Potterton Paramount two, Installation, Operation & Maintenance Manual

Page 1: ...Working towards a cleaner future Paramount two Wall hung condensing boiler 30 115kW Installation operation maintenance manual Aprill 2011 heating specialists ...

Page 2: ...4 Wiring diagram 14 3 5 Sensor value tables 15 4 Before installation 16 4 1 Combustion air supply 16 4 2 Corrosion protection 17 4 3 System water quality 17 4 4 Use of additives e g hardness stabilsisers frost protective agents sealing agents 17 4 5 Notes for installation location 18 4 6 Clearances 18 4 7 Application example 19 5 Installation 21 5 1 Connecting to the heating system 21 5 2 Condensa...

Page 3: ...edure 36 8 2 Modification of parameters 37 8 3 Setting table 38 8 4 Explanations for setting table 46 9 General 61 9 1 Room unit RGT 61 10 Servicing 62 10 1Maintenance work 62 10 2Replace air vent 62 10 3Condensate siphon 62 10 4Removing gas burner 63 10 5Protection against electrical shock 66 10 6Boiler view PARAMOUNT two 67 10 7Dismantling the heat exchanger 70 10 8Check electrodes 70 10 9Contro...

Page 4: ...tiple boilers and multiple zones by installing extension modules clip ins Keep all documents at the installation location of the boiler 1 2 Used symbols 1 3 For whom is this manual intended This installation manual is intended for the heating specialist Danger Danger exists for body and life in case it is not observed Danger of electric shock In case it is not observed danger from electricity exis...

Page 5: ...aller For use with natural gas G20 nominal supply pressure 20 mbar LPG opti on available 2 2 Use The POTTERTON PARAMOUNT two wall hung condensing boiler is available in six sizes with outputs from 30 kW to 115 kW They are CE marked for use on Natural Gas LPG on open vented systems min 1 bar and are suitable for use on sealed systems with a maximum operating pressure of 3 bar 30 40 kW 4 bar 60 115 ...

Page 6: ...people 2 4 Regulations and standards The installation should comply with relevant British Standard Spe cifications Codes of Practice and current Building Regulations to gether with any special regional requirements of the Local Authorities Gas undertaking and Insurance I E E Regulations for the Electrical Equipment of Buildings The installation of the boiler must be in accordance with the relevant...

Page 7: ...Manufacturer s notes must not be taken in any way as over riding statutory obligations 2 5 C E Approvals The CE approval symbol means that the boilerfulfils the basic re quirements of the Gas Equipment Directive 90 396 EEC the Low Voltage Directive 73 23 EEC as well as Directive 89 336 EEC Electromagnetic Compatibility EMC of the Council for Unification of Legal Regulations of the members Countrie...

Page 8: ...Safety 8 POTTERTONCOMMERCIAL 120 393 632 4 04 08 Fh 2 6 Conformity declaration Paramount two 30 115 ...

Page 9: ...Technical Data 120 393 632 4 04 08 Fh PARAMOUNT two 30 115 kW 9 3 Technical Data 3 1 Dimensions and connections PARAMOUNT two 30 40 Fig 1 Dimensions and connections PARAMOUNT two 30 40 ...

Page 10: ...ions and connections PARAMOUNT two 30 40 Model 30 40 HV Heating flow G 1 HR Heating return G 1 Gas Gas connection G 3 4 SiV Safety valve G 3 4 KA Condensate water connection Ø 25 mm Dimension A mm 116 Dimension E mm 177 Dimension F mm 185 Dimension G mm 192 Dimension H mm 407 ...

Page 11: ...Technical Data 120 393 632 4 04 08 Fh PARAMOUNT two 30 115 kW 11 3 2 Dimensions and connections PARAMOUNT two 60 115 Fig 2 Dimensions and connections PARAMOUNT two 60 115 160 110 aGR030B B C 851 883 975 ...

Page 12: ...MOUNT two 60 115 Model Paramount 60 D Paramount 80 D Paramount 90 C Paramount 110 C HV Heating flow G 1 1 2 HR Heating return G 1 1 2 Gas Gas connection G 1 SiV Safety valve G 3 4 KA Condensated water connection Ø 25 mm Dimension A mm 446 5 541 5 585 Dimension B mm 167 5 163 Dimension C mm 131 5 151 5 ...

