Sime ECOMFORT PLUS 25 HE Installation And Servicing Instructions
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Sime ECOMFORT PLUS 25 HE Installation And Servicing Instructions

Sime ECOMFORT PLUS 25 HE Installation And Servicing Instructions

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Summary of Contents for Sime ECOMFORT PLUS 25 HE

  • Page 1 ECOMFORT PLUS 25 HE Installation and servicing instructions...
  • Page 2 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 4: The Benchmark Scheme

    The Benchmark Scheme Sime Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimi- se safety, efficiency and performance.

  • Page 5: Table Of Contents

    Ecomfort Plus 25 HE: IPX4D Gas Council number 47-283-13 These appliances comply with the S.E.D.B.U.K. scheme, band “A” CONTENTS DESCRIPTION OF THE BOILER ............... . pag.
  • Page 6 Dealing with Condensate Five suitable drainage points 1. Internal drain stack pipe 2. Waste water pipe * 3. External drain or gully * 4. Rainwater hoppers that carry both rain water and foul water * 5. Purpose-made soakaways * Care should be taken not to contaminate any “Grey Water Systems” Pipework Condensate pipework should be plastic, same as used for standard wastewater plumbing.

  • Page 7: Description Of The Boiler

    The instructions given in this manual are “ECOMFORT PLUS 25 HE” is a boiler that The boiler is equipped as standard with provided to ensure proper installation and has a condensing heat exchanger down- frost protection and circulating pump anti- correct operation of the appliance.
  • Page 8 TECHNICAL FEATURES ECOMFORT PLUS 25 HE Heat output nominal (80-60°C) 25.0 Heat output nominal (50-30°C) 27.2 Heat output minimum (80-60°C) Heat output minimum (50-30°C) 10.2 Heat input nominal 25.5 Heat input minimum 10.2 Efficiency min./nom. output (80-60°C) 94.2/98.3 Efficiency min./nom. output (50-30°C) 100.0/106.8 Seasonal efficiency rating (SEDBUK) Termal efficiency (CEE 92/42 directive)
  • Page 9 FUNCTIONAL DIAGRAM 1 Post-condenser 17 Condensation water trap 2 Smoke stat 95° 18 Safety valve 3 Fan 19 Temperature/pressure gauge 4 Main exchanger 20 Boiler drain 5 SM sensor (thermister) 21 D.H.W. filter 6 Aqua Guard Filter System 23 D.H.W. inlet cock 7 Safety stat 100°...
  • Page 10 MAIN COMPONENTS 1 Water flow switch 2 Water trap 3 Safety stat 100° 4 Aqua Guard Filter System 5 Main exchanger 6 SM sensor (thermister) 7 Fan 8 Smoke stat 95° 9 Smoke pressure switch 10 Positive test point 11 Post-condenser 12 Combustion chamber 13 Ignition/ionization electrode 14 Burner...

  • Page 11: Installation

    INSTALLATION The boiler must be installed in a fixed loca- CONNECTING UP SYSTEM gas sufficient to cover the maximum tion and only by specialized and qualified per- demand, limiting pressure loss between the son in compliance with all instructions con- Before proceeding to connect up the boiler, gas meter and any apparatus being used to tained in this manual.
  • Page 12 2.3.2 Requirements for CHARACTERISTICS COAXIAL DUCT ø 60/100 sealed water systems OF FEEDWATER The air inlet-smoke outlet assembly, code The heating system design should be based – All recirculatory systems will be subject 8096250, is included in the standard sup- on the following information: to corrosion unless an appropriate ply of the appliance complete with mounting...
  • Page 13 maximum length of the piping should not POSITIONING THE OUTLET perimeter walls of the building. exceed 5.0 meter. When the vertical TERMINALS To provide some indications of possible solu- extension code 8086950 is used, the ter- tions, Table 3 gives the minimum distances minal part of the pipe must always come The outlet terminals for forced-draught to be observed, with reference to the type...
  • Page 14 Fig. 7 tacts. Respect the L and N polarities and the earth connection. NOTE: SIME declines all responsibility for injury or damage to persons, animals or property, resulting from the failure to pro- vide for proper earthing of the appliance.
  • Page 15 IMPORTANT Before performing any kind of operation, disconnect the unit from the power supply using the bipolar switch of the plant. Placing the boiler selector in position “OFF” does not disconnect the electric board from the power supply. ATTENTION: After having removed the three screws (9) tilt the panel downwards to gain access.
  • Page 16 2.9.3 ECOMFORT PLUS 25 HE wiring diagram 95 °C SMOKE STAT 100 °C SAFETY STAT WATER SENSOR JUMPERS TERMINAL BOARD NOTE: – The room thermostat may be connected to the terminals 15-16 (CN1) of the “TA” connector after having removed the link.

