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Logic Combi Installation Guide

1. position Condensate Drain This appliance is fitted vvith a siphonic condensate trap system that reduces the risk of the appliance condensate from freezing Hovvever should the condensate pipe to this appliance freeze please follovv these instructions a f you do not feel competent to carry out the defrosting instructions belovv please call your local Gas Safe Registered installer for assistance b If you do feel competent to carry out the following instructions please do so with care when handling hot utensils Do not attempt to thaw pipework above ground level If this appliance develops a blockage in its condensate pipe its condensate will build up to a point where it will make a gurgling noise prior to locking out an L2 fault code If the appliance is reset it will make a gurgling noise prior to it locking out on a failed ignition L2 code To unblock a frozen condensate pipe 1 Follow the routing of the plastic pipe from its exit point on the appliance through its route to its termination point Locate the frozen blockage It is likely that the pipe is frozen at the most exposed point external to the building or where there is some obstruction to flow This could be at the open end of the pipe at a bend or elbow or where there is a dip in the pipe in which condensate can collect The location of the blockage should be identified as Closely as possible before taking further action 2 Appl
2. ratio less than 0 0040 Check CO and Combustion Ratio at Minimum Gas Rate With boiler set at minimum rate insert analyser probe into flue gas sampling point Allow readings to stabilise before recording Turn off Appliance and Call Ideal Technical Helpline The appliance must not be commissioned until problems are identified and resolved If commissioning cannot be fully completed the appliance must be disconnected from the gas supply in accordance with GS I amp U R NOTE Check and record CO level and combustion ratio at both maximum AND minimum rate before contacting Ideal CO level less han 350ppm AND CO CO ratio less than 0 0040 Yes Boiler is Operating Satisfactorily No further actions required Ensure test points are capped boiler case is correctly replaced and all other commissioning procedures are completed Complete Benchmark Checklist recording CO and combustion ratio readings as required Ideal Logic Combi Installation and Servicing 63 For additional fault finding advice please visit ldeal Boiler s vvebsite www idealboilers com Technical Training The Ideal Technical Training Centre offers a series of first class training courses for domestic commercial and industrial heating installers engineers and system specifiers pENCHINIGI iem poco COLLECTIVE MARK THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING A
3. Signature Signature Allinstallations in England and Wales must be notified to Local Authority Building Control LABC either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer Heating and Hotwater Industry Council HHIC penchmar THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS www centralheating co uk 62 FLOVVCHART FOR CO LEVEL AND COMBUSTION RATIO CHECK ON COMMISSIONING A CONDENSING BOILER Important Preliminary Information on Checks The air gas ratio valve is factory set and must not be adjusted DURING COMMISSIONING If the boiler requires conversion to operate with a different gas family e g conversion from natural gas to LPG sepa rate guidance is provided with the conversion kit supplied and this must be followed PRIOR TO CO LEVEL AND COMBUSTION RATIO CHECK The installation instructions must have been followed gas type verified and gas supply pressure gas rate checked as required prior to commissioning As part of the installation process ESPECIALLY WHERE A FLUE HAS BEEN FITTED BY PERSONS OTHER THAN THE BOILER INSTALLER visually check the integrity of the whole flue system to confirm that all components are correctly assembled fixed and supported Check that maximum flue lengths have not been exceeded and all guidance has been followed e g Gas Safe R
4. Telephone No Telephone No Gas safe register No Gas safe register No At max rate Record At min rate Where Possible At max rate CO Record At min rate Where Possible CO Comments Comments Signature SERVICE 05 Signature SERVICE 06 Engineer name Engineer name Company name Company name Telephone No Telephone No Gas safe register No Gas safe register No At max rate Record At min rate Where Possible At max rate Record At min rate Where Possible Comments Comments Signature SERVICE 07 Signature SERVICE 08 Engineer name Engineer name Company name Company name Telephone No Telephone No Gas safe register No Gas safe register No At max rate Record At min rate Where Possible At max rate Record At min rate Where Possible Comments Comments Signature SERVICE 09 Signature SERVICE 10 Engineer name Engineer name Company name Company name Telephone No Gas safe register No Telephone No Gas safe register No At max rate Record At min rate Where Possible Comments At max rate Record At min rate Where Possible Comments
5. Gas rate Burner operating pressure if applicable OR Gas inlet pressure Central heating flow temperature Central heating return temperature COMBINATION BOILERS ONLY Is the installation in a hard water area above 200ppm If yes and if required by the manufacturer has a water scale reducer been fitted What type of scale reducer has been fitted DOMESTIC HOT WATER MODE Measure and Record Gas rate OR ft hr Burner operating pressure at maximum rate OR Gas inlet pressure at maximum rate mbar Cold water inlet temperature Hot water has been checked at all outlets Temperature Water flow rate CONDENSING BOILERS ONLY The condensate drain has been installed in accordance with the manufacturer s instructions and or BS5546 BS6798 ALL INSTALLATIONS At max rate CO ppm CO COz Record the follovving At min rate where possible CO ppm CO COz The heating and hot vvater system complies vvith the appropriate Building Regulations The boiler and associated products have been installed and commissioned in accordance with the manufacturer s instructions The operation of the boiler and system controls have been demonstrated to and understood by the customer The manufacturer s literature including Benchmark Checklist and Service Record has been explained and left with the customer Commissioning Engineer s Signature
6. Check operation of the boiler Refer to Frames 32 amp 33 s 4 1 369690 44 Ideal Logic Combi Installation and Servicing SERVICING 59 SAFETY RELIEF VALVE RENEWAL Refer to Frame 43 Drain the boiler Refer to Frame 57 Remove the condensate trap siphon Refer to Frame 53 Remove expansion vessel Refer to Frame 69 Disconnect the electrical connection from the return thermistor Disconnect the 22mm pipe connection at the rear of the pump outlet Pull off the clip retaining the pipe to the heat exchanger swing the pipe to clear the pump and remove pipe Undo the safety valve union connection Withdraw the clip securing the safety valve Lift safety valve from boiler Fit the new safety valve and reassemble in reverse order ensuring the new o ring is fitted to the top of the return pipe Refill boiler Refer to Frame 24 Check operation of boiler Refer to Frames 32 amp 33 60 PUMP AUTOMATIC AIR VENT REPLACEMENT Refer to Frame 43 Drain the boiler Refer to Frame 57 Remove the expansion vessel Refer to Frame 69 Firstly increase access area by disconnecting the 22mm pipe connection at top of pump chamber and bottom of heat exchanger and remove pipe Refer to Frame 59 no s 5 6 amp 7 The automatic air vent head is retained in the pump body with a bayonet connection The air vent head and float assembly is removed by turning the head anti
7. Customer s Signature To confirm satisfactory demonstration and receipt of manufacturer s literature Allinstallations in England and Wales must be notified to Local Authority Building Control LABC either directly or through a CNCHIIGS Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Heating and Hotwater Industry Council HHIC www centralheating co uk SERVICE RECORD t is recommended that your heating system is serviced regularly and that the appropriate Service Interval 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 SERVICE 02 Always use the manufacturer s specified spare part when replacing controls SERVICE 01 pe Engineer name Engineer name Company name Company name Telephone No Telephone No Gas safe register No Gas safe register No At max rate Record At min rate Where Possible At max rate Record At min rate Where Possible CO Comments Comments Signature SERVICE 03 Signature SERVICE 04 Engineer name Engineer name Company name Company name
8. GENERAL INTRODUCTION The Logic Combi range of boilers are wall mounted full sequence automatic spark ignition low water content fanned flue high efficiency condensing combination gas boilers Note Due to the high efficiency of the boiler a plume of water vapour will form at the terminal during operation Central heating CH output is fully modulating with a range of 24 4 8 to 24 2kW 16 500 to 82 600 Btu h 30 6 1 to 24 2kW 20 700 to 82 600 Btu h 35 7 1 to 24 2kW 24 100 to 82 600 Btu h Instantaneous domestic hot water DHW output is also fully modulating with a maximum of 24 24 2kVV 82 600 Btu h 30 30 3kVV 103 300 Btu h 35 35 3kW 120 500 Btu h The boller is supplied fully assembled vvith DHVV plate heat exchanger diverter valve circulating pump pressure gauge safety valve and CH expansion vessel Variable CH and DHVV temperature controls are fitted on the user control and the boiler features a DHW preheat facility The boiler includes as standard Automatic bypass Boiler frost protection Daily pump and diverter valve exercise The boiler casing is of white painted mild steel The boiler temperature controls are visible located in the control panel on the front of the boiler The heat exchanger is manufactured from cast aluminium The boiler is suitable for connection to fully pumped sealed heating systems ONLY Adequate arrangements for completely draining the system by provision
9. 5 0 6 0 Max 35kVV e 7 0 8 0 Max 30kW 4 305 4 b 9 0 Max 24kVV Distance in metres from edge of turret to side wall Dimension 1 Dimension must remain inside the Maximum flue length requirement for the designated output of the applaince been installed 2 For flue lengths requiring D pack extentions the flue must incline by 26mm per 1 Metre of flue length No flue length greater that the maximum flue length shown above should be exceeded 10 Ideal Logic Combi Installation and Servicing GENERAL 2 SYSTEM REQUIREMENTS Central Heating Safety valve setting Notes a The method of filling refilling topping up or flushing sealed Vessel charge pressure primary hot water circuits from the mains via a temporary hose connection is only allowed if acceptable to the local water authority bar 0 5 to 0 75 System pre charge pressure bar System volume Expansion vessel litres olume litres b Antifreeze fluid corrosion and scale inhibitor fluids suitable for I 77 use with boilers having aluminium heat exchangers may be used 25 in the central heating system 50 75 100 125 150 175 190 General 200 1 The installation must comply with all relevant national and local 250 3 regulations The installation should be designed to work with flow temperatures of up to 86 C All components of the system must be suitable for a working pressure of 3 bar and temperature of 110 C Extra care should b
10. 10 Ensure the seam and the outlet terminal are at the top and fitted as shown Note If ess than 50 of the length of the flue is internal the flue should be fitted from outside A Wall Seal Lip Terminal Fig 1 MUST be fitted as Terminal Lip shown IE Rubber Location Location Terminal mark 2 mark 1 Wall Seal over step on plastic nose of flue terminal note seal is cut away for clarity il Ensure lip of vvall seal is positioned H FITTING THE TURRET Ensure the rubber seal is fitted correctly on the appliance manifold and that all flue seals are undamaged Hold the flue firmly and push the turret on until it has travelled 30mm on to the flue pipe and is fully engaged Make sure the flue has not rotated or moved forward during fitting and the flue seam is upper most Push the turret into the manifold ensuring the upper plastic lip is flush with the top of the manifold Fully engage the clamp location section into the manifold location holes Rotate down on to turret flange Secure clamp to appliance using securing screw Ensure all sample points are accessible and all sample plugs and caps are fitted Clamp Lugs Duct Assembly Flue Turret Turret Clamp Flue Outlet Ideal Logic Combi Installation and Servicing INSTALLATION 18 FITTING THE OPTIONAL ROOF FLUE K T Flat or Pitched Note A flat or pitched roof flashing plate not supplie
11. u i 2 N He 2 3G9690 Ideal Logic Combi Installation and Servicing SERVICING 41 CLEANING THE HEAT EXCHANGER Note Ensure the condensate trap siphon is fully drained before cleaning Refer to Ignition Electrode Flame Detection Frame 53 Remove ignition and flame detection electrodes Refer to Frames 48 amp 49 t is advisable to replace the sump cover prior to the vvater flush process Thoroughly flush the heat exchanger by pouring water into the top of the combustion chamber ensuring the full top area is covered Remove the sump cover and clean loose deposits from the sump Inspect the ignition and detection electrodes Ensure that they are clean and in good condition replace if necessary Re fit the ignition and flame detection electrodes ensuring that both earth tabs are fitted to ignition electrode Check that the ignition and detection gaps are correct Refer to Frames 48 amp 49 42 REASSEMBLY Reassemble the boiler in the following order Ensure that the condensate trap siphon is full of water 6 Refit the sump cover Refit the burner ensuring the sealing gasket is correctly 7 Refit the boiler front panel positioned and free from damage tighten the 4 fixing screws in the sequence shown below IMPORTANT Ensure that the boiler front panel is correctly fitted and that a good seal is made Refit the fan venturi assembly ensuring the retaining tabs are
12. Recetthe boier does Boiler WokOK YES Check routing and integrity of internal boiler wiring is OK Check l condition of Flame Sense Electrode and replace if deteriorated No YES Replace Flame Detection Electrode Separate the flame detection electrode in line connector s there 7 o continuity between the terminals pins connected to the electrode NO Check routing and integrity of internal boiler wiring RESET PROCEDURE To reset boiler turn mode knob to reset position and immediately turn knob back to required setting 75 ALTERNATING F AND 1 LOW WATER PRESSURE NO Fill and vent the system and open all isolation valves YES NO Re fit connections Are connections on water pressure sensor secure YES Replace water pressure sensor Are the Boiler and CH System filled with water and all isolation and radiator valves open check pressure gauge is between 1 to 1 5 bar 76 ALTERNATING F AND 2 FLAME LOSS Does the boiler ignite for a short Is the Gas Pressure available at Check gas supply and time and then extinguish the Boiler Inlet 18 mbar rectify fault Is 215Vdc supply available at the Check wiring from gas Check the detection electrode and Gas Valve while the flame is on valve to PCB for continuity associated harness for continuity See note If the wiring is OK then visual condition and position Refer replace the PCB to Frame 49 Check if condensate pipe is blocked Ch
13. o Boilers without 75mm sealed condensate trap must be fitted with a 75mm trap and visible air break continued Ideal Logic Combi Installation and Servicing INSTALLATION 23 CONDENSATE DRAIN CONT D Figure 3 Connection of a Condensate Pump Typical Method see manufacturers detailed instructions Visible air break Boiler with 75mm sealed condensate trap Min 19mm Internal pipe Condensate pump Install in accordance with manufacturers instructions Figure 5 Connection of a Condensate Drainage Pipe to an External Rainwater Downpipe only combined foul rainwater drain Boiler with 75mm sealed condensate trap weather proof Min 19mm insulation Internal pipe Min 30mm Internal pipe Terminated and cut at 45 43mm 90 male female bend combined foul rain water drain External air break Air gap 68mm PVCU Strap on fitting Figure 7 Connection of a Condensate Drainage Pipe to an External Purpose Made Soak Away Boiler with 75mm sealed condensate trap Min 30mm Water Weather Internal pipe Min 19mm Internal pipe Yo roof insulation Boilers without 75mm sealed condensate trap must be fitted with a 75mm trap and visible air break 2 rows of three 12mm holes 25mm centres 50mm from the bottom of the tube facing away from the house Limestone chippings Ideal Logic Combi Installation and Servicing
14. J RESET PROCEDURE To reset boiler turn mode knob to reset position and immediately turn knob back to required setting 50 Ideal Logic Combi Installation and Servicing FAULT FINDING 72 ALTERNATING L AND 1 FLOW TEMPERATURE OVERHEAT LOCKOUT Is the Boiler and CH System filled with water and all isolation and radiator valves open Is the Flow Return Differential across the Boiler in Fill and vent the system and open all isolation valves then reset boiler Check that the Pump is rotating freely Is excess of 30 C the Differential now below 20 C Check the Return Thermistors Refer to Frame 47 Replace the Pump OK now l reset boiler Check resistance using a suitable multimeter then reset boiler connected across the thermistor s terminal pins At25 C expect 9 700 10 300 Ohms At60 C expect 2 400 2 600 Ohms At85 C expect 1 000 1 100 Ohms RESET PROCEDURE To reset boiler turn mode knob to reset position and immediately turn knob back to required setting 73 ALTERNATING L AND 2 IGNITION LOCKOUT Is the Gas Pressure available at the Boiler Inlet gt 18 mbar Check gas supply and rectify fault If the boiler is reset does the boiler ignite for a short time and then extinguish YES NO Check wiring connection from gas valve to PCB for continuity If the wiring is Is 215Vdc supply available at the Gas Valve See note OK the
