F G A A KD Navien NCB 24LDWE XL 20 40 Insta...

Страница 9: ...aneous hot water production Heat output adjustment Adjustable over entire Max Min output range Type of heating installation Close circuit Max heating operation pressure bar 2 5 Max heating temperature...

Страница 10: ...tal coaxial length 80 125 m 27 Max vertical coaxial length 80 125 m 28 Equivalent elbow length 90 80 125 m 2 2 Equivalent elbow length 45 80 125 m 1 0 Equivalent length of adapter 60 100 80 125 m 0 5...

Страница 11: ...oad elmax kW 0 034 0 034 At part load elmin kW 0 016 0 016 In standby mode PSB kW 0 003 0 003 Other items Standby heat loss Pstby kW 0 078 0 078 Ignition burner power consumption Pign kW 0 0 Annual en...

Страница 12: ...g diagram shows the key components of the boiler Component assembly diagrams and particular parts lists are included in the Appendices NCB700 54C Fan Motor Front Panel Ignitor Flame Rod Circulation Pu...

Страница 13: ...Mixing Chamber Primary Heat Exchanger Secondary Heat Exchanger Return Adapter Filter Assembly Gas Valve Central Heating Return Pressure Relief Valve Central Heating Supply DHW Inlet DHW Outlet 3 Way V...

Страница 14: ...ter A Flue exhaust Air intake 60 100 80 125 B Central heating supply 22 mm C Hot water outlet DHW 15 mm D Gas supply inlet 22 mm E Cold water inlet DHW 15 mm F Central heating return 22 mm OverheadVie...

Страница 15: ...enu and select 2 Central Htg Operation by pressing the OK button 2 In the Central Htg Operation menu select 1 Central Htg ON OFF and select Enable Then select 1 1 CH Set Temp and select a heating temp...

Страница 16: ...ture range by k factor setting value and the applicable outdoor temperature range 20 15 10 5 0 10 15 20 25 5 20 30 40 50 60 50 70 80 90 4 3 5 3 2 5 2 1 5 1 2 0 6 1 0 2 Outdoor Temperature C Outdoor Te...

Страница 17: ...the NCB500 boiler in its final location A detailed description is given of the procedure in the sequenced sections below Wall mounting Gas connection Electrical connections Flue gases exhaustion syste...

Страница 18: ...ainage The boiler produces a significant amount of condensate during operation This condensate must be removed from the boiler and suitably treated if national legislation so requires The boiler shoul...

Страница 19: ...boiler in areas where petrol or other flammables are used or stored Ensure that combustible materials are stored away from the boiler and that hanging laundry or similar items do not obstruct access...

Страница 20: ...the tongues on the mounting bracket and hang the boiler on the bracket When mounted with the mounting bracket the boiler will have a 16 mm clearance from the back of the wall WARNING The boiler is he...

Страница 21: ...d cause leaks Any dirt in the tubes could reduce boiler efficiency and cause it to malfunction Any pipes exposed to the elements or which could freeze in winter must be insulated with suitable insulat...

Страница 22: ...3 5 Follow all local codes and regulations when disposing of condensate from the boiler We recommend draining the condensate into a laundry tub as the alkali in laundry detergent will neutralise the...

Страница 23: ...terial for the drain line such as PVC or CPVC Do not reduce the size of the drain line to less than 21 5 mm The drain line can be connected to the condensate trap using a condensate trap hose The hose...

Страница 24: ...normally after performing an air purge 4 7 Testing the Water System WARNING Ensure that the boiler is full of water before firing the burner Operating the unit without filling it will damage the boil...

Страница 25: ...owing recommendations must be complied with at the least Before installing the gas pipes check the type of gas is compatible with the boiler Check that the gas meter in the home can measure the rate o...

Страница 26: ...lace away from direct sunlight It must also be thoroughly secured to prevent it from tipping over which could cause an explosion If the boiler is used with propane a gas regulator suitable for this ty...

Страница 27: ...t gas pressure reading on the manometer The gas pressure must fall within the ranges specified on page 8 3 Leave the faucet on until the boiler shuts down due to a lack of gas supply and then turn off...

Страница 28: ...connecting the flue outlet must be correctly joined using sealing gaskets Ensure that there are no leaks from any part of the removal circuit Switch off the boiler and wait for the pipes to cool down...

