MHG Heating ProCon E 26 Installation And Operating Manual Download

Page: 11 / 73

MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR

Telephone 08456 448802 Fax 08456 448803 Email

[email protected]

Web www.mhgheating.co.uk

140116

7.1 Internal wiring diagram

Key

Colour

Blue

Brown

br/ws

Brown/White

Yellow

Green

gn/gb

Green/Yellow

Grey

Orange

Pink

Red

Black

Violet

White

ws/rt

White/Red

Summary of Contents for ProCon E 26

Page 1: ...m Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 Installation and Operating Manual for the ProCon E 26 Wall Mounted Condensing Boiler Range ...

Page 2: ...e Unit Option 7 Heating HWS Two Heating Circuits HC2 External 3 Way Valve 18 8 7 Hydraulic and Wiring Guide two boiler Cascade Option 8 Heating HWS Two Heating Circuits HC2 External 3 Way Valve 19 9 0 Fluing Options 20 9 1 Single Unit Balanced Flue Wall Termination 21 9 2 Single Unit Balanced Flue Vertical Termination 21 9 3 Single Unit Balanced Flue with Concentric to Twin DN80 Products of Combus...

Page 3: ...on HSRange of appliances are designed to be applied to systems requiring direct on boiler weather compensated heating and priority hot water production via a separate high recovery calorifier cylinder where the diverter valve controlling the production of hot water is within the boiler case 1 4Supplied Components All ProCon boilers are supplied with the following components QAC 34 Outside Air Sens...

Page 4: ...ting systems of output greater than 45kW Parts 1 2 3 BS 6891 1988 Specification for installation of low pressure gas pipework of up to 28mm R1 in domestic premises 2nd family gases BS 7593 1992 Code of Practice for treatment of water in domestic hot water central heating systems BS 7671 1992 Requirements for electrical installations IEE Wiring Regulations Sixteenth edition CISBE Guide reference se...

Page 5: ... mhgheating co uk 140116 4 0Dimensions 1 Cable Entry Grommets 6 Heating Return All Models 2 Heating Flow All Models 7 Condensate Outlet BSP Plastic 3 Hot Water Primary Flow HS Models Hot Water Outlet S Models 8 Condensate Cleanout Connection Cap 4 Gas Inlet 9 Pressure Relief Valve outlet 5 Hot Water Primary Return HS Models Cold Water Inlet S Models External thread flat sealing ...

Page 6: ...tro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 4 1Installation and Service Clearances A clearance of 600mm is required in front of the appliance for servicing ...

Page 7: ...lp prevent the pump from sticking and other metals from oxidising To maintain the structural integrity of the appliance the internal components should not be used during the lifting and positioning of the unit onto the wall bracket All packaging materials should be disposed of in an environmentally way 5 1Case Removal To remove the case insert a flat blade screwdriver or similar into the black lat...

Page 8: ...50 30 C kW 3 3 26 0 Efficiency 40 30 C 108 2 Gas Types Nat Gas LPG Gas Air Mixing Valve Opening Mm 30 26 1 CO2 Min Load Vol 9 3 10 5 CO2 Max Load Vol 8 7 10 3 Exhaust Temperature at 80 60 C min Load C 68 Exhaust Temperature at 80 60 C max Load C 78 Max Poss Delivery Pressure at Flue Outlet Pa 200 Flue Types B23 B23p B33 C13x C33x C43x C63x C93x Min Gas Supply Pressure Mbar 18 0 30 0 Max Gas Supply...

Page 9: ...grammable Input Green 33 H4 H5 Sensor Ground Black 34 H5 Programmable Input White 35 CL QAA75 78 Room Unit Blue 36 CL QAA75 78 Room Unit Green 37 G QAA75 78 Room Unit Red 20 B9 Outside Air Sensor QAC34 Yellow 21 B9 B3 Sensor Ground Black 22 B3 HWS Sensor Volt Free Enable Red 23 BX3 Programmable Sensor Input Brown White 24 BX2 BX3 Sensor Ground Black 25 BX2 Programmable Senor Input Grey 26 BX21 Sen...