  • Page 17: Characteristics

    CHARACTERISTICS 3. 1 ELECTRONIC BOARD The electronic board is manufactured in Bi-colour green led off if power is cut-off. compliance with the 2006/95/CE low-vol- tage directives. It is supplied with 230V. Bi-colour orange led: C.H. sensor (SM) fault. The electronic components are guaranteed Green led flashing: fan/smoke pressure switch.
  • Page 18 ELECTRONIC IGNITION This may be due to a break in the wire of nes, blocking the operation of the burner if the electrode or to the wire not properly the boiler is without water due to the for- Ignition and flame detection is controlled by fastened to the ignition transformer ter- mation of air bubbles in the heat exchanger a sole electrode located on the burner.
  • Page 19 SMOKE PRESSURE ment connected to the pressure intake separate electrical line to which room ther- SWITCH (10-18 fig. 3). mostats with their local valves will be con- nected. The air pressure switch is factory set to Connect micro switches or relay contacts the values 42-52 Pa to guarantee boiler ELECTRICITY on terminals 15-16 of the “TA”...

  • Page 20: Use And Maintenance (Including Benchmark)

    (butane or propane), it is permit- ted to alter the operating pressure. Fig. 21 GAS CONVERSION This operation must be performed by authorised personnel using original Sime 1 Swivel connection 1/2” components. 2 Locknut 1/2” 3 Burner manifold 4 Washer ø 6. 1...
  • Page 21 clockwise will diminish it. – Adjust maximum pressure using the nut (3) with a wrench to the maximum pres- SIT 845 SIGMA HONEYWELL VK 4105M sure value indicated in Table 6. SIEMENS VGU 50 – Do not adjust minimum pressure until you have adjusted maximum pressure.
  • Page 22 4. 1 1 CHIMNEY SWEEP FUNCTION (fig. 23) Spia lampeggiante Bi-colour green/orange To carry out the verification of combustion verde/arancio in the boiler turn the selector and stop on flashing led the position ( ) until the green/orange led starts to flash intermittently. From that moment the boiler will start func- tioning in heating mode at the maximum power, with switching off at 80°C and...
  • Page 23 GAS BOILER SYSTEM COMMI S SIONING CH ECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights.

  • Page 24: Service Record

    SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.

  • Page 25: Fault Finding

    FAULT FINDING If an electrical fault occurs on the appliance SHORT CIRCUIT approx.: 240 V ac. the preliminary electrical system checks CHECK – Test leads from L to E “ ” meter reads must be carried out first. approx. 240 V ac. Switches turned FULL ON - meter set on Ω...
  • Page 26 C.H. MODE - FAULT FINDING Start from cold Rotary switch set to WINTER position. Room thermostat (if fitted) calling for heat and all D.H.W. taps off. C.H. thermostat set to maximum position. Clock in the on position (if fitted). Is there power Make Does Turn the clock...
  • Page 27 D.H.W. MODE - FAULT FINDING Start from cold - rotary switch set to SUMMER position, D.H.W. thermostat set to maximum, and all D.H.W. taps OFF. Is there power Make Does at the external power the fan socket? available start? Is fuses Is there voltage Clean or replace at mains...

  • Page 28: Replacement Of Parts

    REPLACEMENT OF PARTS Note: Use silicone grease to ease the fit- – Drain boiler using drain vent – Check for gas tightness. ting of any push fit connections. – Remove fan assembly as described in – Remove 4 screws and remove fan 6.
  • Page 29 – Remove the securing clip at retaining – Remove AAV – Isolate flow and return valves the plug at the LHS of diverter assembly – Replace in reverse order. – Remove boiler cover NOTE: a internal spring will push off the –...

  • Page 30: Exploded Views

    EXPLODED VIEWS COD. TYPE DATE PAGE 3830032/547 ECOMFORT PLUS HE 11.05.2009 Fonderie Sime S p A Via Garbo 27 37045 Legnago (VR) Tel +39 0442 631111 Fax +39 0442 631292 www sime it...

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