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

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Summary of Contents for Sime ECOMFORT SYSTEM 25 HE

  • Page 1 Ecomfort Installation and servicing instructions...

  • Page 2: Table Of Contents

    Ecomfort System 25 HE: Ecomfort 25 HE: IPX4D Gas Council number 41-283-04 Gas Council number 47-283-06 Ecomfort 30 HE: Ecomfort 35 HE: Gas Council number 47-719-25 Gas Council number 47-283-04 These appliances comply with the S.E.D.B.U.K. scheme, band “B” CONTENTS DESCRIPTION OF THE BOILER .

  • Page 3: Description Of The Boiler

    ECOMFORT 25-30 HE 70 70 70 70 ECOMFORT35 HE Fig. 1 70 70 70 70 TABLE 2 - Minimum clearances TABLE 1 - Connections “ECOMFORT SYSTEM 25 HE” R C.H. return 22 mm Compression For ventilation For servicing M C.H. flow...
  • Page 4 TECHNICAL FEATURES ECOMFORT SYSTEM 25 HE 25 HE 30 HE 35 HE Heat output nominal (80-60°C) 24.7 24.7 29. 1 33.5 Heat output nominal (50-30°C) 26.5 26.5 31.2 36.0 Heat output minimum (80-60°C) 12.7 12.5 Heat output minimum (50-30°C) 10.0 10.0 13.6 13.0...
  • Page 5 FUNCTIONAL DIAGRAM ECOMFORT SYSTEM 25 HE 1 Post-condenser 2 Smoke stat 95° 3 Fan 4 Main exchanger 5 SM sensor (thermister) 6 Aqua Guard Filter System 7 Safety stat 100° 8 Thermometer sensor 9 Gas valve 10 D.H.W. exchanger 11 Water flow switch...
  • Page 6 MAIN COMPONENTS ECOMFORT SYSTEM 25 HE WATER SENSOR ECOMFORT 25 - 30 - 35 HE 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°...

  • Page 7: Installation

    INSTALLATION The boiler must be installed in a fixed loca- 2.3. 1 Connection of condensation mulates within the system, risking dam- tion and only by specialized and qualified per- water trap age to pump and valves, boiler noise son in compliance with all instructions con- and circulation problems.
  • Page 8 2.5. 1 Coaxial flue diaphragm The boiler is normally supplied with ø 87.5 diaphragm (fig. 4/a). ONLY FOR “25 HE” MODEL ATTENTION: the diaphragm should be used only when the length of the coaxial duct is below 1 m (only for “25 HE” model).
  • Page 9 Only for “35 HE” model x + y = max 3 m max 3 m Coaxial duct kit code 8096253 2 a Extension L. 1000 code 8096171 2 b Extension L. 500 code 8096170 Adapter ø 80/125 code 8093150 4 a 90° additional bend code 8095870 4 b 45°...
  • Page 10 POSITIONING perimeter walls of the building. SEPARATE PIPES ø 80 THE OUTLET TERMINALS To provide some indications of possible solu- (Optional alternative twin tions, Table 3 gives the minimum distances pipe system) The outlet terminals for forced-draught to be observed, with reference to the type appliances may be located in the external of building shown in fig.
  • Page 11 0.55 Respect the L and N polarities and the Fig. 7 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 12 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 13 2.9.3 ECOMFORT SYSTEM 25 HE wiring diagram 95 °C SMOKE STAT 100 °C SAFETY STAT WATER SENSOR RELAY CN6 (cód. 6299987) CN2 (cód. 6299988) JUMPERS WHITE GREY CN7 (cód. 6299924) TERMINAL BOARD NOTE: – The room thermostat (TA) may be connected to the terminals 1.
  • Page 14 2.9.4 ECOMFORT 25 - 30 - 35 HE wiring diagram 95 °C SMOKE STAT 100 °C SAFETY STAT WATER SENSOR CN6 (cód. 6299923) CN2 (cód. 6299988) JUMPERS CN7 (cód. 6299924) 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 15: 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 EEC 73/23 low-volta- ge directives. It is supplied with 230V. The Bi-colour orange led: C.H. sensor (SM) fault. electronic components are guaranteed Green led flashing: fan/smoke pressure switch.
  • Page 16 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 17 SMOKE PRESSURE switch is measured using a special instru- separate electrical line to which room ther- SWITCH ment connected to the pressure intake mostats with their local valves will be con- (10-18 fig. 3). nected. The air pressure switch is factory set to Connect micro switches or relay contacts the values 42-52 Pa (“25 HE”...

  • Page 18: Use And Maintenance

    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 19 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 20 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 21: 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 contained in the British Gas Multimeter approx. 240 V ac. Switches turned FULL ON - meter set on Ω...
  • Page 22 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 23 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 24: Replacement Of Parts

    REPLACEMENT OF PARTS Note: Use silicone grease to ease the fit- – Drain boiler using drain vent – Check for gas soundness ting of any push fit connections. – Remove fan assembly as described in – Remove 4 screws and remove fan 6.
  • Page 25 – 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 26: Exploded Views

    EXPLODED VIEWS 7. 1 ECOMFORT SYSTEM 25 HE 3830017/388 ECOMFORT SYSTEM 25 HE 17.09.2007 COD. TYPE DATE PAGE...
  • Page 29 ECOMFORT 25-30-35 HE 3830008/394 ECOMFORT 25-30-35 HE 10.09.2007 COD. TYPE DATE PAGE...
  • Page 32 Sime Ltd Unit D2 Enterprise Way, Bradford Road, Bradford, West Yorkshire, BD10 8EW Tel. 0870 9911114 - Fax 0870 9911115 www.sime.ltd.uk - e-mail: enquiries@sime.ltd.uk...

  • Page 33: User Instructions

    PLEASE LEAVE THIS INSTRUCTION WITH THE USER Ecomfort 30 HE User instructions...
  • Page 35 CONTENTS OPERATING INSTRUCTIONS FOR THE USER 1. 1 INTRODUCTION ................. 2 APPLIANCE OPERATION OPERATING INSTRUCTIONS MINIMUM CLEARANCES .

  • Page 36: Introduction

    1. 1 INTRODUCTION extinguished pending the next demand for hot water. The Sime “ECOMFORT 30 HE” is a fully automatic, wall mounted, room sealed, fan assisted combination boiler. When OPERATING INSTRUCTIONS operating in winter mode, the appliance provides central heat- ing as required and produces instantaneous hot water upon 1.3.

  • Page 37: Minimum Clearances

    rotating the potentiometers (D - E) clockwise to increase servicing the appliance: or anticlockwise to decrease the temperature. For ventilation For servicing NOTE: when operating in winter mode, priority is auto- ABOVE THE APPLIANCE CASING 400 mm 300 mm matically given to providing hot water when the demand AT THE R.H.S.

  • Page 38: Safety

    1.6.2 Temperature/pressure gauge er. If it is known or suspected that a fault exists on the appli- ance it MUST NOT be used until the fault has been rectified The gauge (A fig. 1) on the facia panel indicates the approxi- by a competent person.
  • Page 39 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 40 Sime Ltd Unit D2 Enterprise Way, Bradford Road, Bradford, West Yorkshire, BD10 8EW Tel. 0870 9911114 - Fax 0870 9911115 www.sime.ltd.uk - e-mail: enquiries@sime.ltd.uk...

This manual is also suitable for:

Ecomfort 30 heEcomfort 35 heEcomfort system plus 25 heEcomfort plus 25 heEcomfort plus 30 he

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