Страница 29: ...s extended to clear any overhangs 6 2 Flue Installation WARNING The gas removal ducts must not be in contact with or near flammable materials and they must not pass through any structures or walls of...

Страница 30: ...8 45 1 0 90 1 5 80 125 27 45 1 0 90 2 2 6 2 2 Vertical Coaxial Removal Type C33 Standard Removal System 80 125 Max length A 28 m 60 100 Max length A 8 m A A Extended Removal System 80 125 Max length A...

Страница 31: ...ns of your installation To choose the removal accessories required for each installation see the list of accessories on the NAVIEN price list MaximumTotal Length Type Pipe Diameter mm Orientation Maxi...

Страница 32: ...s boiler type capacity burner type country and discharge of condensate function 1 2 3 4 5 6 7 8 ON DIP SW1 Switch Function Setting 1 Boiler Type SOLO ON COMBI OFF 2 Reserve 3 4 Capacity 28kW 3 OFF 4 O...

Страница 33: ...t the time of installation Note The NCB500 boiler has an electrical protection degree of IPX5D The electrical connection must be made via a bipolar switch located on the same premises as the boiler Th...

Страница 34: ...ether with the seal B 4 Insert all these elements in the cable gland and press on the lid A until the cable is sufficiently fixed in place and the unit is sealed Note The boiler must be connected to t...

Страница 35: ...ce This enables our modulating range of OpenTherm room controls to be connected without any further modifications NCB500 OpenTherm Protocol Room Controller 1 2 3 4 5 6 8 3 Connecting the Switched Live...

Страница 36: ...a mobile device As the Navien NCB500 boiler has a dedicated connector for the Navien Smart Room Controller on the back of the front panel terminal connection at the terminal block is not required Sim...

Страница 37: ...ngeover check the gas inlet pressure Check that the gas circuit is hermetically sealed Check that the control panel is working correctly Check that it functions normally when the boiler is switched on...

Страница 38: ...r s schedule programming operation is set f DHW preheat Displayed when the DHW preheat feature is enabled DHW preheat DHW Intelligent DHW preheat Always on DHW preheat Weekly DHW preheat off Eco mode...

Страница 39: ...al heating and DHW supply temperatures Refer to the following table for detailed information a b c d e f a Menu button Access to the Main menu screen b Back button Access to the previous screen c OK b...

Страница 40: ...mperature will appear on the front panel display after the power is turned on 10 3 Start Up Wizard The setup wizard should run the first time the unit is powered on The wizard must be completed before...

Страница 41: ...r temperature 1 Make sure that all hot water taps are closed and ensure that the internal circulator and any external circulating pumps are off 2 In normal operation mode press the Up button The DHW t...

Страница 42: ...o the fan target speed Fan Target RPM is only for your reference 10 6 Accessing Basic Menu Items In the Main Menu screen you can view the boiler s operating conditions configure the central heating an...

Страница 43: ...input from the outdoor temperature sensor OTC Outdoor Temperature Compensation control will be enabled automatically Also if there is no input from the outdoor temperature sensor OTC control will be d...

Страница 44: ...gramming operation press the Menu button and then select 4 Schedule Programming 10 6 3 Setting the DHW Operation To set the boiler s DHW operation press the Menu button and then select 3 DHW Operation...

Страница 45: ...ch between the list items or to increase decrease setting values Press the OK button to select an item or to confirm after making changes Press the Back button to return to the previous screen or menu...

Страница 46: ...System Information To view the miscellaneous system information press the Menu button and then select 6 EMS Data Press the Up button or the Down button to switch between the information items Press t...

Страница 47: ...u Items 10 7 1 Viewing Service Information To view the service information about the boiler press the Back button and the Menu button simultaneously for 3 seconds and then select 1 Service Status Info...

Страница 48: ...20 min Default 3 min 8 Freeze protection Set the pump freeze protection temperature Setting range 6 C 10 C Default 10 C Note The system freeze protection temperature is set based on the pump freeze p...

Страница 49: ...lt Boiler s minimum heat capacity 11 CH Max Limit Set the central heating maximum heat capacity limit Setting range Central heating minimum capacity limit 20 100 Default 100 12 DHW Min Limit Set the D...

