Sime Murelle Pro HE 20 R Er User, Installation And Servicing Instructions
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Sime Murelle Pro HE 20 R Er User, Installation And Servicing Instructions

Sime Murelle Pro HE 20 R Er User, Installation And Servicing Instructions

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USER, INSTALLATION AND SERVICING INSTRUCTIONS
Models covered by these instructions
Murelle Pro HE 20 R ErP
(G20)
Murelle Pro HE 30 R ErP
(G20)
Condensing wall mounted boiler
ENSURE THAT THESE INSTRUCTIONS ARE LEFT FOR THE USER AFTER COMPLETION OF THE BENCHMARK SECTION
PLEASE READ THE IMPORTANT NOTICE WITHIN THIS GUIDE REGARDING YOUR BOILER WARRANTY
(41-283-51)
(41-283-52)

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  • Page 1 USER, INSTALLATION AND SERVICING INSTRUCTIONS Models covered by these instructions Murelle Pro HE 20 R ErP (41-283-51) (G20) Murelle Pro HE 30 R ErP (41-283-52) (G20) Condensing wall mounted boiler ENSURE THAT THESE INSTRUCTIONS ARE LEFT FOR THE USER AFTER COMPLETION OF THE BENCHMARK SECTION PLEASE READ THE IMPORTANT NOTICE WITHIN THIS GUIDE REGARDING YOUR BOILER WARRANTY...

  • Page 2: Safe Handling

    For the first year all of our appliances are protected by our manufacturer's guarantee which covers both parts and labour. As you would expect from Sime Ltd, it is our aim to provide our valued customers with the best in after sales and service. To take advantage of any extended warranty offered, all you have to do is to adhere to these 3 simple conditions: •...
  • Page 3 All descriptions and illustrations provided in this manual have been carefully prepared but we reserve the right to make changes and improvements in our products that may affect the accuracy of the information contained in this manual.

  • Page 5: The Benchmark Scheme

    – After having unpacked the boiler ensure that it is undamaged and complete including the valve pack, hanging bracket and template. – The appliance must be used as intended. Sime Ltd declines all responsible for any injury or damage to persons, animals,or property as a...
  • Page 6 – In the event of water leaks, disconnect the appliance from the mains power supply, close the water mains and seek help from a qualified engineer. – Periodically check that the operating pressure of the water heating system when cold is 1-1,2 bar. If required, increase the pressure or seek help from a qualified engineer (sealed systems).

  • Page 7: Table Of Contents

    In accordance with "Gas Appliances" Directive 2009/142/ EC, "Electromagnetic Compatibility" Directive 2004/108/ EC, "Boiler Efficiency" Directive 92/42/EC and "Low Voltage" Directive 2006/95/EC, the manufacturer Fonderie SIME S.p.A., via Garbo 27, 37045 Legnago (VR), DECLARES THAT the boiler models Murelle Pro HE R ErP comply with the European Directives.
  • Page 8 1 KNOBS The heating knob allows the user to set the flow temperature to between 20 and 80°C during normal operation. 2 FUNCTIONAL BUTTONS Press for more than one second and release to step through the operating modes (Stand-by – Summer – Winter).

  • Page 9: Preliminary Checks

    alarm (see section "Fault / malfunction codes". 4 (not Used On These Boilers) 1.2 PRELIMINARY CHECKS Prior to use the Murelle Pro HE R ErP boiler must be installed and commissioned by a Gas Safe Registered engineer. It may be necessary for the user to occasionally have to start the boiler, for instance after a holiday or after an interruption of the gas supply.

  • Page 10: Shutdown

    If this operation is not successful, ONLY ONE MORE ATTEMPT can be made, therefore: – close the gas cock – isolate the power supply – contact the Qualified Technical Personnel. CAUTION: The table with the fault codes and the corresponding description is provided in the specific section of the INSTALLATION AND SERVICING INSTRUCTIONS.

  • Page 11: External Cleaning

    5.1 CHARACTERISTICS Murelle Pro HE R ErP are condensing wall mounted boilers which Sime Ltd has produced for installation into domestic properties for system heating. The main design choices made by Sime Ltd for the Murelle Pro HE R ErP boilers are: –...
  • Page 12 Do not commission or operate the appliance with safety devices which do not work or which have been tampered with. WARNING: DANGER Safety device may only be replaced by professional qualified personnel using Sime Ltd original spare parts. 5.3 IDENTIFICATION The Murelle Pro HE R ErP boilers can be identified by means of:...
  • Page 13 CAUTION: Tampering with, removing or failing to display the identification plate or carrying out any other operation which does not allow safe identification of the product or which may hinder installation and maintenance operations. 5.4 STRUCTURE Fig. 6...

