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MHG Heating EcoStar 720 Installation And Operating Manual

Oil condensing floor standing range output range 20.0 – 62.0 kw
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© MHG Heating Ltd
Installation and Operating Manual for the
EcoStar 720 & 750 Oil Condensing Floor Standing Range
Output Range 20.0 – 62.0 kW
1
MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR
0845 6448802 Telephone. 0845 6448803 Fax. Email
info@mhgheating.co.uk
Website www.mhgheating.co.uk
010612 Draft

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Summary of Contents for MHG Heating EcoStar 720

  • Page 1 Installation and Operating Manual for the EcoStar 720 & 750 Oil Condensing Floor Standing Range Output Range 20.0 – 62.0 kW MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...

  • Page 2: Table Of Contents

    Optional System Controls 17.0 Exploded Spares Diagrams 18.0 Parts List 18.0 Installer / End Users Note MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

  • Page 3: Appliance Type

    Please ensure you have the correct unit for the application prior to beginning the installation. 1.1 The EcoStar 720 High Efficiency unit without secondary condensing heat exchanger appliances are designed to be applied to systems where there is not a need for a condensing boiler.

  • Page 4: Installation Regulations And Requirements

    IGE/UP/10 Installation of gas appliances in industrial and commercial premises. Part 1: Flued appliances. The prevailing OFTEC regulations. 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 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...

  • Page 5: Appliance Warranties

    In addition to the above warranties, the 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 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 6 Flow Connection (Pump Kit) Return Connection (Pump Kit) Hydraulic Pressure Loss @ 20∆T mbar Dry Weight MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 7 © MHG Heating Ltd 3.6 Installation and Service Clearances MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 8 EcoStar 700 Primary Heat Exchanger on transport pallet. Boiler door carton. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...
  • Page 9 Prior to positioning the primary heat exchanger on to its feet it is advisable to remove the casing panels. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 10 Once correctly positioned install the baffles as indicated above. 723-725 & 753-755 726 & 756 Baffle type 1 Baffle type 2 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 11 Install the double nipple to the top rear of the primary heat exchanger. This provides a connection point for the pressure relief valve, pressure gauge and automatic air released group. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 12 When installing a 750 range appliance the secondary heat exchanger must connected to the primary heat exchanger flue outlet spigot. Install the seal 1 into the recess of the secondary heat exchanger. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...
  • Page 13 Install the return connector from the secondary heat exchanger to the primary heat exchanger and the common return pipe to the rear casing. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 14 The flue limit sensor section has a definitive shoulder, whereas a DN100 elbow can be over inserted and restrict the flue way. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 15 1.Heat Exchanger drain. 2. Combined drain, 3. Flue system drain, 4. Y connector, 5. Neutralizing unit. Flue and condensate connection kit 94.62200-4820 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...
  • Page 16 1. QAA75 connection G+ CL- CL+ 2. Burner control connection 3. RVS Power supply connection 4. Permanent power supply connection. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...
  • Page 17 Install the boiler control sensor and limit thermostat phial into the pocket located in the casting adjacent to the flow connection. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 18 © MHG Heating Ltd Install the connecting pipework and safety group and drain valve. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 19 Once this has been achieved the burner door can be closed and the burner reattached. Connect the electrical Wieland plug to the burner. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 20 Once all electrical and operational checks have been completed the top case can be installed and secured. Please refer to the following sections for electrical connections and commissioning guidance. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 21 To program the unit a QAA 75 must be connected to the control unit. This can be hard wired or if required plugged in to the boilers control facia. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 22 An alternative to hard wiring the QAA75 room unit is to utilise a wireless QAA78 unit. A transducer must be connected to the boiler unit. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 23 All packaging materials should be disposed of in an environmentally aware way. The unit illustrated below includes the option pump assemblies. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 24 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

  • Page 25: Technical Data

    Kg/S 0.36 0.48 0.59 0.72 Lift Weight (Dry) Over Efficiency 50/30 Over Efficiency 80/60 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

  • Page 26: Fluing Options

    An extensive range for rigid and flexible flue components are available from MHG. The diagrams indicated below are for illustrative purposes only. Flexible flue installation. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...
  • Page 27 Lined flue Stack installation. The overall length of the flue system must be calculated with reference to the respective burner manual. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...

