IDEAL Logic Combi 35 User Manual
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IDEAL Logic Combi 35 User Manual

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See also: Installation and Servicing
iNSTALLATioN
AND SERViciNg
Logic CombI
24 30 35
For Users Guide see reverse of book
For details of document amendments, refer to page 3
When replacing any part on this appliance, use only spare parts that you can be
assured conform to the safety and performance specification that we require.
Do not use reconditioned or copy parts that have not been clearly authorised by Ideal.
For the very latest copy of literature for specification and maintenance practices visit our
website www.idealboilers.com where you can download the relevant information in PDF format.
August 2014
UIN 210918 A01

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  • Page 1 Do not use reconditioned or copy parts that have not been clearly authorised by Ideal. For the very latest copy of literature for specification and maintenance practices visit our website www.idealboilers.com where you can download the relevant information in PDF format.
  • Page 2 Ideal Logic Combi - Installation and Servicing...
  • Page 3 The boiler will repeat the ignition sequence if a heat demand is present. DOCUMENT aMENDMENTs Relevant Installation changes implemented in this book from Mod Level ........a01 (Aug 14) Ideal Stelrad Group reserve the right to vary specification without notice Ideal Logic Combi - Installation and Servicing...
  • Page 4 C.V. of the gas (Btu/ft = An appliance designed for use on 2nd Family gas, Group H only. c. For m /h - multiply l/s by 3.6 Ideal Logic Combi - Installation and Servicing...

  • Page 5: Table Of Contents

    For all boilers: complete, sign & hand over to customer For assistance see Technical Helpline on the back page NOTE TO ThE INsTaLLER: COMpLETE ThE BENChMaRK COMMIssIONINg ChECKLIsT aND LEaVE ThEsE INsTRUCTIONs WITh appLIaNCE Ideal Logic Combi - Installation and Servicing...

  • Page 6: Safe Handling

    Avoid upper body/top heavy bending. • Always grip with the palm of the hand. • Use designated hand holds. • Keep load as close to the body as possible. • Always use assistance if required. Ideal Logic Combi - Installation and Servicing...

  • Page 7: Gas Safety Regulations

    • DHW Expansion Vessel Kit directly connected to these appliances unless covered by these Installation and Servicing Instructions or as otherwise • Pre-Piping Frame Kit recommended by Ideal stelrad group in writing. If in doubt • Condensate Pump Kit please enquire. • Security Bracket Kit Any direct connection of a control device not approved by Ideal stelrad group could invalidate the certification and the • PRV Wall Outlet Kit...

  • Page 8: Flue Installation

    1. The boiler MUST be installed so that the terminal is exposed Frame 1. In addition, sufficient space may be required to to external air. allow lifting access to the wall mounting plate. Ideal Logic Combi - Installation and Servicing...

  • Page 9: Thermostatic Radiator Valves

    It is a universal fitting to allow use of different brands of pipework. * Only one reduction down to 25mm is allowable per installation otherwise BS5440-1 2008 dimensions must be followed. Ideal Logic Combi - Installation and Servicing...
  • Page 10 Bottom clearance after installation can be reduced to 5mm. This must be obtained with an easily removable panel, to enable the consumer to view the system pressure gauge, and to provide the 100mm clearance required for servicing. Ideal Logic Combi - Installation and Servicing...
  • Page 11 Guidance on vessel sizing is given in Frame 2. 1.0 bar if the system is to be pre-pressurised. continued ..Ideal Logic Combi - Installation and Servicing...

  • Page 12: Water Treatment

    The application of any other treatment to this product softened water, however, is not permitted. may render the guarantee of Ideal stelrad group Ideal stelrad group recommend the use of Fernox Quantomat, Invalid. Sentinel Combiguard,Calmag CalPhos I scale reducing devices...
  • Page 13 Boiler Chip Card (BCC) MUST also be purchased for your specific boiler range and output. Check boiler serial letter code on data plate to obtain correct BCC. 302* BCC* Ideal Logic Combi - Installation and Servicing...
  • Page 14 Flow Valve Pack 1. Screw (x2) 2. Wallplug (x2) 3. Turret Clamp Screw (spare) Flow Valve Pack 1. Pipe CH Flow 2. Washer CH 3. Valve Flow (with gauge) continued ..Ideal Logic Combi - Installation and Servicing...