Page 13: ...t Pressure NG mbar 20 Gas Inlet Pressure LPG mbar Min 35 Max 45 CO2 for Natural Gas 8 3 8 8 CO2 for LPG 9 5 10 0 Ventilation to BS5440 cm2 105 190 290 N A N A N A High Level Ventilation to BS6644 cm N A N A N A 154 190 230 Low Level Ventilation to BS6644 cm N A N A N A 308 380 460 hydraulic resistance 11 C ΔT Kpa 29 37 25 4 27 39 48 hydraulic resistance 20 C ΔT Kpa 10 14 8 9 13 18 flow rate 11 C Δ...

Page 14: ...Technical Data 14 POTTERTONCOMMERCIAL 120 393 632 4 04 08 Fh 3 4 Wiring diagram ...

Page 15: ...sistance Ω 20 8194 15 6256 10 4825 5 3758 0 2954 5 2342 10 1872 15 1508 20 1224 25 1000 30 823 Table 5 Resistance values for flow sensor DHW sensor return sensor sensor B4 Temperature C Resistance Ω 0 32555 5 25339 10 19873 15 15699 20 12488 25 10000 30 8059 35 6535 40 5330 45 4372 50 3605 55 2989 60 2490 65 2084 70 1753 75 1481 80 1256 85 1070 90 915 95 786 100 677 ...

Page 16: ...115 Vent Position cm Low Level High Level Low Level High Level Low Level High Level Low Level High Level Low Level High Level Low Level High Level In a room direct to outside cm 105 Single 190 Single 290 Single 308 154 380 190 460 230 In a compartment direct to outside cm 252 126 380 190 580 290 770 385 950 475 1150 575 In a compartment via a room cm 504 252 760 380 1160 580 Table 7 Ventilation fo...

Page 17: ...lack copper oxide Cu2O and CuO and grey green copper carbonate CuCo2 will be produced Copper will corrode any iron and aluminium within the system A special water treat ment company should be consulted if in doubt 4 4 Use of additives e g hardness stabilsisers frost protective agents sealing agents If in a special case a need exists to use additives in a mixture e g hardness stabilser frost protec...

Page 18: ...asures should be taken regarding installation Installation room The installation room must be dry the room temperature must be between 0 and 40 C The installation location has to be selected especially with re spect to ducting of the flue When installing the boiler the speci fied clearances have to be maintained Sufficient space should exist in the front to carry out inspection and maintenance wor...

Page 19: ...Before installation 120 393 632 4 04 08 Fh PARAMOUNT two 30 115 kW 19 4 7 Application example Application example A pumped heat circuit with room control and DHW circuit Hydraulic plan ...

Page 20: ...Before installation 20 POTTERTONCOMMERCIAL 120 393 632 4 04 08 Fh Connection plan ...

Page 21: ...ter system is only allowed if the sytem is made from corro sion resistant materials e g PP pipe stoneware or similar The condensate must run freely into a tundish A syphon trap must be installed between tundish and waste water system The con densate hose of the PARAMOUNT two must be passed through the opening in the bottom If no draining possibility exists underneath the condensate outlet the use ...

Page 22: ... tric Vertical 80 125 15 3 2 110 180 24 3 2 110 180 15 3 2 110 180 18 3 2 110 180 20 3 2 C33 3 Concen tric Vertical 80 125 7 3 2 110 180 13 2 2 110 180 9 3 2 110 180 110 180 B23 Conventio nal Flue 2 80 20 3 3 110 25 3 3 110 16 3 3 110 20 3 2 110 20 3 2 This is the maximum flue length the allowable horizontal run within total flue length is shown in brackets For lengths longer than specified in the...

Page 23: ...ensate sump in the PARAMOUNT two The minimum slope is as follows Horizontal flue pipe min 3 Height above Roof Refer to relevant British Standards and Code of Practice 5 6 Flue terminal positioning Minimum clearances for concentric room sealed flue terminals for conventional flue systems please refer to the relevant BS The ter minal shall be positioned so it will not cause a hazard to health of per...

Page 24: ...mbar For LPG nominal 37 mbar The connecting pressure is measured as pressure in the gas flow at the measuring nozzle of the gas valve fig 5 and fig 6 E Below eaves 200 500 F Below Balcony or car port roof 200 500 G From a vertical drain pipe or soil pipe 150 150 H From an internal or an external comer or to a boundary alongside the terminal 300 600 I Above ground roof or balcony level 300 1 600 1 ...