15. Refer to Frame 37 3 Swing the control box down into the servicing position Refer to Frame 50 4 Route incoming cables through the grommets in bottom panel note grommets are blind and will require puncturing and secure using clamps and screws provided in hardware pack 5 Connect wires to terminal block see instructions opposite 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 see individual kits for installation instructions Mechanical Timer 24 hr Kit 24 hour mechanical CH timer fits into the control box of the boiler This can be fitted in conjunction with a room thermostat Electronic Timer 7 day kit 7 day electronic CH timer fits into the control box of the boiler This can be fitted in conjunction with a room thermostat Features English language installation help messages RF Mechanical Programmable Room Thermostat 24 hr kit Combined 24 hour mechanical timer and room thermostat with wireless communication to receiver unit which fits into control box of the boiler RF Electronic Programmable 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 messages Also OpenTherm Control for gas consumption saving Ideal Logic Combi Installation and Ser
16. installation and maintenance of gas fired boilers of rated input not exceeding 70kW net advises that person carrying out a combustion measurement should have been assessed as competent in the use of a flue gas analyser and the interpretation of the results The flue gas analyser used should be one meeting the requirements of BS7927 or BS EN50379 3 and be calibrated in accordance with the analyser manufacturers requirements and Competence can be demonstrated by satisfactory completion of the CPA1 ACS assessment which covers the use of electronic portable combustion gas analysers in accordance with BS7967 Parts 1 to 4 Ensure all caps and seals are re fitted after use Ideal Logic Combi Installation and Servicing SERVICING 37 BOILER FRONT PANEL REMOVAL REPLACEMENT REMOVAL 1 Loosen the two screws retaining the front panel 2 Pull the two spring clips down to disengage and pull panel forward and upward and remove REPLACEMENT Hook the panel onto the top retaining clips Push the panel until the 2 bottom spring clips engage ensuring the 4 control knobs line up with the holes in the front panel Re tighten the two retaining screws view from bottom of boiler view from top of boiler 38 FAN AND VENTURI ASSEMBLY REMOVAL AND CLEANING Disconnect the electrical leads from the fan Undo the gas pipe union connection to the injector housing Remove the extended nut on the fan
17. 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 35 SERVICING SERVICING SERVICING 39 BURNER REMOVAL AND CLEANING Ensure the sump is fully drained Undo the two screws and remove the sump cover retaining the lower flue manifold Lift the manifold to clear the bottom sealing gasket and remove manifold Remove the 2 burner front fixing screws and loosen the 2 rear extended nuts by at least ten turns Lift off the burner from the combustion chamber To facilitate the removal angle the burner as shown IMPORTANT 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 Brush off any deposits that may be on the ceramic with a SOFT brush Inspect the sealing gasket around the burner for any signs of damage Replace as necessary 40 CLEANING THE CONDENSATE TRAP SIPHON 1 2 Disconnect the condensate drain pipe 3 Turn the siphon clockwise to disengage and lift to Pull off the rubber pipe at the sump drain 4 Clean siphon with water remove Note Keep siphon upright when removing 36 5 Re assemble in reverse order B When re assembling ensure the trap is full of water AT Ci
18. refer to graph below Gas Cock Pressure Drop a E 2 2 5 un un 2 0 0 5 0 10 0 15 0 20 0 285 0 30 0 heat input to boiler kW 35 0 400 45 0 IMPORTANT Installation pipes must be fitted in accordance with BS 6891 In IE refer to 15 813 2002 The complete installation MUST be tested for gas tightness and purged as described in the above code FLUE INSTALLATION Pluming will occur at the terminal so terminal positions where this could cause a nuisance should be avoided The flue must be installed in accordance with the recommendations of BS 5440 1 2008 In IE refer to l S 813 2002 The following notes are intended for general guidance 1 The boiler MUST be installed so that the terminal is exposed to external air Ideal Logic Combi Installation and Servicing GENERAL 2 t is important that the position of the terminal allows the free passage of air across it at all times 3 Minimum acceptable spacing from the terminal to obstructions and ventilation openings are specified in Table 4 4 Where the lowest part of the terminal is fitted less than 2m 6 6 above a balcony above ground or above a flat roof to which people have access then the terminal MUST be protected by a purpose designed guard Terminal guards are available from boiler suppliers Ask for TFC flue guard model no K6 round plastic coated In case of difficulty contact TFC Group Tower House Vale Ris
19. 1 Refer to Frame 43 Recharge Point Remove the charge point cover Recharge the tank pressure to 0 75 bar 2 3 4 Re assemble in reverse order 5 Check operation of the boiler Refer to Frames 32 amp 33 REPLACEMENT Refer to Frame 43 Drain the boiler CH circuit Refer to Frame 57 Unscrew the union nut on the vessel water connection pipe Support the expansion vessel and unscrew the 2 screws from the securing clamp located on the top of the boiler and remove Note the position of the bracket on the vessel 10 Remove the expansion vessel 11 Fit the new expansion vessel 12 Reassemble in reverse order 13 Refill the boiler Refer to Frame 24 14 Check operation of the boiler Refer to Frames 32 amp 33 70 BOILER SEALING PANEL SEAL REPLACEMENT Refer to Frame 43 Remove the old seal from the casing and thoroughly clean the casing surfaces Fit the new seal ensuring the bottom joint provides an air tight seal Reassemble in reverse order Check operation of the boiler Refer to Frames 32 amp 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 49 SERVICING FAULT FINDING 71 FAULT FINDING CHART MAIN MENU GO TO FRAME 72 ALTERNATING L and 1 FLOW TEMPERATURE OVERHEAT LOCKOUT GO TO FRAME 73 ALTERNATING fL and 2
20. 2 Drain the boiler Refer to Frame 57 clip and remove pipe 3 Remove the fan venturi assembly and place on one side 12 Undo the flow pipe union nut and remove pipe Refer to Frame 44 13 Remove the condensate rubber pipe Refer to Frame 53 no 2 4 Remove the burner and place on one side Refer to Frame 14 Remove the two heat exchanger fixing screws 46 15 Remove the Heat exchanger slide out of location bracket 5 Remove the ignition and detection electrodes and divertor 46 Reassemble in reverse order ensuring the heat exchanger LH actuator head Refer to Frames 48 49 and 52 retaining bracket is correctly positioned Replace any new o Remove the spark generator Refer to Frame 50 rings supplied with new heat exchanger and replacing gaskets Remove the gas valve Refer to Frame 51 or seals if any sign of damage is evident When replacing the spring clips located on the return pipe connection ensure clip is 6 7 oriented to correctly match connecting pipe diameters 9 s REMOVE NE NOW NENNST PEETA 17 Ensure the trap siphon is filled with water Refer to Frame 53 18 Refill the boiler Refer to Frame 24 19 Check operation of the boiler Refer to Frames 32 amp 33 10 Remove the 2 M5 screws retaining the gas valve mounting bracket and transfer bracket to the new heat exchanger 48 Ideal Logic Combi Installation and Servicing SERVICING 69 EXPANSION VESSEL RECHARGING amp REPLACEMENT RECHARGING
21. BS5440 1 2008 3 Below eaves 25mm 17 150mm 6 227 1200mm 487 e g door or vvindovv into dvvelling 1 200mm 48 i 500mm 607 127 Vertical Terminals 13 Above the roof pitch vvith roof slope of all angles Above flat roof 14 From a single wall face 300mm 12 From corner walls 300mm 12 15 Below velux window 2000mm 79 16 Above or side of velux window 600mm 24 Only one reduction down to 25mm is allowable per installation otherwise BS5440 1 2008 dimensions must be followed 6 From an internal or external corner or to a 25mm 17 boundary along side the terminal BS5440 1 2008 1 300mm 12 7 Above adjacent ground roof or balcony level 300mm 12 300mm 300mm 12 12 Ideal Logic Combi Installation and Servicing TERMINAL The terminal assembly can be adapted to accommodate various wall thicknesses Refer to Frame 14 AIR SUPPLY It is NOT necessary to have a purpose provided air vent in the room or internal space in which the boiler is installed Neither is it necessary to ventilate a cupboard or compartment in which the boiler is installed due to the low surface temperatures of the boiler casing during operation therefore the requirements of BS 6798 Clause 12 and BS 5440 2 may be disregarded WATER CIRCULATION SYSTEM IMPORTANT A minimum length of 1 metre of copper pipe MUST be fitted to both flow and return connections f
22. Clean or replace filter as necessary Reassemble in reverse order Refill the boiler Refer to Frame 24 10 Check Operation of the boiler Refer to Frames 32 amp 33 1 2 3 4 5 6 T 8 9 67 FLOW THERMISTOR REPLACEMENT Refer to Frame 43 Drain down the boiler Refer to Frame 57 Unplug the electrical lead Unscrew the thermistor to facilitate removal a 13mm socket spanner should be used Fit the new thermistor using the sealing washer provided Reassemble in the reverse order 7 Refill the boiler Refer to Frame 24 8 Check the operation of the boiler Refer to Frames 32 amp 33 Ideal Logic Combi Installation and Servicing Refer to Frame 43 Isolate the mains cold water supply to the boiler Drain the boiler DHW circuit Refer to Frame 57 Remove the DHW flow turbine cartridge Refer to Frame 61 Unscrew the flow regulator housing Inspect the flow regulator for any blockage and remove if necessary Reassemble in reverse order Refill the boiler Refer to Frame 24 Check Operation of the boiler Refer to Frames 32 amp 33 47 SERVICING SERVICING SERVICING 68 HEAT ENGINE RENEWAL Refer also to Frame 6 Boiler Exploded View IMPORTANT Before starting the removal procedure protect the gas and electrical controls with a waterproof sheet or plastic bag 1 Refer to Frame 43 11 Undo the inlet pipe union nut and remove the retaining spring
23. Data Flue Terminal Diameter Fuse Rating External 3A Internal T4H HRC L250 V Domestic Hot Water litre gal 0 5 2 Packaged Weight Maximum Installation Weight Boiler Casing Size Height 700 VVidth 395 15 5 Depth i 278 11 Required for maximum flow rate Boiler operates down to 2 l min DHW delivery In areas of low water pressure the DHW restrictor can be removed Table 3 Performance Data Domestic Hot VVater Maximum DHW Input Boiler Input Q Nett CV kVV 4 4 9 6 1 pene 5 l EEn Btu h 82 900 103 600 120 900 Gross CV kwi 270 54 7 9 Gross kii 27 0 33 7 Gas Consumption m3 hl 2 512 0 500 0 627 0 734 Gas Consumption m h 2 512 3 135 Boiler Input Boiler Output i 24 2 30 3 45 3 Non Condensing 4 8 6 1 103 300 120 500 70 C Mean Water temp Btu h 82 600 16 500 20 700 Condensing 5 1 6 4 40 C Mean Water temp Btu h 1 87 400 1 17 500 1 21 800 DHVV Specific Rate l min 11 5 14 5 16 9 GN CLASS DHW Flow Rate l min 12 4 14 5 at 35 C temp rise gpm 2 2 2 8 3 2 The value is used in the UK Governments Standard Assessment Procedure SAP for energy rating of dwellings The test data from which it has been calculated have been certified by a notified body Note Gas consumption is calculated using a Key to symbols calorific value of 38 7 MJ m 1038 Btu ft gross GB United Kingdom IE Ireland Countries of destina
24. IGNITION LOCKOUT 5 RESETS WITHIN 15 MINS ALTERNATING L and 5 TURN POWER OFF AND ON GO TO FRAME 74 ALTERNATING L and 6 FALSE FLAME LOCKOUT GO TO FRAME 75 ALTERNATING FF and 1 LOVV VVATER PRESSURE GO TO FRAME 76 ALTERNATING F and 2 FLAME LOSS GO TO FRAME 77 ALTERNATING FF and 3 FAN FAULT GO TO FRAME 78 THERMISTOR FAULT ALTERNATING F and 4 GO TO FRAME 79 ALTERNATING FF and 5 RETURN THERMISTOR FAULT GO TO FRAME 80 ALTERNATING FF and 6 OUTSIDE SENSOR FAULT LOW MAINS VOLTAGE ALTERNATING FF and 7 CONTACT ELECTRICITY PROVIDER PCB FAULT ALTERNATING F and 9 REPLACE PCB GO TO FRAME 81 ALTERNATING c and 2 BCC FAULT BOILER CHIP CARD ALTERNATING c and 0 PESE BEER NO CH BUT HW OK GO TO FRAME 82 NO HW BUT CH OK GO TO FRAME 83 GO TO FRAME 84 NO DISPLAY Note that production boiler PCBs are factory pre set to operate for boiler range and output but when ordering Primary PCB as a spare an additional Boiler Chip Card BCC MUST also be purchased for your specific boiler range and output If PCB replaced as a spare ensure that the BCC boiler chip card small plastic part is fitted to the PCB otherwise replace PCB O Z 2 IL J O Z Q IL J IL O Z Q Z IL J q O Z Q Lu J IL O Z Q 2
25. Ideal Logic Combi Installation and Servicing T Code Of Practice For the installation commissioning and servicing of domestic heating and hot water products Benchmark places responsibilities on both manufacturers and installers The purpose is to ensure that customers are provided with the correct equipment for their needs that it is installed commissioned and serviced in accordance with the manufacturer s instructions by competent persons and that it meets the requirements of the appropriate Building Regulations Installers are required to carry out work in accordance with the following THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS The use of the word installer is not limited to installation itself and covers those carrying out installation commissioning and or servicing of heating and hot water products or the use of supporting products such as water treatment or test equipment Customer includes householders landlords and tenants Heating and Hotwater Industry Council HHIC siden of Work Be competent and qualified to undertake the work required Install commission service and use products in accordance with the manufacturer s instructions provided Ensure that where there is responsibility for design work the installation is correctly sized and fit for purpose Meet the requirements of the appropriate Building
26. Refer to Frame 44 Undo the two screws and remove the sump cover Lift the manifold to clear the bottom sealing gasket and remove manifold Remove the 2 front fixing screws and loosen the 2 rear extended nuts Lift off the burner from the combustion chamber To facilitate the removal angle the burner as shown Fit the new burner replacing any damaged or deteriorating sealing gasket Reassemble in reverse order Check the operation of the boiler Refer to Frames 32 amp 33 Ideal Logic Combi Installation and Servicing 39 SERVICING SERVICING SERVICING 47 RETURN THERMISTOR RENEWAL Refer to Frame 43 Unclip the return thermistor from the return pipe and withdraw it from the boiler 3 Disconnect the electrical lead from the thermistor Reconnect the electrical lead to the new thermistor and reassemble in reverse order ensuring that the thermistor is securely fitted to the pipe on the thermistor locator tab as shown Check the operation of the boiler Refer to Frames 32 amp 33 Thermistor Locator Tab with thermistor fitted 48 IGNITION ELECTRODE REPLACEMENT Refer to Frame 43 Remove the burner Refer to Frame 46 Unplug the ignition lead from the electrode Ignition Electrode Remove the earth lead from the ignition electrode Remove the 2 screws holding the ignition electrode to the combustion chamber Remove the electrode Fit the new ignition electrode us
27. Regulations Where this involves notifiable work be a member of a Competent Persons Scheme or confirm that the customer has notified Local Authority Building Control LABC prior to work commencing Complete all relevant sections of the Benchmark Checklist Service Record when carrying out commissioning or servicing of a product or system Ensure that the product or system is left in a safe condition and whenever possible in good working order Highlight to the customer any remedial or improvement work identified during the course of commissioning or servicing work Refer to the manufacturer s helpline where assistance is needed Report product faults and concerns to the manufacturer in a timely manner Customer Service Show the customer any identity card that is relevant to the work being carried out prior to commencement or on request Give a full and clear explanation demonstration of the product or system and its operation to the customer Hand over the manufacturer s instructions including the Benchmark Checklist to the customer on completion of an installation Obtain the customer s signature on the Benchmark Checklist to confirm satisfactory demonstration and receipt of manufacturer s instructions Advise the customer that regular product servicing is needed in line with manufacturers recommendations to ensure that safety and efficiency is maintained Respond promptly to calls from a customer foll
28. Water Flow Rate and Pressure Loss Max CH Output 24 2 eun 82 600 I min 17 3 8 CF 36 m W g 3 4 ft w g 11 1 Water flow rate Temperature Differential Head available for system Filling The system may be filled by the following method Where the mains pressure is excessive a pressure reducing valve must be used to facilitate filling a Thoroughly flush out the whole system with cold water b Fill and vent the system until the pressure gauge registers 1bar and examine for leaks Refer to Frame 24 for filling detail c Check the operation of the safety valve by raising the water pressure until the valve lifts This should occur within 0 3bar of the preset lift pressure d Release water from the system until the minimum system design pressure is reached 1 0 bar if the system is to be pre pressurised continued GENERAL 3 SYSTEM REQUIREMENTS CONT Domestic Hot Water 1 The DHW service must be in accordance with BS5546 amp BS6700 2 Refer to Table 1 for minimum and maximum working pressures In areas of low mains water pressures the domestic hot water regulator may be removed from the DHW flow turbine cartridge Refer to Frame 66 The boiler will require the flow rate to be set to obtain a temperature rise of 35 C at the tap furthest from the boiler The boilers are suitable for connection to most types of washing machine and dishwasher appliances When connecting
29. being supplied MUST NOT be used for storage purposes If it is known or suspected that a fault exists on the boiler then ci DHW being supplied it MUST NOT BE USED until the fault has been corrected by a DHW preheat Gas Safe Registered Engineer or in IE a Registered Gas Installer RGII Under NO circumstances should any of the sealed components on this appliance be used incorrectly or tampered with Boiler frost protection boiler will fire if temperature is below 5 degrees C During normal operation the burner on indicator F will remain This appliance is not intended for use by persons including illuminated when the burner is lit children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given Note If the boiler fails to light after five attempts the fault code supervision or instructions concerning use of the appliance by a L will be displayed person responsible for their safety Children should be supervised to ensure that they do not play with the appliance To reset boiler turn the mode control knob D to reset position and immediately turn knob back to required setting The boiler will repeat the ignition sequence If the boiler still fails to light consult a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGII In cases of repeated or continuous shutdown a Gas Safe Registered Engineer or in IE a Registere
