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Conten

Homeowner

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Safety instructions

Product Fiche

Operation & Display Panel (OBC100)

Room Thermostat

(LCR-2WE) - Combi Only

Vacation/Standby Mode - Combi only

Heating Mode - Combi only

Hot water Mode - Combi only

Fault Codes

Installer

Design Standards
Safety
Flue Regu

ations

Before Using The Boiler

How

To Use

Safety Devices
Everyday Checks
Servicing The Boiler
Plumbing Schematic
Commissioning The Boiler
Component Overview

Electric Wiring Diagram
Wiring - Installation Variations
OTC Mode

Troubleshooting

Fault

ode

Product Information

Spare Parts

Specifications

Warranty

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Содержание NHC 25B/30B/41B

Страница 1: ...Constant development efforts may result in minor deviations in illustrations functional steps and technical data without prior notice Pictures and drawings in the instructions can be different from t...

Страница 2: ......

Страница 3: ...Heating Mode Combi only Hot water Mode Combi only Fault Codes Installer Design Standards Safety Flue Regulations Before Using The Boiler How To Use Safety Devices Everyday Checks Servicing The Boiler...

Страница 4: ...to health The small quantities of adhesives and sealants used in the product are cured They present no known hazards when used in the manner for which they are intended This is a safety alert symbol I...

Страница 5: ...24 0 27 9 36 8 Space heating annual energy consumption kWh 76 89 116 Waterheating annualelectricityconsumption Combionly kWh 94 93 105 Water heating annual fuel consumption Combi only GJ 22 23 30 91...

Страница 6: ...e of K Factor and occurrence of trouble displayed the failure code See page 11 for Error Code Table LCR 2WEProgrammer Combionly The LCR 2WE remote control panel will activate by pushing the power on o...

Страница 7: ...erature Operation Indicator Indicating each function and status LCD Display Room Thermostat Power ON OFF Power Heating Mode Heating AdjustingTemp Up Down Standby Setting Mode Standby Mode Hot Water Mo...

Страница 8: ...set the Standby Mode to save heating energy by pressing To cancel vacation standby mode press the button to return to the heating mode will be displayed and Standby Mode will be set Press button 8 Va...

Страница 9: ...ler temp can be set by 1 C After the required temperature has been selected is on and current boiler water temp is displayed Set the heating temp with button Pressthe button The LCR 2WE room thermosta...

Страница 10: ...e this function only when hot water is needed 1 Please be careful that infants and young children do not use hot water without a guardian present 2 While others are using hot water do not change the h...

Страница 11: ...the boiler switch the power button on off on If problem persists contact your local installer 02 03 04 05 06 12 16 Low water level Temp sensor wire disconnected Short circuit of Temp sensor High limit...

Страница 12: ...ft burners Fuel Spillage 1 Switch off all electrical and other ignition sources 2 Remove all contaminated clothing to safeguard against fire risk and skin damage Wash affected skin thoroughly with soa...

Страница 13: ...e damage to health on prolonged or repeated skin contact Always store fuels in a properly constructed and labelled tank Always handle fuel in open air or well ventilated space away from sources of ign...

Страница 14: ...ations A B C Northern Ireland 600 600 600 Republic of Ireland 600 600 600 Where the terminal is within 1 metre of any plastic material such material should be protected from the effects of combustion...

Страница 15: ...ngside the terminal 300 Not allowed G Above ground or balcony level 300 Not allowed H From a surface or boundary facing the terminal 600 Not allowed J From a terminal facing a terminal 1200 Not allowe...

Страница 16: ...an 2 metres above the ground balcony flat roof or other place to which any person has access the terminal must be protected by a guard Notwithstanding the dimensions given in the drawing and table a t...

Страница 17: ...install open flue appliances in domestic garages therefore only room sealed balance flue appliances should be installed in a garage location Definitions Combustion Air Air required directly by boiler...

Страница 18: ...orage location in accordance with local regulations See page 14 Flue Regulations Take care to avoid the ingress of water and or dirt during re filling as this can lead to f lame failure or affect the...

Страница 19: ...on is taking place Do not plug out the power supply as this will de activate the frost protection The domestic hot water supply is not recommended for potable use Combi only 19 Notes when using Take c...

Страница 20: ...using the screw must be in the tightened position oil pump vent screw For this the oil filter Open the oil pump vent screw and switch on the power to the boiler After 6 7 seconds the pump has purged...

Страница 21: ...ter 3 successive attempts contact the Saturn technical helpline on 1890 929 112 Preparation and checking before start up The boiler must always be correctly grounded according to relevant local regula...

Страница 22: ...he temperature of the boiler rises to dangerously high levels the overheat sensor will deactivate the boiler In this instance the CHECK light will show To reset press the RESET button on the overheat...

Страница 23: ...the fuel storage supply system and check for water leaks within and around the boiler Inspect the inside of the oil tank for water or debris Keep the area around the boiler clean and free from obstru...

Страница 24: ...filter and the inside of the coil cup using clean kerosene The oil tank should be checked during the annual service and cleaned of all water and debris as required Cleaning the oil filter Cleaning th...

Страница 25: ...move the flame detector photocell which is located at the top of the burner Wipe the glass surface of the flame detector photocell using a clean rag and replace During the annual service the flue syst...

Страница 26: ...asy access for installation maintenance and operation When choosing an installation site take care to conform to all local regulations and standards Allow as much free space around the boiler as possi...

Страница 27: ...s install the boiler and the connected system according to local regulations Sealed System Precautions Safety Valve Air Exhaust Valve Filter Reducing Valve Check Valve Circulation Pump Distributor Con...