  • Page 14: Control Panel

    Heat exchanger bleed point Heat exchanger Combustion chamber door Air/gas duct Flame viewing window Ignition/detection electrode Safety thermostat (TS) Delivery sensor (SM) 10 Condensate siphon 11 Automatic by-pass 12 Control panel 13 Gas valve 14 System relief valve 15 Boiler drain 16 Pump 17 Water pressure switch 18 Automatic bleed valve...

  • Page 15: Technical Features

    25 Exhaust outlet 5.5 TECHNICAL FEATURES Murelle Pro HE R ErP DESCRIPTION CERTIFICATIONS Country of intended installation Fuel G20 - G31 PIN number (CE) 1312CP5936 Category II2H3P Type C13 - C33 Class NOx 5 (< 70 mg/kwh) HEATING PERFORMANCE (*) HEAT INPUT Nominal flow [Qn max] 20.0 30.0...

  • Page 16: Main Water Circuit

    Lower Heat Output (Hi) G20 Hi. 9.45 kW/m³ (15°C, 1013 mbar) - G31 Hi. 12.87 kW/kg (15°C, 1013 mbar) 5.6 MAIN WATER CIRCUIT Fig. 7 KEY: System flow System return Gas supply Sc Condensate outlet Safety valve outlet Condensing heat exchanger Combustion chamber Thermal safety thermostat (TS) Delivery sensor (SM)

  • Page 17: Expansion Vessel

    Examples of reading: TR=75°C → R=1925Ω TR=80°C → R=1669Ω. 0°C 1°C 2°C 3°C 4°C 5°C 6°C 7°C 8°C 9°C 0°C 27279 26135 25044 24004 23014 22069 21168 20309 19489 18706 10°C 17959 17245 16563 15912 15289 14694 14126 13582 13062 12565 20°C 12090 11634...

  • Page 18: Control Panel

    LED colour Status Trouble-shooting LED off No electrical power Permanently Green Normal operation "Transient safety shutdown" Anomaly in Red / Green Flashing progress Flashing Permanent safety shutdown For the "Any pump faults and possible solutions" see the relevant section at the end of the manual. 5.10 CONTROL PANEL Fig.

  • Page 19: Wiring Diagram

    NB: Pressing any one of these buttons for more than 30 seconds generates a fault on the display without preventing boiler operation. The warning disappears when the button is released. 1 DISPLAY "SUMMER". This function is NOT USED on these boilers.
  • Page 20 – Ensure that the special power cable is only replaced with a cable ordered as a spare part and connected by professionally qualified personnel – Connect the earth wire to an effective earthing system. Sime Ltd declines all responsible for any injury or damage to persons, animals,or property as a result of failure to provide adequate earthing of the appliance.

  • Page 21: Product Data Sheet

    DO NOT Do not use water pipes for earthing the appliance. 6 PRODUCT DATA SHEET Murelle PRO HE 20 R ErP 30 R ErP Classe efficienza energetica stagionale riscaldamento C.H. energy efficiency class Potenza termica (kW) Heat output (kW) Efficienza energetica stagionale riscaldamento (%) C.H.

  • Page 22: Installation

    Checks. 9.4.1 Checking the flue. 9.4.2 Checking the expansion vessel pressure 9.4.3 System Inhibiter concentration. Circuit Board Replacement. Possible faults and solutions. Any pump faults and possible solutions. EXPLODED VIEWS APPENDIX 1 (GUIDANCE HHIC) APPENDIX 2 7 INSTALLATION 7.1 RECEIVING THE PRODUCT Murelle Pro HE R ErP appliances are delivered in a single unit protected by cardboard packaging.

  • Page 23: Handling

    Murelle Pro HE Murelle Pro HE Description 20 R ErP 30 R ErP W (mm) D (mm) H (mm) Weight (kg) 27.5 7.3 HANDLING Once the packaging has been removed, the appliance is to be handled manually, tilting it slightly, lifting it and applying pressure in the points indicated in the figure.

  • Page 24: New Installation Or Installation Of A Replacement Appliance

    – Sime Ltd recommends only the use of FERNOX products for the flushing and final treatment of the system water. This is particularly important in hard water areas. Failure to flush and add inhibitor to the system may invalidate the appliance warranty. Artificially softened water must not be used to fill the heating system.

  • Page 25: Plumbing Connections

    For installation: – place the template on the wall (2), ensuring that it is level. mark the fixing holes – drill the holes (10mm), insert the expansion plugs (3) secure the bracket (1) to the wall – hook the boiler onto the pins (4) and secure it using the nuts and washers supplied. Fig.