30. by isolation of the mains electricity supply Ideal Logic Combi Installation and Servicing 31 INSTALLATION INSTALLATION INSTALLATION 33 GENERAL CHECKS Make the following checks for correct operation in 1 Fully open all DHW taps in turn and ensure that water flows freely from them The display should read d 494 neon flashing then d neon steady vvhen the burner lights 2 Close all taps except the furthest one from the boiler and check that the boller is firing at maximum rate This is factory set to give a DHVV temperature rise of approximately 35 C at the flow rate stated on page 6 under operation 3 Reduce the DHW draw off rate to about 3 l min 0 7gpm and check that the boiler modulates to deliver DHW at approximately 64 C Close the DHW tap and check that the main burner extinguishes The pump should overrun for 60 seconds and the display sequence should read m u When the pump stops the display sequence should read m u Note On systems in excess of 2 bar inlet pressure a water pressure governor may be required to prevent water noise CENTRAL HEATING CH amp DOMESTIC HOT WATER DHW MODE 1 Ensure that the CH external controls are calling for heat The display should read x Q 2 Fully open a DHW tap and check that hot water is delivered The display should read d XX 3 Gas Rate Check the boiler gas rate when the boiler is at full DHW output Che
31. during movement into its installation location Manoeuvring the boiler may include the use of a sack truck and involve lifting pushing and pulling Caution should be exercised during these operations Operatives should be knowledgeable in handling techniques when performing these tasks and the following precautions should be considered e Grip the boiler at the base e Be physically capable e Use personal protective equipment as appropriate e g gloves safety footwear During all manoeuvres and handling actions every attempt should be made to ensure the following unless unavoidable and or the weight is light e Keep back straight e Avoid twisting at the waist e Avoid upper body top heavy bending e Always grip with the palm of the hand e Use designated hand holds e Keep load as close to the body as possible e Always use assistance if required Ideal Logic Combi Installation and Servicing GENERAL OPTIONAL EXTRA KITS Horizontal Flue Termianl 1000mm long Horizontal Flue Terminal 600mm long Horizontal Telescopic Flue Flue Extension Ducts 1000mm long 24 up to 9m 30 up to 8m 35 up to 6m Flue Finishing Kit 90 Elbow Kit maximum per installation 24 upto 6 elbows 30 upto 6 elbows 35 upto 4 elbows 45 Elbow Kit maximum per installation 24 upto 6 elbows 30 upto 6 elbows 35 upto 4 elbows Concentric Flue Screw Retaining Kit Roof Flue Kit to a maximum of 7 5m Powered Vertical Flue Ki
32. of drain cocks MUST be provided in the installation pipework Pipework from the boiler is routed downwards OPERATION With no demand for CH the boiler fires only when DHW is drawn off or periodically for a few seconds without any DHW draw off in order to maintain the DHW calorifier in a heated condition This only occurs if pre heat knob is in the ON period VVhen there is a demand for CH the heating system is supplied at the selected temperature of between 45 C and 80 C until DHW is drawn off The full output from the boiler is then directed via the diverter valve to the plate heat exchanger to supply a nominal DHW draw off of 24 9 9 l min at 35 C temperature rise 30 12 4 l min at 35 C temperature rise 35 14 5 I min at 35 C temperature rise The DHW draw off rate specified above is the nominal that the boiler flow regulator will give Due to system variations and seasonal temperature fluctuations DHW flow rates temperature rise will vary requiring adjustment at the draw off tap At low DHW draw off rate the maximum temperature is limited to 64 C by the modulating gas control The boiler features a comprehensive diagnostic system which gives detailed information on the boiler status when operating and performance of key components to aid commissioning and fault finding SAFE HANDLING This boiler may require 2 or more operatives to move it to its installation site remove it from its packaging base and
33. on the outer air duct with the tape provided 6 Fit internal and external wall seals see installing flue CUTTING HORIZONTAL FLUE TERMINAL 600MM LONG B PACK 1 Measure the required cut flue length A 44mm If inside the dimensions shown in Figure 2 1 Piece 600mm proceed 2 Measure from the outer terminal lip to end of outer flue Mark the required cut length A 44 around the circumference of the outer flue and cut following the mark to ensure its cut square 10mm 3 Dress the cut end to make sure all burr s are removed and the cut edge Mark Cut Length A 44mm from terminal lip is in its original shape 4 Mark the inner tube 10mm longer than the outer tube around its circumference and cut following the mark to ensure its cut square l m E J 0 J m il 5 Remove all burrs and place a light chamfer on the outer edge to aid assembly Ideal Logic Combi Installation and Servicing m J 0 J a il 20 INSTALLATION 17 INSTALLING THE FLUE FITTING FLUE THROUGH THE VVALL 14mm lt 1 Measure wall thickness and add 14mm 14m Wall Thickness 2 Measure from the outer terminal lip towards the end of outer flue place a small location mark at the dimension acquired at point 1 Add a further 14mm to the dimension obtain at item 1 point 1 and place an additional small location mark Fit external black wall seal ensuring the inside of the outer lip is in co
34. output but when ordering Primary PCB as a spare an additional Boiler Chip Card Note Fit the earth strap pr ovided with the PCB to l BCC MUST also be purchased for your specific boiler range and output your wrist and secure to a suitable earth on the boiler chassis 1 Refer to Frame 43 2 Note the control knob positions 3 Remove the 2 screws retaining the control box cover 4 Carefully lift the 4 retaining clips and remove control box cover Unplug all lead connections to the PCB including the ribbon cable to facilitate ribbon cable removal ease side clips apart and pull upwards also where applicable push the small plastic clip with an electrical screwdriver to facilitate plug removal Spring out the two side retaining clips and pull the PCB upwards to clear the 4 corner retaining posts Take the new Primary PCB and attach the appropriate Boiler Chip Card BCC to it this should correspond to the output of the boiler 24kW 30kW or 35kW Note Ensure the correct orientation of BCC by placing TOP side up as shown 8 Re connect all plug connections 9 Reassemble in reverse order 10 a Turn power on b Displays 8 blue light on off first digit input second digit input 1st letter appliance type Ie 2 4 Move knob to required setting standby l summer winter a TAS ANO Ribbon Note f no BCC fitted on non programmed 2 Cable l board i
35. pressure continues to drop a registered local heating installer should be consulted Refer to Frame 34 Explain Boiler reset procedure 10 After installation and commissioning please complete THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS the Commissioning Checklist before handover to the customer For IE its is necessary to complete a Declaration of Conformity to indicate compliance to 1 5 813 2002 IMPORTANT 11 A comprehensive service should be carried out ANNUALLY Stress the importance of regular servicing by a Gas Safe Registered Engineer n IE servicing work must be carried out by a Registered Gas Installer RGII 12 Inform the householder of the guarantee registration found within the envelop pack and the requirement to register it to receive the full benefit of the warranty 33 INSTALLATION SERVICING SERVICING 36 SERVICING SCHEDULE For the very latest copy of literature for specification amp maintenance practices visit our website www idealboilers com where you will be able to download the relevant information N B Technical Bulletins are also available on www idealboilers com WARNING Always turn OFF the gas supply at the gas service cock and switch OFF and disconnect the electricity supply to the appliance before servicing Combustion testing must be carried out by a competent person using a combustion analyser conform
36. rate condition check that the operational working gas pressure at the inlet gas pressure test point complies with the requirements refer to Gas Supply on page 8 Gas Supply Ensure that this inlet pressure can be obtained with all other gas appliances in the property working Gas Pressure Test Point As part of the commissioning process the combustion of this appliance must be checked and the 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 INSTALLATION 32 INITIAL LIGHTING Legend Pre heat On off DHW temperature control CH temperature control Off Summer Winter Reset Control Boiler Status Burner on indicator CH Flow Isolating Valve Pressure Gauge Gas Inlet Pressure Test Point Gas Service Cock DHW Inlet Valve CH Return Isolating Valve DHW Outlet Ze2rxerammmooop Note Filling loop valves are in the off position and the loop has been disconnected ready for operation 1 Check that the system has been filled and that the boiler is not IMPORTANT airlocked Ensure the automatic air vent cap is open Note The gas input to the burner is regulated by the gas valve according to the air flow produced by the fan It is NOT user adjustable Any in
37. requirements Note The pump will operate briefly as a self check once every 24 hours in the absence of any system demand WATER TEMPERATURES Temperatures can be selected using the CH and DHW thermostats Knob Setting CH Flow Temp DHW Outlet Temp C C P 80 176 45 113 Ideal Logic Combi Installation and Servicing INSTALLATION 34 RESET PROCEDURE To reset boiler turn the mode control knob D to reset position and immediately turn knob back to required setting The boiler will repeat the ignition sequence if a heat demand is present OG preheat A Pre heat On off B DHW temperature control C CH temperature control 35 HANDING OVER m reset D Off Summer VVinter Reset Control E Boiler Status F Burner on indicator After completing the installation and commissioning of the system the installer should hand over to the householder by the following actions 1 Hand the User Instructions to the householder and explain his her responsibilities under the relevant national regulations 2 Explain and demonstrate the lighting and shutting down procedures 3 The operation of the boiler and the use and adjustment of all system controls should be fully explained to the householder 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 necessa
38. section of the telescopic flue only m R J 0 J m il Ideal Logic Combi Installation and Servicing INSTALLATION 15 DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED CONT D F U RE 1 Edge of turret Edge of turret Edge of turret to outside face of vvall plus to outside face of vvall plus to outside face of vvall plus 44mm flue length 44mm flue length 44mm flue length Note Maximum permissible flue length is measured from centre line of appliance flue outlet to outside wall face to wall to wall to wall inc Stand off Frame Minimum clearance 5mm Flue length measured from outer terminal lip to end of outer flue A 44mm Centre of turret to edge of turret 100mm Turret has a flue insertion of 30mm The compressed outer wall seal has protruding wall to seal mounting lip 14mm From centreline of turret to wall Rear mount 155mm side including clearance 200mm FIGURE 2 Shows the flue required when measured from outside edge of turret to the outside face of the wall to obtain cut length add 44mm Minimum amp Maximum finished flue lengths obtainable dimension A 44mm Horizontal Flue Terminal Horizontal Flue Horizontal Flue Terminal 600mm long B Pack Terminal 1000mm long 1000mm long B Pack B Pack Telescopic Telescopic Cut 75mm B Pack Standard Plust imDpack 121 1506 1236 144 1 1 1766 1476 160 Z Plus 2 1m pac
39. the CH flow pipe and DHW outlet pipe union connections underneath the internal cartridge the boiler Refer to Frame 57 Fit the new valve mechanism ensuring Remove the plate heat exchanger LH fixing screw Refer to Frame 63 the correct Heoi the pin Remove the screw retaining the brass block to the bottom of the boiler casing Reassemble in reverse order and lift the brass block clear of the boiler Refill the boiler Refer to Frame 24 8 Unscrew the rear cartridge connection Check operation of the boiler Referto 9 Fit the new valve mechanism ensuring the correct fit of the pin Frames 32 amp 33 10 Reassemble in reverse order 11 Refill the boiler Refer to Frame 24 12 Check operation of the boiler Refer to Frames 32 amp 33 FRONT CARTRIDGE dF 5 REAR CARTRIDGE 63 DHW PLATE HEAT EXCH REPLACEMENT 64 PUMP HEAD REPLACEMENT Refer to Frame 43 Drain the boiler Refer to Frame 57 Disconnect the electrical lead from the pump Remove the 4 Allen screws retaining the pump head Remove the pump head Fit the new pump head Reassemble in reverse order Refill the boiler Refer to Frame 24 Check operation of the boiler Refer to Frames 32 amp 33 Refer to Frame 43 Drain the boiler Refer to Frame 57 Remove condensate trap siphon Refer to Frame 53 Remove the diverter valve actuator Refer to Frame 52 Remove the 2 allen screws securing the plate heat exchanger to the brass housings Mano
40. the extended nut retaining the fan mounting bracket 5 Lift and remove the fan and venturi assembly 6 Remove the screw and twist venturi anti clockwise to remove venturi assembly noting the orientation of the venturi in relation to the fan body Transfer the venturi assembly to the new fan replacing the o ring if evidence of damage or deterioration is visible Fit the new fan venturi assembly ensuring the retaining tabs are correctly positioned and the fan outlet sealing gasket is correctly positioned and free from damage Refit the extended nut Reassemble the boiler in reverse order taking care not to overtighten the screw on the fan mounting bracket Check the operation of the boiler Refer to Frames 32 amp 33 38 Ideal Logic Combi Installation and Servicing SERVICING 45 BURNER INJECTOR REPLACEMENT Refer to Frame 43 Disconnect the electrical leads from the fan Undo the gas pipe union connection to the injector housing Loosen the screw retaining the fan mounting bracket Lift and remove the fan and venturi assembly Remove the 2 injector housing screws Withdraw the injector housing Fit the new injector housing complete with injector Reassemble in reverse order ensuring that the new gas seal supplied is located correctly in the injector housing 10 Check operation of the boiler Refer to Frames 32 amp 33 46 BURNER REPLACEMENT See Frame 43
41. the vertical connector kit Flue Terminal 3 Secure the vertical connector by applying downward pressure on the connector ASSEMBLY A 4 Position the clamp on the top face of the flue manifold and push it horizontally backwards Locate both clamp lugs into the flue manifold and secure to the flue manifold with the M5 retaining screw 5 Push fit extension duct if required Supplied separately into Pitched roof tile vertical connector Flat roof tile vveather collar A 2 Note Ensure turret sample points are servicable and all caps and plugs are fitted nm8740 Extension Duct Vertical connector 3G9557b 6 If the last extension duct requires cutting measure X the distance outer ducts between the duct and the terminal and add 100 mm to this dimension This gives the length of the last extension duct x Note Check the position of the inner flue duct relative to the outer duct on longer than the air duct to ensure engagement in the final flue duct seal l m E J 0 J m il m the assembled extension duct s and ensure the terminal flue duct is cut 7 Finally ensure the roof flashing plate is correctly sealed to the roof Ideal Logic Combi Installation and Servicing 23 INSTALLATION INSTALLATION 22 CONDENSATE DRAIN Condensate Drain This appliance is fitted with a siphonic 75mm condensate trap system that requires filling
42. 6 Is the red neon illuminated on the turbine Adjust flow rates to achieve 35 temp rise and check filter fitted in turbine is not blocked with debris Reconnect wiring or replace wiring harness if YES Is hot and cold pipework crossed Replace PCB Is the wiring connected between PCB and DHW sensor Re engage diverter head and secure clip to Remove the turbine and check for debris in the turbine amp filter Replace turbine if necessary Is DHW OK Supply power to the boiler Connect the wiring from the terminal block to the Main PCB securely Connect the ribbon from the main PCB to the User Interface PCB securely Ideal Logic Combi Installation and Servicing SPARE PARTS VVhen replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that vve require Do not use reconditioned or copy parts that have not been clearly authorised by ldeal Failure to do so could affect safety or performance of this appliance Comprehensive spares parts information and details of approved Ideal Parts Distributors are available on www idealparts com Our Parts team are also available to help with your Ideal Spare Parts enquiries on 01482 498665 When calling and to ensure we can provide you with the most accurate parts information please ensure you have the following to hand Boiler Model Appliance GC Number Boiler Serial Number
43. FF Preheat will operate with the preheat switch A set to ON The boiler will fire periodically for a few seconds to maintain the DHW calorifier in a preheated condition The average time period between firing is 90 minutes This may vary considerably due to the surrounding ambient temperature of the boiler The boiler will fire whenever there is a demand for DHW The boiler preheat facility can be immobilised by turning the preheat switch A to OFF This will stop the boiler operating for short periods This facility is primarily provided for boiler installations in a sensitive area i e bedroom etc Note The pump will operate briefly as a self check once every 24 hours regardless of system demand Control of water temperature Domestic Hot Water The DHW temperature is limited by the boiler controls to 64 C maximum at low draw off rate adjustable via the DHW temperature control B Approx flow temperatures for the boiler thermostat settings are Knob Setting Flow Temperature 40 C 104 F 64 C 147 F Due to system variations and seasonal temperature fluctuations DHW flow rates temperature rise will vary requiring adjustment at the draw off tap the lower the rate the higher the temperature and vice versa 1 BOILER CONTROLS Legend Pre heat On Off DHW Temperature Control CH Temperature Control Mode Control Boiler Status B Burner on Indicator Pressure Gauge Condensate Dr