Page 25: ...es can lead to unhygienic combustion high CO values and damage to the burner Too low CO2 values can lead to ignition problems The CO2 value has to be set by modifying the gas pressure at the gas valve 5 9 Changing over from LPG to natural gas and vice versa The gas type of the boiler must only be modified by an approved gas installer De energise gas boiler Close gas shut off facility Replace injec...

Page 26: ...ve cap The Torx key is attached PARAMOUNT two 30 40 Fa Siemens VGU Fig 6 Gas valve setting for injector pressure with Allen key SW 2 5 Setting for full load Setting for low load Measuring nozzle for injector pressure Measuring nozzle for connecting pressure PARAMOUNT two 60 Fa Siemens VGU PARAMOUNT two 80 Fa Kromschroeder CG 120 R01 Measuring nozzle for connecting pressure Setting for full load Se...

Page 27: ... minal Value appears in the display The actual modulation de gree will be displayed on the display Press OK button The nominal value can now be changed and must afterwards to be acknowledged with the OK button In this way the displayed nominal value is taken over by the con trol The regulator stop function is stopped by pressing the operating mode button Heating Operation for approximately 3 secon...

Page 28: ...able should be used Maximum lengths of wires for all sensors Copper wires up to 20 m 0 6 mm Copper wires up to 80 m 1 mm Copper wires up to 120 m 1 5 mm Strain reliefs All electrical cables must be fed through the holes in the boiler bottom with the enclosed cable feed throughs and fixed Further more the cables have to be fixed in the strain reliefs in the control panel and connected according to ...

Page 29: ... outside temperature sensor is enclosed in the enclosed pa ckage For connection see wiring diagram Replacing cables All connecting cables except for the mains connection cable have to be replaced by POTTERON Commercial special cables in case of replacement When replacing the mains connection cable only ca bles of the types H05VV F can be used complying with BS 6500 Contact protection and internati...

Page 30: ...of the boiler 4 Select the operation mode automatic operation with the ope ration mode button on the control unit 5 Set the required room temperature on the rotating knob of the control unit 6 2 Temperatures for heating and DHW The information in the section programming for setting the tem peratures for heating and DHW For DHW processing a setting onto 55 C is recommended You can adjust hours minu...

Page 31: ...ee also section Explanations for setting table 6 6 Instruction for the customer Instruction The customer should be instructed in the operation of the boiler and the function of the safety devices The following should be pointed out The air inlet must not be restricted Flammable materials and liquids must not be stored in the vici nity of the boiler The customer has to carry out the following contr...

Page 32: ...nts Fig 9 Operating elements Lock out reset button Pressure gauge Operating switch Operating mode button heating operation Operation mode button DHW operation Display OK button Acknowledgment Information button Chimney sweep ESC button Stop Rotating knob Operating unit Boiler temperature ...

Page 33: ...eration Switching over between the operating modes for heating opration is carried out with the operating mode button heating operation The selected setting is marked by a bar underneath the operating mode symbol Automatic operation Heating operation according to time programme Nominal temperature values or according to time pro gramme Protection functions plant frost protection overheating pro te...

Page 34: ... with the rotating knob higher or lower Reduced nominal value The reduced nominal value is set as follows Push acknowledgement button OK Select heating circuit Select parameter Reduced nominal value Set reduced nominal value with the rotating knob Push acknowledgment button OK again Return to basic display from programming or information level by operating the operation mode button heating circuit...

Page 35: ...ion The chimney sweep function is activated or deactivated by the chimney sweep button The activated special function is dis played by the symbol n the display Restore standard values The standard values will be restored as described below Select level engineer and prog nr 31 Change to Yes and wait until value is switching back to No Leave menu by pressing ESC You can find more information for adj...

Page 36: ...and is protected by a password Basic display Press for approximately 3 s until the display End User appears Menu points Time and date Operator section Time prog heating circuit 1 Time prog heating circuit 2 Time program 3 HCP Time program 4 DHW Holidays heating circuit 1 Holidays heating circuit 2 Heating circuit 1 Heating circuit 2 Domestic hot water Boiler Solar Buffer storage tank DHW storage t...

