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52 Operating the Boiler

11. Operating the Boiler

11.1.1 Icons and Digital Display

The icons and digital display on the front panel provide
important information required for the boiler’s operation. Refer
to the following table for detailed information.

a

Outdoor temperature
compensation (OTC)

Displayed when the outdoor
temperature compensation (OTC) is
enabled.

b

Combustion

Displayed when the burner is
combusting.

c

System fault

Displayed when a system fault is
detected.

d

Anti-freeze

Displayed when the boiler is operating
in anti-freeze mode.

e

Schedule programming mode

Displayed when the boiler’s schedule
programming operation is set.

f

DHW preheat

Displayed
when the DHW
preheat feature
is enabled.

Always On

Weekly

Intelligent

g

Central heating demand

Indicates the central heating
demand is present.

h

DHW demand

Indicates that DHW demand is
present.

i

Central heating set temperature

When the central heating
temperature is set: Displays the
currently set central heating
temperature.

When the central heating
temperature is not set: Displays the
current supply water temperature.

j

DHW set temperature

When the DHW temperature is set:
Displays the currently set DHW
temperature.
When the DHW temperature is not set:
Displays the current supply water
temperature when using the DHW
thermostat.
Displays the current DHW tank
temperature when using the DHW
sensor.

k

Outdoor temperature

Displays the outdoor temperature.

l

System pressure

Displays the internal water pressure of
the boiler system.

11.1 Using the Front Panel

The front panel allows you to adjust the temperature and view the operating status or error codes. Remove the protective film from the
front panel before using it.

b

a

d

f

c

g

i

k

h

j

l

e

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Содержание LCB700-21RS

Страница 1: ...X Keep this manual near this boiler for future reference whenever maintenance or service is required Installation Operation Manual WARNING If the information in these instructions is not followed exac...

Страница 2: ...e 37 6 5 Fixing the Flue 37 7 Setting the DIP Switches 38 7 1 PCB DIP Switches 38 7 2 Front Panel DIP Switches 38 8 Connecting the Power Supply 40 9 Connecting Electrical Supplies 41 9 1 Accessing the...

Страница 3: ...but of importance to the user DANGER If oil fumes or leaks from the appliance Extinguish any naked flames Isolate the electrical supply Isolate the fuel supply to the boiler Rectify the fault Do not...

Страница 4: ...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 5: ...egree burn 70 C Less than 1 second 60 C 1 second 55 C 10 seconds 49 C 10 minutes 37 C Very low scald risk CAUTION Do not turn on the boiler unless the water and oil supplies are fully opened Doing so...

Страница 6: ...rk to ensure that the installation complies with the regulations Installation Failure to install appliances correctly could lead to prosecution The appliance should be installed by a competent person...

Страница 7: ...e Regional requirements Republic of Ireland EC Conformity Declaration Navien hereby declares that the LCB700 models to which this declaration refers conform to and comply with the essential requiremen...

Страница 8: ...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 24LSWE XL 20 40 Installation Operation Manual ErP Label Oil Pump Ret...

Страница 9: ...ection Central Heating supply return DHW Domestic Hot Water Outlet DCW Domestic Cold Water Inlet Condensate 21 5 21 5 Oil inch 1 4 BSP Male 1 4 BSP Male Flue System Flue Size Coaxial 100 60 plastic Co...

Страница 10: ...3 97 56 97 91 Auxiliary electricity consumption At full load elmax 0 0935 0 1013 0 1242 At part load elmin 0 0281 0 0268 0 0328 In standby mode PSB 0 0016 0 0018 0 0017 Other items Standby heat loss P...

Страница 11: ...ded in the Appendixes Circulation Pump Pressure Relief Valve Air Pressure Sensor Pressure Sensor Heating Return Flue Temperature Sensor Heating Supply Auto Air Vent Flue Duct Oil Burner Main Controlle...

Страница 12: ...e boiler Component assembly diagrams and particular parts lists are included in the Appendixes Oil Burner Main Controller Front Panel Expansion Vessel Heat Exchanger Flue Duct Auto Air Vent Auto Air V...

Страница 13: ...ppendixes Circulation Pump Pressure Relief Valve Air Pressure Sensor Pressure Sensor Flue Temperature Sensor Heating Supply Heating Return Auto Air Vent Flue Duct Oil Burner Main Controller Front Pane...

Страница 14: ...oiler Component assembly diagrams and particular parts lists are included in the Appendixes Oil Burner Front Panel Expansion Vessel Heat Exchanger Flue Duct Cold Water Inlet DHW Outlet CH Return CH Su...