44. Figure 4 Connection of condensate Drainage Pipe to External Soil amp Vent Stack Boiler with 75mm sealed condensate trap Min 30mm Internal pipe Min 19mm Internal I Boilers without 75mm sealed condensate trap must be fitted with a 75mm trap and visible air break Soil amp vent stack Water weather proof insulation Minimum connection height up to 3 storeys Figure 6 Connection of Condensate Drainage Pipe Upstream of a Sink Basin Bath or Shower Waste Trap to External Drain Gulley or Ranwater Hopper Boiler with 75mm sealed condensate Visible air break trap at plug hole Min 19mm Internal 15 Sink basin bath or shower with integral overflow and 75mm trap Minimum 30mm internal pipe VVater weather proof insulation 45 pipe termination 2 25 Below grate 25 INSTALLATION INSTALLATION INSTALLATION 24 CONNECTIONS amp FILLING NOTES Ensure all boss blanking plugs are removed before connecting hardware Each valve must be fitted to the correct boss as shown in the picture Ensure each union is fitted with fibre seals provided Do not subject any of the isolating valves to heat as the seals may be damaged WATER CONNECTIONS CH 1 Connect the CH flow service valve black handle and copper tail provided in the hardware pack to the threaded boss connection provided at the lower rear of the boiler 2 Connect the CH rtn valve black handle
45. H Return 2 VVasher CH 3 Valve Return 2 Accessory Pack DHW Pack 1 Pipe DHW Outlet Ob 2 Valve Return DHW T 3 Washer DHW x2 4 Pipe DHW Inlet 5 Nut 1 2 Return Valve Pack eni Return Valve Pack E 1 az Al 2 Accessory Pack Flow Valve Pack 1 Screw x2 2 Wallplug x2 o 200 3 Turret Clamp Screw x1 Flow Valve Pack Q 1 Pipe CH Flow G O 2 Washer CH 3 Valve Flow with gauge continued 14 Ideal Logic Combi Installation and Servicing INSTALLATION 8 UNPACKING CONT D Note This flue system incorporates a removable flue outlet nose that utilises a push fit location system This enables the installation of deflector high level or balcony outlet flue kits without the removal of the whole B pack terminal The appliance must not be operated without the desired outlet nose correctly fitted in place Note Location dimples must be aligned with terminal mounting frame Pack B Contents Telescopic Telescopic flue terminal Flue turret Rubber terminal wall seal Screw Sealing Tape Wall Seal white W gt Pack B Contents Non Telescopic A Flue terminal Flue turret Rubber terminal vval
46. INSTALLATION AND SERVICING 24 50 35 For Users Gulde see reverse of book 7 m ial gil e For details of document amendments refer to page 3 THE QUEEN S AWARDS FOR ENTERPRISE INNOVATION 2013 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 May 2014 UIN 204626 A13 L Ideal Logic Combi Installation and Servicing NOTES FOR THE INSTALLER FOR ANY TECHNICAL QUERIES PLESE RING THE IDEAL INSTALLER HELPLINE 01482 498704 NOTE BOILER RESET PROCEDURE To reset boiler turn mode knob to reset position and immediately turn knob back to required setting 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 A12 Oct 13 to A13 May 14 Cover Pages Re brand outer covers Page 7 Optional Extra Kits Addition of RF Mechanical Timer amp Room Thermostat Kit Ideal Stelrad Group reserve the right to vary specification without notice Ideal Logic Combi Installation and Servicing 3 GENERAL Table 1 General
47. ION BOILER ASSEMBLY Exploded View Note that item numbers are linked to the spares list 104 105 106 107 108 110 111 112 113 114 115 116 117 118 Ideal Logic Combi Installation and Servicing CH Return Valve 119 Return Group Manifold 217 Burner 307 Electrode Detection CH Flow Valve 120 Flow Group Manifold 218 Gasket Burner 308 lgnitor Unit DHW Inlet amp Outlet 121 Plate Heat Exchanger 219 Sump Clean Out Cover 309 Thermistor Flow Filling Loop 127 Flow Sensor Hall Effect 223 Flue Manifold 313 Ignition Lead Pump Head 128 Flow Turbine Cartridge 224 Flue Manifold Top 314 Control Box Lens Air Vent Pump 131 Water Pressure Transducer 227 Clamp Retaining Flue Turret 324 Control Box Lid Divertor Valve Head 135 Pressure Gauge 228 Hose Condensate Internal 325 Control Box Front Divertor Valve Cartridge 203 Gas Cock 229 Siphon Trap 326 Programmer Insert Pressure Relief Valve 204 Pipe Gas Inlet 231 Condensate Outlet Connection 401 Heat Engine Pipe PRV Outlet 205 Gas Valve 301 Ctrol Box Fixings Hings amp Spring 503 Wall Mounting Bracket Pipe Flow 206 Pipe Gas Injector 302 Primary PCB 504 Front Panel Pipe Return 211 Injector Assy 303 CUI Board 505 Fascia Pipe Expansion Vessel 214 Venturi 304 Control Thermistor Return 506 Bracket Gas Valve Expansion Vessel 215 Fan 306 Electrode Ignition 507 Bracket Expansion Vessel Note that production boiler PCBs are factory pre set to operate for boiler range and out
48. ND HOT WATER SYSTEMS The code of practice for the installation Manufactured under an ISO 9001 commissioning amp servicing of central heating systems registered quality management system 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 The right is therefore reserved to vary specification without notice Ideal Stelrad Group Ideal Technical Helpline 01482 498 663 www idealboilers com USER GU DE 24 50 35 For Installation Guide see reverse of book THE QUEEN S AWARDS FOR ENTERPRISE INNOVATION 2013 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 po e um ic m a b ia a sms s am ee ee ee ce x xs simin nl nx x n FOR ANY QUERIES PLEASE RING THE IDEAL CONSUMER HELPLINE 01482 498660 NOTE BOILER RESET PROCEDURE I To reset boiler turn mode control knob to reset position and immediately turn kno
49. ack Remove telescopic end piece from the flue body and set aside Mark the circumference 75mm from the open end of the outer flue Mark STOP mark 20mm from newly cut edge Cut along the 75mm mark cutting only the outer flue ensuring the cut is square 77 O xs Dress the cut end to make sure all burr is removed and the cut edge is in its original shape 6 Measure 20mm from the newly cut edge of the outer flue place a mark at the top of the flue approximately 20mm wide amp write stop the terminal side of the line 7 Mark the inner tube 10mm longer than the outer tube around its circumference and cut following the mark to ensure its cut square 8 Remove all burrs and place a chamfer on the outer edge to aid assembly 9 Re assemble telescopic section SETTING TELESCOPIC FLUE B PACK 1 Measure the required flue length A 44mm 10mm 2 Measure from the outer terminal lip to end of outer flue Pull apart flue until Adjust to Length A 44mm from terminal lip desired length is achieved ENSURE THE STOP MARK IS NOT VISIBLE IF IT IS THE FLUE IS TOO SHORT AND SHOULD NOT BE USED 3 Check that both flue seams are at the top and the outlet terminal is upper most Drill Hole 4 Drill a 3 5mm hole through one of the 2 outer side holes in the outer flue Adhere sealing tape section into the inserted outer flue as shown Take care not to pierce the inner plastic flue Fit screw provided 5 Seal the joint
50. ain A B C D E F G H J Economy Mode Ideal Logic Combi User s Central Heating The boiler controls the central heating radiator temperature to a maximum of 80 C adjustable via the CH temperature control C The Logic Combi is a high efficiency combination boiler which is most efficient when operating in condensing mode The boiler will operate in this mode if the CH temperature control C is set to the e position economy mode This control should be set to maximum for very cold periods VVeather Compensation VVhen the VVeather Compensation option is fitted to the system then the CH Temperature Control C becomes a method of controlling room temperature Turn the knob clockvvise to increase room temperature and anti clockwise to decrease room temperature Once the desired setting has been achieved leave the knob in this position and the system vvill automatically achieve the desired room temperature for all outside vveather conditions To shut dovvn the boiler Set the mode knob control to OFF To relight the boiler Repeat the procedure detailed in To light the boiler Frost protection If no system frost protection is provided and frost is likely during a short absence from home leave the heating controls if fitted at a reduced temperature setting For longer periods the entire system should be drained If the system includes a frost thermostat then during cold weather the boiler sho
51. and copper tail 3 If connecting the boiler to heating loads in excess of 60 000 Btu h connecting flow and return heating systems pipework must be sized in 28mm diameter at the point of pipe connection to the boiler tails use 22mm x 28mm pipe adaptors as appropriate WATER CONNECTIONS DHW 1 Fit the DHW inlet service valve blue handle and copper tail to the threaded boss connection ensuring the seal provided is correctly located 2 Fit the DHW outlet pipe tail to DHW outlet connection ensuring the seal provided is correctly located 3 Fit the filling loop provided between the DHW inlet valve and the CH return valve GAS CONNECTION IMPORTANT The gas service cock is sealed with a non metallic blue fibre washer which must not be overheated when making capillary connections 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 SAFETY VALVE DRAIN The safety valve connection located at the bottom right hand side of the boiler comprises a 15mm diameter stub pipe The Installer to provide a compression joint on the end of the stub pipe This assists with pipe removal when servicing The discharge pipe should be positioned so that the discharge of water or steam cannot create a hazard to the occupants of the premises or damage the electrical components and wiring A purpose made safety valve drain pipe is provided with the boiler to allo
52. b back to required setting Bu m e e um um um um um um um um mum um um mum um uu mum um uu mum mum um mum mum un mum mun uu mun nun nun nun il introduction Minimum Clearances The Logic Combi is a wall mounted room sealed condensing Clearances of 165mm 6 1 2 above 100mm 4 below combination boiler featuring full sequence automatic spark ignition 2 5mm 1 8 at the sides and 450mm 17 3 4 at the front of and fan assisted combustion the boiler casing must be allowed for servicing Due to the high efficiency of the boiler condensate is produced from Bottom clearance the flue gases and this is drained to a suitable disposal point through Bottom clearance after installation can be reduced to 5mm a plastic waste pipe at the base of the boiler A condensate plume This must be obtained with an easily removable panel to will also be visible at the flue terminal enable the consumer to view the system pressure gauge and The Logic Combi is a combination boiler providing both central to provide the 100mm clearance required for servicing heating and instantaneous domestic hot water To light the boiler Refer to Frame 1 Safety If a programmer is fitted refer to separate instructions for the Current Gas Safety Installation amp Use programmer before continuing Regulations or rules in force m 1 CHECK THAT THE ELECTRICITY SUPPLY TO BOILER IS In your own interest and that of safety it is the law t
53. before operating the appliance for the 1st time or after maintenance All condensate pipework should conform to the following a Where a new or replacement boiler is being installed access to an internal gravity discharge termination should be one of the main factors considered in determining boiler location b Plastic with push fit or solvent connections c Internal plastic pipe work a minimum of 19mm ID typically 22mm OD d External plastic pipe must be a minimum of 30mm ID typically 32 OD before it passes through the sleeved wall e All horizontal pipe runs must fall a minimum of 45mm per metre away from the Boiler f External amp unheated pipe work should be kept to a minimum and insulated with Class O waterproof pipe insulation g All installations must be carried out in accordance to the relevant connection methods as shown in the Condensate installation diagrams amp BS6798 2009 h Pipe work must be installed so that it does not allow spillage into the dwelling in the event of a blockage through freezing i All internal burrs should be removed from the pipe work and any fittings In order to minimise the risk of freezing during prolonged very cold spells one of the following methods of terminating condensate drainage pipe should be adopted internal Drain Connections Wherever possible the condensate drainage pipe should be routed to drain by gravity to a suitable internal foul water discha
54. burner burner Flow Temperature Overheat or No Water Flow burner burner Flame Loss 1 Check other gas appliances in the house are working to confirm a supply is present in the property 2 If other appliances do not work or there are no other appliances check the gas supply is on at the meter and or pre payment meter burner burner has credit 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 burner burner Fan Fault Reset 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 burner Flow Thermistor Reset 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 burner burner Return Thermistor Reset 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 Ideal Logic Combi User s Tel 01482 495660 Ideal P O Box 103 National Ave Kingston Upon Hull 5 4JN www idealboile
55. ck at the gas meter with no other appliance in use Refer to Tables 2 amp 3 for gas rates Close the DHW tap 5 Set the central heating external controls to OFF The burner should go off and the pump continue to run for two minutes The display should read 0 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 32 WATER CIRCULATION SYSTEM 1 With the system COLD check that the initial pressure is correct to the system design requirements For pre pressurised systems this should be 1 0 bar 2 With the system HOT examine all water connections for soundness The system pressure will increase with temperature rise but should not exceed 2 5 bar 3 With the system still hot turn off the gas water and electricity supplies to the boiler and drain down to complete the flushing process Note A flushing solution should be used during the flushing procedure Flushing solutions Fernox Superfloc Sentinel X300 new systems or X400 existing systems Refer to Frame 5 Refill and vent the system add inhibitor see Frame 5 clear all air locks and again check for water soundness 5 Reset the system initial pressure to the design requirement 6 Balance the system Refer to Frame 4 7 Check the condensate drain for leaks and check that it is discharging correctly 8 Finally set the controls to the User s
56. clockwise viewed from above and pulling upwards Reassembly is the reverse of the above Ensure the air vent head o ring seal is in place when refitting and the new o ring is fitted to the return pipe top connection Ensure the air vent cap is loose Refill the boiler Refer to Frame 24 Check for leaks around the new air vent joint Check the operation of the boiler Refer to Frames 32 amp 33 61 DHW FLOW TURBINE CARTRIDGE REPLACEMENT Refer to Frame 43 Drain the boiler Refer to Frame 57 3 Remove condensate trap siphon Refer to Frame 53 Remove the DHW flow turbine sensor Refer to Frame 56 Unscrew the top connection to access the internal part Fit the nevv turbine cartridge Refit the turbine flow sensor Reassemble in reverse order Refill the boiler Refer to Frame 24 10 Check operation of the boiler Refer to Frames 32 amp 33 Ideal Logic Combi Installation and Servicing Dust Cap 45 SERVICING SERVICING SERVICING 62 DIVERTER VALVE INTERNAL CARTRIDGE REPLACEMENT FRONT CARTRIDGE REPLACEMENT REAR CARTRIDGE REPLACEMENT Refer to Frame 43 1 Refer to Frame 43 Drain the boiler Refer to Frame 57 Drain the boiler Refer to Frame 57 Remove the diverter valve head Refer Remove the diverter valve head Refer to Frame 52 to Frame 52 Remove the flow pipe Refer to Frame 68 no 12 Unscrevv the top connection to access Disconnect
57. correct for the boiler After switching power on and cO being shown YES press reset Is c2 still shown _ gt Replace PCB RESET PROCEDURE To reset boiler turn mode knob to reset position and immediately turn knob back to required setting FAULT FINDING 7 NO Securely connect the wiring at both the Is the wiring securely connected at both the boiler and huilarand Outside Gansor Outside Sensor Disconnect the wires to the outside sensor Check the resistance using a suitable multimeter connected across the Outside Sensor s terminal pins Fit a new Outside Sensor At 0 expect 31 000 35 000 Ohms At15 C expect 15 000 16 500 Ohms At 30 expect 7 700 8 500 Ohms Is the Outside Sensor value correct NO Securely connect the wiring at the Terminal Block and the PCB Is the wiring securely connected between the incoming terminal block boiler connection of the Outside Sensor and the PCB YES Replace PCB s the correct BCC for the boiler securely inserted into the Securely insert the correct BCC for the boiler slot at the front left of the PCB into the PCB and after switching power on and identified by the label on the BCC c0 being shown reset boiler Note Ensure the correct orientation of BCC by placing TOP side up Ideal Logic Combi Installation and Servicing FAULT FINDING 82 NOCH OPERATION BUT HW WORKS OK NO Is the mode knob in the Winter
58. correctly positioned and the sealing gasket is correctly Swing the control box back into its working position and positioned and free from damage secure 4 Reconnect the fan electrical leads 9 Turn on the gas supply at the gas service cock 5 Remove the sump cover and refit the lower flue manifold as 10 Reconnect the electrical supply shown Ideal Logic Combi Installation and Servicing 37 SERVICING SERVICING SERVICING 43 REPLACEMENT OF COMPONENTS GENERAL After replacing ANY component check operation of the boiler including gas soundness gas rate and combustion test IMPORTANT Turn off the gas supply When work is complete the front panel must be correctly refitted ensuring that a good seal is made When replacing ANY component lsolate the electricity supply Remove the boiler front panel Refer to Frame 37 Notes Release the retaining clip and swing the control box down 1 In order to assist fault finding the control panel has into its servicing position an LED diagnostic display The key to boiler fault conditions is shown in Frame 77 n order to replace components in Frames 58 69 it is necessary to drain the boiler Refer to Frame 57 THE BOILER MUST NOT BE OPERATED WITHOUT THE FRONT PANEL FITTED 44 FAN REPLACEMENT Retaining Tabs Refer to Frame 43 Disconnect the electrical leads from the fan Undo the gas pipe union connection to the injector housing Remove