  • Page 28: Pressure Relief Valve

    Ensure that the location of the applied circulating pumps do not reduce the pressure within the boiler to below stated minimum. System Pressure managers and system pressure vessels are available from MHG if required. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...

  • Page 29: Electrical Connections

    Wiring external to the appliance Power Light Connector Socket for QAA Room Unit Appliance Controller RVS63 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...
  • Page 30 © MHG Heating Ltd Burner Wiring Diagram MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 31 © MHG Heating Ltd 7.1 RVS63 Controller Terminal Configuration. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 32 >24 Volts Connection for QAA78 Sender # Parameter alterations may be required to configure these terminals. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...

  • Page 33: Hydraulic Configurations

    © MHG Heating Ltd 8.0 Hydraulic Configurations The EcoStar 720-750 range has been designed to suit a vast number of installation hydraulic configurations. In all cases the minimum flow rate detailed in the appliance data table must be achieved through the units when during operational periods.
  • Page 34 © MHG Heating Ltd 8. 12 Single Boiler Installation Boiler With Low Loss Header MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 35 8. 13 Multiple Boiler Installation Boiler With Integral RVS Controller 8. 13.2 Multiple Boiler Installation Boiler With Integral RVS Controller MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...

  • Page 36: 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 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...

  • Page 37: System Water Quality

    GU21 5RZ Fax: 0151 420 5447 Tel: 0208 665 6666 Fax: 0208 665 4695 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

