MHG Heating ProCon E 26 Installation And Operating Manual
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MHG Heating ProCon E 26 Installation And Operating Manual

Wall mounted condensing boiler range
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© MHG Heating Ltd
Installation and Operating Manual for the
ProCon E 26
Wall Mounted Condensing Boiler Range
1
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

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  • Page 1 © MHG Heating Ltd Installation and Operating Manual for the ProCon E 26 Wall Mounted Condensing Boiler Range 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...

  • Page 2: Table Of Contents

    14.1 Routine Service Inspection Routine Cleaning and Maintenance 67-68 15.0 Exploded Spares Diagrams 69-72 Notes 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 3 Pressure (Safety) Relief Valve. 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...
  • Page 4 In addition to the above warranties, the Primary Heat Exchangers carry a 60 month guarantee against manufacturing or material defect. 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...

  • Page 5: Pressure Relief Valve

    *Hot Water Primary Return ½” (HS Models) *Cold Water Inlet ½” (S Models) *External thread, flat sealing 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...
  • Page 6 4.1Installation and Service Clearances  A clearance of 600mm is required in front of the appliance for servicing. 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...
  • Page 7 The lower case is secured on either side by screws located on the front edge of the case. 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...

  • Page 8: Dimensions

    Drinking Water Connection ½ Water Content *(Corresponds to 15° dH or 27° fH,19° E) 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 9: Electrical Connections

    White MB LPB Cascade Communication (OCI Clip) Black/Green DB LPB Cascade Communication (OCI Clip) Brown 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 10 QX2 Earth Programmable Output Green/Yellow *QX2 Live Programmable Output Brown *Max switching capability 0.5 Amps 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 11 Brown br/ws Brown/White Yellow Green gn/gb Green/Yellow Grey Orange Pink Black Violet White ws/rt White/Red 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 12: Electrical Connections

    CL+ QAA75/78 Room Unit (if used) CL- QAA75/78 Room Unit (if used) G+ QAA75/78 Room Unit (if used) 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...
  • Page 13 CL- QAA75/78 Room Unit (if used) G+ QAA75/78 Room Unit (if used) *Max switching capability 0.5 Amps 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...
  • Page 14 CL- QAA75/78 Room Unit (if used) G+ QAA75/78 Room Unit (if used) *Max switching capability 0.5 Amps 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...
  • Page 15 Parameters Description Default Change 6020 Function Extension module 1 Heating Circuit 2 Heating Circuit 1 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 16 CL- QAA75/78 Room Unit (if used) G+ QAA75/78 Room Unit (if used) *Max switching capability 0.5 Amps 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...
  • Page 17 *QX1 Live Heating Circuit 1 Pump G+ QAA75/78 Room Unit (if used) *Max switching capability 0.5 Amps 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...
  • Page 18 Parameters Description Default Change 6020 Function Extension module 1 Heating Circuit 2 Heating Circuit 1 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 19 Permanent Neutral MB LPB Cascade Communication Permanent Earth DB LPB Cascade Communication Permanent Live 5Amp 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 20: Fluing Options

