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MHG Heating ProCon HT 150 Installation And Operating Manual

Floor standing condensing boiler range
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© MHG Heating Ltd
Installation and Operating Manual for the
ProCon HT& HTP 150 & 225
Floor Standing Condensing Boiler Range
**RVS Controlled**
MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
P:0845 6448802 F:0845 6448803
E:info@mhgheating.co.uk
W: www.mhgheating.co.uk
010617

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Summary of Contents for MHG Heating ProCon HT 150

  • Page 1 Installation and Operating Manual for the ProCon HT& HTP 150 & 225 Floor Standing Condensing Boiler Range **RVS Controlled** MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 2: Table Of Contents

    18.2 Internal Wiring Diagram 19.0 Flue Components 20.0 Exploded Diagrams HT 71-74 21.0 Exploded Diagrams HTP 23.0 Note MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 3: Section 1.0 Appliance Type

    (QAC34) is also supplied and located in the base of the unit. Integral Low Loss Header. Complete with Flow and Return Sensors MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 4: Cascade Manager

    (QAC34) is also supplied and located in the base of the unit. Integral Distribution Header. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 5: Cascade Slave

    Cascade Manager and therefore relies on the presence of a Cascade Master Unit to provide operational signals via the LPB communication wiring. Integral Distribution Header. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 6: System Separation Plate Unit

    (QAZ36). An outside are sensor (QAC34) is also supplied and located in the base of the unit. Integral Pressure Vessel Integral System Separation Plate Heat Exchanger MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 7: Installation Regulations And Requirements

    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 P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 8: Appliance Warranties

    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 P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 9: Dimensions

    © MHG Heating Ltd 3.0 Dimensions. Standard Unit System separation Plate Unit MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 10: Plate Heat Exchanger Hydraulic Resistance

    Each ProCon HT boiler is supplied with a manoeuvring tool. This is to be used to facilitate the correct position of the unit. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk...

  • Page 11: Case Removal

    4. Using a 4mm Allen Key loosen and pull down to release the cover. The two captive bolts. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 12 (9) lift the panel clear of the top pins. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 13: Technical Data

    26.7 (Class 5) Flue Classification B23, C33, C43, C53, C63, C83. All Procon HT/HTP Boilers are fitted with ERP modulating pumps. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 14: Connection Sizes

    DN 125 The combustion air duct must have a resistance no greater than 100Pa Condensate Outlet Plastic 20mm 20mm MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 15: Pressure Relief Valve

    (X10:03) AVS75 Extension Module Mixing Clip Wiring Connections. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 16: Hydraulic Design Single Unit

    If Direct On Boiler Weather Compensation is not required a 3000 Ohm Resistor must be applied to the AF terminals to remove the E10 Error Code from the RVS43 143 Cascade Manager LPB Network. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk...

  • Page 17: Hydraulic Design Cascade Units

    If Direct On Boiler Weather Compensation is not required a 3000 Ohm Resistor must be applied to the AF terminals to remove the E10 Error Code from the RVS43 143 Cascade Manager LPB Network. Addition control and hydraulic configurations are possible. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 18: Fluing Options

    9.1 Single ProCon HT Conventionally Flued 9.2 Single ProCon HT Balanced Flued Please note: The combustion air duct must have a resistance no greater than 100Pa MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...
  • Page 19 If this method is utilised the flue must be sized to prevent back pressure effecting other appliances on the flue system. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...
  • Page 20 If this method is utilised the flue must be sized to prevent back pressure effecting associated appliances. Please note: The combustion air duct must have a resistance no greater than 100Pa MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.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 P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 22: Expansion Vessel

    For information on a comprehensive range of expansion vessels that comply with current British Standards and WRAS Regulations, please contact MHGHeating Ltd Sales. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 23: System Water Quality

    Stainless Steel. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 24: Appliance Controls

    4. Lower Module Power Isolator 5. Module Commissioning Button 6. Appliance Power Isolator 7. System Manometer 12.2 RVS43 143 Cascade Manager MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 25: Module Controller