59. could cause a nuisance should be avoided Minimum dimensions are shown below Aluminium Wy shield Pitched Roof with structure Flat roof with structure A 600mm Em B 2000mm The flue terminal shall not penetrate the shaded area of the roof Terminal Position Directly below an opening air brick windows etc 300 mm Note Below plastic painted gutters The equivalent flue length Painted surface 300 mm resistance of the elbow kits are Below eaves or balcony 90 elbow kit 1m Below velux windows 2000mm 45 elbow kit 0 6m Above or side of velux windows 22 Ideal Logic Combi Installation and Servicing l m J 0 J Hi il INSTALLATION 21 ASSEMBLING THE ROOF FLUE KIT Determine the correct height that the flue should terminate above A the roof If after calculating or measuring the overall flue height from the top of the boiler it is necessary to cut both pipes of assembly A then ensure they are cut equally leaving the inner flue tube longer than the outer air tube as supplied Ensure the cut pipe ends are free from any burrs o 1 Position the roof flashing plate supplied separately over the hole cut in the roof and insert flue terminal from the roof end max 41 MAX LENGTH 7 5m BOILER nm8739 2 Fit the vertical connector supplied separately in accordance vvith the instructions provided vvith
60. d is required before proceeding with the installation of this kit This kit is suitable for both flat and pitched roof terminations using a concentric flue to run vertically from the top of the boiler and terminating above roof level Connection to the top of the boiler is made using a separately supplied vertical connector WEATHER PROOFING Where the flue passes through the roof line an adequate seal must be made This is achieved by using either Flat roof weather collar or Universal weather collar D b ACCESSORIES Flue Duct Extension Kits are available for flue lengths extending beyond 1m These packs contain 1m extension ducts and may be cut to the desired length lt Verir If the offset vertical option is used an elbovv Kit is required For a full accessories list refer to page 7 Optional Extras nm8736 19 ROOF FLUE KIT CONTENTS OPTIONS Flue Terminal Flue Seal Collar Flat Roof Vertical connector 90 elbow UIN 203132 UIN 152259 UIN 208175 UIN 203130 UIN 203131 Flue Seal Collar Tile Roof duct UIN 152258 support Roof Flue Extension Duct UIN 203129 FLUE OUTLET Ideal Logic Combi Installation and Servicing 21 INSTALLATION 20 FLUE TERMINAL POSITION The terminal should be positioned so that products of combustion can safely disperse at all times Pluming may occur at the termination so where possible terminal positions where this
61. d Gas Installer RGII should be called to investigate and rectify the condition causing this and carry out an operational test Only the manufacturers original parts should be used for replacement All Gas Safe Register installers carry a Gas Safe Register ID card and have a registration number Both should be recorded in the 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 fy commissioning of central heating systems in the UK and to encourage the regular servicing of all enc mar central heati ng systems to 55 safety and efficien THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS THE BENCHMARK SERVICE INTERVAL RECORD MUST BE COMPLETED AFTER EACH SERVIC 2 Ideal Logic Combi User s Operation VVinter conditions i e CH and DHVV required Ensure the mode knob control D is set to winter M The boiler will fire and supply heat to the radiators but will give priority to DHW on demand The DHW preheat will operate as described under Summer conditions during periods when there is no call for CH Summer conditions i e DHW only required Set the mode knob control to Summer Set the CH external controls to O
62. d complete this Benchmark Commissioning Checklist will invalidate the warranty This does not affect the customer s statutory rights Customer name Telephone number Address Boiler make and model Boiler serial number Commissioned by PRINT NAME Gas Safe register number Company name Telephone number Company address Commissioning date To be completed by the customer on receipt of a Building Regulations Compliance Certificate Building Regulations Notification Number if applicable CONTROLS tick the appropriate boxes Room thermostat and programmer timer Programmable room thermostat Time and temperature control to heating l Load weather compensation Optimum start control Time and temperature control to hot water Cylinder thermostat and programmer timer Combination Boiler Heating zone valves Fitted Not required Hot water zone valves Fitted Not required Thermostatic radiator valves Fitted Not required Automatic bypass to system Fitted Not required Boiler interlock Provided ALL SYSTEMS The system has been flushed and cleaned in accordance with BS7593 and boiler manufacturer s instructions What system cleaner was used What inhibitor was used Quantity litres Has a primary water system filter been installed CENTRAL HEATING MODE measure and record
63. d in a vertical position in accordance to the installation instructions FLUE KITS Telescopic Flue B Pack contains Flue turret telescopic flue incorporating a terminal and rubber wall seals Horizontal Flue Terminal 600mm long B Pack contains Flue turret non telescopic single piece flue incorporating a terminal and rubber wall seals Horizontal Flue Terminal 1000mm long B Pack Flue turret telescopic flue incorporating a terminal rubber wall seals and instructions Note If B packs are used on their own either 1 piece or telescopic then they can be fitted horizontally as the flue inside is designed to slope 1 5 degrees D Pack contains 1 metre length of flue pipe Functional length 950mm 1 support bracket and instructions When extension D Packs are used the flue duct must incline 1 5 degrees away from the appliance to allow the condensate to drain back to the boiler and out of the condensate drain It is recommended that a support bracket is fitted on every 1 metre of pipe work used and the bracket is located as close to the collar as possible The bracketing must ensure a 1 5 degree fall back to the appliance Optional Flue Finishing Kit UIN 155988 amp Concentric Flue Screw Retaining Kit Optional Kit of mechanical fixing of flue joints Only use water as a lubricant during assembly The B pack terminal is classed as part of the maximum flue length These flue systems incorpo
64. dures are covered more fully in Frames 38 42 and MUST be carried out in sequence IMPORTANT 6 After completing the servicing or exchange of components always test for gas tightness 7 When work is complete the front panel MUST be correctly refitted ensuring that a good seal is made Do NOT OPERATE the boiler if the front panel is not fitted 8 If for any reason the condensate trap siphon has been removed ensure the trap is refilled with water before reassembling 9 Check the gas consumption 10 Check combustion by connecting the flue gas analyser to the flue gas sampling point as shown in the diagram and measure CO 8 CO If the CO CO ratio is greater than 0 004 AND the integrity of the complete flue system and combustion circuit seals have been verified and the inlet gas pressure and gas rate have been verified then contact Ideal 11 Complete the service section in the Benchmark Commissioning Checklist 34 GENERAL Please Note During routine servicing and after any maintenance or change of part of the combustion circuit the following must be checked The integrity of the flue system and the flue seals The integrity of the boiler combustion circuit and the relevant seals The operational working gas inlet pressure at maximum rate gas rate The combustion performance COMPETENCE TO CARRY OUT THE CHECK OF COMBUSTION PERFORMANCE Please Note BS 6798 2009 Specification for
65. e Tonbridge Kent TN9 1TB Ensure that the guard is fitted centrally Tel 44 0 01732 351 680 Fax 44 0 01732 354 445 www tfc group co uk 5 The flue assembly shall be so placed or shielded as to prevent ignition or damage to any part of any building 6 The air inlet products outlet duct and the terminal of the boiler MUST NOT be closer than 25mm 1 to combustible material Detailed recommendations on the protection of combustible material are given in BS 5440 1 2008 IMPORTANT It is essential to ensure in practice that products of combustion discharging from the terminal cannot re enter the building or buildings through any openings into the building such as ventilators windows doors or other sources of natural air infiltration such as forced ventilation openings etc If products of combustion re entry is identified or suspected this should be immediately investigated and corrected following the guidance provided in the current Gas Industry Unsafe Situation Procedure Table 4 Balanced Flue Terminal Position Flue Terminal Positions Min Spacing 1 Directly below above or alongside an opening window air vent or other ventilation opening 300mm 12 2 Below guttering drain pipes or soil pipes 25mm 1 BS5440 1 2008 75mm 3 25mm 17 BS5440 1 2008 200mm 8 4 Below balconies or a car port roof 25mm 17 BS5440 1 2008 200mm 8 5 From vertical drain pipes or soil pipes
66. e taken in making all connections so that the risk of leakage is minimised The following components are incorporated within the appliance a Circulating pump Safety valve with a non adjustable preset lift pressure of 3 bar Pressure gauge covering a range of 0 to 4 bar An 8 litre expansion vessel with an initial charge pressure of 0 75 bar Make up Water Provision must be made for replacing water loss from the system either a Fromamanually filled make up vessel with a readily visible water level The vessel should be mounted at least 150mm above the highest point of the system and be connected through a non return valve to the system fitted at least 150mm below the make up vessel on the return side of the radiators or b Where access to a make up vessel would be difficult by pre pressurisation of the system The maximum cold water capacity of the system should not exceed 143 litres if not pressurized However if the system is to be pressurized the efficiency of the expansion vessel will be reduced and a larger vessel or smaller system volume may be necessary If the capacity of the vessel is not considered sufficient for this or for any other reason an additional vessel MUST be installed on the return to the boiler Guidance on vessel sizing is given in Frame 2 Ideal Logic Combi Installation and Servicing 300 For other system volumes multiply by the factor across
67. eck if flue is blocked Check spark generator and Replace as necessary associated harness for continuity Replace Spark Generator and visual condition Refer to and Harness as necessary Frame 50 Are these functioning correctly Replace Ignition Electrode and associated harness as necessary Check ignition electrode and associated harness for continuity visual condition and position Refer to Frame 48 Are these functioning correctly Note due to the wave form of the rectified voltage the reading will vary depending on the type of meter used to measure the Check siphon and condensate value In general terms a reading greater NO drain pipe work for blockage and Replace Gas Valve than 150V indicates that the correct voltage rectify if necessary Boiler now is Supplied to the gas valve working OK FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING 52 Ideal Logic Combi Installation and Servicing FAULT FINDING 77 ALTERNATING F AND 3 FAN FAULT Does the wiring from the Fan to the PCB have secure connections at both ends and has not Rectify Wiring amp deteriorated Does the wiring have continuity connections Replace PCB Is there 230Vac at the Blue and Brown connections to the 3 way connection on the Fan Replace Fan 78 ALTERNATING F AND 4 THERMISTOR FAULT s the wiring securely connected to the Flow Thermistor NO Securely connect the wirin
68. ectrical safety should be carried out by a competent person ALWAYS carry out the preliminary electrical system checks i e earth continuity polarity resistance to earth and short circuit using a suitable test meter After wiring the boiler all grommets in the bottom panel MUST be in place to ensure that the boiler case sealing is maintained Gas Installation The whole of the gas installation including the meter should be inspected and tested for tightness and purged in accordance with the recommendations of BS 6891 In IE refer to 15 813 2002 Purge air from the gas installation by the approved methods WARNING Whilst effecting the required gas tightness test and purging air from the gas installation open all windows and doors extinguish naked lights and DO NOT SMOKE GENERAL Please Note The combustion for this appliance has been checked adjusted and preset at the factory for operation on the gas type defined on the appliance data plate DO NOT adjust the air gas ratio valve Having checked That the boiler has been installed in accordance with these instructions The integrity of the flue system and the flue seals as described in the Flue Installation section Proceed to put the boiler into operation as follows CHECK THE OPERATIONAL WORKING GAS INLET PRESSURE Set up the boiler to operate at maximum rate by opening hot tap to maximum flow With the boiler operating in the maximum
69. egister Technical Bulletin TB 008 where chimney flues are in voids The ECGA should be of the correct type as specified by BS 7967 Prior to its use the ECGA should have been maintained and calibrated as specified by the manufacturer The installer must have the relevant competence for use of the analyser Check and zero the analyser IN FRESH AIR in accordance with the analyser manufacturer s instructions KEY CO carbon monoxide CO carbon dioxide O2 oxygen Combustion Ratio The CO reading measured in ppm divided by the COz reading first converted to ppm ppm parts per million GS ISU R Gas Safety Installation and Use Regulations Ideal Logic Combi Installation and Servicing Set Boiler to Maximum Gas Rate In accordance with boiler instructions Carry Out Flue Integrity Check Using Analyser Insert analyser probe into air inlet test point where available and allow readings to stabilise Note Where no air inlet test point is provided then a flue integrity check with the analyser is not possible The installer should verify that flue integrity has set boiler to operate at maximum rate full load condition Allow sufficient time for combustion to stabilise Note Do not insert analyser probe during this period to avoid possible flooding of sensor been visually checked in accordance with the Prior to CO level and combustion ratio check see opposite page before proceeding to the check CO leve
70. egulations and the electrical provisions of the building regulations applicable in Scotland with respect to the installation of the boiler in a room or internal space containing a bath or shower For IE reference should be made to the current ETCI rules for electrical installations and 1 S 813 2002 If the appliance is to be installed in a room containing a bath or shower then providing water jets are not going to be used for cleaning purposes as in communal baths showers the appliance must be installed beyond Zone 2 as detailed in BS 7671 Compartment Installations Ceiling Recessed window Zone 2 3G8913a A compartment used to enclose the boiler should be designed and constructed specially for this purpose An existing cupboard or compartment may be used provided that it is modified for the purpose In both cases details of essential features of cupboard compartment design including airing cupboard installation are to conform to the following e BS 6798 No cupboard ventilation is required see Air Supply for details e The position selected for installation MUST allow adequate space for servicing in front of the boiler e For the minimum clearances required for safety and subsequent service see the wall mounting template and Frame 1 In addition sufficient space may be required to allow lifting access to the wall mounting plate GAS SUPPLY The local gas supplier should be consulted at the ins
71. eline of the turret to the outside of the wall terminal 24 kW appliances Total Maximum 9 metres minus any flue kit options or bends 30 kW Appliances Total Maximum 8 metres minus any flue kit options or bends 35 kW Appliances Total Maximum 6 metres minus any flue kit options or bends Total Maximum Permissible Vertical Flue Length combining both Roof Terminal and D Packs 24 30 amp 35kW Appliances Total Maximum 7 5 Metres minus any bends Powered Vertical Flue 24 30 amp 35kW Appliances Total Maximum 5 Metres Concentric Flue and 17m flue pipe only For additional details refer to the powered Vertical Instructions 90 Elbow Kit 60 100 Equivalent flue length resistance 1M 45 Elbow Kit 60 100 Equivalent flue length resistance 0 6M Minimum Horizontal Flue Lengths Centre line of turret to outside of wall terminal Telescopic Flue B Pack 400mm Horizontal Flue terminal 600mm long B Pack 285mm Wall Thickness Std Metric Brick 102 5mm wide B Pack Flue Type 60 100 Minimum permissible Wall Thickness Maximum permissible Wall Thickness Rear Flue Rear Flue Std Off Side Flue Rear Flue Rear Flue Std Off Side Flue Horizontal Flue Terminal 116 102 5 102 5 501 456 456 600mm long B Pack 1000mm long B Pack 1000mm long B Pack cut 75mm For Flue lengths between 658 amp 708 use a Horizontal Flue Terminal 1000mm long B Pack cut 75mm off the end of the terminal
72. ent wiring should comply with notes in Frame 31 Isolate the mains supply to the boiler Remove the front panel Refer to Frame 37 Swing the control box down into the service position Refer to Frame 43 Remove the live neutral and earth wires from the terminal block Loosen the cable clamp and withdraw the mains cable Route replacement cable back through the cable clamp and grommet and re tighten to provide cord anchorage Connect the live neutral and earth wires to the terminal strip When making the mains electrical connections to the boiler it is important that the wires are prepared in such a way that the earth conductor is longer than the current carrying conductors such that if the cord anchorage should slip the current carrying conductors become taut before the earthing conductor Swing the control box back up into the operating position and re fit the front panel ensuring a good seal is made 29 EXTERNAL ELECTRICAL CONTROLS Wiring External to the Boiler The fuse rating should be 3A Use of General Live for Room Stat Wiring external to the boiler MUST be in accordance with the current BS 7671 Wiring Regulations and any local regulations Frost Protection Optional Frost Stat If parts of the pipework run outside the house or if the boiler will be left off for more than a day or so then a frost thermostat should be wired into the system This is usually done at the programmer in which case the p