Page 10: ...Output Grey 15 QX23 Live Programmable Output AGU Clip Orange 16 QX23 Neutral Programmable Output AGU Clip Blue 17 QX23 Earth Programmable Output AGU Clip Green Yellow 18 QX22 Live Programmable Output AGU Clip Red 19 QX21 Live Programmable Output AGU Clip Black Max switching capability 0 5 Amps N Permanent Neutral Blue E Permanent Earth Green Yellow L Permanent Live 5Amp Brown 4 Internal Boiler Pum...

Page 11: ...KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 7 1 Internal wiring diagram Key Colour bl Blue br Brown br ws Brown White gb Yellow gn Green gn gb Green Yellow gr Grey or Orange rs Pink rt Red sw Black vi Violet ws White ws rt White Red ...

Page 12: ...k 140116 8 0 Hydraulic Design Single Unit Option 1 New Installations only Electrical Connections Single Unit Option 1 Terminal Description N Permanent Neutral E Permanent Earth L Permanent Live 5Amp 20 B9 Outside Air Sensor QAC34 21 B9 B3 Sensor Ground 33 H5 Ground 34 H5 Room thermostat VF or 0 10V 35 CL QAA75 78 Room Unit if used 36 CL QAA75 78 Room Unit if used 37 G QAA75 78 Room Unit if used ...

Page 13: ...lectrical Connections Single Unit Option 2 Terminal Description Terminal Description N Permanent Neutral 20 B9 Outside Air Sensor QAC34 E Permanent Earth 21 B9 B3 Sensor Ground L Permanent Live 5Amp 33 H5 Ground 12 QX3 QX1 Neutral 34 H5 Room thermostat VF or 0 10V 13 QX3 QX1Earth 35 CL QAA75 78 Room Unit if used 14 QX1 Live Heating Circuit 1 Pump 36 CL QAA75 78 Room Unit if used 37 G QAA75 78 Room...

Page 14: ...e Unit Option 3 Terminal Description Terminal Description N Permanent Neutral 20 B9 Outside Air Sensor QAC34 E Permanent Earth 21 B9 B3 Sensor Ground L Permanent Live 5Amp 22 B3 DHW sensor Volt Free Enable 11 QX3 Live DHW Pump 33 H5 Ground 12 QX3 QX1 Neutral 34 H5 Room thermostat VF or 0 10V 13 QX3 QX1Earth 35 CL QAA75 78 Room Unit if used 14 QX1 Live Heating Circuit 1 Pump 36 CL QAA75 78 Room Uni...

Page 15: ...ent Earth 21 B9 B3 Sensor Ground L Permanent Live 5Amp 26 BX21 Sensor Ground 15 QX23 Live Circuit 1 Heating pump 27 BX21 Flow Sensor Heating Circuit 1 16 QX23 Neutral Circuit 1 Heating pump 33 H5 Ground 17 QX23 Earth Circuit 1 Heating pump 34 H5 Room thermostat VF or 0 10V 18 QX22 Live 3 Way Valve Close 35 CL QAA75 78 Room Unit if used 19 QX21 Live 3 Way Valve Open 36 CL QAA75 78 Room Unit if used...

Page 16: ...ns Single Unit Option 5 Terminal Description Terminal Description N Permanent Neutral 20 B9 Outside Air Sensor QAC34 E Permanent Earth 21 B9 B3 Sensor Ground L Permanent Live 5Amp 33 H5 Ground 12 QX1 Neutral Circuit 1 Heating Pump 34 H5 Room thermostat VF or 0 10V 13 QX1 Earth Circuit 1 Heating Pump 35 CL QAA75 78 Room Unit if used 14 QX1 Live Circuit 1 Heating Pump 36 CL QAA75 78 Room Unit if use...

Page 17: ...ral 20 B9 Outside Air Sensor QAC34 E Permanent Earth 21 B9 B3 Sensor Ground L Permanent Live 5Amp 22 B3 DHW sensor Volt Free Enable 10 QX3 Live 3 Way Valve Close Programmable Output Red 33 H5 Ground 11 QX3 Live HWS Pump or 3 way Valve Open Programmable Output White 34 H5 Room thermostat VF or 0 10V 12 QX3 Black QX1 Neutral Heating Circuit 1 Pump 35 CL QAA75 78 Room Unit if used 13 QX1Earth Heating...