    Not used in This Configuration Weather Compensation Curve Heating Circuit 1 -- / 40 Weather Compensation Curve Parallel -31 / +31 Displacement MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 26: Accessing Module Parameters

    (A, b, C, d, P), press button (10) briefly. The current value appears about 2seconds after choosing the relevant parameter. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 27: Module Operating Codes

    © MHG Heating Ltd 12.6 Module Operating Codes MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 28: Appliance Error Codes

    LPB Address Conflict (Boiler Cascade Settings) E-86 Short Circuit on PPS Connection (Not Used in ProCon Configuration) E-91 EEPROM E-92 Hardware Malfunction MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 29: Module Lmu64 Controller (Qaa73 Unit Required.)

    Module Operating in Chimney Mode 100% Output E-181 Module Operating in Commissioning Mode E-183 Module Controller / QAA73 Room Unit in Parameter Setting Mode MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 30: Control Parameter Defaults

    'English'. Press the OK button. The screen indicates 'OPERATOR SECTION, LANGUAGE', Press the ECS button twice, to return to the main screen. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 31: Rvs43 143Cascade Manager Defaults

    501-506 Time switch program HC1 Sunday 22:00 (Off); -; -; -; - Standard values TSP heating circuit 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 32 -; - 06:00 (On); 541-546 Time switch program 3 Sunday 22:00 (Off); -; -; -; - Standard values TSP3 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 33 06:00 (On); 601-606 Time switch program 5 Sunday 22:00 (Off); -; -; -; - Standard values TSP 5 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 34 Holiday period 4 HC3/P: Last day ------- Holiday period 5 HC3/P: First day ------- Holiday period 5 HC3/P: Last day ------- MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 35 HC1 Start reduced room temp setpoint ------- °C increase HC1 End reduced room temp setpoint °C increase HC1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 36 Room temperature gain factor cooling circuit 1 Room temp limitation cooling circuit 1 °C Mixing valve decrease cooling circuit °C MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 37 1050 Room temp gain factor heat circuit 2 Room temperature limitation heating 1060 °C circuit 2 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 38 HC3/P 1326 Heating curve adaption HC3/P Summer/winter changeover 1330 °C temperature HC3/P 1332 24-hour heating limit HC3/P °C MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 39 Legionella function Fixed weekday 1641 Legionella function periodicity 1642 Legionella function day Monday 1644 Time for legionella function ------- MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 40 P-band (Xp)pre controller °C 2136 Integral action time (Tn) pre controller Downstream 2150 Pre controller/primary pump from buffer MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 41 2330 Nominal power boiler 2331 Nominal power first stage Cascade 3510 Cascade control strategy Early on, late off MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 42 Wait time parallel operation ------- 3828 Start delay secondary pump 3830 Collector Start function ------- 3831 Min collector pump running time MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 43 4783 Buffer with solar 4790 Return diverting temp differential On °C 4791 Return diverting temp differential Off °C MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 44 Integral action time (Tn) DHW 5126 precontr 5130 Transfer strategy Always 5131 Comparative temperature transfer DHW sensor B3 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 45 Heat circuit 2 6021 Function extension module 2 No function 6030 Relay output QX21 None 6031 Relay output QX22 None MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 46 Water pressure 2 critical min ------- 6200 Store sensor 6204 Store parameter 6205 Reset parameter 6212 Control number heat generation 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 47 6650 Outside temp source S0/G1 Error 6710 Reset alarm relay 6740 Time flow temperature alarm HC1 ------- MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 48 Error code history entry 9 sensor error 01 January 2004 6818 Time stamp error history entry 10 01:11 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 49 Status heating circuit P 8003 Status DHW 8004 Status cooling circuit 1 8005 Status boiler 8007 Status solar MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 50 Cascade return temp actual setpoint ------- °C Time to automatic producer sequence 8150 switching State cascade pump (Q25) ------- MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 51 Status return mixing valve opens (Y7) ------- Status return mixing valve closes (Y8) ------- Status boiler bypass pump (Q12) ------- MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 52 ------- °C 8800 Room temperature actual value HC3/P ------- °C Room temperature setpoint current 8801 ------- °C HC3/P MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 53 Module 1) State multifunctional relay (QX21 9053 ------- Module 2) State multifunctional relay (QX22 9054 ------- Module 2) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 54 ------- DHW intermediate circuit pump (Q33) ------- Info 6700 Error signal Error origin Error signal 2 Error origin MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 55 Status solar State solid fuel boiler Status buffer Status pool Clock time 7170 Telephone customer service 08456 448802 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 56 Maximum speed at maximum output in heating H536 0 ... 9950 rpm 7000 7000 7000 mode (maximum speed limitation) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 57 H619 Function output1 clip-in function module 0 ... 255 H620 Function output2 clip-in function module 0 ... 255 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 58 0 ... 583 H728 1st Historical Fault – ALBATROS Error Code H729 2nd Historical Fault – ALBATROS Error Code MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 59: Commissioning

