IDEAL LOGIC Combi 24 Installation And Servicing
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IDEAL LOGIC Combi 24 Installation And Servicing

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See also: Installation and Servicing , User Manual
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.
January 2014
UIN 204626 A12

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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 New updated Commissioning Checklist & Service Record Sheets Page 64 & 65 New pages added, Flowchart for CO Level and Combustion Ratio Check on Commissioning a Condensing Boiler. 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 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 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 • Condensate Pump Kit directly connected to these appliances unless covered by • Security Bracket Kit these Installation and Servicing Instructions or as otherwise recommended by Ideal stelrad group in writing. If in doubt • PRV Wall Outlet Kit please enquire. • Pressure Gauge Extension Kit Any direct connection of a control device not approved by Ideal stelrad group could invalidate the certification and the normal appliance warranty.

  • Page 8: Gas Supply

    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: Air Supply

    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. Gas Inlet 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: Domestic Hot Water

    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: Unpacking

    Accessory Pack 1. Screw (x2) 2. Wallplug (x2) 3. Turret Clamp Screw (x1) 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 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 Note; Telescopic flue B Pack or attached “D” pack extensions do not need to be cut between minimum and maximum values shown above (except where specified). Horizontal Flue Terminal (600mm long) B Pack flue will require cutting on values below maximum values shown in the table above. 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 Vertical connector elbow UIN 203132 UIN 152259 UIN 208175 UIN 203130 elbow UIN 203131 Flue Flue Seal Collar - Tile Roof duct UIN 152258 support Roof Flue Extension Duct UIN 203129 Flue duct support Ideal Logic Combi - Installation and Servicing...
  • Page 22 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: Condensate Drain

    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 Note that all isolation Safety Drain handles are shown in Valve the open postion. Black Handle Black Safety Valve Handle Filling Drain Connection Loop 15mm elbow or fittings Safety Valve (not supplied) Drain Pipe Ideal Logic Combi - Installation and Servicing...

  • Page 27: Electrical Connections

    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 4 kits as follows: ROOM ThERMOsTaT (NO TIMER) - WIRINg (see individual kits for installation instructions) 1.
  • Page 28 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 29 INSTALLATION 30 WIRINg DIagRaM Ideal Logic Combi - Installation and Servicing...

  • Page 30: Commissioning And Testing

    Benchmark Checklist completed. A flow chart to assist is provided on page 63. 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 31 12. Ensure that with the boiler operating the dynamic gas pressure is MUST NOT be prematurely interrupted by isolation of the able to obtain maximum output. Refer to Table 2. mains electricity supply. Ideal Logic Combi - Installation and Servicing...
  • Page 32 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 33: 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 34 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 35 3. Remove the extended nut on the fan mounting bracket. 4. Lift off fan and venturi assembly. 5. Inspect the injector for blockage or damage. 6. Inspect fan outlet sealing gasket and replace if necessary. Injector Ideal Logic Combi - Installation and Servicing...

  • Page 36: Burner Removal And Cleaning

    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 3G9690 Ideal Logic Combi - Installation and Servicing...

  • Page 37: Cleaning The Heat Exchanger

    9. Turn on the gas supply at the gas service cock. 4. Reconnect the fan electrical leads. 10. Reconnect the electrical supply. 5. Remove the sump cover and refit the lower flue manifold as shown. Ideal Logic Combi - Installation and Servicing...
  • Page 38 Refit the extended nut. 9. Reassemble the boiler in reverse order, taking care not to overtighten the screw on the fan mounting bracket. 10. Check the operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 39 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 40 Check dimensions as shown. 8. Reassemble in reverse order. 9. Check the operation of the boiler. Refer to Frames 32 & 33. a i g Spark Gap S t r 3.5mm Ideal Logic Combi - Installation and Servicing...
  • Page 41 6. Fit the new gas control valve ensuring the two sealing washers are in place and reconnect gas and electrical connections. 7. Check operation of the boiler. Refer to Frames 32 & 33. Spark Generator Ideal Logic Combi - Installation and Servicing...
  • Page 42 5. Clean siphon with water. 6. Re-assemble in reverse order. 7. When re-assembling ensure the trap is full of water. 8. Check operation of the boiler. Refer to Frames 32 & 33. Siphon 3G9690 Ideal Logic Combi - Installation and Servicing...
  • Page 43 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 44: Dhw Flow Turbine Sensor Replacement

    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. 3G9690 Ideal Logic Combi - Installation and Servicing...
  • Page 45 6. Fit the new turbine cartridge. 7. Refit the turbine flow sensor 8. Reassemble in reverse order. 9. Refill the boiler. Refer to Frame 24. 10. Check operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 46 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 47 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 48 10. Remove the 2 M5 screws retaining the gas valve mounting 18. Refill the boiler. Refer to Frame 24. bracket and transfer bracket to the new heat exchanger. 19. Check operation of the boiler. Refer to Frames 32 & 33. Ideal Logic Combi - Installation and Servicing...
  • Page 49 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 50: 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 reset boiler, turn mode knob to reset position and immediately turn knob back to required setting. Ideal Logic Combi - Installation and Servicing...
  • Page 51 In general terms a reading greater than 150V indicates that the correct voltage is supplied to the gas valve. REsET PROCEDURE - To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting. Ideal Logic Combi - Installation and Servicing...
  • Page 52 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 53 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 54 After switching power on and ‘c0’ being shown, Replace PCB press reset. Is ‘c2’ still shown? REsET PROCEDURE - To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting. Ideal Logic Combi - Installation and Servicing...
  • Page 55 Are the Radiator Valves Open? 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 Ideal Logic Combi - Installation and Servicing...
  • Page 56 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 57: Spare Parts

    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 59 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 60 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 61: 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 62 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 63 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 64 & 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 65: Users Guide

    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.

  • Page 66: Minimum Clearances

    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 67: Frost Protection

    ..BOILER COnTROLS Legend a. Pre-heat On/Off B. DHW Temperature Control C. CH Temperature Control D. Mode Control E. Boiler Status F. Burner ‘on’ Indicator g. Pressure Gauge h. Condensate Drain J. Economy Mode Ideal Logic Combi - User’s...
  • Page 68 The appliance should be serviced at least once a year by a Gas Safe Registered Engineer or in IE a Registered Gas Installer (RGII). continued ..Ideal Logic Combi - User’s...

  • Page 69: Troubleshooting

    See boiler “Operation Modes” section. If ‘0’ is displayed then provide central heating? and “Fault Codes” section contact Ideal Customer Services Helpline if your appliance is under warranty or a Gas Safe Check the time settings on the Registered Engineer, in IE a...
  • Page 70 The boiler is operating in central heating mode. The boiler is operating in hot water mode. The boiler is operating in pre heat mode. The boiler is operating in frost mode. continued ..Ideal Logic Combi - User’s...

  • Page 71: Fault Codes

    5 Boiler Resets in 15 minutes 1. Turn power off and on at the fused spur. 2. If the boiler fails to operate please contact Ideal (if under warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty period.
  • Page 72 Ideal Consumer Helpline Ideal stelrad group pursues a policy of continuing improvement in the design and performance of its products. The right is therefore reserved to vary specification without notice. Tel: 01482 498660 Ideal, P.O. Box 103, National Ave, Kingston Upon Hull, HU5 4JN.

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