Page 37: ... the following by the setting of time and date Basic display Press Select the menu point time and date with Acknowledge selection with Select the menu point hours minutes with Acknowledge selection with Carry out hour setting e g 15 hours with Acknowledge setting with Carry out minute setting e g 30 minutes with Boiler temperature Operating unit Time and date Time and date Hours minutes Time and d...

Page 38: ...splay In order to get to the setting levels Enduser E Commissioning I and Engineer F press button OK After this press for ap proximately 3 s the Information button select the required le vel with the rotating knob and acknowledge with the OK button Acknowledge setting with Press heating circuit operation mode but ton to return to the basic display Time and date Hours minutes Boiler temperature Tab...

Page 39: ...ther with HK1 independent 46 I Together with HK1 Effect of presence button None Heating circuit 1 Heating circuit 2 together This parameter is only visible in the room device 48 I none Readjustment room sensor This parameter is only visible in the room device 54 F 0 0 C Time programme heating circuit 1 Pre selection Mo Su Mo Su Mo Fri Sa Su Mo Tue Wed Thu Fri Sa Su 500 E Mo Su 1st phase ON 501 E 0...

Page 40: ...o Su Mo Su Mo Fri Sa Su Mo Tue Wed Thu Fri Sa Su 560 E Mo Su 1st phase ON 561 E 05 00 h min 1st phase OFF 562 E 22 00 h min 2nd phase ON 563 E h min 2nd phase OFF 564 E h min 3rd phase ON 565 E h min 3rd phase OFF 566 E h min Standard values No Yes 576 E No Holidays heating circuit 1 Start 642 E day month Finish 643 E day month Operation level Frost protection Reduced 648 E Frost Protection Holida...

Page 41: ...eating circuit 2 Parameter only visible if heating circuit 2 exists Comfort nominal value 1010 E 20 0 C Reduced nominal value 1012 E 18 0 C Frost protection nominal value 1014 E 10 0 C Nominal line gradient 1020 E 1 50 Summer winter heating limit 1030 E 20 C Room influence 1050 I Boost heating 1070 F C Quick setback Off Down to reduced setpoint Down to frost prot setpoint 1080 F Down to reduced se...

Page 42: ...Alarm output operation message External transformer Heating circuit pump HK2 Circulation pump Gate veil function Pump hydraulic bypass Feed pump Q8 Basic func tion K2 TWW charging Threshold analoguous sig nal RelCl Exhaust gas flap Collector pump Fan switch off Pump Q1 DHW mixing pump Q35 5920 I Fan switch off Feed pump Relay output 1 RelCl Default Message output Alarm output Operation message Ext...

Page 43: ...age External transformer Heating circuit pump HK2 Circulation pump Gate veil function Pump hydraulic bypass Feed pump Q8 Basic func tion K2 TWW charging Threshold analoguous sig nal RelCl Exhaust gas flap Collector pump Fan switch off Pump Q1 DHW mixing pump Q35 5928 I Default Function input H1 No Modem function Modem function inversely Gate veil function Feed back Exhaust gas flap gene rator lock...

Page 44: ...310 I Boiler return temperature 8314 I Operation display FA 8328 I Ionization current 8329 I Operating hours burner 8336 I Start counter burner 8337 I Operating hours heating operation 8338 I Operating hours TWW 8339 I Operating hours zones 8340 I Collector temperature 1 8510 I Operating hours solar gains 8530 E Diagnosis consumer Outside temperature 8700 I Outside temperature decreased 8703 I Out...

Page 45: ...es The display of the information values depends on the operation status Fault message E SW Diagnosis code E Message E State manual control E Controller stop nominal value E Screed nominal value actual E Screed day actual E Room temperature E Room temperature minimum E Room temperature maximum E Boiler temperature E Drinking water temperature 1 E Collector temperature 1 E Status boiler E Status so...

Page 46: ...m unit will be overwritten With this the individual programming of the control in the room unit can be ensured Activate basic settings 31 The data of the operating unit or room unit will be written into the control Caution The data of the control will be overwritten The factory settings are stored in the operating unit Activation of the prog no 31 at the operating unit The control will be reset to...