Страница 15: ...LCB700 21RS RSX 21LS LSX 28RS RSX 28LS LSX 36RS RSX 36LS LSX A Flue Exhaust 60 100 B Central Heating Supply 22 22 22 28 C Central Heating Return 22 22 22 28 D Oil Supply Inlet 1 4 Ball Valve Female E...

Страница 16: ...aust 60 100 B Central Heating Supply C Central Heating Return D DCW Inlet 1 4 Ball Valve Female E DHW Outlet More than 21 5 Plastic Pipe F Oil Supply Inlet 1 4 Ball Valve Female G Condensate Drain Mor...

Страница 17: ...easy installation of the LCB700 boiler in its final location A detailed description is given of the procedure in the sequenced sections below Installation Location Oil connection Electrical connectio...

Страница 18: ...requirements and recommendations stipulated in the Regulation for Heating Installations in Buildings RITE and any other applicable legislation in this field must be observed 3 2 Choosing an Installat...

Страница 19: ...boiler or its ue system Adequate Installation Clearances CAUTION Do not install the boiler on carpet s Install the boiler in an area that allows for service and maintenance access to utility connecti...

Страница 20: ...compliance with the requirements in standard BS 7593 In areas with hard water treatment may be necessary in order to prevent scale from forming in the boiler Make sure to use the water treatment produ...

Страница 21: ...tems requires specially formulated glycol which contains inhibitors to prevent the glycol from attacking the metallic system components Before using freeze protection products ensure that system fluid...

Страница 22: ...lated from the boiler anytime the system is operating Failure to follow these instructions may lead to discharge from the pressure relief valve which may result in property damage or injury Pressure R...

Страница 23: ...han the minimum rate use an external pump below 100 W to maintain a flow rate above the minimum Also ensure the pipes used for the boilers are not blocked and check if there are any pressure drops CAU...

Страница 24: ...p Sensor Auto Air Vent Pressure Gauge Heat Exchanger Regular Boiler S Plan Layout 2Way Valve Y Plan Layout 3Way Valve Auto Air Vent Temp Sensor Filling Loop Circulating Pump DHW Tank Regular Boiler He...

Страница 25: ...ION For correct installation and trouble free operation of the appliance the following advice should be followed All condensate pipework must fall from the appliance by a minimum of 3 degrees 52 mm pe...

Страница 26: ...luded in the accessory To connect the condensate drain 1 Connect an integrated drain hose to the 21 5 mm at the bottom of the boiler Use only corrosion resistant material for the integrated drain hose...

Страница 27: ...testing check the system thoroughly for leaks Repair any leaks before proceeding further WARNING Eliminateallsystemleaks Thecontinualintroductionoffresh makeup water will reduce boiler life Minerals c...

Страница 28: ...are described in OFTEC book 3 In Northern Ireland the Building Regulations do not currently cover the installation of oil storage tanks In the Republic of Ireland the requirements of BS 5410 Part 1 20...

Страница 29: ...use the oil line nipple included with the boiler to connect the flexible hose to the fuel pipe of the oil storage tank Oil Storage Tank Fuel Pipe Boiler Oil Line Nipple Flexible Hose CAUTION The oil...

Страница 30: ...ve the oil pump Where the maximum oil level in the oil storage tank exceeds 4 metres a head breaking device must be installed between the tank and the boiler oil pump Oil Storage Tank Min 1 m Max 4 m...

Страница 31: ...n valve should be fitted in the supply pipe together with the filter and fire valve A non return valve should be fitted in the return pipe if the top of the tank is above the burner The pump vacuum sh...

Страница 32: ...rator or fitted to the oil line between the oil storage tank and the de aerator A top feed oil tank fitted with a de aerator using an internal non return valve should have any non return valves fitted...

Страница 33: ...ine plug is supplied in the boiler accessory pack Pressure Connection Stage 2 Valve Pressure Regulator Stage 2 Pressure Regulator Stage 1 Oil Return Line Stage 1 Valve Cartridge Filter Oil Nozzle Conn...

Страница 34: ...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 35: ...3 80 125 68 45 1 0 90 2 2 Note For vertical ducts the outlet must be at least 60 cm from any opening The dimensions B C D and E may be reduced to 25 mm as long as the flue terminal is extended to clea...

Страница 36: ...minal The total length of the tubes must not exceed the maximum value defined If the removal installation includes elbows while calculating the total length you must take into account that each elbow...