73. er RGII a BUR Lovv Mains Voltage Contact a qualified electrician or your electricty provider Unconfigured PCB Unconfigured PCB 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 burner Dunner 5 Boiler Resets in 15 minutes 1 Turn power off and on at the fused spur 2 f the boiler fails to operate 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 burner burner False Flame Lockout Reset 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 burner BCC Activation Fault Reset 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 burner burner BCC Fault burner Low Water Pressure Check system pressure is between 1 amp 1 5bar on the pressure gauge 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
74. euvre the plate heat exchanger out of the top LH or centre of the controls area Fit the new plate heat exchanger using the new o rings supplied Note The mounting pins are offset so the correct position can be defined from the location of the holes on the brass mounting 8 Reassemble in reverse order 9 Refill the boiler Refer to Frame 24 10 Check operation of the boiler Refer to Frame 32 amp 33 YS X GRUN 7 Type UP015 60 CESAQ3 Preasay 2300 2 50Hz ET GF SHH bt D gt Low Ideal Logic Combi Installation and Servicing SERVICING 65 CH WATER PRESSURE SENSOR REPLACEMENT Refer to Frame 43 Drain the boiler Refer to Frame 57 Remove condensate trap siphon Refer to Frame 53 Using a suitable tool pull out the retaining clip Pull the pressure sensor upwards to remove Unplug the electrical connection and transfer to the new pressure sensor Push the new pressure sensor onto the rear pump housing and fit retaining clip Reassemble in reverse order Refill the boiler Refer to Frame 24 10 Check Operation of the boiler Refer to Frames 32 amp 33 66 DHW FILTER amp DHW FLOW REGULATOR CLEANING REPLACEMENT Refer to Frame 43 Isolate the mains cold water supply to the boiler Drain the boiler DHW circuit Refer to Frame 57 Remove the DHW flow turbine cartridge Refer to Frame 61 Unscrew the flow regulator housing Remove the filter
75. g to the Water located in the top of the Heat Exchanger Flow Thermistor Disconnect the wiring from the Flow Thermistor Check the resistance using a suitable multimeter connected NO l l across the Thermistor s terminal pins Fit a new Thermistor At25 C expect 9 700 10 300 Ohms At60 C expect 2 400 2 600 Ohms At85 C expect 1 000 1 100 Ohms Is the Thermistor value correct Securely connect the wiring to the PCB YES Is the wiring securely connected to the low voltage 6 way connector at the front left hand side of the PCB ves Replace PCB 79 ALTERNATING F AND 5 RETURN THERMISTOR FAULT Remove the Return Thermistor from the CH Return Pipe and disconnect the wires Check the resistance using a suitable multimeter Fit a new Thermistor connected across the thermistor s terminal pins At 25 expect 9 700 10 300 Ohms At 60 expect 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 53 FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING 80 ALTERNATING F AND 6 OUTSIDE SENSOR FAULT 81 ALTERNATING c AND 2 BCC FAULT BOILER CHIP CARD Replace the BCC with a new BCC that is
76. 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 the current edition of 1 5 813 Domestic Gas Installations the current Building Regulations and reference should be made to the current ETCI rules for electrical installation Detailed recommendations are contained in the following British Standard Codes of Practice BS 5440 1 Flues for gas appliances of rated input not exceeding 70 kW BS 5440 2 Ventilation for gas appliances of rated input not exceeding 70 kW BSEN 12828 2003 Heating Systems in buildings Design for water based heating systems BSEN 12831 2003 Heating Systems in buildings Method for calculation of the design heat load BSEN 14336 2004 Heating Systems in buildings Installation and commissioning of water based heating systems BS 5546 Installation of gas hot water supplies for domestic purposes 2nd Family Gases BS 6798 Installation of gas fired hot water boilers of rated input not exceeding 70 kW BS 6891 Low pressure installation pipes Health amp Safety Document No 635 The Electricity at Work Regulations 1989 The manufacturer s notes must NOT be taken in any way as overriding statutory obligations IMPORTANT These appliances are CE certificated for safety and performance It is therefore important that no external control dev
77. hat this boiler OFF must be installed by a Gas Safe Registered Engineer in accordance with the above regulations 2 Set the mains mids knob control D to Off In IE the installation must be carried out by a Registered Gas Installer 3 Set We 77 Hot Water 12 control B and RGII and installed in accordance with the current edition of I S 813 Central Heating temperature control C to max Domestic Gas Installations the current Building Regulations and 4 Set the preheat control A to on reference should be made to the current ETCI rules for electrical 5 Ensure that all hot water taps are turned off installation 6 Switch ON electricity to the boiler and check that all It is essential that the instructions in this booklet are Strictly followed external controls e g programmer and room thermostat for safe and economical operation of the boiler are ON 20 7 Set the mode knob control to winter Ml 277777 2007 d The boiler will commence the ignition sequence first supplying A heat to preheat the domestic hot vvater and then to the central Supply 230 V 50 Hz The fusing should be 3A heating if required Note n normal operation the boiler status display E will Important Notes 156325 j play This appliance must not be operated without the casing correctly m fitted and forming an adequate seal Standby no demand for heat Ifthe boiler is installed in a compartment then the compartment mz CH
78. ices e g flue dampers economisers etc are directly connected to these appliances unless covered by these Installation and Servicing Instructions or as otherwise recommended by Ideal Stelrad Group in writing If in doubt please enquire Any direct connection of a control device not approved by Ideal Stelrad Group could invalidate the certification and the normal appliance warranty It could also infringe the Gas Safety Regulations and the above regulations SAFE HANDLING OF SUBSTANCES No asbestos mercury or CFCs are included in any part of the boiler or its manufacture GENERAL LOCATION OF BOILER The boiler must be installed on a flat and vertical internal wall capable of adequately supporting the weight of the boiler and any ancillary equipment The boiler may be fitted on a combustible wall and insulation between the wall and the boiler is not necessary unless required by the local authority For electrical safety reasons there must be no access available from the back of the boiler The boiler must not be fitted outside Timber Framed Buildings If the boiler is to be fitted in a timber framed building it should be fitted in accordance with the Institute of Gas Engineering document IGE UP 7 2006 Edition 2 Bathroom Installations This appliance is rated IP20 The boiler may be installed in any room or internal space although particular attention is drawn to the requirements of the current IEE BS 7671 Wiring R
79. ing the new gasket supplied Check dimensions as shown 8 Reassemble in reverse order 9 Check the operation of the boiler Refer to Frames 32 amp 33 Spark Gap Yi 3 5mm 1 1 40 Ideal Logic Combi Installation and Servicing SERVICING 49 FLAME DETECTION ELECTRODE REPLACEMENT 1 Refer to Frame 43 Flame Detection Electrode 2 Remove the burner Refer to Frame 46 3 Unplug the flame detection lead from the electrode 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 operation of the boiler Refer to Frames 32 amp 33 50 SPARK GENERATOR REPLACEMENT 51 GAS CONTROL VALVE REPLACEMENT Refer to Frame 43 1 Refer to Frame 43 2 Disconnect the leads from the spark generator Unplug the electrical lead connection from the gas control Remove the M5 screws securing the spark generator valve and disconnect the earth wire to the boiler chassis Undo the union nut on the outlet of the gas control valve Fit the new spark generator and re assemble in reverse order ensuring the two earth leads are correctly replaced Check operation of the boiler Refer to Frames 32 amp 33 Undo the gas inlet pipe union at the inlet to the gas control valve Loosen the back nut retaining the valve to the b
80. ing to BS7927 To ensure the continued safe and efficient operation of the appliance it is recommended that it is checked at regular intervals and serviced as necessary The frequency of servicing will depend upon the installation condition and usage but should be carried out at least annually It is the law that any service work must be carried out by a Gas Safe Registered Engineer In IE service work must be carried out by a Registered Gas Installer RGII INSPECTION 1 Light the boiler and carry out a pre service check noting any operational faults 2 Check the flue terminal and terminal guard if fitted is undamaged and clear of any obstruction 3 Check all water and gas joints for signs of leakage Remake any suspect joints ensuring a gas tightness check is carried out if applicable and the water system is correctly refilled vented and re pressurised CLEANING PROCEDURE Note In order to carry out either servicing or replacement of components the boiler front panel must be removed Refer to Frame 37 1 Clean the main burner Refer to Frame 39 2 Clean the heat exchanger amp condensate trap siphon Refer to Frames 40 amp 41 3 Check the main injector for blockage or damage Refer to Frame 45 4 Check that the flue terminal is unobstructed and that the flue system is sealed correctly ALSO IF THE DHW FLOW RATE IS IN QUESTION 5 Check the DHW filter for blockage Refer to Frame 66 The cleaning proce
81. ition Loop Ideal Logic Combi Installation and Servicing INSTALLATION 25 ELECTRICAL CONNECTIONS V ARNING This appliance MUST be earthed A mains supply of 230Vac 50 Hz is required The fuse rating should be 3A All external controls and wiring must be suitable for mains voltage Wiring external to the boiler MUST be in accordance with the current 1 E E BS 7671 Wiring Regulations and any local regulations 26 INTERNAL WIRING Wiring should be 3 core PVC insulated cable not less than 0 75mm 24 x 0 2mm and to BS 6500 Table 16 For IE reference should be made to the current ETCI rules for electrical installations Connection must be made in a way that allows complete isolation of the electrical supply such as a double pole switch having a 3mm 1 8 contact separation in both poles The means of isolation must be accessible to the user after installation The Logic Combi boiler comes pre fitted with 1 8m of mains cable This must be connected to a permanent live supply and NOT switched by thermostats programmers For installers wishing to change this cable refer to Frame 35 The Logic Combi boiler comes pre fitted with a link wire between the room thermostat Timer connections on the terminal strip This creates a permanent call for heat and must be removed when adding a room thermostat programmer To add thermostat programmer 1 Isolate the mains supply to the boiler 2 Remove the front panel
82. k Plus 3 1m pack Plus 4 1m pack Plus 5 1m D pack Plus 6 lm D pack Plus 7 1m D pack Plus 8 1m D pack Plus 9 1m D pack Max output 35 k Max output 30 kW Max output 24 kW Note Telescopic flue B Pack or attached pack extensions do not need to be cut betvveen 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 m R J 0 J Hi il 18 Ideal Logic Combi Installation and Servicing INSTALLATION 16 CUTTING amp SETTING THE FLUE LENGTH TELESCOPIC FLUES TELESCOPIC FLUE B PACK SHOULD ONLY BE ADJUSTED FOR USE WITHIN ITS SPECIFIED RANGE AND MUST NOT BE CUT HORIZONTAL FLUE TERMINAL 1000MM LONG B PACK TELESCOPIC MUST ONLY BE CUT IF REQUIRED FLUE LENGTHS ARE BETWEEN 602 amp 652MM THIS WILL REQUIRE 75MM TO BE CUT OFF THE TERMINAL END OF THE 1000MM TELESCOPIC FLUE ALL OTHER LENGTHS OBTAINED USING D PACK EXTENSIONS IN FLUE LENGTH TABLE 1 COLUMN HORIZONTAL FLUE TERMINAL 1000MM LONG B PACK CUT 75MM TELESCOPIC SHOULD HAVE THE 75MM CUT OFF THE D PACK EXTENSION AND NOT TELESCOPIC FLUE CUT 75MM OFF HORIZONTAL FLUE TERMINAL 1000MM LONG B PACK TELESCOPIC 1 Measure cut flue length A 44mm If required telescopic length is not between 658 and 708 then proceed to Setting Telescopic Flue B P
83. l and combustion ratio at maximum rate stage below Verify Flue Integrity Analyser readings indicate that combustion products and inlet air No must be mixing Further investigation of the flue is therefore required Check that flue components are assembled fixed and supported as per instructions Check that flue and flue terminal are not obstructed O2 more than or equal to 20 6 OR CO2 less than or equal to Yes Check CO level and Combustion Ratio at Maximum Gas Rate With boiler still set at maximum gas rate insert analyser probe into flue gas sampling point Allow readings to stabilise before recording Oz more than or equal to 20 6 OR CO2 less than or equal to Yes No Turn off appliance and call Ideal Technical Helpline for advice The appliance must not be commissioned until problems are identified and resolved If commissioning cannot be fully completed the appliance No must be disconnected from the gas supply in accordance with GSIUR CO level less han 350ppm AND ratio less than 0 0040 Check that no seals e g Those on flue extensions have Yes been displaced during installation Rectify if necessary Set Boiler to Minimum Gas Rate see opposite page In accordance with boiler instructions set boiler to operate at minimum rate to minimum load condition Allow sufficient time for combustion to stabilise CO level less than 350ppm AND
84. l seal Cutting Aid Wall Seal white D moo Ul 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 15 INSTALLATION INSTALLATION INSTALLATION 10 WALL MOUNTING TEMPLATE The wall mounting template is located on the internal protective packaging The template shows the position of the fixing and rear flue centre holes for a standard installation Care MUST be taken to ensure the correct holes are drilled 1 Tape template into the required position ensuring its squareness by hanging a plumbline as shown If fitting a side flue extend the flue centreline onto the side by 155mm on a standard wall fix or 200mm if using a stand off bracket Mark the following on to the wall a selected group of wall mounting screw holes b The centre position of the flue duct Marking both the centre and the circumference of the flue duct Remove the template plate from the wall 11 PREPARING THE WALL IMPORTANT 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 the hole is square to the wall Both wall faces immediately around the cut hole should be flat Drill 2 mou
85. lect For connections to an external soil vent stack see Fig 4 Insulation measures as described should be used When a rainwater downpipe is used an air break must be installed between the condensate drainage pipe and the downpipe to avoid reverse flow of rainwater into the boiler should the downpipe become flooded or frozen see Fig 5 Where the condensate drain pipe terminates over an open foul drain or gully the pipe should terminate below the grating level but above water level to minimise wind chill at the open end The use of a drain cover as used to prevent blockage by leaves may offer further prevention from wind chill See Fig 6 Where the condensate drain pipe terminates in a purpose designed soak away see BS 6798 any above ground condensate drain pipe sections should be run and insulated as described above See Fig 7 Unheated Internal Areas Internal condensate drain pipes run in unheated areas e g lofts basements and garages should be treated as external pipe Ensure the customer is aware of the effects created by a frozen condensate and is shown where this information can be found in the user manual Figure 2 Connection of a Condensate Drainage Pipe Downstream of a Sink Basin Bath or Shower Water Trap to Internal Soil Vent Stack Boiler with 75mm sealed condensate Min 19mm Internal pipe Sink basin bath or shower x o o o gt o o o
86. ler should be fitted in accordance with the manufacturer s instructions Self certification that the boiler has been installed to comply with Building Regulations can be demonstrated by completing and signing the Benchmark Commissioning Checklist Before installing this boiler read the Code of Practice sheet at the rear of this book BENCHMARK COMMISSIONING CHECKLIST DETAILS Boiler Make and model Burner operating pressure Appliance serial no on data badge Central heating flow temp measure and record SEDBUK No Central heating return temp measure and record Controls For combination boilers only Scale reducer Hot water mode Heat input Max operating burner pressure Auto bypass Max operating water pressure measure amp record Boiler interlock Cold water inlet temp measure amp record Hot water outlet temp measure amp record Flushing to BS 7593 Water flow rate at max setting measure amp record Inhibitor For condensing boilers only Central heating mode Condensate drain Heat input For all boilers complete sign amp 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 COLLECTIVE MARK INSTRUCTIONS WITH APPLIANCE THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS Ideal Logic Combi Installation and Servicing 5
87. lose the drain valve and open all system isolating valves re pressurise as appropriate by re connecting the filling loop refer to Frame 30 before proceeding to check operation of the boiler Disconnect filling loop Refer to Frame 24 Check operation of the boiler Refer to Frames 32 amp 33 Ry 7 fa un OHI T SERVICING 204626 9692d CH DOMESTIC HOT WATER CIRCUIT inlsi Balam Refer to Frame 43 Close all the DHW water isolating valves on the boiler inlet To drain the domestic hot water circuit As there is no direct drain for the domestic hot water circuit depending on the location of the boiler opening the lowest hot water tap may drain this circuit However it must be noted that some residual water will be experienced during replacement of components After replacing any component on the boiler close tap close the drain valve and open all system isolating valves re pressurise as appropriate by re connecting the filling loop refer to Frame 26 before proceeding to check operation of the boiler Disconnect filling loop Refer to Frame 24 Check operation of the boiler Refer to Frames 32 amp 33 58 PRESSURE GAUGE RENEWAL Refer to Frame 43 Drain the heating system Refer to Frame 57 Unscrew the pressure gauge and discard Fit new pressure gauge using suitable jointing compound Refill the boiler Refer to Frame 24 P 1 y 5 i CO Ol