  • Page 15: Front Panel Removal

    Wall Seal (white) FRONT paNEL REMOVaL 1. Loosen the 2 screws retaining the front panel. 2. Pull the two spring clips downwards to disengage. 3. Pull the front panel forward and upwards to remove. Ideal Logic Combi - Installation and Servicing...

  • Page 16: Mounting The Boiler

    2. Lift the boiler onto the wall mounting plate (refer to the and the mounting bracket is level. Introduction section for safe handling advice), locating it over the two tabs. Example of fixing esp9496 Ideal Logic Combi - Installation and Servicing esp9497...
  • Page 17 Horizontal Flue Terminal (1000mm long) B Pack cut 75mm For Flue lengths between 658 & 708 use a horizontal Flue Terminal (1000mm long) B pack, cut 75mm off the end of the terminal section of the telescopic flue only. Ideal Logic Combi - Installation and Servicing...

  • Page 18: Installation And Servicing

    If using the 2000mm D Pack , the maximum usable length per extension is 1950mm If using the 500mm D Pack, the maximum usable length per extension is 450mm. Ideal Logic Combi - Installation and Servicing...
  • Page 19 4. Mark the inner tube 10mm longer than the outer tube around its circumference and cut following the mark to ensure its cut square. 5. Remove all burrs and place a light chamfer on the outer edge to aid assembly. Ideal Logic Combi - Installation and Servicing...
  • Page 20 6. Ensure all sample points are accessible and all sample plugs and caps are fitted. Retaining Clamp Lugs Sample points screw Flue Outlet A - Duct Assembly B - Flue Turret C - Turret Clamp D - Seal Flue Outlet Ideal Logic Combi - Installation and Servicing...
  • Page 21 Flue Seal Collar - Tile Roof UIN 203131 UIN 152258 Flue duct support Roof Flue Extension Duct UIN 211037 (500mm) Soffit Flue Kit UIN 203129 (1000mm) UIN 211067 UIN 211038 (2000mm) Flue duct support Ideal Logic Combi - Installation and Servicing...

  • Page 22: Flue Terminal Position

    Painted surface 300 mm elbow kit = 1m Below eaves or balcony 500 mm elbow kit = 0.6m Below velux windows 2000mm Above or side of velux windows 600mm Ideal Logic Combi - Installation and Servicing...
  • Page 23 7. Finally ensure the roof flashing plate is correctly sealed to the roof. Ideal Logic Combi - Installation and Servicing...
  • Page 24 Boilers without 75mm sealed condensate trap must be fitted with condensate trap must be fitted with a 75mm trap and visible air break a 75mm trap and visible air break continued ..Ideal Logic Combi - Installation and Servicing...
  • Page 25 75mm trap and visible air break ≥ 500 2 rows of three Ø12mm holes 25mm centres, 50mm from the bottom of the tube, facing away from the house Ideal Logic Combi - Installation and Servicing...
  • Page 26 Refer to Frame 1 for details of the position of the gas connection. For additional gas supply info refer to “Gas Supply” on page 8. Outlet CH Flow Supply Inlet Return Filling Loop Ideal Logic Combi - Installation and Servicing...
  • Page 27 Filling positions shown Top Up positions shown Filling Filling Plug Plug Loop Loop DHW Inlet DHW Inlet (Blue) (Blue) Filling Loop Filling Loop (Blue) (Blue) CH Return CH Return (Black) (Black) Ideal Logic Combi - Installation and Servicing...

  • Page 28: Electrical Connections

    3mm (1/8”) contact separation in both poles. The Wiring external to the boiler MUST be in accordance with the means of isolation must be accessible to the user after current I.E.E. (BS.7671) Wiring Regulations and any local installation. regulations. Ideal Logic Combi - Installation and Servicing...