Страница 37: ...22 m horizontal clearance is maintained 6 5 Fixing the Flue After installing the flue vent fasten the screw to fix the flue vent to the flue duct Use screws supplied by Navien Flue connections must b...

Страница 38: ...SW1 SW2 Switch 1 Function Setting 1 2 Operation Status Normal Default 1 OFF 2 OFF Stage 1 Low 1 OFF 2 ON 1 ON 2 ON Stage 2 High 1 ON 2 OFF 3 Boiler Type Solo System Regular 3 OFF Combi 3 ON 4 Not Used...

Страница 39: ...tting 6 7 8 CH Heat Demand Switched Live 6 OFF 7 OFF 8 OFF CH Thermostat 6 ON 7 OFF 8 OFF Navien Thermostat 6 OFF 7 ON 8 OFF OT R C 6 ON 7 ON 8 OFF Not Used 6 OFF 7 OFF 8 ON Not Used 6 ON 7 OFF 8 ON N...

Страница 40: ...er must be electrically grounded If wiring the boiler directly to a power supply do not attach the ground wire to oil or water pipes as plastic pipe or dielectric unions may prevent proper grounding W...

Страница 41: ...boiler and particularly on the electric terminal strips If the electrical supply is connected electrical contact could occur causing serious damage due to electrocution CAUTION Label all wires before...

Страница 42: ...egular DHW Valve S Y plan c System Regular CH Valve S Y W plan d Junction box connection 1 CH_ON 2 DHW_ON 3 DHW_OFF 4 AC Thermostat Switched Live 5 L Note The AC Thermostat Switched Live and L termina...

Страница 43: ...H thermostat 6 ON 7 OFF 8 OFF Navien Thermostat 6 OFF 7 ON 8 OFF OT RC 6 ON 7 ON 8 OFF Not used 6 OFF 7 OFF 8 ON Not used 6 ON 7 OFF 8 ON Not used 6 OFF 7 ON 8 ON Not used 6 ON 7 ON 8 ON 9 3 2 DHWTank...

Страница 44: ...tage DC application part Room Controller OpenTherm Protocol 0 0 0 21 0 Low Voltage DC Application Part Note OpenTherm is an industry standard modulating control available from several control manufact...

Страница 45: ...in the low voltage DC application part CH Thermostat 0 0 0 21 0 Low Voltage DC Application Part 9 4 4 Connecting the OutdoorTemperature Sensor The boiler is designed to be able to function with an out...

Страница 46: ...n the AC application part It only operates when there is an operating signal from the CH thermostat Brown 1 Blue 0 0 1 0 AC Application Part 1 9 5 2 Connecting the 2 Port Diverter Valve DHW The boiler...

Страница 47: ...an operating signal from the cylinder stat or CH thermostat Brown 1 Blue 0 0 1 0 CH N C DHW N O 1 AC Application Part 1 9 5 4 Connecting the 3 Way Valve Type C Contact The boiler is designed to be co...

Страница 48: ...s 1 5 of the CONM4 in the AC application part and the CONZ3 POWER OUT in the AC power line part 2 Port Zone Valve Motor 2 Port Zone Valve Motor 1 2 3 4 5 6 7 8 9 10 HTG HW Wiring Centre Grey Grey Oran...

Страница 49: ...of the CONM4 in the AC application part and the CONZ3 POWER OUT in the AC power line part Cylinder Stat Grey Orange 3 Port Mid Position Zone Valve 1 2 C White Room Stat 2 1 3 1 2 3 4 5 6 7 8 9 10 Gre...

Страница 50: ...the proper system pressure If antifreeze has been used is it the proper type and is the concentration appropriate Did you install an automatic bypass valve of at least 6 min when connected to radiato...

Страница 51: ...this manual Are the outlets and horizontal tubes of the flue sloping upwards about 3 degrees Are the air intake and flue connections on the lines correctly sealed Is the total flue length within the...

Страница 52: ...nd Indicates the central heating demand is present h DHW demand Indicates that DHW demand is present i Central heating set temperature When the central heating temperature is set Displays the currentl...

Страница 53: ...ed for the boiler s operation such as central heating and DHW supply temperatures Refer to the following table for detailed information a Back button Return to the previous menu or screen b Mode butto...

Страница 54: ...re 5 Press the Back button to return to normal operation mode or rotate the Command dial to adjust other operation conditions 11 2 Turning the Boiler on or off To turn the boiler on or off press the P...

Страница 55: ...ater temperature 1 In normal operation mode rotate the Command dial The central heating temperature is highlighted on the screen 2 Rotate the Command dial to the right to select the DHW temperature 3...