88. ly the use of SCALEMASTER GOLD 100 FERNOX MBI ADEY MC1 or SENTINEL X100 inhibitors and associated water treatment products which must be used in accordance with the manufacturers instructions Notes 1 t is most important that the correct concentration Of the vvater treatment products is maintained in accordance vvith the manufacturers instructions Ifthe boiler is installed in an existing system any unsuitable additives MUST be removed by thorough cleansing BS 7593 2006 details the steps necessary to clean a domestic heating system n hard vvater areas treatment to prevent lime scale may be necessary hovvever the use of artificially softened water is NOT permitted Under no circumstances should the boiler be fired before the system has been thoroughly flushed 12 For further information contact Fernox Cookson Electronics Forsyth Road Sheerwater Woking Surrey GU21 5RZ 44 0 8706 015000 Sentinel Performance Solutions The Heath Business amp Technical Park Runcorn Cheshire WA7 4QX Tel 0800 389 4670 Scalemaster Water Treatment Products Emerald Way Stone Staffordshire ST15 OSR Tel 44 0 1785 811636 Calmag Ltd Unit 3 6 Crown Works Bradford Road Sandbeds Keighley West Yorkshire BD20 5LN Tel 44 0 1535 210320 Adey Professional Heating Solutions Gloucester Road Cheltenham GL51 8NR Tel 44 0 1242 546700 Ideal Logic Combi Installation and Servicing 6 INSTALLAT
89. n replace the PCB 777 Replace Gas Valve Check the detection electrode and associated harness for continuity visual condition and position Refer to Frame 49 Check if the condensate pipe is blocked Check flue is installed correctly Replace as necessary YES Unplug gas valve Is resistance between outside pins between 4k O 2 2 Check spark generator and associated harness for continuity and visual condition Refer to Frame 50 Are these functioning correctly Replace Spark Generator and harness as necessary Check siphon and condensate drain pipe work for blockage and rectify if necessary Boiler now working OK Replace Gas Valve Note due to the wave form of the rectified voltage the reading will vary depending on the type of meter used to measure the value In general terms a reading greater than 150V indicates that the correct voltage is supplied to the gas valve Replace Ignition Electrode and associated harness as necessary Check ignition electrode and associated harness for continuity visual condition and position Refer to Frame 48 Are these functioning correctly FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING FAULT FINDING 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 51 FAULT FINDING 74 ALTERNATING L AND 6 FALSE FLAME LOCKOUT
90. ntact Mark 2 ane with the terminal lip you have been measuring from see fig 1 Fit the internal wall seal approximately 65mm before the outer of the 2 location marks 2 Mark 2 Flush with For an internal fit place flue terminal in the centre of the 5 drilled ite inner wall seal hole in the wall Apply pressure and lightly move the flue left to right or up and down This will cause the outer flange to fold in and allow the flue to pass through the wall Push through a further 65mm or until the inner flange is press against the inner wall This will allow the outer flange to return to its original shape Correctly sealed wall 5 Cored drilled Al hole Pull back the flue until the first of the 2 location marks is level with the internal face of the wall Note If the 2 location marks are not visible then the flue is not pulled back far enough to obtain the correct seal If the 1st location mark has passed the face of the wall the flue has been pulled to far back and the outer wall seal will have been dislodged from its mounting and will need to be refitted Mark 1 Flush with inter wall When 1st mark is in line with the wall whilst holding the flue firmly push the white wall sealing flange to the wall until the 2nd of the two marks is just visible If the last location mark is clearly passed the white inner wall seal then the outer wall seal will have been dislodged from its mounting and will need to be re fitted
91. nting holes marked from template with a 7 5mm 8mm masonry drill and insert the plastic plugs provided for the wall mounting plate Locate 2 No 14 x 50mm screws in the wall mounting plate one at each side in any of the 3 holes provided at each Extended centre line 155 200 V m See Diagram in Frame 1 z Rear flue only 5 diameter hole Side flue only 5 diameter hole v Section through vvall Note Check all of the hole positions before drilling side and screvv home Ensure mounting bracket is level 12 FITTING THE WALL MOUNTING PLATE 13 MOUNTING THE BOILER Screw the wall mounting plate to the wall using 2 wall plugs 1 Ensure the plastic plugs are removed from both the CH previously fitted with the 2 screws provided and DHW connections before mounting the boiler Choose one of the 2 sets of slots in left and right bank Ensuring that at least one of the screws is fitted into a top slot and the mounting bracket is level Lift the boiler onto the wall mounting plate refer to the Introduction section for safe handling advice locating it over the two tabs Note boiler may contain residual water Example of fixing Ideal Logic Combi Installation and Servicing INSTALLATION 14 DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED IMPORTANT The boiler must be installe
92. owing completion of work providing advice and assistance by phone and if necessary visiting the customer Rectify any installation problems at no cost to the customer during the installers guarantee period www centralheating co uk 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 To maintain the boiler guarantee it is essential that the boiler is serviced annually by a Gas Safe registered engineer who has been trained on the boiler installed The service details should be recorded on the Benchmark Service Interval Record and left with the householder DCNCHIICN COLLECTIVE MARK THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS www centralheating co uk Heating and Hotwater Industry Council HHIC 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 Failure to install and commission according to the manufacturer s instructions an
93. position YES Are the Timer and the Room Thermostat switched NO on YES NO Are the Radiator Valves Open YES NO 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 YES Replace the Divertor Valve O Z Q Z IL J IL O Z Q Lu 9 Lu O Z Q Z IL O Z Q Lu J O Z Q IL J Lu Ideal Logic Combi Installation and Servicing O Z Q Z Lu J Lu O Z Q IL J O Z Q Z IL J q O Z Q Lu 9 q O Z Q 2 IL 9 q FAULT FINDING 83 NO HW BUT CH ON Does the display show d when a tap is on Are the flow rates correct as per Frame 2 YES Is the wiring between the PCB and the diverter valve motor connected YES Check diverter head fully engaged and clip secured onto waterset YES Is diverter stuck in the CH position YES Check and replace diverter valve motor head Is Boiler DHW NO sensor no continuity wateset Change diverter Valve cartridge rear section 84 Is there 230Vac to the boiler at L and N NO YES NO DISPLAY Is the wiring from the terminal block to the Main PCB connected securely Is the ribbon cable from the main PCB to the User Interface PCB connected securely Replace the User Interface PCB Is ribbon cable damaged Replace ribbon cable 5
94. put When ordering Primary PCB as a spare an additional 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 13 INSTALLATION INSTALLATION INSTALLATION 7 UNPACKING The boiler is supplied fully assembled in Pack A A telescopic or non telescopic flue assembly for rear or side flue outlet in Pack B is suppled as a separate order Unpack and check the contents Pack A Contents Boiler Hardware Pack Box Wall Mounting Plate These Installation Users Instructions Wall Mounting Template WALL MOUNTING TEMPLATE READ INSTALLATION INSTRUCTIONS BEFORE US Turret Clamp QO 7M O U gt Boiler Guarantee amp Registration Pack HARDWARE PACK CONTENTS Gas Valve Pack 1 Pipe Gas Inlet 2 Washer Gas blue Gas Valve Pack DHW Pack 3 Gas Cock i ET Filling Loop Pack 1 3 8 Hat VVasher 2 Plastic Chain x2 3 8 Blanking Cap x1 Valve Dbl Check Filling Loop x1 3 8 Fibre Washer x2 3 8 Blanking Cap Extended x1 Valve Filling Loop x1 Filling Loop 4 Filling Loop vvith 3 8 Nuts x1 CON D BW PD 1 Pipe C
95. r heat present sequence until the burner is established 575 c Boiler is active for central heating 10 If the boiler does not light code L e will be displayed After 5 5 l l attempts the boiler will lock out and display fault code L constantly 2 Boiler is active for domestic hot water Reset the boiler Refer to Frame 3438 The boiler will repeat its P Boileris heating up the plate heat exchanger ignition sequence f reset occurs 5 times within 15 minutes then l l 57 F Boiler is active for boiler frost protection L J will be shown If power is removed this will be reset 1 When the burner is established the BLUE Burner On neon F will ZONET N Serom ora 5 be illuminated the LED display E will show status blinking alternating with a number or letter to show i which error is detected DOMESTIC HOT WATER F Boiler has a fault for a specific error Display will be 11 With the boiler firing set the DHW Temp Control knob B to su salle tn ating l l maximum and fully open a DHW tap which error is detected Note Boiler frost protection boiler fires if temperature is The boiler should continue to run and the LED display E should below 5 degrees C show status 2 12 Ensure that with the boiler operating the dynamic gas pressure is Note The boiler incorporates a fan overrun cycle which able to obtain maximum output Refer to Table 2 MUST NOT be prematurely interrupted
96. racket and withdraw the valve forwards Fit the new gas control valve ensuring the two sealing washers are in place and reconnect gas and electrical connections Check operation of the boiler Refer to Frames 32 amp 33 Spark Generator Ideal Logic Combi Installation and Servicing SERVICING SERVICING 52 DIVERTER VALVE ACTUATOR REPLACEMENT Refer to Frame 43 Remove the electrical plug 3 Using a suitable tool pull out the retaining clip and lift the diverter head from the brass body Fit new actuator head and reassemble in reverse order Check operation of the boiler Refer to l Frames 32 2 49 Diverter Valve Actuator Retaining Clip SERVICING 53 CONDENSATE TRAP SIPHON REPLACEMENT 1 Refer to Frame 43 2 Pull off the rubber pipe at the sump drain 3 Disconnect the condensate drain pipe 4 Turn the siphon clockwise to disengage and lift to remove Note Keep siphon upright when removing Clean siphon with water Re assemble in reverse order When re assembling ensure the trap is full of water Check operation of the boiler Refer to Frames 32 amp 33 TELT wh N vas y m A N m H ih V WRG i lh 6 QDE T 3 Q Tt l tQ T QT 42 Ideal Logic Combi Installation and Servicing SERVICING 54 MAIN PCB REPLACEMENT Note that production boiler PCBs are factory pre set to operate for boiler range and
97. rates a removable flue outlet nose that utilises a push fit location system This enables the installation of deflector high level or balcony flue kits without the removal of the whole B pack terminal The appliance must not be operated without the desired outlet nose correctly fitted in place ensuring the side location dimples are in line with the mounting face allowing the correct sealing of the components It is IMPORTANT that all attachments are fitted in accordance to the installation instructions provided with them The TURRET supplied in the B Pack has an upper combustion sample point with a screw cap seal and a lower air sample point with an air stopper seal Ensure all caps amp seals are in place Additional Termination Kits available for use with these B packs Flue Deflector Kit The resistance is the equivalent of 1 metre of flue pipe and therefore must be deducted from any maximum flue length High Level Flue Outlet Kit The maximum permissible concentric flue length when using a standard 500mm kit is 4 5 metres Balcony Flue Outlet Kit The maximum permissible concentric flue length when using this kit is dependant on the length of the balcony flue outlet run which combined with the concentric run must not exceed the maximum flue length requirement of the appliance it is to be fitted to Total Maximum Permissible Horizontal Concentric Flue Length combining both B Packs and D Packs Measured from centr
98. rge point such as an internal soil and vent stack or kitchen or bathroom waste pipe etc See Figs 1 and 2 Figure 1 Connection of Condensate Drainage Pipe to Internal Soil amp Vent Stack Boiler with 75mm sealed condensate Min 19mm Internal pipe Soil amp vent stack Minimum connection height up to 3 storeys Boilers without 75mm sealed condensate trap must be fitted with a 75mm trap and visible air break 24 Condensate Pump Where gravity discharge to an internal termination is not physically possible or where very long internal pipe runs would be required to reach a suitable discharge point a condensate pump of a specification recommended by the boiler or pump manufacturer should be used terminating into a suitable internal foul water discharge point such as an internal soil and vent stack or internal kitchen or bathroom waste pipe etc fig 3 External Drain Connections The use of an externally run condensate drainage pipe should only be considered after exhausting all internal termination options as described previously An external system must terminate at a suitable foul water discharge point or purpose designed soak away If an external system is chosen then the following measures must be adopted The external pipe run should be kept to a minimum using the most direct and most vertical route possible to the discharge point with no horizontal sections in which condensate might col
99. rogrammer selector switches are set to OFF and all the other controls MUST be left in the running position The frost thermostat should be sited in a cold place but where it can sense heat from the system Note f the boiler is installed in a garage it may be necessary to fit a pipe Earths are not shown for clarity but must thermostat preferably on the return pipework never be omitted 3G9503 28 Ideal Logic Combi Installation and Servicing INSTALLATION WIRING DIAGRAM NOILY TIVWLSNI 970S6 9 9 40 09UUO BIIAIOS 151 L JOHA xe K OSS po12913 x 0 yueds 5 4 JOSUSS JINSS Jd 4 0 2094002 0011094402 pa 2 yueds Josuas 77 JO SILWUJOU 50 D L D L m Yes ES sisseud H 44 Te il 1 hs b rm m x E 61 5 4 1G ie Di v1zl9 zi ilzdeh iidelrisisiizeblsl l islebl vax ax x x T x JOIOIA SHUM MO 9A yuld Umoq yoelq niq 30 A JO 5 5 4 A 4 d J q yq q 29 Ideal Logic Combi Installation and Servicing INSTALLATION 30 INSTALLATION 31 COMMISSIONING AND TESTING Electrical Installation Checks to ensure el
100. rom the boiler before connection to any plastic piping The central heating system should be in accordance with BS 6798 and in addition for smallbore and microbore systems BS 5449 VVATER TREATMENT see Frame 5 BOILER CONTROL INTERLOCKS Central heating systems controls should be installed to ensure the boiler is switched off when there is no demand for heating in compliance with Building Regulations Heating systems utilising full thermostatic radiator valve control of temperature in individual 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 heating temperature control over a living dining area or hallway having a heating requirement of at least 10 of the minimum boiler heat output should be achieved using a room thermostat whilst other rooms are individually controlled by thermostatic radiator valves However if the system employs thermostatic radiator valves on all radiators or two port valves then a bypass circuit must be fitted with an automatic bypass valve to ensure a flow of water should all valves be in the closed position ELECTRICAL SUPPLY WARNING This appliance must be earthed Wiring external to the appliance MUST be in accordance with the current 1 E E BS 7671 Wiring Regulations and any local regulations which apply For IE reference should be made to the cu
101. rrent ETCI rules for electrical installations The mains supply to the boiler and system wiring centre shall be through one common fused double pole isolator and for new heating systems and where practical replacement installations the isolator shall be situated adjacent to the appliance CONDENSATE DRAIN Refer to Frames 22 23 amp 40 A condensate drain is provided on the boiler This drain must be connected to a drainage point on site All pipework and fittings in the condensate drainage system MUST be made of plastic no other materials may be used IMPORTANT Any external runs must be in accordance with BS 6798 The drain outlet on the boiler is sized for standard 21 5mm 3 4 overflow pipe It is a universal fitting to allow use of different brands of pipework GENERAL 1 BOILER DIMENSIONS SERVICES amp CLEARANCES The boiler connections are made on the boiler connection tails Refer to Frame 24 The following minimum clearances must be maintained for operation and servicing Additional space will be required for installation depending upon site conditions Side and Rear Flue a Provided that the flue hole is cut accurately e g with a core drill the flue can be installed from inside the building where CLEARANCES 25 gt 2 5 from case Side flue dim A all dimensions in mm wall thicknesses do not exceed 600mm 24 Where the space into which the boiler is going to be installed is les
102. rs com Tel 01482 492251 Fax 01482 448858 Registration No London 322 137 Ideal Stelrad Group pursues a policy of continuing improvement in the design and performance Ideal Consumer Helpline of its products The right is therefore reserved to vary specification without notice
103. ry to prevent damage to the system and to the building in the event of the system remaining inoperative during frosty conditions 4 Explain the function and the use of the boiler heating and domestic hot water controls Explain that due to system variations and seasonal temperature fluctuations DHW flow rates temperature rise will vary requiring adjustment at the draw off tap It is therefore necessary to draw the users attention to the section in the Users Instructions titled Control of Water Temperature and the following statement Additionally the temperature can be controlled by the user via the draw off tap the lower the rate the higher the temperature and vice versa 5 Explain the function of the boiler fault mode Emphasise that if a fault is indicated refer to Fault Codes in 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 f 9 If a timer is fitted draw attention to the timer Users Instructions and hand them to the householder Loss of system water pressure Explain that the dial underneath the boiler indicates the central heating system pressure and that if the normal COLD pressure of the system is seen to decrease over a period of time then a water leak is indicated Explain the re pressurising procedure and if unable to re pressurise or if the