Page 18: ...N Permanent Neutral 20 B9 Outside Air Sensor QAC34 E Permanent Earth 21 B9 B3 Sensor Ground L Permanent Live 5Amp 22 B3 DHW sensor Volt Free Enable 12 QX1 Neutral Heating Circuit 1 Pump 26 BX21 Sensor Ground 13 QX1 Earth Heating Circuit 1 Pump 27 BX21 Flow Sensor Heating Circuit 2 14 QX1 Live Heating Circuit 1 Pump 33 H5 Ground 15 QX23 Live Circuit 2 Heating pump 34 H5 Room thermostat VF or 0 10V ...

Page 19: ...3 QX1 Earth Heating Circuit 1 Pump 28 MB LPB Cascade Communication 14 QX1 Live Heating Circuit 1 Pump 29 DB LPB Cascade Communication 15 QX23 Live Circuit 2 Heating pump 33 H5 Ground 16 QX23 Neutral Circuit 2 Heating pump 34 H5 Room thermostat VF or 0 10V 17 QX23 Earth Circuit 2 Heating pump 32 H4 HC2 Room Thermostat VF or 0 10V 18 QX22 Live HC2 3 Way Valve Close 33 H4 Ground 19 QX21 Live HC2 3 Wa...

Page 20: ...l 5 0 Vertical Terminal 5 0 955mm Flue Extension 4 0 500mm Flue Extension 2 0 255mm Flue Extension 1 5 87º Bend 4 0 45º Bend 2 0 30º Bend 1 5 80mmØ PPS Flue Components Pa Resistances Exhaust Pipe Terminal 2 5 Air Pipe Terminal 4 0 955mm Flue Extension 3 0 500mm Flue Extension 1 5 255mm Flue Extension 1 0 87º Bend 3 0 45º Bend 1 5 30º Bend 1 0 When flues are installed with horizontal sections porti...

Page 21: ...n DN 80 125mm 750mm long 9 2Single ProCon Balanced Flued Vertical Termination DN80 125mm 9 3 Single ProCon Balanced FluedTwinDN80 Flues C W a DN80 125mm 2 x DN80 Boiler Adapter Individual DN80 solid or flexible flues can be utilized with the ProCon range following the application of the DN80 125 2 x DN80 adapters 99 98001 0000 Alternative routes are possible Dual Wall Termination Dual Roof Termina...

Page 22: ...heating co uk Web www mhgheating co uk 140116 9 4 Single ProCon Open Flued Through The Wall Termination DN 80mm 9 5 Single ProCon Open Flued Vertical Termination DN 80mm 9 6 Cascaded Appliance Fluing InstallationOpen Flued To reduce the likelihood of recirculation of flue gases through a non firing unit it is advised to combine the flues in the vertical only ...

Page 23: ...ing Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 9 7Dimensions of Available Flue Components DN80 125mm ...

Page 24: ...500 From Obstacle Level 300 4 5675 x kW 19 723 4 5675 x kW 19 723 3 4256 x kW 360 21 Q From an adjacent wall edge of terminal 300 If 2500 use Plume Ext If 2500 use Plume Ext Not Recommended R To an opening into the building 1000 7 232 x kW 93 708 9 5156 x kW 833 91 1 9031 x kW 1866 8 S From any other flue terminal 300 7 232 x kW 93 708 9 5156 x kW 833 91 1 9031 x kW 1866 8 T Above a 200 Pitched Ro...

Page 25: ...ng Select 6 Navigation and Setting Rotary Select Button 7 Escape Button 8 Reset Button 9 Service Connector for BSB data BUS 10 Hot Water Mode Select Symbol Description Automatic Mode Continuous Operation Day Mode Reduced Operation Night Mode Frost Protection Mode Ongoing Process Wait Battery Requires Changing Holiday Mode Active Heating Circuit 1 2 3 Active Maintenance Special Operation Error Alar...

Page 26: ...button to make Deutsch flash Turn the wheel one click anticlockwise to select English Press the OK button The screen indicates OPERATOR SECTION LANGUAGE Press the ECS button twice to return to the main screen Parameter Description Range Default Advised Change Unit Time And Date 1 Hours Minutes 00 00 24 00 hh mm 2 Day Month 01 01 31 12 dd mm 3 Year 2004 2099 yyyy Operator Section 20 Language Englis...

