IDEAL LOGIC+ Combi 24 Installation And Servicing Download

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INSTALLATION

AND SERVICING

LOGIC

Combi

24, 30, 35

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.idealheating.com where you can download the relevant information in PDF format.

For users guide see reverse of book

August 2011
UIN 204626 A08

204626-8.indd 1

25/08/2011 13:15:19

Summary of Contents for LOGIC+ Combi 24

Page 1: ...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 specificat...

Page 2: ...2 Ideal Logic Combi Installation and Servicing...

Page 3: ...ement ref to compression joint Page 34 Frame 39 General Checks Domestic Hot Water DHW Mode removal of item 1 Central Heating CH Domestic Hot Water DHW Mode update to item 1 Page 35 Frame 40 Reset Proc...

Page 4: ...n PMS Maximum operating pressure of water C13 C33 C53 A room sealed appliance designed for connection via ducts to a horizontal or vertical terminal which admits fresh air to the burner and discharges...

Page 5: ...bitor 12 Central heating mode Heat input to be calculated For assistance see Technical Helpline on the back page Page Burner operating pressure n a Central heating flow temp measure and record Central...

Page 6: ...nly occurs if pre heat knob is in the ON period When there is a demand for CH the heating system is supplied at the selected temperature of between 45o C and 80o C until DHW is drawn off The full outp...

Page 7: ...s are given reference should be made to the relevant British Standard Code of Practice In IE the installation must be carried out by a Registered Gas Installer RGII and installed in accordance with th...

Page 8: ...1 The boiler MUST be installed so that the terminal is exposed to external air Location of boiler The boiler must be installed on a flat and vertical internal wall capable of adequately supporting the...

Page 9: ...l rooms should also be fitted with a room thermostat controlling the temperature in a space served by radiators not fitted with such a valve When thermostatic radiator valves are used the space heatin...

Page 10: ...movable panel to enable the consumer to view the system pressure gauge and to provide the 100mm clearance required for servicing wall thicknesses do not exceed 600mm 24 Where the space into which the...

Page 11: ...reason an additional vessel must be installed on the return to the boiler Guidance on vessel sizing is given in Frame 2 Notes a The method of filling refilling topping up or flushing sealed primary ho...

Page 12: ...ughly flushed For further information contact Fernox Manufacturing Co Ltd Cookson Electronics Forsyth Road Sheerwater Woking Surrey GU21 5RZ 44 0 1799 521133 Sentinel Performance Solutions The Heath B...

Page 13: ...9 117 106 203 106 107 135 105 111 231 112 228 229 303 304 116 115 219 301 401 218 307 324 108 314 506 BCC 217 Burner 218 Gasket Burner 219 Sump Clean Out Cover 223 Flue Manifold 224 Flue Manifold Top...

Page 14: ...alve Pack 1 Pipe Gas Inlet 2 Washer Gas blue 3 Gas Cock Filling Loop Pack 1 3 8 Top Hat Washer x2 2 Plastic Chain x2 3 3 8 Blanking Cap x1 4 Valve Dbl Check Filling Loop x1 5 3 8 Fibre Washer x2 6 3 8...

Page 15: ...ge 3 Pull the front panel forward and upwards to remove Pack B Contents Telescopic A Telescopic flue terminal B Flue turret C Rubber terminal wall seal D Screw E Sealing Tape F Wall Seal white D C F B...

Page 16: ...ame depth 45mm 10 DETERMINING THE FLUE LENGTH and flue packs required Note Maximum Flue lengths 24 9m horizontal flue 30 8M Horizontal flue 35 6m horizontal flue 24 30 35 7 5M ROOF FLUE 24 30 35 5m PR...

Page 17: ...of turret to outside wall Rear flue Side flue Extra packs Boiler dim X 155 dim L 197 required Size Up to 640 mm Up to 640 mm none 24 30 35 Up to 1590 mm Up to 1590 mm Pack D 1 off 24 30 35 Up to 2540...

Page 18: ...portant Ensure that during the cutting operation masonry falling outside of the building does not cause damage or personal injury 1 Cut the flue hole preferably with a 5 core boring tool ensuring that...

Page 19: ...f using the extension ducts go to Frame 18 b If the stand off Frame is used it is essential to add 45mm to X the measured wall thickness when marking the flue this will allow for the fitted Frame 1 Me...

Page 20: ...Frame 10 3 Add 115mm to dimension L and set telescopic flue length as indicated in drawing 4 Using a 3 5mm drill bit drill one hole in outer air duct taking care not to pierce plastic inner flue 5 Fix...

