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MHG Heating Wallcon 115 Installation And Operating Manual

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© MHG Heating Ltd
Installation and Operating Manual for the
Wallcon 115,125,160
1
MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
info@mhgheating.co.uk
Web www.mhgheating.co.uk
010517

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  • Page 1 © MHG Heating Ltd Installation and Operating Manual for the Wallcon 115,125,160 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 2: Table Of Contents

    Routine Cleaning &Maintenance (E:105 Indication) 44-45 13.0 Troubleshooting 46-47 14.0 Internal Wiring 15.0 Spares Diagram 49-52 Notes MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 3: Appliance Typethere Are Three Outputs Within The Wallcon Range

    IGE/UP/10 Installation of gas appliances in industrial and commercial premises. Part 1: Flued appliances. And any addition prevailing regulation and or code of practice not detailed above. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 4: Appliance Warranties

    All Wallcons are supplied with a HWS probe sensor and QAC 34 outside Air Sensor. (To activate direct on boiler weather compensation) MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 5: Technical Data

    230-50 Electrical Power IP Class Boiler dimensions & weight Dimensions WxLxH 557x580x865 557x580x865 557x690x865 Weight MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 6: Dimensions

    Flue Outlet – Ø100mm Air Intake – Ø100mm PRV outlet – Ø25mm Condensate Discharge – Ø25mm MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 7: Installation And Service Clearances

    Front Minimum of 600mm Sides Minimum of 50mm Minimum of 250mm Bottom Minimum of 250mm MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 8: Mounting Information

    The boiler contains parts which can be damaged by impacts. During further transport all parts must be protected against impacts MHG Heating Ltd refuse liability of any damage cause to the boiler as a result of miss handling during on site transportation.

  • Page 9: Case Removal

    Once the bottom is free lift the case up and off the locating bolts situated on the top of the boiler. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 10: Electrical Connections

    Additional outputs can be configured if required. required. * Screened cable must be used for this connection. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 11: Hydraulic Design Single Unit (Option 1)

    Input <24 Volts commissioning **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 12: Hydraulic Design Single Unit (Option 2)

    Input <24 Volts commissioning **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 13: Hydraulic Design Single Unit (Option 3)

    Input <24 Volts commissioning **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 14: Hydraulic Design Single Unit (Option 4)

    Input <24 Volts commissioning **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 15: Hydraulic Design Single Unit (Option 5)

    Input <24 Volts commissioning **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 16: Hydraulic Design Single Unit (Option 6)

    Input <24 Volts commissioning **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 17: Hydraulic Design Single Unit (Option 7)

    Input/Output Terminal Description/Label Type Cascade Communication Input Cascade Module. Screened Cable must be used Coms MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 18: Hydraulic Design Single Unit (Option 8)

    0-10Volt Enable H3 0-10Volts **Only one enable to be used per installation. Volt Free or 0-10. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 19: Fluing Options

    A Balanced Flue System/ Room sealed installation. Air ducted from outside and the products flued out via a shared stack. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 20: Balanced Flue Terminal Positions For Boilers Below And Above 70Kw Net Input

    The terminal/s shall be guarded if it is less than 2000mm above the ground or in any position where it may cause injury to persons resulting from touching a hot surface. Absolute guidance must be sought from the respective regulation. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 21: Filling The System

    For information on a comprehensive range of pressurization units that comply with current British Standards and WRAS Regulations, please contact MHG Heating Ltd Sales. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 22: Expansion Vessel, System Water Quality, Care With The Use Of Flux

    Please refer to our website for further details on our matched brazed and gasketed plate heat exchanger range. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 23: Boiler Controller

    Burner in Operation (Burner Stage) INFO Level Activated PROG Level Activated ECO Function Activated (Heating Temporarily Switched Off) MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 24: Accessing Controller Parameters