Page 47: ...e programs are only activated in the operation mode Au tomatic Default values 516 536 556 576 Setting of the default values given in the setting table Holiday programs The heating circuits may be set to a selectable operation level with the holiday programme during a certain holiday period Start 642 652 Entering the holiday start End 643 653 Input of holiday end Operation level 648 658 Selection o...

Page 48: ...or the room influ ence mut be between 1 and 99 Should there be radiator valves in the leading room assembly location of the room sensor these have to be fully opened Setting for weather compensation with room influence 1 99 Setting for pure weather compensation Setting for pure room compensation 100 Boost heating 770 1070 In case of a change from reduced to comfort setpoint heating is carried out ...

Page 49: ...tion of the quick setback for setback by 2 C in hrs Outside temperature mixed Time constant building Configuration prog no 6110 0 hrs 2 hrs 5 hrs 10 hrs 15 hrs 20 hrs 50 hrs 15 C 0 3 1 7 7 15 3 23 10 C 0 1 3 3 3 6 7 10 13 4 5 C 0 0 9 2 1 4 3 6 4 8 6 21 5 0 C 0 0 6 1 6 3 2 4 7 6 3 15 8 5 C 0 0 5 1 3 2 5 3 8 5 0 12 5 10 C 0 0 4 1 0 2 1 3 1 4 1 10 3 15 C 0 0 4 0 9 1 8 2 6 3 5 8 8 20 C 0 0 3 0 8 1 5 2...

Page 50: ...o para meters have to be modified Speed design point prog no 884 maximum adjustable pump speed NqmodNenn Pump PWM min prog no 885 maximum permissible pump speed NqmodMin Speed design point 884 It is recommended to adjust this value for heat saving of the hea ting system hydraulic balance It corresponds to the speed step of the pump in the design point to reach the nominal volume flow The function ...

Page 51: ... by modifying prog no 884 NqmodNenn Function control Radiators do not get warm If this problem exists over the whole outside temperature range the speed step in the design point is possibly too low i e prog no 884 NqmodNenn must be increased accordingly If this problem appears at higher outside temperatures the speed for heating operation has been set too low i e prog no 885 Nq modmin must be incr...

Page 52: ...be activated on a certain weekday prog no 1642 Legionella function periodically 1641 Setting the interval for the legionella function periodically re commended setting in case of additional DHW heating by solar sys tem Legionella function weekday 1642 Selection of the weekday for the legionella function fixed weekday factory setting Legionella function time 1644 Setting the start time for the legi...

Page 53: ...rage tank Flow setpoint boost 5020 The boiler temperature setpoint for charging the DHW storage tank consists of the DHW temperature setpoint and the flow setpoint boost Configuration Hydraulic diagram 5701 Setting of the code for the hydraulic system The data of the codes are included in the respective instructions of the accessories Heating circuit 1 2 5710 ad 5715 With this parameter the heatin...

Page 54: ... from heating circuit 1 pumped heating circuit System pump Q8 This function controls the system pump Basic function K2 Function according to hydraulic diagram Full DHW charging The output is activated by this function during an active charging of the DHW layer storage tank This function can only be activated when using a layer storage tank Threshold analog signal RelCl The output is activated with...

Page 55: ... 5957 Optg mode change HCs DHW Changing over of the operating mode for heating circuit and DHW via telephone remote switch Optg mode changeover HC 1 2 Changing over of the operating mode for heating circuit 1 2 via telephone remote switch Configuration room thermostat 1 2 5970 5971 None Switching the input has no effect Room themostat the switching status of the contact decides if a heat request h...

Page 56: ...r prog no 5976 Due to this the mini mum value of the signal is set at the same time If the signal is of the size of the value set in prog no 5976 the boiler is operated at minimum relative capacity at the maximum value of the signal the control is at maximum relative boiler capacity If the signal is below the set value the specified capacity is not activated i e the burner will be switched off Pum...

Page 57: ... thick walls or outer insulation 20 for buildings of normal building design 10 for buildings of light building design Bit settings Only the listed settings may be changed Record every change All other bit settings must not be changed ConfigRG1 6240 Priority DHW RG1 0 0 and RG1 1 0 Absolute priority RG1 0 0 and RG1 1 1 No priority RG1 0 1 and RG1 1 0 Shifting System Frost Protection RG1 4 0 Frost p...