    Adjustment Pressing the Chimney Sweep Button (11) for more than 6 seconds.places the respective module in High Fire mode. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...
  • Page 60 Legend Valve Inlet Gas Pressure Test Point Valve Outlet Gas Pressure Test Point High Fire Adjuster (Gate Type) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 61 15mm 8.5% C0 9.0% CO (Exploded Part #79) LPG (G31) 10mm 11.0% CO 11.0% CO (Exploded Part #79) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 62: Ng/Lpg - Lpg/Ng Conversion Procedure

    Reinstall the gas valve/s complete with correct sized injector/s in the reverse order. Following completion of the re-injectoring of all modules the units will require recommissioning as detailed in section 15.2. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 63: Routine Inspection And Servicing

    Service Report and brought to the Client / End User’s attention. Undertake any maintenance, and if necessary any preventative maintenance, that’s required. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk...

  • Page 64: Routine Cleaning And Maintenance

    If excessive debris build-up is identified, the burner lance should be washed and thoroughly dried. A BRUSH, OF ANY MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk...
  • Page 65 Parameter Line H630 – Bit 6. using the + button, adjust the value from 0 to 1 and press the INFO button to reset the Service Interval counter. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk...

  • Page 66: Optional System Controls (Rva 63, Rva46, Qaa70, Qaa50, Qaa10)

    This modulating limited function room unit offers the heating user reduced remote access to operating mode and temperature functions that effect the provision of heat to the respective zone. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 67: Module Operation Indication

    LED ON 5% OFF 20% ON 5% OFF70% Boiler being controlled via LPB and required to be operating. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 68: Module Bms Fault Indication Clip Installation And Setting (Agu2.511 Clip)

    2. Boiler Fault Output. Output rated at 240 Volts 0.5 Amp 3. Boiler Operating Output. 4 -12 Non Supported Output. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk...

  • Page 69: Internal Wiring Diagram

    © MHG Heating Ltd 18.2 Internal Wiring Diagram MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 70: Flue Components

    Length Dependant DN160 Flexible 94.68275-4201 Centralising Bracket DN160 Riser Elbow 96.00060-1796 DN160 Bird Mesh BIRDMESH-160 DN160 Bracket MHG-ALU-BRKT-DN160 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 71: Exploded Diagrams Ht

    © MHG Heating Ltd 20.0 Exploded Diagram Standard Units MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 72 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 73 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...
  • Page 74 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 75: Exploded Diagrams Htp

    © MHG Heating Ltd 21.0 Exploded Diagram System Separation Plate Heat Exchanger Unit MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

  • Page 76: Note

    © MHG Heating Ltd Notes MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR P:0845 6448802 F:0845 6448803 E:info@mhgheating.co.uk W: www.mhgheating.co.uk 010617...

This manual is also suitable for:

Procon ht 225Htp 150Htp 225

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