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Sime Dewy 30 HE WM Installation And Servicing Instructions
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Sime Dewy 30 HE WM Installation And Servicing Instructions

Sime Dewy 30 HE WM Installation And Servicing Instructions

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PLEASE LEAVE THIS INSTRUCTION
WITH THE USER
GB
Dewy 30/50
HE WM
Installation and

servicing instructions

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Summary of Contents for Sime Dewy 30 HE WM

  • Page 1: Servicing Instructions

    PLEASE LEAVE THIS INSTRUCTION WITH THE USER Dewy 30/50 HE WM Installation and servicing instructions...
  • Page 2 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 4 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

    Dewy 30/50 HE WM: IPX4D Gas Council number 47-719-23 CONTENTS DESCRIPTION OF THE BOILER ..............pag. INSTALLATION .

  • Page 6: Description Of The Boiler

    DESCRIPTION OF THE BOILER 1. 1 INTRODUCTION microprocessor technology for function cation EN 483 - EN 625. They may be fuelled control and management. They comply with by natural gas (methane gas) or propane “DEWY 30/50 HE WM” with stainless the european directives 90/396/CEE, (G31).
  • Page 7 TECHNICAL FEATURES DEWY 30/50 HE WM Heat output nominal (80-60°C) kW (kcal/h) 29.2 (25, 1 12) Heat output nominal (50-30°C) kW (kcal/h) 32.2 (27,690) Heat output minimum (80-60°C) kW (kcal/h) 7.6 (6,540) Heat output minimum(50-30°C) kW (kcal/h) 8.4 (7,220) Nominal heat output kW (kcal/h) 30.0 (25,800) Minimum heat output...
  • Page 8 FUNCTIONAL DIAGRAM LEGEND 1 Fan 2 Air/gas mixer 3 Primary exchanger 4 Gas valve 5 40 litre hot water tank 6 Heating probe (SM) 7 100°C safety thermostat 8 Air bleed valve 9 Heating system circulator 10 Hot water circulator 11 Heating expansion tank 12 Hot water safety valve 13 Heating system safety valve...

  • Page 9: Installation

    INSTALLATION Where no specific instructions are given, the installation should be in accordance with the relevant recommendations in the current editions of the following British Standards and Codes of Practice: BS 5440-1, BS 5440-2, BS 5449, BS 5482 (propane installations), BS 5546, BS 6700, BS 6798, BS 6891, Institute of Gas Engi- neer document IGE/UP-7, BS 7074 (expan- Fig.
  • Page 10 Fit the two isolation valves (10) using the instructions are supplied with the prod- on the following information: gasket supplied (6). Fit the C.H. filling loop ucts, but for immediate information a) The available pump head is given in fig. 20. (13) in a suitable location between the C.H please contact GE Betz (0151 420 b) The burner starts when the C.H.
  • Page 11 away from any electrical components. 2.4.4 Expansion Vessel (C.H. only) volume can be determined by multiplying The connections to the expansion relief the volume in excess of that which can be valve and temperature and pressure relief C.H. EXPANSION VESSEL – The integral accommodated by the appliance by the fac- valve should not be used for any other pur- expansion vessel is pre-charged to a pres-...
  • Page 12 with a slope of at least 5 mm per metre to starts to flow from the tap close it, and then 8096250, is included in the standard sup- ensure drainage of condensation water. open and close each hot water tap in turn ply of the appliance complete with mounting The plastic pipes normally used for civil to ensure that all the air is removed from...
  • Page 13 (excluding the dou- First of all, assemble and wire the socket blers) and must not be greater than 13 NOTE: SIME declines all responsibility for (2), then insert the equipment which will mm H O. For head losses in the fittings, injury or damage to persons, animals or start-up as soon as it receives current.
  • Page 14 2. 1 0.4 Wiring diagram Logica Remote Control (optional cod. 8092204) EV1 Gas valve coil Ventilator board EV2 Gas valve coil Time programmer Ignition electrode Smoke stat Sensing electrode Tank pump 100°C safety stat Recirculation pump (if fitted) TPA Water pressure transducer Note: The room stat (TA) must be connected to the ter- Heating system pump minals 5-6...
  • Page 15 2. 1 1 LOGICA REMOTE CONTROL vious day. ne system with external contact or – Holiday programme: the programme is through a window contact. All the boiler's functions can be managed interrupted for the holiday period and – Anti-bacterial. by a optional digital multifunctional device automatically restarted on returning code 8092204 for the remote of the boi- home.
  • Page 16 Maximum limit of delivery The delivery temperature is limited to the maximum set value. temperature Variation of the maximum speed of the The increase per minute of the prescribed delivery temperature value sent delivery temperature in °C is limited to the imposed value. Activation of adaptation With the activation of the adaptation, the pre-set value transmitted to the boiler regulator is adapted to the effective heat need.
  • Page 17 Input function terminal 3-4 The freely programmable input (terminals 3-4) allows three different functions to be activated. The parameter has the following significance: 1 = If an external sensor is connected, the display will show the temperature of the external sensor ( _ _ = no sensor connected, function disabled). 2 = With an external contact, it is possible to switch-over to "reduced pre- set value of the ambient temperature".