    Dimensions below are for concentric DN80/125 boiler connector fittings 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...
  • Page 21 Dual Wall Termination, Dual Roof Termination or Connection to our range of Flexible Flue Liner DN80 – DN160. 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...
  • Page 22 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. 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...
  • Page 23 © MHG Heating Ltd 9.7Dimensions of Available Flue Components (DN80/125mm) 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 24: 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 Document Intended for quick guidance only. Absolute guidance must be sought from the respective regulation 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...
  • Page 25 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 08456 448802 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...
  • Page 26 Phase On 00:00-24:00 24:00 hh:mm Phase Off 00:00-24:00 24:00 hh:mm Default Values No, Yes 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 27 Period1, Period2, Period3, Period4, Preselection Period1 Period5, Period6, Period7, Period8 Start 01.01-31.12 --.-- dd:mm 01.01-31.12 --.-- dd:mm 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 28 Reduced setp. -30 – P800 °C increase end Continuous pump No – Yes operation 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 29 4 – P1012 1014 10.0 °C Setpoint 1016 Comfort Setpoint Max P1010 - 35 35.0 °C 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 30 Off, Function heating, Curing heating, 1150 Floor curing Function Function + Curing heating, Curing + functional heating, Manually 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 31 Flow temp setpoint 8 – P1341 1340 °C Flow temp setpoint P1340 – 95 1341 °C 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 32 Temp. differential nominal curve 0 – 100 1481 Starting speed P1485 – P1483 1482 Pump speed min 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 33 DHW charging priority Yes, No 1875 Excess heat draw Off, On 1878 With Buffer No, Yes 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 34 P2214 – P2213 2212 Setpoint max °C P2212 – 120 2213 Setpoint max OEM °C 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 35 Speed Xp °C 10 – 873 2325 Speed Tn 0 – 30 2326 Speed Tv 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 36 0 – 200 2473 °C Flue gas temp switch- 0 – 200 2474 °C off limit 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 37 Buffer Storage Tank 4720 Auto generation lock None, With B4, With B4 and B42/B41 With B4 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 38 Collector El imm heater optg 5060 Backup mode, summer only, always Backup mode mode 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 39 Off, 4-pipe system cooling 5715 Heating circuit 2 Off, On 5721 Heating circuit 3 Off, On 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 40 Relay output QX2 See Para 5890 None DHW ctrl elem 5892 Relay output QX3 See Para 5890 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 41 0 – 10 5955 Voltage value 2 H1 Volts -1000 – 5000 5956 Function value 2 H1 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 42 0 – 1000 5973 Frequency value 1 H4 5974 Function value 1 H4 -1000 - 5000 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 43 VK2 10V, Pressure measurement 10V, Output request 10V 6009 Contact type H6 Normal closed, Normal open Normal open 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 44 None, Limit thermostat HC None module 2 Funct. Input EX21 6028 None, Limit thermostat HC None module 3 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 45 See Para 6030 None module 3 Relay output QX23 6038 See Para 6030 None module 3 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 46 -1000 - 5000 module 1 Voltage value 2 H2 6051 0 - 10 Volts module 1 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 47 0 - 10 Volts module 2 Function value 2 H2 6060 -1000 - 5000 module 2 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 48 -3.0 - 3.0 °C sensor Sensor type flue gas 6101 NTC, Pt 1000, NTC 20k temp 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 49 Automatic function Bus power supply 6605 Off, On state Display system 6610 No, Yes message 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 50 0 – 65535 6830 History 4 0 – 65535 6833 Error code 4 No error 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 51 0 – 65535 6923 Error code 13 No error Internal diagnostic 0 – 255 6925 code 13 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 52 Burner hrs since 0 – 10000 7041 maintenance ----/100 – 65500 7042 Burner start interval ---- 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 53 QX21 module 3, Relay output QX22 module 3, Relay output QX23 module ----/0 – 100 7713 Output test P1 ---- 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 54 Input EX21 module 3 0V, 230 State SLT cut out, Fault, Man ……. 8000 State heating circuit 1 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 55 Boiler temp, Control 0 – 140 8310 °C temperature 0 – 140 8311 Boiler/Control setpoint °C 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 56 -168 – 350 8515 °C 1/swimming pool -28 – 350 8519 Solar flow temp °C 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 57 Heating circuit pump 3 Off, On Heat circ. Mix valve 3 8791 Off, On open 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 58 Water pressure H3 9031 Relay output QX1 Off, On 9032 Relay output QX2 Off, On 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 59 Optg time with ignition 0.2 – 10 9534 load 0 – 51 9540 Post-purge time 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 60 Req. speed chimney 0 – 10000 9651 drying Duration chimney 10 – 1440 9652 Min. drying 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 61 BSB RF communication error Data overrun in EEPROM Extension module 1, error Extension module 2, error 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...
  • Page 62 Return sensor for yield measurement, error Swimming pool sensor, error 217 Flow temperature 3, sensor error 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...
  • Page 63 217 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 08456 448802 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 64: Filling The System

    For information on a comprehensive range of expansion vessels 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 08456 448802 Fax 08456 448803 Email info@mhgheating.co.uk...

  • Page 65: System Water Quality

    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 08456 448802 Fax 08456 448803 Email info@mhgheating.co.uk Web www.mhgheating.co.uk...

  • Page 66: Commissioning

    Settings Required Natural Gas High Fire 8.7% CO 10.5% CO Low Fire 9.3% CO 10.3% CO 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 67: Notes

    5 minutes. This will help to remove any stubborn mineral deposits and clear the condensate drain connections. Finally brush the heat exchanger whilst rinsing thoroughly with 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...
  • Page 68 Confirm the selection with the OK button The counter starts again at zero Repeat steps for the operating line 7043 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...
  • Page 69 © MHG Heating Ltd 15.0Exploded Spares Diagram 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 70 © MHG Heating Ltd 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 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 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 © MHG Heating Ltd Notes 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...

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