Page 27: ...fault Values No Yes No Time Program 4 DHW 560 Day Days Mo Su Mo Fr Sa Su Mo Tu We Th Fr Sa Su Mo Su 561 1 st Phase On 00 00 24 00 06 00 hh mm 562 1 st Phase Off 00 00 24 00 22 00 hh mm 563 2 nd Phase On 00 00 24 00 24 00 hh mm 564 2 nd Phase Off 00 00 24 00 24 00 hh mm 565 3 rd Phase On 00 00 24 00 24 00 hh mm 566 3 rd Phase Off 00 00 24 00 24 00 hh mm 576 Default Values No Yes No Time Program 5 6...

Page 28: ...5 35 0 C 720 Heating Curve Slope 0 10 4 00 1 50 3 20 721 Heating Curve Displacement 4 5 4 5 0 0 C 726 Heating Curve Adaption Off On Off 730 Summer Winter heating limit 8 30 18 C 732 24 Hour heating limit 10 10 3 C 733 Ext n 24 Hour heating limit Yes No Yes 740 Flow temp setpoint min 8 P741 8 C 741 Flow temp setpoint max P740 95 85 C 742 Flow temp setpoint room stat P740 P741 C 744 Swi on ratio roo...

Page 29: ... 861 Excess heat draw Off Heating mode Always Always 870 With buffer No Yes Yes 872 With prim contr system pump No Yes Yes 880 Pump speed reduction According HC operating level According characteristic curve Temp differential nominal According characteristic curve 881 Starting speed 0 100 100 882 Pump speed min P885 P883 50 883 Pump speed max P882 P886 100 885 Pump speed min OEM 0 P882 50 886 Pump...

Page 30: ... limitation 0 5 4 1 C 1061 Heating limit room controller 0 100 1070 Boost heating 0 20 5 C 1080 Quick setback Off Down to Reduced Setpoint Down to Frost Protection Setpoint To Reduced Setpoint 1090 Optimum start control max 0 360 0 Min 1091 Optimum stop control max 0 360 0 Min 1094 Heat up gradient 0 600 60 Min k 1100 Reduced setp increase start P1101 10 C 1101 Reduced setp increase end 30 P1100 1...

Page 31: ...P1182 50 1186 Pump speed max OEM P1183 100 100 1188 Curve readj at 50 speed 0 100 33 1189 Filter time const speed ctrl 0 20 5 Min 1190 Flow setp readj speed ctrl No Yes No 1198 Operating level changeover Frost protection Reduced Comfort Reduced 1200 Optg mode changeover None Protection Reduced Comfort Automatic Protection Heating Circuit 3 1300 Operating Mode HC3 Protection Automatic Reduced Comfo...

Page 32: ... P1400 15 C 1409 Continuous pump operation No Yes No 1412 Frost protection flow temp Off On On 1420 Overtempprot pump circuit Off On On 1430 Mixing valve boost 0 50 5 C 1432 Actuator type Two Position Three Position Three position 1433 Switching differential 2 pos 0 20 2 C 1434 Actuator running time 30 873 120 S 1435 Mixing valve Xp 1 100 32 C 1436 Mixing valve Tn 10 873 120 S 1450 Floor curing Fu...

Page 33: ... Release 24h day Heating program with forward shift time switch program 4 Heating programs with shift 1630 Charging priority Absolute shifting none shifting absolute Shifting 1640 Legionella function Off periodically fixed weekday Fixed weekday 1641 Legionella func periodically 1 7 3 Days 1642 Legionella func weekday Monday Tuesday Wednesday Thursday Friday Saturday Sunday Monday 1644 Legionella f...

Page 34: ... 2056 Setpoint source heating 8 80 22 C 2065 Charging priority solar Priority 1 Priority 2 Priority 3 Priority 3 2070 Swimming pool temp max P2055 95 32 C 2080 With solar integration No Yes Yes Primary contr system pump 2110 Flow temp setpoint min 8 P2111 8 C 2111 Flow temp setpoint max P2110 95 80 C 2121 Syst Pump on heat gen lock Off On Off 2130 Mixing valve boost 0 50 10 C 2132 Actuator type Tw...