  • Page 29: Internal Wiring

    6. Swing the control box back up into the operating condition and re-fit the front panel ensuring a good seal is made. Ideal offer 6 kits as follows: ROOM ThERMOsTaT (NO TIMER) - WIRINg (see individual kits for installation instructions) 1.

  • Page 30: External Electrical Controls

    Earths are not shown for clarity but must Note. If the boiler is installed in a garage it may be necessary to fit a pipe never be omitted. thermostat, preferably on the return pipework. Ideal Logic Combi - Installation and Servicing...

  • Page 31: Wiring Diagram

    INSTALLATION 30 WIRINg DIagRaM Ideal Logic Combi - Installation and Servicing...

  • Page 32: Ideal Logic Combi - Installation And Servicing

    Benchmark Checklist completed. A flow chart to assist is provided on page 65. aTTENTION ! IT Is a CONDITION OF ThE MaNUFaCTURERs WaRRaNTy ThaT ThE BENChMaRK COMMIssIONINg ChECKLIsT Is FULLy COMpLETED aND LEFT WITh ThE appLIaNCE Ideal Logic Combi - Installation and Servicing...

  • Page 33: Initial Lighting

    MUST NOT be prematurely interrupted by isolation of the 12. Ensure that with the boiler operating the dynamic gas pressure is mains electricity supply. able to obtain maximum output. Refer to Table 2. Ideal Logic Combi - Installation and Servicing...

  • Page 34: General Checks

    The display should read: 6. Check the correct operation of the timer (if fitted) and all other system controls. Operate each control separately and check that the main burner responds. Ideal Logic Combi - Installation and Servicing...

  • Page 35: Handing Over

    Emphasise that if a fault is indicated refer to “Fault Codes” in receive the full benefit of the warranty. the User Guide. 6. Explain and demonstrate the function of time and temperature controls, radiator valves etc., for the economic use of the system. Ideal Logic Combi - Installation and Servicing...

  • Page 36: Servicing Schedule

    Ensure all caps and seals been verified and the inlet gas pressure (and gas rate) have are re-fitted after use been verified, then contact Ideal. 11. Complete the service section in the Benchmark Commissioning Checklist. Ideal Logic Combi -...

  • Page 37: Fan/Venturi Assembly Removal/Cleaning

    4. Lift off fan and venturi assembly. 5. Undo the two M4 screws and release the nozzle assembly. 6. Inspect the injector for blockage or damage. 7. Inspect fan outlet sealing gasket and replace if necessary. Injector Ideal Logic Combi - Installation and Servicing...

  • Page 38: Burner Removal And Cleaning

    2. Disconnect the condensate drain pipe. 5. Re-assemble in reverse order. 3. Turn the siphon clockwise to disengage and lift to B When re-assembling ensure the trap is full of water. remove. Note. Keep siphon upright when removing Ideal Logic Combi - Installation and Servicing...

  • Page 39: Cleaning The Heat Exchanger

    9. Turn on the gas supply at the gas service cock. and clip. 10. Reconnect the electrical supply. 4. Reconnect the fan electrical leads. 5. Remove the sump cover and refit the lower flue manifold as shown. Ideal Logic Combi - Installation and Servicing...

  • Page 40: Replacement Of Components

    ‘o’ rings are in place 10. Check the operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 41 7. Fit the new burner, replacing any damaged or deteriorating sealing gasket. 8. Reassemble in reverse order. 9. Check the operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 42 Check dimensions as shown. 8. Reassemble in reverse order. 9. Check the operation of the boiler. Refer to Frames 32 & 33. a i g S t r Spark Gap 3.5mm Ideal Logic Combi - Installation and Servicing...
  • Page 43 6. Check operation of the boiler .Refer to Frames 32& 33 sealing washer are in place and reconnect gas and electrical connections. 8. Check operation of the boiler. Refer to Frames 32 & 33. Spark Generator Ideal Logic Combi - Installation and Servicing...
  • Page 44 7. When re-assembling ensure the trap is full of 4. Turn the siphon clockwise to disengage and lift water. to remove. 8. Check operation of the boiler. Refer to Frames Note. Keep siphon upright when removing. 32 & 33. Siphon Ideal Logic Combi - Installation and Servicing...
  • Page 45 5. Reassemble in reverse order. 6. Check operation of the boiler. Refer to Frames 32 & 33. Potentiometer spindle Control Knobs (to be in vertical position) Ideal Logic Combi - Installation and Servicing...