Страница 56: ...ng Basic Information To view information about the boiler press the Menu button and then select 2 Status Information Rotate the Command dial to switch between the information items Press the Command d...

Страница 57: ...ystem Regular Models Item Description 1 Operation State Current Operation State 2 Heat Capacity Heat capacity Low or High 3 CH Set Temp Central heating set temperature C 4 DHW Set Temp DHW indirect su...

Страница 58: ...r s central heating operation press the Menu button and then select 3 Central Htg Operation Rotate the Command dial to switch between the list items or to increase decrease setting values Press the Co...

Страница 59: ...mand for weekday and weekend 3 5 1 1 Day Schedule a command for weekdays Saturdays and Sundays 4 OFF Not Used Disable the schedule function Rotate the Command dial to switch between the list items or...

Страница 60: ...can press the Power button to clear a level1 error Then the error is cleared if the problem has been resolved Combi Models Central Heating Mode Item Description 1 7 Day Schedule a command for each day...

Страница 61: ...lsius C 3 PSI BAR Setting Select the water pressure unit 1 PSI 2 BAR Default BAR 4 Time Setting Set the system clock RTC Display format YYYY MM DD HH MM SS 5 Backlight Time Setting Set the backlight t...

Страница 62: ...tatus 6 3 Way Valve 3 Way valve output status 7 HTL Input Status HTL input status 11 5 Accessing Advanced Menu Items 11 5 1 Viewing Service Information To view service information about the boiler pre...

Страница 63: ...ling time Setting range 0 20 min Default 3 min 6 Burner Switching Diff Set the temperature range for the SH combustion switch Setting range 5 C 30 C Default 5 C 7 Freeze protection Set the pump freeze...

Страница 64: ...notification Setting range 30 3650 days 10 years It can be set in 10 day increments Default 1820 days 5 years Item Description 10 Oil CMPS Rate Set the oil consumption compensation rate Setting range...

Страница 65: ...erating times Setting range 300 36500 cycles It can be set in 100 cycle increments Default 18200 cycles 16 Factory Reset Initialize all parameter settings panel and main controller to factory default...

Страница 66: ...peration The 2 way valve is turned on as soon as you enter the test mode Press the command dial to toggle the valve operation On Off Off On Note This option is not performed on Combi boilers 5 3 Way V...

Страница 67: ...Water Supply E302 Low water pressure Manual E352 High water pressure Manual E353 Abnormal operation Water pressure sensor Auto DHW Circulation E407 DHW Outlet thermistor Open or Short Circuit Alarm E...

Страница 68: ...Keep it as dry as possible 12 2 Draining the Boiler You will need to drain either both the central heating side and domestic hot water DHW side or one side only before performing maintenance tasks suc...

Страница 69: ...tection function will operate regardless of whether or not the power is turned on or off as long as the electric supply is still connected Do not close the oil valve except for routine maintenance as...

Страница 70: ...f every heating season and or when there is a problem 12 4 Maintenance Schedules Owner maintenance Daily Check boiler area Check pressure temperature gauge Monthly Check flue piping Check condensate d...

Страница 71: ...rature shipped with the boiler Failure to perform the service and maintenance could result in damage to the boiler or system Failure to follow the directions in this manual and component literature co...

Страница 72: ...eck the cold fill pressure for the system Verify it is correct must be a minimum of 0 8 bar 3 Watch the system pressure as the boiler heats up during testing to ensure pressure does not rise too high...

Страница 73: ...28RS RSX 28LS LSX 36RS RSX 36LS LSX Ignition Dim A 32 mm 37 mm 42 mm B 18 mm 20 mm 26 mm C 3 0 5 mm 3 0 5 mm 3 0 5 mm Replacing the Flexible Oil Hose and Oil Nozzle CAUTION Using a worn out flexible...

Страница 74: ...il S Pattern Oil Nozzle Oil Nozzle 0 45G 80 S 0 55G 80 S 0 65G 80 S Oil Pressure Low 9 5 bar 9 5 bar 9 5 bar High 13 5 bar 14 bar 14 bar Checking the Ignition Ground Wiring 1 Check that the ground wir...

Страница 75: ...formation Manual with the owner 2 Emphasize the need to perform the maintenance schedule 3 Remind the owner of the need to call a licensed contractor should the boiler or system exhibit any unusual be...