Page 35: ...fter DHW 0 20 1 Min 2260 Prot boiler startup consumers Off On Off 2263 Setpoint min boiler Switch Off Off On Off 2264 Prot boiler startup anticipation 0 240 0 S 2270 Return setpoint min P2270 95 8 C 2271 Return setpoint min OEM 8 P2270 8 C 2272 Return influence consumers Off On On 2300 Frost protection boiler plant Off On Off 2301 Boiler pump on heat gen lock Off On Off 2305 Impact heat generation...

Page 36: ...P9530 Min 1 2445 Fan shutdown heating mode Off On Off 2446 Fan shutdown delay 0 0200 3 S 2450 Controller delay Off Heating mode only DHW mode only Heating and DHW mode Off 2452 Controller delay speed P9525 P9530 2400 Min 1 2453 Controller delay duration 0 255 10 S 2454 Switching diff on HCs 0 20 4 C 2455 Switching diff off min HCs 0 20 4 C 2456 Switching diff off max HCs 0 20 4 C 2457 Settling tim...

Page 37: ...on procedure Off On Off Cascade 3510 Lead Strategy Late on Early off Late on late off Early on late off Late on Late off 3511 Output ban min 0 P3512 40 3512 Output ban max P3511 100 90 3530 Release integral source seq 0 500 50 C min 3531 Reset integral source seq 0 500 20 C min 3532 Restart lock 0 1800 300 S 3533 Switch on delay 0 120 5 Min 3534 Forced time basic stage 0 1200 60 S 3540 Auto source...

Page 38: ... 4800 Partial charging setpoint 8 95 C 4810 Full charging Off Heating mode Always Off 4811 Full charging temp min 8 80 8 C 4813 Full charging sensor With B4 With B42 B41 With B42 B41With B42 B41 DHW Storage Tank 5010 DHW charging Once day Several times day Several times day 5011 DHW forward shift charge 00 30 04 00 H 5012 DHW forced charging Off On On 5020 Flow setpoint boost 0 30 16 C 5021 Transf...

Page 39: ...0 0 S 5016 Pump speed min OEM 0 P5101 40 5107 Pump speed max OEM P5102 100 100 5108 Starting speed charg pump 0 100 100 5109 St speed intermcirc pump 0 100 100 5130 Transfer strategy Off Always DHW release Always 5131 Comparison temp transfer DHW sensor B3 DHW sensor B31 DHW sensor B3 5139 Intermcirc boost recharging 0 10 2 C 5140 Intermediate circuit boost 0 10 2 C 5141 Excess intern circuit temp...

Page 40: ...nal solar charger Jointly DHW storage tank Buffer storage tank Jointly 5870 Combi storage tank No Yes No 5890 Relay output QX1 None Circulating pump Q4 El imm heater DHWK6 Collector pump Q5 Cons circuit pump VK1 Q15 Boiler pump Q1 Bypass pump Q12 Alarm output K10 2 nd pump speed HC1 Q21 2 nd pump speed HC2 Q22 2 nd pump speed HC3 Q23 Heat circuit pump HC3 Q20 Cons circuit pump VK2 Q18 System pump ...

Page 41: ...sor B8 5931 Sensor input BX2 See Para 5930 None 5932 Sensor input BX3 See Para 5930 None 5950 Function of Input H1 None Optg mode change HCs DHW Optg mode changeover DHW Optg mode changeover HCs Opt mode changeover HC1 Opt changeover HC2 Opt changeover HC3 Heat generation lock Error alarm message Consumer request VK1 consumer request VK2 release swi pool source heat Excess heat discharge release s...

Page 42: ...ement 10V Output request 10V None 5961 Contact type H3 Normal closed Normal open Normal open 5963 Voltage value 1 H3 0 10 0 Volts 5964 Function value 1 H3 1000 5000 0 5965 Voltage value 2 H3 0 10 0 Volts 5966 Function value 2 H3 1000 5000 0 5970 Function input H4 None Optg mode change HCs DHW Optg mode changeover DHW Optg mode changeover HCs Opt mode changeover HC1 Opt changeover HC2 Opt changeove...