Страница 28: ...can result in a build up of carbon monoxide which could result in poisoning Saturn recommends the installation of a suitable carbon monoxide detector on all installations CAUTION VENTILATINGOPENING 10...

Страница 29: ...lization system which is located at the bottom of boiler and then connect the end of the hose to a soak pit 3 Please make sure that the neutralizer in the boiler is filled with water 4 The condensate...

Страница 30: ...park at the electrodes Troubleshooting if sequence missed Photocell disconnected dirty reconnect clean 4 The oil pump will engage to pump oil to the burner Troubleshooting if sequence missed Not fully...

Страница 31: ...of the boiler ModelNo NHC 25B 30B 41B Neutralizer assembly Burner Assembly Return water pipe for space heating Electronic pump Oil filter Overheat preventer Low water level sensor Temperature sensor C...

Страница 32: ...omponent Overview 32 The structure of burner ModelNo NHC 25B 30B 41B Damper Fan 3 Fan 2 Fan 1 Fan Causing Fan Motor Ignition Electrode Blow tube flame holder Air holder Nozzle Inner tube Flame detecto...

Страница 33: ...rner Air Flow Oil Fluid Air Flow Oil inlet 1 Fan motor working 2 Ignition transformer is working 3 Electronic pump is working oil pressure increase 4 Sensing combustion and flame 5 Continuous combusti...

Страница 34: ...the heat exchanger ModelNo NHC 25B 30B 41B Baffle plates H E for DHW Combustion chamber Straight pipes NHC 25H 30H 41H does not come with an in built DHW heat exchanger NHC 25EH 30EH 41EH does not co...

Страница 35: ...sfer Fluid Figure of Heat transfer method Parallel Flow Counter Flow Counter Flow Condensate outlet Chamber Temp about 800 C Fluid Flow 200 C under 75 C under Counter Flow 2 times Parallel Flow 1 time...

Страница 36: ...IT STAT Black Black Skyblue Brown Brown Black Blue Brown OIL PREHEATER CABLE CIRCULATION PUMP Blue Brown HEATING WATER TEMP SENSOR VOLT FREE HEAT REQUEST D D C C OIL PUMP Blue Brown Power cord Green Y...

Страница 37: ...iations Note Boiler temperature display will only be shown when there is a heat request through the switch live as permanent supply has not been provided 3 Core Wiring Diagram Warning without permanen...

Страница 38: ...Variations Note Due to the above setup using a 230v switch live for a heat request from the boiler an NO stepdown relay or a motorised valve is needed to connect into the low voltage heat request oran...

Страница 39: ...ing Installation Variations Note Simply join single auxiliaries from multiple MV s and bring to the boiler in 2 core fashion If any MV opens the volt free auxiliary will call for a heat request 5 Core...

Страница 40: ...n Variations Note Simply connect the volt free orange heat call to the back of the combi controller and now the red cables coming from the controller by extension become your low voltage heat call 5 C...

Страница 41: ...le Red Heating Blue Fault signal NA Yellow Combustion signal NA Unused wire should be insulated and short circuited 2 The pin rail on the back of the thermostat must connect to 2 orange cables from th...

Страница 42: ...kist 1 With this function the target primarytemperature is automatically set accordingtothe outdoor temperature K Factor 2 When the outdoor temperature sensor is connected OTC lamp is turned on 3 Theo...

Страница 43: ...There is air in the oil line The oil tank is empty 1 Open the valve 2 Supply oil 3 4 Clean the boiler 1 2 3 1 2 1 2 3 No heat request 1 2 This is not a problem When the temperature of the boiler goes...

Страница 44: ...D shows one of the following numeric error codes with letter E Error Code Cause 02 03 04 05 06 12 16 Low water level Temp sensor wire disconnected Short circuit of Temp sensor High limit thermostat Fl...

Страница 45: ...0 012 Other items Standby heat loss Pstby kW 0 111 0 111 0 140 Ignition burner power consumption Pign kW 0 0 0 Annual energy consumption QHE kWh 76 89 116 Sound power level indoors LWA dB 68 66 69 Fo...

Страница 46: ...46 Spare Parts List Burner...

Страница 47: ...1B 9 30012754A PCB Ass y ALL MODEL 10 30002845A Preheater Assembly ALL MODEL 11 30003527B Internal Flue ALL MODEL 30010383B Electric Pump Assembly NHC 25B 30010388B Electric Pump Assembly NHC 30B 3001...

Страница 48: ...lame detector ALL MODEL 30005541A Motor NHC 25 30B 30005542A Motor NHC 41B 30004721C Flame Holder NHC 25B 30004727C Flame Holder NHC 30B 30004728C Flame Holder NHC 41B 5 30004361D Ignition Transformer...

Страница 49: ...NCY 97 6 96 8 97 2 ELECTRICITY CONSUMPTION COMBUSTION W 136 145 163 POWER V Hz 220V 50Hz WATER STORAGE CAPACITY 34 0 41 0 48 0 BOILER HOUSE DIMENSIONS W L H 410 665 1 031 444 706 1 051 444 706 1 186 m...

Страница 50: ...magnetic Compatibility Directive 2004 108 EC Navien manufactures its product using a Quality Assurance system in compliance with Standard EN ISO 9001 2000 1506 Warranty period begins from first day of...

Страница 51: ......

Страница 52: ...n Heating Distributed exclusively by Saturn Heating Ltd Shercock rd Carrickmacross Co Monaghan A81 HK09 Ireland Technical Helpline IRE 1890 929 112 Sales IRE 353 0 42 9692032 E mail info saturnheating...

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