Страница 76: ...ONZ3 CONN1 ORZ RQWURO 9DOYH 0 RQWURO 9DOYH ORZ 6HQVRU 6ZLWFK 62 9DOYH 62 9DOYH 6 Br B B P Br Br P B AC 230V INPUT Wiring Center CH_ON DHW_ON DHW_OFF 6ZLWFKHG LYH D 9DOYH 2WAY_L 2WAY_N D 9DOYH B Bk R 3...

Страница 77: ...021890A Regular Controller 30021891A Combi Combi System Regular Panel Panel 2 30021314A 30024506A 3 Front Case 20043423A Internal System Regular Front Case 20046860A Internal Combi Front Case 20044629...

Страница 78: ...78 Appendices 13 2 2 Burner Cover Flame Tube...

Страница 79: ...0 Back Draft Damper 30008825A 11 Fan Assembly 30021329A 21 28 Fan Assembly 30021328A 36 12 Intake Pipe Assembly 30021807A 21 Intake Pipe Assembly 30021809A 28 Intake Pipe Assembly 30021827A 36 13 Comb...

Страница 80: ...80 Appendices Oil Pump Coupling Orifice Swirl Plate Oil Pump Motor Oil Pump Intake Pipe Flame Holder Assembly...

Страница 81: ...451A 36 2 Oil Nozzle Kerosene 20043603A 21 Oil Nozzle Kerosene 20043604A 28 Oil Nozzle Kerosene 20043605A 36 Oil Nozzle Light Oil 20047433A 21 Oil Nozzle Light Oil 20047434A 28 Oil Nozzle Light Oil 20...

Страница 82: ...82 Appendices 13 2 3 Heat ExchangerTurbulence and Exhaust Duct Cover Burner Assembly Silencer 3 2 1 5 4 12 6 7 8 9 10 11 13...

Страница 83: ...20043515A 5 High Limit Stat for Heat Exchanger 30002557A 6 Packing for Exhaust 20029713A 7 Air Supply Packing 20043645A 8 Exhaust Duct 30021130A System Regular 30023172A Combi 9 Temperature Sensor 30...

Страница 84: ...14 16 17 4 6 3 17 8 Screw Clip Condensate Trap Cover Ball Guide Packing Case Packing Clip Ball Ball Packing Ball Guide Condensate Trap Case Drain Cork Drain Hose for Pressure Relief Valve Drain Hose...

Страница 85: ...mp Outlet Adapter 30022970A System Combi 7 Pressure Gauge 30020258A 8 Air Vent 30023517A 9 Central Heating Supply Water Adapter 20043463A System Regular 20047273A Combi 10 Temperature Sensor 30012907A...

Страница 86: ...86 Appendices 13 2 5 DHW Parts 20 11 10 13 14 12 19 23 22 27 21 26 25 28 24 16 17 18 6 7 8 9 15 4 5 2 3 1...

Страница 87: ...Return_Pump 30023287A 12 Pipe_Heat Exchanger Inlet 30023513A 13 Clip_STS430 19 2 1t 20007733B 14 Clip_STS430 22 3 1t 20033662A 15 Adaptor_Heating Return_tank 20046875A 16 Packing_Fix Pump 20047567A 1...

Страница 88: ...88 Appendices 13 2 6 DHW Block and Heating Supply Assembly 2 3 4 5 1 19 18 12 15 14 17 16 21 20 22 23 24 22 23 25 9 8 7 6 13 11 10...

Страница 89: ...tor_DHW_In Outlet 20047162A 9 Temperature Sensor 30015178A 10 O ring_P26 20032409A 11 Clip_ 36 20017724A 12 Heating Water Return 20046493A 13 3 Way Valve XXXXXXXXA 14 Clip_Wire_3 Way Valve 20029414A 1...

Страница 90: ...Outlet 20047162A 4 O ring_P26 20032409A 5 Clip_ 36 20017724A 6 O ring_P16 20017210A 7 Clip_D_ 25 20007859A 8 Manifold_Cold Water Inlet 20044471A 9 O ring_P18 20006947A 10 Adapter_Connect 20044469A 11...

Страница 91: ...Appendices 91 13 2 8 APS Hose Connection Locations Connect the L Pressure Connect the H Pressure H Pressure L Pressure 1 Description Part Remark 1 Air Pressure Sensor 30022962A...

Страница 92: ...Memo...

Страница 93: ...Memo...

Страница 94: ...Memo...

Страница 95: ......

Страница 96: ...co uk For warranty service always contact an official Technical Assistance Service TAS first Contact the technician or professional who installed your boiler When contacting an official Technical Assi...

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