  • Page 46: Draining The Boiler

    3. Unscrew the pressure gauge and discard. 4. Fit new pressure gauge, using suitable jointing compound. 5. Refill the boiler. Refer to Frame 24. 6. Check operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 47 4. Using a pair of pliers, pull out the plastic filter/flow regulator. 5. Clean or replace filter as necessary. 6. Reassemble in reverse order. 7. Refill the boiler. 8. Check operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...

  • Page 48: Pump

    Note. Ensure that the depressions are on the bottom prior to fitting. 8. Reassemble in reverse order. 9. Refill the boiler. Refer to Frame 24. 10. Check operation of the boiler. Refer to Frame 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 49 5. Fit the new thermistor using the sealing washer provided. 6. Reassemble in the reverse order. 7. Refill the boiler. Refer to Frame 24. 8. Check the operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 50 20. Check operation of the boiler. Refer to Frames 32 & 33. 11. Undo the pump union nut and remove pipe. 12. Remove the two retaining spring clips and remove pipes. Shown as 180º position Ideal Logic Combi - Installation and Servicing...
  • Page 51 5. Reassemble in reverse order. 6. Check operation of the boiler. Refer to Frames 32 & 33. Note. Ensure that the boiler front panel is correctly sealed, compressing the seal to make an airtight joint. Ideal Logic Combi - Installation and Servicing...

  • Page 52: Fault Finding

    **If PCB replaced as a spare ensure that the BCC (boiler chip card - small plastic part) is fitted to the PCB otherwise replace PCB. REsET pROCEDURE - To restart boiler, turn mode knob to restart position and immediately turn knob back to required setting. Ideal Logic Combi - Installation and Servicing...
  • Page 53 In general terms a reading greater than 150V indicates that the correct voltage is supplied to the gas valve. REsET pROCEDURE - To restart boiler, turn mode knob to restart position and immediately turn knob back to required setting. Ideal Logic Combi - Installation and Servicing...

  • Page 54: Alternating L/6 False Flame Lockout

    In general terms a reading greater Replace Gas Valve drain pipe work for blockage and than 150V indicates that the correct voltage rectify if necessary. Boiler now is supplied to the gas valve. working OK? Ideal Logic Combi - Installation and Servicing...
  • Page 55 2,400 - 2,600 Ohms At 85 expect 1,000 - 1,100 Ohms Is the Thermistor value correct? Is there continuity between the PCB and the Thermistor? Check and replace wiring as necessary Replace PCB Ideal Logic Combi - Installation and Servicing...
  • Page 56 After switching power on and ‘c0’ being shown, Replace PCB press restart. Is ‘c2’ still shown? REsET pROCEDURE - To restart boiler, turn mode knob to restart position and immediately turn knob back to required setting. Ideal Logic Combi - Installation and Servicing...
  • Page 57 There is no Voltage from the Timer/Room Stat. This Is there 230Vac at (A)? is not boiler fault. Ensure Voltage is supplied to boiler by rectifying external wiring. Replace the Divertor Valve Motor Ideal Logic Combi - Installation and Servicing...
  • Page 58 Is the ribbon cable from the main PCB to the User Connect the ribbon from the main PCB to the User Interface PCB connected securely? Interface PCB securely Replace the Is ribbon cable damaged? User Interface Replace ribbon cable Ideal Logic Combi - Installation and Servicing...