Page 43: ... flue gas damper Start prevention Boiler flow switch Boiler pressure switch Consumer request VK1 10V Consumer request VK2 10V Pressure measurement 10V Output request 10V Room Thermostat HC1 5978 Contact type H5 Normal closed Normal open Normal open 6008 Function input H6 None Optg mode change HCs DHW Optg mode changeover DHW Optg mode changeover HCs Opt mode changeover HC1 Opt changeover HC2 Opt c...

Page 44: ...art prevention Boiler flow switch Boiler pressure switch Consumer request VK1 10V Consumer request VK2 10V Pressure measurement 10V Output request 10V Boiler flow switch 6012 Contact type H7 Normal closed Normal open Normal open 6020 Function extension module 1 None Multifunctional Heating circuit 1 Heating circuit 2 Heating circuit 3 Return temp controller Solar DHW Primary contr system pump Heat...

Page 45: ...lem buffer K8 Solar ctrl elemswi pool K18 Swimming pool pump Q19 Cascade pump Q25 St tank transfer pump Q11 DHW mixing pump Q35 DHW intermcirc pump Q33 Heat request K27 Refrigeration request K28 Heat circuit pump HC1 Q2 Heat circuit pump HC2 Q6 DHW ctrl elem Q3 Instant heater ctrl elem Q34 Water filling K34 2 nd boiler pump speed Q27 Status output K35 Status information K36 Fan shutdown K38 dT con...

Page 46: ...odule 3 See Para 6040 None 6045 Sensor input BX22 module 3 See Para 6040 None 6046 Function input H2 module 1 None Optg mode change HCs DHW Optg mode changeover DHW Optg mode changeover HCs Opt mode changeover HC1 Opt changeover HC2 Opt changeover HC3 Heat generation lock Error alarm message Consumer request VK1 consumer request VK2 release swi pool source heat Excess heat discharge release swi po...

Page 47: ...st VK2 release swi pool source heat Excess heat discharge release swi pool solar Operating level DHW Operating level HC1 Operating level HC2 Operating level HC3 Room thermostat HC1 Room thermostat HC2 Room thermostat HC3 DHW flow switch DHW thermostat Pulse count Checkb sign flue gas damper Start prevention Boiler flow switch Boiler pressure switch Consumer request VK1 10V Consumer request VK2 10V...

Page 48: ...ressure switch Consumer request VK1 10V Consumer request VK2 10V Pressure measurement 10V Output request 10V None 6063 Contact type H2 module 3 Normal closed Normal open Normal open 6065 Voltage value 1 H2 module 3 0 10 0 Volts 6066 Function value 1 H2 module 3 1000 5000 0 6067 Voltage value 2 H2 module 3 0 10 0 Volts 6068 Function value 2 H2 module 3 1000 5000 0 6072 Signal output UX 0 10V PWM PW...

Page 49: ... Water pressure 2 max 0 0 10 0 3 Bar 6151 Water pressure 2 min 0 0 10 0 0 8 Bar 6152 Water pressure 2 critical min 0 0 10 0 0 5 Bar 6153 water press 2 switching diff 0 0 10 0 0 3 Bar 6180 Water pressure 3 max 0 0 10 0 3 Bar 6181 Water pressure 3 min 0 0 10 0 0 8 Bar 6182 Water pressure 3 critical min 0 0 10 0 0 5 Bar 6183 Water press 3 switching diff 0 0 10 0 0 3 Bar 6200 Save sensors No Yes No 62...

Page 50: ...0 Clock mode Autonomously From BUS slave without remote setting From BUS slave with remote setting Controller is clock time master Autonomously 6650 Outside temp source S0 G1 S14 G16 S0 G1 Fault 6700 Message No error Error 1 No Error 6705 Internal value of diagnostic code 6706 Current value of lockout phase 6710 Reset alarm No Yes No 6740 Flow temp 1 alarm 10 240 Min 6741 Flow temp 2 alarm 10 240 ...

Page 51: ...rnal diagnostic code 7 0 255 6866 Burner control phase 7 6870 History 8 0 65535 6873 Error code 8 0 65535 No error 6875 Internal diagnostic code 8 0 255 6876 Burner control phase 8 6880 History 9 0 65535 6883 Error code 9 0 65535 No error 6885 Internal diagnostic code 9 0 255 6886 Burner control phase 9 6890 History 10 0 65535 6893 Error code 10 0 65535 No error 6895 Internal diagnostic code 10 0 ...