104. s leaving the twin lockshield valves on the radiators referred to above in the OPEN position Turn up the room thermostat and adjust the lockshield valve to give an uninterrupted flow through the radiator These valves should now be left as set Open all manual or thermostatic radiator valves and adjust the lockshield valves on the remaining radiators to give around 20 C temperature drop at each radiator Adjust the room thermostat and programmer to NORMAL settings CENTRAL HEATING DOMESTIC HOT WATER The Logic Combi range of boilers have an ALUMINIUM In hard water areas where mains water can exceed 200ppm Total alloy heat exchanger Hardness as defined by BS 7593 2006 Table 2 a scale reducing IMPORTANT The application of any other treatment to this product may render the guarantee of Ideal Stelrad Group Invalid device should be fitted into the boiler cold supply within the requirements of the local water company The use of artificially softened water however is not permitted Ideal Stelrad Group recommend the use of Fernox Quantomat Sentinel Combiguard Calmag CalPhos scale reducing devices Ideal Stelrad Group recommend Water Treatment in or Scalemaster In line Scale Inhibitor branded Ideal which must accordance with the Benchmark Guidance Notes on Water be used in accordance with the manufacturers instructions Treatment in Central Heating Systems If water treatment is used Ideal Stelrad Group recommend on
105. s than the length of flue required the flue must be fitted from the outside Installation from inside ONLY b If a core boring tool is to be used inside the building the space in which the boiler is to be installed must be at least wide enough to accommodate the tool BOILER DIMENSIONS 278 Flue terminal 400 age aa a 71 Centre line of boiler a y 43 57 65 S CH Flovv DHW Outlet DHW Inlet Gas Inlet Condensate Drain 1007700001 Min Top Clearance A 165mm Rear flue type Min Top Clearance A SIDE Flue type 167 193 219 245 271 ii See inset Front clearance The minimum front clearance when built in to a cupboard is 5mm from the cupboard door but 450mm overall clearance is still required with the cupboard door open to allow for servicing Bottom clearance 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 297 323 349 375 401 Distance from Horizontal mm required to achieve 1 5deg fall to the appliance 26 52 78 104 130 156 182 208 234 mm 1 5 degree Top Clearance ce nn s n n s n s DE 2 0 3 0 bill 4 0
106. t 5m primary and 17m secondary is a typical maximum length For alternative details refer to Powered Vertical Instructions Weather Collar High Level Flue Outlet Kit Flue Deflector Kit Balcony Flue Kit Raised Horizontal Flue Outlet Kit Adjustable Flue Support Bracket Mechanical Timer 24 hr Kit Electronic Timer 7 day kit RF Mechanical Programmable Room Thermostat 24 hr kit RF Electronic Programmable Room Thermostat 7 day kit Weather Compensation Kit Stand Off Kit Stand Off Kit inc pipes DHW Expansion Vessel Kit Pre Piping Frame Kit Condensate Pump Kit Security Bracket Kit PRV Wall Outlet Kit Pressure Gauge Extension Kit RF Mechanical Timer and Room Thermostat Kit Ideal Logic Combi Installation and Servicing SAFETY Current Gas Safety installation and use regulations or rules in force The appliance is suitable only for installation in GB and IE and should be installed in accordance with the rules in force In GB the installation must be carried out by a Gas Safe Registered Engineer It must be carried out in accordance with the relevant requirements of the e Gas Safety Installation and Use Regulations e The appropriate Building Regulations either The Building Regulations The Building Regulations Scotland Building Regulations Northern Ireland The Water Fittings Regulations or Water byelaws in Scotland e The Current 1 E E Wiring Regulations Where no specific instructions are
107. tallation planning stage in order to establish the availability of an adequate supply of gas An existing service pipe must NOT be used without prior consultation with the local gas supplier The boiler MUST be installed on a gas supply with a governed meter only A gas meter can only be connected by the local gas supplier or by a Gas Safe Registered Engineer In IE by a Registered Gas Installer RGII An existing meter should be checked preferably by the gas supplier to ensure that the meter is adequate to deal with the rate of gas supply required It is the responsibility of the Gas Installer to size the gas installation pipework in accordance with BS6891 2005 Whilst the principle of the 1 1 gas valve ensures the Logic range is able to deliver it s full output at inlet pressures as low as 14mb other gas appliances in the property may not be as tolerant When operating pressures are found to be below the minimum meter outlet of 19mb these should be checked to ensure this is adequate for correct and safe operation Allowing for the acceptable pressure loss of 1mb across the installation pipework it can be assumed that a minimum permitted operating pressure of 18mb will be delivered to the inlet of the appliance Reference BS 6400 1 Clause 6 2 Pressure Absorption The external gas cock could further reduce the operating pressure when measured at its test point The pressure drop is relative to the heat input to the boiler kW
108. tems a amp b will be displayed then Boiler Connection Type Card Fault Contact Installer The correct BCC for this appliance will need to be fitted 11 Check operation of the boiler Refer to Frames 32 amp 33 55 USER CONTROL PCB REPLACEMENT Note Fit the earth strap provided with the PCB to your wrist and a suitable earth on the boiler chassis Refer to Frame 43 Remove the main refer to Frame 54 Unclip the PCB and lift to clear the mounting posts Fit the new PCB ensuring the 4 potentiometer spindles line up with the control knobs which must be in a vertical position Reassemble in reverse order Check operation of the boiler Refer to Frames 32 amp 33 Ideal Logic Combi Installation and Servicing 43 SERVICING SERVICING 56 DHVV FLOW TURBINE SENSOR REPLACEMENT 1 Refer to Frame 43 Remove condensate trap siphon Refer to Frame 53 Lift off the flow turbine sensor plastic retaining clip Unplug the electrical connection and transfer to new turbine sensor Reassemble in reverse order 6 Check operation of the boiler Refer to Frames 32 amp 33 57 DRAINING THE BOILER CENTRAL HEATING CIRCUIT Filling Loop Refer to Frame 43 Close all the CH water isolating valves on the boiler inlet To drain the primary heat exchanger circuit Open the drain valve and attach a length of hose to the CH drain point After replacing any component on the boiler remove the hose c
109. terference to sealed settings on the gas valve will adversely affect operation and render our warranty void It is important the burner is not operated before the system is fully vented of air If it is necessary to operate the appliance pump to assist venting of the air this must be done with the gas service cock turned off 2 Refit the boiler front panel Refer to Frame 37 For additional gas supply information refer to Gas Supply 3 Check that the drain cock is closed and that the CH and DHW 90 Page 8 isolating valves L M and G are OPEN 13 Turn off the DHW tap 4 Check that the electrical supply is OFF 5 Check that the boiler mode control knob D is off 6 Check that the gas service cock K is OPEN 7 Slacken the screw in the inlet pressure test point J and connect THE DISPLAY a gas pressure gauge via a flexible tube The user control has one neon and one display to inform the user about the status The display will show the status of the boiler The neon will show the status of the flame If no flame is detected the neon is off When the flame is detected the neon will be lit permanently 8 Switch the electricity supply ON and check all external controls are calling for heat CENTRAL HEATING 9 Set the CH temp control C to max and turn the mode control knob Below is a list with display function in normal operation to 77 The boiler control should now go through its ignition Standby no demand fo
110. tion or 34 9 MJ m 935 Btu ft nett l l PMS Maximum operating pressure of water To obtain the gas consumption at a different calorific value C C C A room sealed appliance designed for connection via ducts to a horizontal or vertical terminal which admits fresh air to the burner a For l s divide the gross heat 7 and discharges the products of combustion to the outside through kW by the gross C V of the gas orifices which in this case are concentric The fan is up stream of b For ft h divide the gross heat input Btu h the combustion chamber by the gross C V of the gas Btu ft c For m h multiply l s by 3 6 An appliance designed for use on 2nd Family gas Group H only 4 Ideal Logic Combi Installation and Servicing GENERAL CONTENTS Air Supply Benchmark Commissioning Checklist IDEAL LOGIC COMBI Natural Gas only Boiler size Boiler Clearances Benchmark No Boiler Exploded Diagram 86 CL 08 Condensate Drain 86 CL 08 Electrical Connections 47 348 58 86 CL 08 Electrical Supply Fault Finding Destination Country GB IE Flue Fitting Flue Installation Gas Safety Regulations Gas Supply Installation Safe Handling Servicing Spare Parts Info Thermostatic Radiator Valves Water and Systems Water amp Gas Connections Water Treatment Wiring Diagram For GB to comply with Building Regulations Part L1 Part 6 in Scotland the boi
111. to suitable showers ensure that a The cold inlet to the boiler is fitted with an approved anti vacuum or syphon non return valve b Hot and cold water supplies to the shower are of equal pressure Hard Water Areas Where the water hardness exceeds 200mg litre 200 ppm it is recommended that a proprietary scale reducing device is fitted into the boiler cold supply within the requirements of the local water company IMPORTANT Provision must be made to accomodate the expansion of DHW contained within the appliance If the DHW inlet contains a back flow prevention device or non return valve e g a water meter then a mini expansion vessel should be fitted between the device and the boiler in the cold inlet pipe Cold water rising main and pipework in exposed areas need to be suitably lagged to prevent freezing Note DHW Expansion Vessel kit available from Ideal 5 WATER TREATMENT 4 SYSTEM BALANCING The boiler does not normally need a bypass but at least some radiators on the heating circuit of load of at least 10 of the minimum boiler output must be provided with twin lockshield valves so that this minimum heating load is always available See note regarding thermostatic radiator valves on page 9 Note Systems incorporating zone valves which could completely cut off the flow through the system must also include a bypass BALANCING 1 Set the programmer to ON Close the manual or thermostatic valves on all radiator
112. uld be turned OFF at the time switch if fitted ONLY The mains supply should be left switched ON with the boiler thermostat left in the normal running position Boiler Overheat Protection The boiler controls will shut down the boiler in the event of overheating Should this occur a fault code L will be displayed Refer to fault chart Flame Failure Should this occur a fault code F c will be displayed Refer to fault chart continued E F Loss of system vvater pressure The gauge G indicates the central heating system pressure If the pressure is seen to fall below the original installation pressure of 1 2 bar over a period of time then a water leak may be indicated In this event conduct the re pressurising procedure as shown below If unable to do so or if the pressure continues to drop a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGII should be consulted THE BOILER WILL NOT OPERATE IF THE PRESSURE HAS REDUCED TO LESS THAN 0 3 BAR UNDER THIS CONDITION To re pressurise 1 0 p Ensure filling loop isolation valves are closed Remove the left hand caps Attach on the filling loop Turn the filling loop isolation valves to the open position The system will now fill Wait for pressure gauge to reach 1 to 1 5 bar Close the filling loop isolation valves Disconnect the filling loop at left hand side and angle upwards Replace caps 1 Closed position
113. ur current warranty policy we would ask that you check through the following guide to identify any problems external to the boiler prior to requesting a service engineers visit Should the problem be found to be other than with the appliance we reserve the right to levy a charge for the visit or for any pre arranged visit where access Is not gained by the engineer TROUBLESHOOTING NO HOT WATER NO CENTRAL HEATING NO HOT WATER OR CENTRAL HEATING Check the mains switch fused Check the mains switch fused spur is turned on and ensure spur is turned on and ensure switch mode control knob D is switch mode control knob D is Check the fused spur is turned on and ensure switch mode control knob D is in the winter position in the summer or winter position in the winter position Check the programmer internal s water coming out of the hot NO or external to the boiler is in water tap when turned on an ON position and the room thermostat is turned up YES Does the boiler have a display showing on the front control panel See boiler Fault Codes section If 0 is displayed then contact Ideal Customer Services Helpline if your appliance is YES under warranty or a Gas Safe Registered Engineer in IE a Check the time settings on the Contact a Gas Safe Registered Registered Gas Installer RGII programmer are as you require Engineer or in IE a Registered if out of warranty and adjust if necessar
114. vicing ROOM THERMOSTAT NO TIMER WIRING 1 Remove link wire between Room stat timer terminals 2 Connect room stat across terminals as shown in diagram A see Frame 27 3 f room stat has a neutral connection connect this to terminal N load in the fused spur ROOM THERMOSTAT TIMER WIRING 1 Remove link wire between Room stat timer terminals 2 Connect room stat and programmer in series as shown in diagram B see Frame 27 3 If room stat has a neutral connection connect this to terminal N load in the fused spur FROST THERMOSTAT WIRING If parts of the system are vulnerable to freezing or the programmer is likely to be left off during cold weather a frost stat should be fitted in conjunction with a pipe thermostat 1 Position the frost thermostat in a suitable position i e area vulnerable to freezing 2 Connect frost stat across terminals marked frost stat as shown in diagrams A and B see Frame 27 2 INSTALLATION INSTALLATION INSTALLATION 27 INTERNAL WIRING DIAGRAM A DIAGRAM B Internal Timer or External Programmable Room Stat O O JO d l Optional Optional Frost Stat d Frost Stat a FROST STAT OL STAT OPTIONAL optionat Hol 75 OO ooo 28 REPLACING PRE FITTED MAINS CABLE If it is necessary to use an alternative mains cable to the one pre fitted then use the following guide Replacem
115. w safe discharge through a wall to the outside of the building This is particularly relevant to high rise installations but can be used for all installations Safety Valve Drain Connection 15mm elbow or fittings not supplied Safety Valve Drain Pipe 26 Note that all isolation handles are shown in the open postion Note domestic hot water flow rate is automatically regulated to a maximum 24 9 9 l m 2 2 gpm l m 2 8 gpm l m 3 2 gpm 30 12 4 35 14 5 FILLING IMPORTANT when filling When filling there may be a slight water leak from the air vent therefore electrical connections should be protected Ensure Filling Loop is connected 2 Ensure dust cap on auto air vent is slackened off refer to Frame 66 3 Check all isolation handles on all water connections are in the open position 4 Open handle on the filling loop then slowly open handle until pressure gauge reads between 1 to 1 5 bar 5 Once pressure gauge dial reads between 1 1 5 bar turn the filling loop isolation valves back to the closed position 6 Disconnect filling loop at the LH side ensuring top hat washer is retained and screw on blanking cap 7 Connect extended blanking cap and top hat washer to filling loop pipe Note Fully open all DHW taps and ensure water is flowing freely Once satisfied close all taps Handle 6 Shown in closed position Handle Shown in closed pos
116. y Gas Installer RGII Does the boiler operate and NO provide central heating See boiler Operation Modes and Fault Codes section See boiler Operation Modes and Fault Codes section If O is displayed then contact a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGII Contact a Gas Safe Registered Engineer or in IE a Registered Gas Installer RGII continued Ideal Logic Combi User s 5 OPERATION MODES DISPLAY CODE ON BOILER DESCRIPTION burner The boiler is in standby mode awaiting either a central heating call or hot water demand burner The boiler has a call for central heating but the appliance has reached the desired temperature set on the boiler L burner The boiler has a call for hot water but the appliance has reached the desired temperature set on the boiler 2 burner The boller is operating in central heating mode s Burner The boiler is operating in hot water mode burner The boiler is operating in pre heat mode P b burner The boiler is operating in frost mode cw continued 6 Ideal Logic Combi User s FAULT CODES burner burner Outside Sensor Failure Reset 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 Install
117. y a hot water bottle microwaveable heat pack or a warm damp cloth to the frozen blockage area Several applications may have to be made before it fully defrosts Warm water can also be poured onto the pipe from a watering can or similar DO NOT use boiling water 3 Caution when using warm water as this may freeze and cause other localised hazards 4 Once the blockage is removed and the condensate can flow freely reset the appliance Refer to To Light the boiler 5 If the appliance fails to ignite call your Gas Safe Registered engineer Preventative solutions During cold weather set the boiler stat to maximum Must return to original setting once cold spell is over Place the heating on continuous and turn the room stat down to 15 C overnight or when unoccupied Return to normal after cold spell Escape of gas Should a gas leak or fault be suspected contact the National Gas Emergency Service without delay Telephone 0800 111 999 Do NOT search for gas leaks with a naked flame Cleaning For normal cleaning simply dust with a dry cloth To remove stubborn marks and stains wipe with a damp cloth and finish off with a dry cloth DO NOT use abrasive cleaning materials Maintenance 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 POINTS FOR THE BOILER USER Note n line with o

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