Page 58: ...e activated Additional request will be ignored State State 8000 to 8007 With this function the state of the selected system can be reques ted The following messages are possible under Heating circuit 1 2 The following messages are possible under DHW Reset messages 1 1 Individual reset of operation hours maintenance message Reset messages 2 1 Individual reset of start up maintenance message Reset m...

Page 59: ...minal temp Charged reduced temp Display Dependend on Normal operation Fault Monitor has tripped Manual control active Manual control active Chim sweep fct full load Chimney sweep funct active Locked e g Input H1 System Frost Protection Display Dependend on Not available Manual control active Manual control active Fault Frost prot collector active Collector too cold Recooling active Recooling via c...

Page 60: ...k temp Charged max charging temp Charged legionella temp Charged nominal temp Charged reduced temp Display Dependend on No heating circuit available Manual control active Manual control active Floor curing function active Floor curing function active Opt start ctrl boost heating Optimum start control Boost heating Comfort heating mode Time switching program operating mode occupancy button Optimum ...

Page 61: ... at comfort no minal value and heating operation at reduced nominal value is pos sible with the presence button irrespective of the set time programs The value switched over to stays active until the next modification by the time program Fig 18 Operating interface of the room device RGT Operating mode button heating operation Operation mode button DHW operation Display Stop button Acknowledgement ...

Page 62: ...to operating position It is recommended to carry out maintenance and cleaning of the PARAMOUNT two annually The burner has to be checked for contamination and possibly to be cleaned and serviced Die Abgassammelschale auf Ablagerungen überprüfen Reinigungs öffnung 10 2 Replace air vent A defective air vent must only be replaced with an original spare part this guarantees an optimum de aering Cautio...

Page 63: ...gas connection pipe at the mixing chamber and the gas valve Remove the gas connection pipe and the gas injector Disconnect the gas connection pipe at the gas valve and remove gas valve Undo the 5 fastening screws at the mixing chamber heat ex changer Remove bracket Pull out the burner together with mixing chamber fan and flue silencer to the front fig 20 Clean burner bar with soft brush The gas bu...

Page 64: ...s connection pipe and the gas injector Disconnect the gas connection pipe at the gas valve and remove gas valve Undo the 5 fastening screws at the mixing chamber heat ex changer Remove bracket Pull out the burner together with mixing chamber fan and ea haust gas muffler to the front see figure 19 siehe Abb 20 Clean burner pipe with soft brush Use new seals when installing Fig 20 Dismantle of the g...

Page 65: ...connection pipe at the gas valve and remove gas valve Undo the 5 fastening screws at the mixing chamber heat ex changer Remove bracket Disconnect flue silencer from the bracket Pull out the burner together with mixing chamber fan and ea haust gas muffler to the front see figure 19 siehe Abb 21 Clean burner pipe with soft brush Use new seals when installing Fig 21 Dismantle of the gas burner PARAMO...

Page 66: ...lve and remove gas valve Undo the 5 fastening screws at the mixing chamber heat ex changer Remove bracket Pull out the burner together with mixing chamber fan and ea haust gas muffler to the front siehe Abb 22 Clean burner pipe with soft brush Use new seals when installing 10 5 Protection against electrical shock Danger of electric shock To ensure shock proof protection all parts of the boiler to ...

Page 67: ...ig 23 Boiler views PARAMOUNT two 30 40 depicted without front case and control cover Flow sensor Flue adapter Ionisation electrode Fan Air silencer Ignition electrode Sight glass Gas injector Pressure controller Mixing chamber Air vent Flue pipe Gas valve Syphon inspection openings Control LMU ...

Page 68: ...ure controller Control LMU Mixing chamber Air vent Siphon Ignition transformer under the lid Air silencer Gas injector Fan Flue adapter with inspection openings Ignition and ionisation electrode Gas valve Pressure controller Control LMU Mixing chamber Air vent Siphon Ignition transformer under the lid Air silencer Gas injector Fan Sight glass PARAMOUNT two 60 Pump replacement pipe Pump replacement...

Page 69: ...wall and control cover Sight glass Flue adapter with inspec tion openings Ignition and ioni sation electrode Gas valve Pressure controller Control LMU Mixing chamber Air vent Siphon Ignition transformer under the lid Air silencer Gas injector Fan Pump replacement pipe cleaning cover PARAMOUNT two 95 115 ...