Page 52: ...55 Internal diagnostic code 16 0 255 6956 Burner control phase 16 6960 History 17 0 65535 6963 Error code 17 0 65535 No error 6965 Internal diagnostic code 17 0 255 6966 Burner control phase 17 6970 History 18 0 65535 6973 Error code 18 0 65535 No error 6975 Internal diagnostic code 18 0 255 6976 Burner control phase 18 6980 History 19 0 65535 6983 Error code 19 0 65535 No error 6985 Internal diag...

Page 53: ...cuit continuous Heating circuit cycled DHW continuous DHW cycled None 7165 Forced heat draw DHW Off On Off 7170 Telephone customer service 0 9 0 7250 PStick storage pos 0 250 0 7251 PStick description 7252 PStick command No operation Reading from stick Writing on stick No operation 7253 PStick progress 0 100 0 7254 PStick status No stick Stick ready Writing on stick Reading from stick EMC test act...

Page 54: ...r temp BX22 module 1 28 350 C 7832 Sensor temp BX21 module 2 28 350 C 7833 Sensor temp BX22 module 2 28 350 C 7834 Sensor temp BX21 module 3 28 350 C 7835 Sensor temp BX22 module 3 28 350 C 7840 Voltage signal H1 0 10 V 7841 Contact state H1 Open Closed Open 7845 Voltage H2 module 1 0 10 V 7846 Contact state H2 module 1 Open Closed Open 7848 Voltage H2 module 2 0 10 V 7849 Contact state H2 module ...

Page 55: ... Released 8102 Priority state source 2 See Para 8100 8104 Priority state source 3 See Para 8100 8106 Priority state source 4 See Para 8100 8108 Priority state source 5 See Para 8100 8110 Priority state source 6 See Para 8100 8112 Priority state source 7 See Para 8100 8114 Priority state source 8 See Para 8100 8116 Priority state source 9 See Para 8100 8118 Priority state source 10 See Para 8100 81...

Page 56: ... 1 st stage 0 65535 H 8331 Start counter 1 st stage 0 199999 8338 Hours run burner 0 199999 H 8339 Hours run DHW 0 199999 H 8378 Total gas Heating 0 2147483647 0 kWh 8379 Total gas DHW 0 2147483647 0 kWh 8380 Total gas HC DHW 0 2147483647 0 kWh 8381 Gas energy heating 0 2147483647 0 kWh 8382 Gas DHW 0 2147483647 0 kWh 8383 Gas HC DHW 0 2147483647 0 kWh 8390 Current phase number 1 21 TNB TLO TNN ST...

Page 57: ...0 0 50 0 C 8704 Outside temp composite 50 0 50 0 C 8730 Heating circuit pump 1 Off On Off 8731 Heat circ Mix valve 1 open Off On Off 8732 Heat circ Mix valve 1 close Off On Off 8735 Speed heating circuit pump 1 0 100 0 8740 Room temp 1 0 0 50 0 C 8741 Room setpoint 1 4 0 35 0 C 8742 Room temp 1 model 0 0 50 0 C 8743 Flow temp 1 0 0 140 0 C 8744 Flow temp setpoint 1 0 0 140 0 C 8749 Room thermostat...

Page 58: ...32 DHW temp 2 0 0 140 C 8835 DHW circulation temp 0 0 140 C 8836 DHW charging temp 0 140 C 8852 DHW consumption temp 0 140 C 8853 Instant DHW setpoint 0 140 C 8860 DHW flow 0 30 l min 8875 Flow temp setp VK1 5 130 C 8885 Flow temp setp VK2 5 130 C 8895 Flow temp setp swimming pool 5 130 C 8900 Swimming pool temp 0 140 0 C 8901 Swimming pool setpoint 8 80 24 C 8930 Primary controller temp 0 0 140 0...

Page 59: ...ff On Off Burner Control 9500 Pre purge time 0 51 10 S 9501 Pre purge time min 0 51 10 S 9504 Required speed pre purging 200 10000 2400 Min 1 9505 Req speed pre purging min 200 10000 2400 Min 1 9506 Speed tolerance pre purging 50 1200 600 Min 1 9512 Required speed ignition 200 10000 2700 Min 1 9513 Required speed ignition max 200 10000 2700 Min 1 9514 Speed tolerance ignition 50 1200 600 Min 1 951...