  • Page 59: Spare Parts Info

    When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal. Failure to do so could affect safety or performance of this appliance.
  • Page 61 Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the manufacturers instructions and the data fields on the commissioning checklist completed in full. To instigate the boiler guarantee the boiler needs to be registered with the manufacturer within one month of the installation.

  • Page 62: Gas Boiler System Commissioning Checklist

    GAS BOILER SYSTEM COMMISSIONING CHECKLIST 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. CONTROLS Programmable room thermostat Optimum start control...

  • Page 63: Service Record

    SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider SERVICE 01 SERVICE 02 ² % ² % ² % ² % (Where Possible) (Where Possible) Signature Signature SERVICE 03 SERVICE 04...
  • Page 64 4. “S” will be shown on the display and the boiler output will be reduced to minimum 5. The boiler will remain at minimum rate for 5 minutes before reverting to normal operation Ideal Logic Combi - Installation and Servicing...
  • Page 65 0.2%? sampling point. Allow readings to stabilise before recording. Turn off appliance and call Ideal Technical Helpline for advice The appliance must not be commissioned until problems are identified CO level less and resolved. If commissioning cannot be fully completed, the appliance than 350ppm AND CO/CO must be disconnected from the gas supply in accordance with GSIUR.
  • Page 66 Notes Ideal Logic Combi - Installation and Servicing...
  • Page 67 Notes Ideal Logic Combi - Installation and Servicing...
  • Page 68 & servicing of central heating systems FM 59915 Ideal, P.O. Box 103, National Ave, Kingston upon Hull, HU5 4jN. Telephone: 01482 492 251 Fax: 01482 448 858. Registration No. London 322 137. Ideal stelrad group pursues a policy of continuing improvement in the design and performance of its products.
  • Page 69 Do not use reconditioned or copy parts that have not been clearly authorised by Ideal. For the very latest copy of literature for specification and maintenance practices visit our website www.idealboilers.com where you can download the relevant information in PDF format.

  • Page 70: Introduction

    Benchmark Commissioning Checklist. You can check your installer by calling Gas Safe Register direct on 0800 4085500. Ideal stelrad group is a member of the Benchmark scheme and fully supports the aims of the programme. Benchmark has been introduced to improve the standards of installation and commissioning of central heating systems in the UK and to encourage the regular servicing of all central heating systems to ensure safety and efficiency.

  • Page 71: Boiler Operation

    The domestic hot water preheat will operate with the preheat knob (A) set to ‘preheat on’. Boiler Off Set the mode knob (D) to ‘boiler off’. The boiler mains power supply must be left on to enable frost protection (see Frost Protection). continued..Ideal Logic Combi - User’s...

  • Page 72: Efficient Heating System Operation

    6. Wait for the pressure gauge to reach 1 to 1.5 bar. 7. Once pressure is reached turn valves & back to the closed position. 8. Disconnect the filling loop, replace cap and plug. Note there can be some water spillage at this point. Ideal Logic Combi - User’s...

  • Page 73: Condensate Drain

    (C) to maximum, (Must return to original setting once cold spell is over). Place the heating on continuous and turn the room thermostat down to 15ºC overnight or when unoccupied. (Return to normal after cold spell). Ideal Logic Combi - User’s...

  • Page 74: Points For The Boiler User

    See boiler “Fault Codes” section. If ‘0’ is displayed then Does the boiler operate and contact Ideal Customer Services See boiler “Operation Modes” provide central heating? Helpline if your appliance is and “Fault Codes” section...

  • Page 75: Normal Operation Display Codes

    The boiler is operating in frost protection. FOR aNy qUERIEs pLEasE RINg ThE IDEaL CONsUMER hELpLINE : 01482 498660 NOTE. BOILER REsTaRT pROCEDURE - To restart boiler, turn mode knob to “restart” position and immediately turn knob back to required setting.

  • Page 76: Fault Codes

    DIspLay CODE ON BOILER BCC Activation Fault Restart the appliance - if the boiler fails to operate then please contact Ideal (if under warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty period. In IE contact a Registered Gas Installer (RGII).

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