  • Page 26: Plumbing Accessories (Optional)

    R - System return Ø 22 mm G - Gas cock connection Ø 15 mm Sc - Condensate outlet Ø 21.5 mm CAUTION: A sealed system must only be filled by a competent person (see section Method of filling a sealed system).

  • Page 27: Installation Of Coaxial Flues 60/100Mm - 80/125Mm

    Terminal position Minimum spacing Directly below an openable window, air vent or any 300 mm 12 in other ventilation opening Below guttering, drain pipes or soil pipes (**) 75 mm 3 in Below eaves, balconies or carport roof (*) 200 mm 8 in From vertical drain pipes or soil pipes 75 mm...

  • Page 28: Installation Of Separate Ducts 80Mm

    Terminal for roof exit L. 1285 code 8091212 (includes 8093150) Fig. 19 7.12.3 Installation Of Separate Ducts 80mm The boiler can be installed with separate air inlet and exhaust ducts. The figure below illustrate some examples of the fluing options allowed and the associated losses of the accessories.

  • Page 29: Electrical Connections And External Controls

    Murelle Pro HE 20 Murelle Pro HE 30 Load loss - mm Load loss - mm Inlet Exhaust Inlet Exhaust Air/smoke divider, code 8093050 90° bend, code 8077450 0.20 0.25 0.25 0.30 Extension 80mm L. 1000, code 0.15 0.15 0.20 0.20 8077351 Extension 80mm L.
  • Page 30 3 mm spacing between contacts, fused at 3 amps. If this cable needs to be replaced, an original spare must be requested from Sime Ltd (part code 6325602). The heating control of the boiler can be achieved by a 230V switched control to the 230V TA connection.
  • Page 31 – insert the connection wires through the grommet (8) and the opening (9) on the control panel – connect the component wires to the terminal board (10) Fig. 26 – place the rear cover of the control panel and secure it with the screw previously removed –...

  • Page 32: Heating Demand

    – that before any work is done on the boiler, the mains power is disconnected by setting the main system switch to "OFF". (*) Sime Ltd declines all responsible for any injury or damage to persons, animals,or property as a result of failure to provide adequate earthing of the appliance.

  • Page 33: Emptying Operations

    – remove the front plug (6) of the pump and use a screwdriver to check that the impeller is not jammed – replace the plug (6) Fig. 30 NOTE: NB: To completely remove all air from the system, it is recommended that this operation is repeated a number of times. Fig.

  • Page 34: Commissioning

    8 COMMISSIONING 8.1 PRELIMINARY OPERATIONS Before commissioning the appliance, check that: – the type of gas is correct for the appliance – the gas isolation valve is open – check that the system pressure as shown on the pressure gauge when the system is cold, is between 1 and 1.2 bar –...

  • Page 35: Parameter Setting And Display

    – as soon as the symbols begin to flash, release the buttons OK and + and press the button within 3 seconds – the "Automatic self-calibrating procedure" starts – ensure that there is a system heating demand and that the system valves are open –...

  • Page 36: List Of Parameters

    – once the required parameter has been reached, press the button OK for approximately 3 seconds to confirm and access the set value which will then flash and can then be modified – to modify the value in the permitted range, press the buttons + to increase it or - to decrease it –...

  • Page 37: Fault / Malfunction Codes

    -- = Disabled Maximum domestic hot water temperature 35 .. 67 °C Digital / analogue Pressure switch 0 = water pressure switch 1 = water pressure transducer (with ALL 0 .. 2 2 = water pressure transducer (without ALL 09) Modulating Pump Speed -- = No modulation AU = Automatic 30 ..
  • Page 38 – go into "INFO" by pressing the buttons + and – at the same time for more than 3 seconds until "In" appears alternating with "0.0" (information number) and "25" (eg. value) From this point, the technician has 2 options: –...

  • Page 39: Checks

    Previous activated alarm/fault Previous activated alarm/fault Previous activated alarm/fault Previous activated alarm/fault Previous activated alarm/fault Previous activated alarm/fault 8.7 CHECKS 8.7.1 Chimney Sweep Function The chimney sweep function is used by the qualified maintenance technician to check the mains gas pressure, detect the combustion parameters and to measure the combustion efficiency.

  • Page 40: Gas Conversion

    – open the gas cock – power the boiler by setting the main switch to "ON" – press the button twice until "WINTER" mode has been selected – press and hold down the buttons OK and + at the same time for approximately 10 seconds until the message "Hi" appears on the display together with the flashing symbols >–...

