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49

sERVICING

Ideal Logic Combi - 

Installation and Servicing

 

6

1. 

Refer to Frame 49.

2. 

Drain down the boiler.  Refer to Frame 62.

3.

  Unplug the electrical lead.

4. 

Unscrew the thermistor (to facilitate removal a 

13mm socket spanner should be used).

5.

  Fit the new thermistor using the sealing 

washer provided.

6.

  Reassemble in the reverse order.

7. 

Refill the boiler.  Refer to Frame 30.

8.

  Check the operation of the boiler. Refer to 

Frames 38 & 39.

72  FLOW ThERMIsTOR REPLaCEMENT

4

3

5

5

70  Ch WaTER PREssURE sENsOR REPLaCEMENT

1.

  Refer to Frame 49.

2. 

Drain the boiler.  Refer to Frame 62.

3. 

Remove condensate trap/siphon.  Refer to Frame 59.

4. 

Using a suitable tool pull out the retaining clip.

5. 

Pull the pressure sensor upwards to remove.

6.

  Unplug the electrical connection and transfer to the new 

pressure sensor.

7.

  Push the new pressure sensor onto the rear pump 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 CLEaNING / REPLaCEMENT

1.

  Refer to Frame 49.

2. 

Isolate the mains cold water supply to the boiler.

3. 

Drain the boiler DHW circuit.  Refer to frame 62.

4. 

Remove the DHW flow turbine cartridge.  Refer to Frame 66.

5. 

Unscrew the flow regulator housing.

6. 

Remove the filter.

7. 

Clean or replace filter as necessary.

8. 

Reassemble in reverse order.

9. 

Refill the boiler.  Refer to Frame 30.

10. 

Check Operation of the boiler.  Refer to Frames  38 & 39.

1.

  Refer to Frame 49.

2. 

Isolate the mains cold water supply to the boiler.

3. 

Drain the boiler DHW circuit.  Refer to Frame 62.

4. 

Remove the DHW flow turbine cartridge.  Refer to Frame 66.

5. 

Unscrew the flow regulator housing.

6. 

Inspect the flow regulator for any blockage and remove if 

necessary.

7. 

Reassemble in reverse order.

8. 

Refill the boiler.  Refer to Frame 30.

9. 

Check Operation of the boiler.  Refer to Frames 38 & 39.

s

ER

VICING

204626-8.indd   49

25/08/2011   13:16:19

Содержание LOGIC+ Combi 24

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 61: ......

Страница 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...

Страница 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...

Страница 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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