Page 70: ... lift heat ex changer from the rear casing and take out For cleaning the heat exchanger rinse with soft water jet wit hout additives At the end of the maintenance work After finishing the cleaning work re install heat exchanger and burner Check the nominal heat load and flue gas values 10 8 Check electrodes Ignition electrodes To avoid an influence of the ionisation current by the ignition The ign...

Page 71: ... text see fault code table Reset After a reset voltage OFF ON the control and regulating centre LMU starts into home run 10 10 Fault switch off Safety switch off in case of flame failure during the operation After every safety stop a new ingition attempt according to pro gramme is carried out If this does not lead to a flame forming shut off is carried out In case of fault switch off the reset but...

Page 72: ...ion No ignition ionisation electrode has earth connection no gas Despite flame forming the burner changes to fault status after the safety period Ionisation electrode defective or contaminated Io nisation electrode does not immerse into the flame boiler connec ted to wrong terminal live and neutral reversed If the failure symbol appears a fault exists in the plant Further information about the fau...

Page 73: ...nternal fault LMU Internal fault LMU process sensor replace LMU heating spe cialist 92 Hardware error in the electronics Internal fault LMU process sensor replace LMU heating spe cialist 95 Invalid time Correct time 100 Two time masters system fault Check time master 105 Servicing message See maintenance code press information button once for detailled information 110 Overheat STB has triggered ov...

Page 74: ...start prevention re start after fault removal 2 Check parameter according to table Setting Table Heating Specialist and program basic settings or call up internal LMU SW diagnosis code and correct respective parameter fault according to fault information 3 Switching off and interlock can only be unlocked by reset 4 Only fault display no switching off Display Operating Status Description of functio...

Page 75: ...last ope rating fan speed Fan continues to run 21 Subsequent ventilation with pre pur ging fan speed Fan continues to run 22 Shutdown Self test after controlled shut down 99 Fault position The actual fault code is displayed see fault code table Display Operating Status Description of function ...

Page 76: ...E 5 5 to 5 9 TO BE MEASURED IN SECONDARY FLUE 600mm UP FROM THE FLUE SOCKET OR AT THE SAMPLING POINT PROVIDED CONDENSING BOILERS ONLY THESE MEASUREMENTS ARE INTENDED AS SAFETY CHECKS ONLY LEVELS ARE DEPENDENT ON FLUE DRAUGHT AND SITE CONDITIONS AND HENCE CANNOT BE USED FOR COMBUSTION EFFICIENCY DETERMINATION FULLY ELECTRIC BOILERS ONLY THERMO ELECTRIC BOILERS ONLY c CONDENSING BOILERS ONLY CONVENT...

Page 77: ... or diverter valves fitted 7 12 Is shunt pump fitted 7 13 Is pump overrun fitted Flue type and diameter of connection to boiler TYPE DIAMETER mm Where appropriate and for multi boiler installations sketch details of flue system showing length of runs and diameters Conventional Fan Assisted Flue Dilution 7 14 Approximate overall height m Is the fan interlocked with the boiler YES NO 7 15 Are flue d...

Page 78: ... rise 30 E Electrical connection 28 Electrical Supply 28 Explanations for setting table 46 F Fault 73 Fault message 33 34 Table 73 Floor curing function 49 flow and return connections 21 G General 61 Gravity lock 62 H Holiday programs 47 I Ignition electrode 70 Inlet air Inlet air opening 31 Installation 18 Installation room 18 Ionisation electrode 70 L legionella function 52 LPB 57 M Maintenance ...

Page 79: ...ings 46 Room unit RGT 61 S Safety instructions 5 Safety valve 31 Save basic settings 46 Sensor value tables 15 Setting levels 36 Setting nominal room value 34 Setting table 38 Stop drinlking water operation 34 Stop heating operation 33 Strain relief 28 Supply Pressure 24 Symbols in the display 33 T Time and date 46 Time programmes 47 U Used symbols 4 ...

Page 80: ...ision Wood Lane Erdington Birmingham B24 9QP Email potterton commercial baxicommercialdivision com www pottertoncommercial co uk heating specialists Sales 0845 070 1056 Technical 0845 070 1057 Authorised User No 00174 Authorised User No 00284 ...