    Time Program Heating Circuit 2 Mo-Su, Mo-Fr,Sa- Day/Days Mo-Su Su,Mo,Tu,We,Th,Fr,Sa,Su Phase On 00:00-24:00 06:00 hh:mm MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 25 Frost Protection Holiday Heating Circuit 3 Period1, Period2, Period3, Period4, Preselection Period1 Period5, Period6, Period7, Period8 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 26 Off, Heating mode, Always Always With buffer No, Yes With prim contr./system pump No, Yes MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 27 30 – 873 1134 Actuator running time 1 – 100 1135 Mixing valve Xp °C MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 28 0 – 360 1391 Optimum stop control max Min. 0 – 600 1394 Heat up gradient Min/k MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 29 ---/10 – 360 1646 Legionella funct. Duration Min. Off – On 1647 Legionella funct. circ pump MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 30 Producer 1 Producer 10, Producer 11, Producer 12, Producer 13, Producer 14, Producer 15, Producer 16 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...
  • Page 31 DHW sensor 5070 Automatic push OFF, ON 0 – 120 5071 Charging prio time push Min. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 32 Flow switch time cons 5489 Overrun Via InstWH Off, On 40 – See 5531 5530 Pump speed Min MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 33 Internal diagnostic code 9 6886 Burner control phase 9 0 – 65535 6890 History 10 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 34 0 – 140 8311 Boiler/Control setpoint °C 8312 Boiler switching point 0 - 140 °C MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 35 8560 Solid fuel boiler temp °C 0 – 199999 8570 Hours run solid fuel boiler MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 36 8875 Flow temp setp. VK1 °C 5 – 130 8885 Flow temp setp. VK2 °C MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 37 Relay output QX22 module 3 Off, On 9058 Relay output QX23 module 3 Off, On MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 38: Weather Compensation Slope

    The maximum length of cable allowed between the sensor and the controller is 50m MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 39: Controller Error Codes

    Loss of flame during operation Wrong air supply Flue gas temperature limit exceeded Gas pressure switch safety shutdown MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...
  • Page 40 146 Sensor input BX21 without function 146 Sensor input BX22 without function 146 Collector pump Q5 missing MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...
  • Page 41 217 Sensor primary heat exchanger 151 Function earth not connected 216 Temperature primary heat exchanger too high MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 42: Commissioning The Appliance

    Gas Type CO2 Natural Gas (G20) CO2 LPG (G31) 10.3 10.9 11.1 11.2 10.3 10.7 MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 43: Conversion Of The Appliance To Operate On Lpg (G31)

    7: Reassemble boiler in reverse of the procedure above, ensuring all joints are gas tight. 8: Complete a gas tightness test on the appliance to ensure no gas leaks following the work undertaken. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 44: Routine Inspection And Servicing

    Finally brush the heat exchanger whilst rinsing thoroughly with copious amounts of fresh water. MHG Combustion Chamber Cleaning Granules are available from MHG MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...
  • Page 45 Following the satisfactory completion of the above service procedure, the internal Routine Service Control Timer needs to be reset. Utilising the appliances fascia gain access to the Second Level Parameters. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 46: Troubleshooting

    © MHG Heating Ltd 13.0 Troubleshooting MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 47 © MHG Heating Ltd MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 48: Internal Wiring

    © MHG Heating Ltd 14.0 Internal Wiring *Wiring loom and parameter adjustments required. MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 49: Spares Diagram

    Flue Outlet Pressure Transducer Heat Exchanger boilers sold in the UK will have internal circulation pumps MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...
  • Page 50 Flue outlet Heat Exchanger Ignition Transformer Pressure Transducer Safety Relief Valve Flue Gas Temperature Sensor MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...
  • Page 51 Boiler Return Connection Ionization Electrode Limit Thermostat Air Intake Flexible Duct Flame Observation Glass Ignition Electrode MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

  • Page 52: Spares Diagram

    Flow Temperature Sensor Automatic Air Vent *All Wallcon boilers sold in the UK will have internal circulation pumps MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 53: Notes

    © MHG Heating Ltd Notes MHG Heating Ltd Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey KT20 5LR Telephone 01737 358000 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk 010517...

This manual is also suitable for:

Wallcon 160Wallcon 125

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