  • Page 18: Characteristics

    CHARACTERISTICS 3. 1 ELECTRONIC BOARD – “POT. ACC.” trimmer (6 fig. 19) will set itself for about 1 minute at the Trimmer to vary the pressure level upon minimum modulation pressure, and will The electronic boards are manufactured in ignition (STEP), of the gas valve. then move to the heating pressure value compliance with the EEC 73/23 low-voltage According to the type of gas for which...
  • Page 19 1 Ignition electrode earth faston 3 Fuse (1,6 AT) 4 Fuse(0, 1 6 AT) 5 “ANN. RIT.” connector 6 “POT. ACC.” trimmer 7 Conector “MET-GPL” 8 D.H.W. potentiometer 9 Detector electrode faston 10 “POT. RISC.” trimmer 11 C.H. potentiometer 12 Selector CR/OFF/EST/INV/RESET 13 DIP SWITCH 14 Connector “Modureg Sel.”...
  • Page 20 In the boiler, only the gas to the burner is seen to open. After 10 sec. the war- ning light indicating equipment “lock- out” lights up. This may be due to a break in the wire of the electrode or to the wire not properly fastened to the electric terminal of the control box;...

  • Page 21: Use And Maintenance

    USE AND MAINTENANCE 4. 1 D.H.W. PRODUCTION The preparation of hot water is guaranteed by the glass storage tank unit with magne- sium anode for the protection of the boiler unit and inspection flange for its control and cleaning. The magnesium anode must be checked annually and substituted when it is worn.
  • Page 22 BOILER CALIBRATION GAS CONVERSION connections using soapy water or appropriate products. DO NOT USE NAKED FLAMES. – Close the gas cock. – Stick onto the casing panel the – Replace the injector (pos. 30) plate showing the relevant fee- and the relevant gasket (pos. ding gas.
  • Page 23 DISASSEMBLY OF EXPANSION VESSEL To disassemble the expansion vessel, pro- ceed as follows: – Make sure that the water has been emp- tied out of the boiler. – Unscrew the connection and the locknut. – Remove the expansion vessel. Before refilling the system, using a pressu- re gauge attached to the valve make sure that the expansion vessel is preloaded at a pressure of 0.8 to 1 bar.
  • Page 24 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 25 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 26 MAINS PRESSURE HOT WATER STORAGE SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the storage system 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 27 SERVICE RECORD It is recommended that your hot water 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 28: Replacement Of Parts

    REPLACEMENT OF PARTS 5. 1 DHW expansion vessel – Test for gas soundness. – Isolate gas supply – Remove boiler cover – Turn off power supply – Remove 2 screws securing control – Remove boiler cover Main heat exchanger panel –...
  • Page 29 – Remove sealed chamber cover – Protect wiring from any water lost 5.24 Ignition transformer – Remove auto air vent when removing water connections – Refit in reverse order – Isolate flow and return valves – Isolate boiler from power supply –...

  • Page 30: Exploded Views

    EXPLODED VIEWS 3830011/158 DEWY HE 30/50 WM 11. 1 0.2007 COD. TYPE DATE PAGE...
  • Page 31 3830011/158 DEWY HE 30/50 WM 11. 1 0.2007 COD. TYPE DATE PAGE...
  • Page 36 Sime Ltd 1a Blue Ridge Park Thunderhead Ridge Glasshoughton, Castleford, WF10 4UA Customer Service: 0870 9911114 Sales: 0870 9911116 Technical Support: 0870 9911117 Main Fax: 0870 9911115 www.sime.ltd.uk...

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Dewy 50 he wm