Page 60: ...mode 5 LP mode 1 9612 GP configuration GP not connected GP connected GP not connected 9613 Home run mode Startup with home run startup without home run Startup with home run 9614 Post purging level Run Pre purge Run 9615 Forced pre purging on error Off On On 9616 Max speed 0 10000 10000 Min 1 9617 Hall sensor pulse rev 0 6 2 9618 Ion Curr Level extran light 0 100 0 61 µA 9619 Ion Curr Level flame ...

Page 61: ...1 sensor error 46 Cascade return temperature sensor error 47 Common return temperature sensor error 50 DHW temperature 1 sensor error 52 DHW temperature 2 sensor error 54 Flow temperature DHW sensor error 57 DHW circulation sensor error 60 Room temperature 1 sensor error 65 Room temperature 2 sensor error 68 Room temperature 3 sensor error 70 Storage tank temperature 1 top sensor error 71 Storage ...

Page 62: ...hment of flame exceeded 146 Configuration error sensor controlling elements 151 LMS14 error internally 152 Parameterization error 153 Unit manually locked 160 Fan speed threshold not reached 162 Air pressure switch does not close 164 Flow pressure switch heating circuit error 166 Air pressure switch error does not open 169 Sitherm Pro system error 170 Error water pressure sensor primary side 171 A...

Page 63: ...sor input BX21 without function 336 146 Sensor input BX22 without function 339 146 Collector pump Q5 missing 340 146 Collector pump Q16 missing 341 146 Sensor B6 missing 349 146 Buffer storage tank return valve Y15 missing 350 146 Buffer storage tank address error 351 146 Primary controller system pump address error 352 146 Pressure less header address error 353 146 Sensor B10 missing 371 209 Flow...

Page 64: ...cordance with BS 6644 2005 system with an input greater than 70kW nett an automatic water replenishment unit shall be installed to automatically replenish any lost or evaporated water Please refer to BS 6644 2005 for allowable water replenishment methods for use with sealed pressurized heating systems For information on a comprehensive range of pressurization units that comply with current British...

Page 65: ... Repeated draining and refilling of the system without replenishment of water treatment must be avoided as this is very damaging to the boiler The boiler must not operate without the system water being correctly and adequately treated and maintained with an appropriate level of corrosion inhibitor For specific guidance on water treatment direct contact is advisable with Fernox 2 Genesis Business P...

Page 66: ... knob to select maintenance special operation Confirm the selection with the OK button Use the rotary knob to highlightPara7143 Confirm the selection with the OK button Change setting to ON Confirm with OK button To set max power use the rotary control knob the change Para 7145 to 100 Confirm the selection with the OK button Measure the CO2 value on the test nipple of the exhaust pipe Use adjustin...

Page 67: ...tention Undertake any maintenance and if necessary any preventative maintenance that s required 14 1 Routine Cleaning Maintenance E 105 Indication Reset As part of the Routine Service Inspection certain areas of the boiler need to the checked and cleaned as necessary a Turn the boiler OFF at the ON OFF switch and electrically isolate the boiler by removing the plug or fuse from the boiler supply b...

Page 68: ...multi meter to ensure that it is less than 1 Ohm 1 Ohm l Clean with abrasive material and inspect the ignition electrode Replace if necessary Adjust the spark gap to 4mm m Check the combustion fan blades for debris build up Remove any debris with a soft bristle brush or preferably compressed air DO NOT TOUCH OR SPIN THE FAN BLADES WITH YOUR FINGERS AS THIS COULD AFFECT THE BALANCING OF THE FAN BLA...

Page 69: ...d 69 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 15 0Exploded Spares Diagram ...

Page 70: ...MHG Heating Ltd 70 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 ...

Page 71: ...MHG Heating Ltd 71 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 ...

Page 72: ...MHG Heating Ltd 72 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 ...

Page 73: ... Heating Ltd 73 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre Waterfield Tadworth Surrey KT20 5LR Telephone 08456 448802 Fax 08456 448803 Email info mhgheating co uk Web www mhgheating co uk 140116 Notes ...

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