  • Page 38: Appliance Controls

    This is also applicable following the rectification of any appliance fault. This can take up to 10 minutes. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 39 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 40 © MHG Heating Ltd Maintenance Codes Special Operation Codes MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 41 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. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 42 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 43 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 44 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 45 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 46 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 47 © MHG Heating Ltd A full list of defaults can be found in the respective controller guide supplied with the appliance. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 48 Time switch program 06:00 (On); 22:00 (Off); 501-506 HC1 Monday -; -; -; - MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 49 06:00 (On); 22:00 (Off); 521-526 HC2 Sunday -; -; -; - Standard values TSP heating circuit 2 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 50 Time switch program 06:00 (On); 22:00 (Off); 561-566 4 Friday -; -; -; - MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 51 Holiday period 1 HC1: ------- last day ------- Holiday period 2 HC1: MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 52 Holiday operating Frost level HC1 Holiday programs Line no. Data point Value Unit Additional Comments MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 53 Holiday period 8 HC2: ------- last day Holiday operating Frost level HC2 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 54 Holiday period 7 ------- HC3/P: Last day Holiday period 8 ------- HC3/P: First day MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 55 °C flow temperature Flow temp max °C Set to required maximum limitation heat circuit MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 56 1 Actuator switching differential heat °C circuit 1 Actuator running time heat circuit 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 57 Flow setpoint at outside temp 25°C °C Flow setpoint at outside temp 35°C °C MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 58 Three-position Actuator switching °C diff cooling circuit 1 Running time actuator cooling circuit 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 59 Room temp reduced 1012 °C setpoint heat circuit 2 Room temp frost 1014 °C protection setpoint MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 60 1090 control max forward 00:00 shift HC2 Optimum stop 1091 00:00 control max forward MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 61 2 Heating circuit 2 with 1170 buffer Heating circuit 2 with 1172 precontr/primary pump MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 62 Flow temperature 1340 °C min limitation HC3/P Flow temperature 1341 °C max limitation HC3/P MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 63 ------- HC3/P Floor curing HC3/P 1457 days fulfilled Overtemperature 1461 Always drop heating circuit MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 64 Legionella function 1642 Monday Time for legionella 1644 ------- function Legionella function 1645 °C setpoint MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 65 Pump H2 2035 overtemperature drop 2037 H2 pump with buffer H2 pump with 2039 precontr/primary MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 66 Mixing valve decrease 2131 °C precontroller Actuator control 2132 Three-position mode precontroller MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 67 Boiler temp max 2213 °C limitation OEM Boiler switching 2240 °C differential 2241 Burner running time MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 68 Frost protection for 2300 plant boiler pump 2310 TR function 2315 ------- °C Temperature stroke MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 69 Exclude at automatic 3541 producer sequence none switching 3544 Leading producer Producer 1 3550 Protective startup MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 70 °C buffer Temperature 3814 differential OFF ------- °C buffer 3815 ------- °C Min charging MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 71 Collector frost 3840 ------- °C protection temp Collector 3850 ------- °C overtemperature MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 72 Buffer tank Line no. Data point Value Unit Additional Comments MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 73 Return cooling 4755 °C temperature buffer Buffer return cooling 4756 DHW/HC 4757 Buffer return cooling MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 74 DHW switching 5024 °C differential DHW charging time 5030 limitation DHW discharging 5040 Automatically protection MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 75 DHW storage tank with 5092 precontr/primary pump DHW storage tank 5093 with solar MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 76 Heating circuit 1 5711 Cooling circuit 1 5712 Heating and cooling Mixing valve 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 77 Change to 80 °C 5956 Function value 2 H1 6014 Heat circuit 1 Function mixing valve MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 78 Sensor type flue gas 6101 temperature Measured value corr 6102 °C flue gas sensor (B8) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 79 6150 Water pressure 2 max ------- 6151 Water pressure 2 min ------- MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 80 Partial diagram heat circuit 2 Partial diagram heat circuit P Partial diagram buffer Partial diagram dhw MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 81 6620 System working area Summer/winter 6621 changeover Local automatic Operating mode 6623 Central changeover MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 82 1 Time stamp error 6800 01 January 2004 01:02 history entry 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 83 01 January 2004 01:02 history entry 9 Error code history 6817 10:Outside sensor error entry 9 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 84 7130 function 7140 Manual operation Outside temp 7150 ------- °C simulation 7170 Telephone customer MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 85 Contact state H2 Open 7870 Signal burner fault S3 Signal 1st burner 7881 stage E1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 86 8106 Priority producer 4 8107 Status producer 4 Not released 8108 Priority producer 5 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 87 Cascade supply 8138 temperature actual 23.1 °C value Cascade supply 8139 29.4 °C temperature setpoint MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 88 Flue gas temp max 8318 ------- °C actual value Burner hours run 8330 stage 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 89 Collector temp max 8548 ------- °C actual value 2 (B61) 8549 ------- °C Collector temp min MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 90 (K8) Status solar actuator ------- pool (K18) Status Solid fuel ------- boiler pump (Q10) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 91 Flow temp setpoint 8744 29.4 °C resulting HC1 State cooling circuit 8751 ------- pump 1 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 92 8800 ------- °C actual value HC3/P Room temperature 8801 setpoint current ------- °C HC3/P MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 93 °C Setpoint temperature 8901 ------- °C swimming pool Precontroller actual 8930 ------- °C value MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 94 9052 ------- relay (QX23 Modul 1) State multifunctional 9053 ------- relay (QX21 Modul 2) MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 95 State pump H1 (Q15) ------- State pump H2 (Q18) ------- ------- Status primary pump MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 96 State storage transfer ------- pump (Q11) State DHW stirring ------- pump (Q35) ------- DHW intermediate MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 97 ------- °C up HC2 Flooring plaster dry 1156 ------- up day HC2 MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 98 Status heating circuit Status heating circuit Status DHW Status boiler Status solar State solid fuel boiler MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 99 © MHG Heating Ltd Status buffer Status pool Clock time Telephone customer 7170 08456 448802 service MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

  • Page 100: Commissioning

    Please refer to the respective burner manual to ensure that the burner and boiler are commissioned correctly. A flue gas analyzer must be used to ensure that the correct combustion setting are achieved. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...

  • Page 101: Routine Inspection And Servicing

    Following the satisfactory completion of the above service procedure complete the required paperwork and leave the boiler as found if possible. MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk...
  • Page 102 © MHG Heating Ltd 15.0 Weather Compensation Slope Flow Sensor Curve MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 103 © MHG Heating Ltd Outside Air Sensor Curve MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

  • Page 104: Optional System Controls

    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 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk...

  • Page 105: Exploded Spares Diagrams

    © MHG Heating Ltd 17.0 Exploded Spares Diagram MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 106 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 107 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 108 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 109 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 110 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 111 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 112 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 113 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 114 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 115 © MHG Heating Ltd MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...
  • Page 116 © MHG Heating Ltd Notes MHG Heating Ltd, Unit 4 Epsom Downs Metro Centre, Waterfield, Tadworth, Surrey, KT20 5LR 0845 6448802 Telephone. 0845 6448803 Fax. Email info@mhgheating.co.uk Website www.mhgheating.co.uk 010612 Draft...

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