Page 21: ...If the telescopic flue terminal is used it is not always necessary to cut an extension pack 1 Measure the total flue length L from the centre of the boiler outlet to the outside wall 2 Subtract 65mm...

Page 22: ...ced in any part of its length The boiler includes as standard a 75mm condensate trap The condensate trap also includes a siphon to reduce the possibility of freezing in the drain outlet If external co...

Page 23: ...vent stack Make connection to SVP using a solvent welded saddle BOILER External wall Ground Level Open end of pipe direct into gulley below grating but above water level DRAIN cla7775 4 Termination t...

Page 24: ...back to seal against outside wall face Push internal seal against internal wall 4 Ensure rubber flue seal is present fully engaged into plastic top flue manifold then locate the flue turret into the...

Page 25: ...st be made This is achieved by using either Flat roof weather collar or Universal weather collar Accessories Flue Duct Extension Kits are available for flue lengths extending beyond 1m These packs con...

Page 26: ...nal positions where this could cause a nuisance should be avoided Minimum dimensions are shown below rf8392 Terminal Position Minimum Dimension Directly below an opening air brick windows etc 300 mm B...

Page 27: ...b X 6 2 Fit the vertical connector supplied separately in accordance with the in the instructions provided with the vertical connector kit 3 Secure the vertical connector by applying downward pressure...

Page 28: ...e isolating valves to heat as the seals may be damaged Note that all isolation handles are shown in the open postion WATER CONNECTIONS CH 1 Connect the CH flow service valve black handle and copper ta...

Page 29: ...Room Thermostat 7 day kit Combined 7 day timer and room thermostat with wireless communication to receiver unit which fits into control box of the boiler Features English language installation help me...

Page 30: ...ROOM STAT TIMER Room Stat or Prog Room Stat Optional Frost Stat DIAGRAM A Internal Timer or Programmable Room Stat 3G9561 N L N FROST STAT OPTIONAL ROOM STAT TIMER Room Stat Optional Frost Stat DIAGRA...

Page 31: ...4 1 2 3 5 4 1 2 3 1 2 1 2 1 2 3 4 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 204626 9504c Water Pressure Sensor Water Flow Turbine Fan Flow Thermistor Return Thermistor Flame Sensor Electrode Spark Electrode...

Page 32: ...the gas type defined on the appliance data plate No measurement of the combustion is necessary Do not adjust the air gas ratio valve Having checked That the boiler has been installed in accordance wi...

Page 33: ...ck that the drain cock is closed and that the CH and DHW isolating valves L M and G are OPEN 4 Check that the electrical supply is OFF 5 Check that the boiler mode control knob D is off 6 Check that t...

Page 34: ...taps in turn and ensure that water flows freely from them The display should read neon flashing then neon steady when the burner lights 2 Close all taps except the furthest one from the boiler and che...

Page 35: ...lder to ensure the greatest possible fuel economy consistent with the household requirements of both heating and hot water consumption Advise the User of the precautions necessary to prevent damage to...

Page 36: ...DHW filter for blockage Refer to Frame 71 The cleaning procedures are covered more fully in Frames 44 48 and must be carried out in sequence Important 6 After completing the servicing or exchange of...

Page 37: ...suring the 4 control knobs line up with the holes in the front panel 5 Re tighten the two retaining screws 44 fan and venturi assembly removal and cleaning 1 Disconnect the electrical leads from the f...

Page 38: ...The burner head is a ceramic plaque construction Care must be taken to ensure that the burner is not placed down upon its face as this may cause damage to the ceramic 6 Brush off any deposits that may...

Page 39: ...7 Check that the ignition and detection gaps are correct Refer to Frames 54 55 1 Ignition Electrode Flame Detection Reassemble the boiler in the following order 1 Ensure that the condensate trap siph...

Page 40: ...ame 62 THE BOILER MUST NOT BE OPERATED without THE FRONT PANEL FITTED 50 fan replacement 1 Refer to Frame 49 2 Disconnect the electrical leads from the fan 3 Undo the gas pipe union connection to the...

Page 41: ...ng that the new gas seal supplied is located correctly in the injector housing 10 Check operation of the boiler Refer to Frames 38 39 2 4 3 6 4 3 3 52 burner REPLACEMENT 5 5 6 1 See Frame 49 2 Refer t...

Page 42: ...hown 8 Reassemble in reverse order 9 Check the operation of the boiler Refer to Frames 38 39 53 return thermistor reNEWAL 1 Refer to Frame 49 2 Unclip the return thermistor from the return pipe and wi...

Page 43: ...e 4 Remove the 2 screws retaining the detection electrode 5 Remove the electrode 6 Fit the new flame detection electrode using the new gasket supplied 7 Reassemble in reverse order 8 Check the operati...