  • Page 41: Heating Power Output Adjustment

    If changing the type of gas to be used, carry out the entire appliance "COMMISSIONING" phase. 8.9 HEATING POWER OUTPUT ADJUSTMENT To comply with Building regulations, the heating output must be set according to the requirements of the installed heating system. This is done by adjustment of "parameter 15"...
  • Page 42 – remove the screws (3) securing the control panel (4) – move the panel (4) upwards (a) but keeping it in the side guides (5) to the end of travel – bring it forwards and down (b) until it is horizontal Fig.

  • Page 43: Cleaning The Burner And The Combustion Chamber

    – Unscrew the four nuts (11) securing the combustion chamber door (12) – pull the fan-sleeve-door assembly (13) forwards and remove it. Fig. 39 CAUTION: Work carefully when removing the assembly (13) to prevent any damage occurring to the internal insulation of the combustion chamber and the door seal.

  • Page 44: Final Operations

    Fig. 40 9.3.4 Final Operations After having cleaned the combustion chamber and the burner: – remove any carbon residue – check that the seal and the insulation of the door (12) to the combustion chamber are undamaged. Replace if necessary –...
  • Page 45 List Of Malfunction/fault Alarms Type Fault Solution - Restore pressure Low water pressure in system - Check for any leaks in the system - Check connections Delivery sensor (SM) fault - Replace the sensor - Check the integrity of the electrode and check that it is not grounded No flame detection...

  • Page 46: Any Pump Faults And Possible Solutions

    Lockout due to flue (exhaust) - Check for blockage in flue blockage - Check circuit pressure Frequent relief valve intervention - Check expansion vessel - Check the diverter valve - Check that plate heat exchanger Limited production of domestic is clean hot water - Check domestic hot water circuit valve...
  • Page 47 2.1 Internal Termination: Wherever possible, the condensate drainage pipe should be terminated at a suitable internal foul water discharge point such as (a) an internal soil and vent stack or (b) an internal kitchen or bathroom waste pipe, washing machine waste pipe etc. A suitable permanent connection to the foul waste pipe should be used.
  • Page 48 Figure 1 – Connection of condensate drainage pipe to internal soil and vent stack Boiler Visible air break 75mm trap Visible air break and trap not required if there is a trap with a minimum condensate seal of 75 mm incorporated into the boiler Soil and vent stack Invert 450 mm minimum up to three storeys...
  • Page 49 Boiler Visible air break 75mm trap Visible air break and trap not required if there is a trap with a minimum condensate seal of 75 mm incorporated into the boiler. In this case the 100 mm is measured to the trap in the boiler. Sink, basin, bath or shower Open end of condensate drainage pipe direct into gully 25 mm min below grating but above water level;...
  • Page 50 Boiler Visible air break at plug-hole 75mm sink, basin, bath or shower waste trap Sink, basin, bath or shower with integral overflow Open end of condensate drainage pipe direct into gully 25 mm min below grating but above water level; end cut at 45° Minimum internal diameter 19 mm Pipe size transition Minimum internal diameter 30 mm...
  • Page 51 Condensate discharge from boiler. Condensate pump. Bisible air break at plug hole. Sink or basin with integrated overflow. 75mm sink waste trap. Figure 4 – Connection of condensate drainage pipe to external soil and vent stack Boiler Visible air break 75mm trap Visible air break and trap not required if there is a trap with a minimum condensate seal of 75 mm incorporated into the boiler.
  • Page 52 Condensate discharge pipe from boiler Pipe size transition point Water/weather proof insulation 43 mm 90° male/female bend External rain water pipe into foul water External air break Air gap 68 mm ø PVCu strap-on fitting Minimum internal diameter 19 mm Minimum internal diameter 30 mm End cut at 45°...
  • Page 53 Boiler Visible air break 38mm minimum trap Visible air break and trap not required if there is a trap with a minimum condensate seal of 38 mm incorporated into the boiler External length of pipe 3m maximum Open end of condensate drainage pipe direct into gully 25 mm min below grating but above water level;...
  • Page 54 Condensate discharge pipe from boiler Ground (this section of the condensate drainage pipe may be run either above or below ground level); End cut at 45° Diameter 100 mm minimum plastic tube Bottom of tube sealed Limestone chippings Two rows of three 12mm holes at 25 mm centres, 50 mm from bottom of tube and facing away from house Hole depth 400 mm minimum by 300 mm diameter Minimum internal diameter 19 mm...
  • Page 55 Sime Ltd 1a Blue Ridge Park Thunderhead Ridge Glasshoughton, Castleford, WF10 4UA Phone: 0845 9011114...
  • Page 56 Fax: 0845 9011115 www.sime.co.uk Email: enquiries@sime.co.uk...

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