Страница 50: ...when detecting the feedback 10 7 4 Diagnosing the Boiler System To run a series of test procedures for a system diagnosis press the Back button and the Menu button simultaneously for 3 seconds and th...

Страница 51: ...he operation modes Press the OK button to select an operation mode The boiler resumes operation in normal operation mode if no input is detected for 3 hours Press the Back button to return to the prev...

Страница 52: ...HW Outlet thermistor Open or Short Circuit Alarm E421 DHW Inlet thermistor Open or Short Circuit Auto E434 Abnormal operation Flow control value Alarm E441 DHW Outlet 2 thermistor open or short circui...

Страница 53: ...l need to drain either both the central heating side and domestic hot water DHW side or one side only before performing maintenance tasks such as cleaning the adapter filter or to prevent the boiler f...

Страница 54: ...s still connected Do not close the gas valve except for routine maintenance as this will limit additional freeze protection If the boiler will not be used for an extended period drain the boiler If th...

Страница 55: ...beginning of every heating season and or when there is a problem 11 5 Maintenance Schedules Owner maintenance Daily Check boiler area Check pressure temperature gauge Monthly Check flue piping Check...

Страница 56: ...may also cause severe property damage 1 Inspect all water and gas piping and verify to be leak free 2 Look for signs of leaking lines and correct any problems found Checking the Flue System and Air P...

Страница 57: ...Remind the owner to follow the proper shutdown procedure and to schedule an annual start up at the beginning of the next heating season WARNING Failure to inspect for the above conditions and have th...

Страница 58: ...n and is responsible for the connection utilization repair or servicing of gas utilization equipment or accessories who is experienced in such work familiar with all precautions required and has compl...

Страница 59: ...bove the gas valve where it is attached to the fan motor assembly Carefully remove the two screws by hand using a Phillips screwdriver and pull the gas inlet pipe away from the fan assembly to access...

Страница 60: ...led The Outer packing must be in good condition and must be installed Failure to comply will cause a gas leak resulting in severe personal injury Replace the old Orifice piece with the new part for us...

Страница 61: ...up Wizard for gas type selection refer to 10 3 Start Up Wizard on page 39 Measure the CO2 value at low fire If the CO2 value is not within 0 5 of the value listed in Table 2 the gas valve set screw wi...

Страница 62: ...e boiler you should clean the heat exchanger annually To clean the heat exchanger 1 Press the Power button on the front panel to turn off the boiler 2 Disconnect the power supply to the boiler 3 Turn...

Страница 63: ...sen the three screws holding the front panel and remove the front panel Note When removing the front panel label all wires and make sure all wires are disconnected 7 Use a Phillips screwdriver to remo...

Страница 64: ...important to keep electric parts of the boiler safe from water Navien recommends to use a hose If the water pressure of the hose is too high water may splash to other electric parts of the boiler Kee...

Страница 65: ...Dip s w 8pin Dip s w 4pin EXT Contact M 7 6 5 4 3 2 1 8 MIX V V CN10 OUTLET_Temp 5 4 3 6 2 CN12 HTL INLET_Temp 2 3 4 CN8 1 CN2 M 7 6 5 4 3 2 1 8 WAV V V CN11 P E 1 2 3 4 1 6 7 8 5 1 0 1 1 1 2 9 1 4 1...

Страница 66: ...nt Valve Flow Control DC15V Vent Separation Detector Supply Thermistor Outlet Thermistor 1 Return Thermistor UART Communication Interface FRONT PANEL Communication Interface FUSE Inlet Thermistor 1 EM...

Страница 67: ...ensor is on a North or Northeast side of a structure under eaves where the sensor is shielded from direct sunlight Avoid placing sensor in close proximity of heat sources that may affect correct tempe...

Страница 68: ...terlock Provided ALL SYSTEMS The system has been flushed and cleaned in accordance with BS7593 and boiler manufacturer s instructions Yes What system cleaner was used What inhibitor was used Quantity...

Страница 69: ...gister No Record At max rate CO ppm AND CO At min rate Where Possible CO ppm AND CO Comments Signature SERVICE 04 Date Engineer name Company name Telephone No Gas safe register No Record At max rate C...

Страница 70: ...Memo...

Страница 71: ...Memo...

Страница 72: ...Memo...

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