Page 44: ...der 7 When re assembling ensure the trap is full of water 8 Check operation of the boiler Refer to Frames 38 39 3G9690 59 condensate trap Siphon replacement 3 2 Siphon 58 diverter valve actuator repla...

Page 45: ...eassemble in reverse order 10 Turn power back on to the boiler after a few moments the display will start alternating between c and 0 Turn the reset knob fully clockwise and when the display shows tur...

Page 46: ...refer to Frame 30 before proceeding to check operation of the boiler 5 Disconnect filling loop Refer to Frame 30 6 Check operation of the boiler Refer to Frames 38 39 204626 9692d Gas CH Return Fillin...

Page 47: ...s area by disconnecting the 22mm pipe connection at top of pump chamber and bottom of heat exchanger and remove pipe Refer to Frame 64 no s 5 6 7 5 The automatic air vent head is retained in the pump...

Page 48: ...ensuring the correct fit of the pin 10 Reassemble in reverse order 11 Refill the boiler Refer to Frame 30 12 Check operation of the boiler Refer to Frames 38 39 FRONT CARTRIDGE REAR CARTRIDGE 3 4 9 8...

Page 49: ...p housing and fit retaining clip 8 Reassemble in reverse order 9 Refill the boiler Refer to Frame 30 10 Check Operation of the boiler Refer to Frames 38 39 6 4 71 DHW Filter DHW Flow REGULATOR Cleanin...

Page 50: ...ts or seals if any sign of damage is evident When replacing the spring clips located on the return pipe connection ensure clip is oriented to correctly match connecting pipe diameters 17 Ensure the tr...

Page 51: ...CHARGING 1 Refer to Frame 49 2 Remove the charge point cover 3 Recharge the tank pressure to 0 75 bar 4 Re assemble in reverse order 5 Check operation of the boiler Refer to Frames 38 39 REPLACEMENT 6...

Page 52: ...FRAME 84 RETURN THERMISTOR FAULT GO TO FRAME 85 OUTSIDE SENSOR FAULT LOW MAINS VOLTAGE CONTACT ELECTRICITY PROVIDER PCB FAULT REPLACE PCB RESET BOILER No CH but HW OK No HW but CH OK No Display GO TO...

Page 53: ...fer to Frame 56 Are these functioning correctly yes Check ignition electrode and associated harness for continuity visual condition and position Refer to Frame 54 Are these functioning correctly NO Ch...

Page 54: ...uity between the terminals pins connected to the electrode YES Replace Flame Detection Electrode yes NO Check routing and integrity of internal boiler wiring 80 aLTERNATING F AND 1 Low Water Pressure...

Page 55: ...for continuity visual condition and position Refer to Frame 54 Are these functioning correctly yes Check siphon and condensate drain pipe work for blockage and rectify if necessary Boiler now working...

Page 56: ...Replace PCB Fit a new Thermistor no Check and replace wiring as necessary no 83 aLTERNATING F AND 4 Thermistor Fault Disconnect the wiring from the Flow Thermistor Check the resistance using a suitab...

Page 57: ...ct the wiring at the Terminal Block and the PCB Is the wiring securely connected at both the boiler and Outside Sensor yes no Securely connect the wiring at both the boiler and Outside Sensor no yes 8...

Page 58: ...on yes no Move the mode knob to the Winter position Are the Timer and the Room Thermostat switched on yes no Switch the Timer and Room Thermostat On Are the Radiator Valves Open yes no Open the Radiat...

Page 59: ...he red neon illuminated on the turbine sensor yes Are the flow rates correct as per Frame 2 Is the wiring between the PCB and the diverter valve motor connected yes yes Check diverter head fully engag...

Page 60: ...e Heat Exchanger 24 1 176544 Plate Heat Exchanger 30 1 176545 Plate Heat Exchanger 35 1 176546 127 Flow Sensor Hall Effect 1 175590 128 DHW Flow Turbine 24 1 175660 DHW Flow Turbine 30 1 175661 DHW Fl...

Page 61: ......

Page 62: ...hmark Commissioning Checklist will invalidate the warranty This does not affect he customer s statutory rights If yes and if required by the manufacturer has a water scale reducer been fitted If the c...

Page 63: ...Gas Safe Register Number Gas Safe Register Number Gas Safe Register Number Gas Safe Register Number Gas Safe Register Number Gas Safe Register Number Gas Safe Register Number Gas Safe Register Number...

Page 64: ...nical Training Centre offers a series of first class training courses for domestic commercial and industrial heating installers engineers and system specifiers For details of courses please ring 01482...

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