TermoTeknik LOGIC Combi 31 Installation And Servicing Download | Manualshive

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INSTALLATION

AND SERVICING

LOGIC Combi
C26/35, C31/35

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 Termo Teknik.

08/2016
UIN 215345 A01

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Summary of Contents for LOGIC Combi 31

Page 1: ...lacing 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 Termo Teknik 08 2016 UIN 215345 A01 ...

Page 2: ...2 Installation and Servicing ...

Page 3: ... QUERIES PLEASE RING THE TERMO TEKNIK CONSUMER HELPLINE 0212 4041404 NOTE BOILER RESTART PROCEDURE To restart boiler press the RESTART button The boiler will repeat the ignition sequence if a heat demand is present NOTES FOR THE INSTALLER ...

Page 4: ...ing pressure of water C13 C33 A room sealed appliance designed for connection via ducts to a horizontal terminal which admits fresh air to the burner and discharges the products of combustion to the outside through orifices which in this case are concentric The fan is up stream of the combustion chamber I2H An appliance designed for use on 2nd Family gas Group H only Required for maximum flow rate...

Page 5: ...ctions 27 Electrical Supply 9 Fault Finding 50 55 Flue Fitting 17 23 Flue Installation 8 Gas Safety Regulations 7 Gas Supply 8 Installation 13 33 Pump 46 Safe Handling 6 Servicing 34 49 Spare Parts Info 56 Thermostatic Radiator Valves 9 Water and Systems 9 11 12 Water Gas Connections 26 Water Treatment 12 Wiring Diagram 29 Natural Gas only Destination Country TR IDEAL TERMO TEKNIK LOGIC COMBI C ...

Page 6: ...system is supplied at the selected temperature of between 30o C and 80o 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 26 35 14 5 l min at 35 o C temperature rise 31 35 15 5 l min at 35 o C temperature rise The DHW draw off rate specified above is the nominal that the boiler flow regul...

Page 7: ...nd the above regulations SAFE HANDLING OF SUBSTANCES No asbestos mercury or CFCs are included in any part of the boiler or its manufacture 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 boi...

Page 8: ...rior 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 Termo Teknik Authorised Service 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 req...

Page 9: ...allway 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 shou...

Page 10: ...that the flue hole is cut accurately e g with a core drill the flue can be installed from inside the building where wall thicknesses do not exceed 600mm 24 Where the space into which the boiler is going to be installed is less 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 i...

Page 11: ...other reason an additional vessel MUST be installed on the return to the boiler Guidance on vessel sizing is given in Frame 2 Notes a The method of filling refilling topping up or flushing sealed primary hot water circuits from the mains via a temporary hose connection is only allowed if acceptable to the local water authority b Antifreeze fluid corrosion and scale inhibitor fluids suitable for us...

Page 12: ... fired before the system has been thoroughly flushed For further information contact Fernox Cookson Electronics Forsyth Road Sheerwater Woking Surrey GU21 5RZ 44 0 870 601 5000 Sentinel Performance Solutions The Heath Business Technical Park Runcorn Cheshire WA7 4QX Tel 0800 389 4670 Scalemaster Water Treatment Products Emerald Way Stone Staffordshire ST15 0SR Tel 44 0 1785 811636 Calmag Ltd Unit ...

Page 13: ...jector 211 Injector Assy 214 Venturi 215 Fan 217 Burner 218 Gasket Burner 219 Sump Clean Out Cover 223 Flue Manifold 224 Flue Manifold Top 227 Clamp Retaining Flue Turret 228 Hose Condensate Internal 229 Siphon Trap 231 Condensate Outlet Connection 302 PCB 304 Control Thermistor Return 306 Electrode Ignition 307 Electrode Detection 308 Ignitor Unit 309 Thermistor Flow 313 Ignition Lead 314 Control...

Page 14: ...late F Boiler Guarantee Registration Pack HARDWARE PACK CONTENTS Gas Pack 1 G 3 4 washer 2 Adaptor 3 G 1 2 washer Return Connection Pack 1 Pipe CH Return 2 G 3 4 washer x 2 3 G 1 2 washer x 2 4 Filling loop 5 Return connection DHW Pack 1 Valve Return DHW 2 G 1 2 washer x 4 3 Nut 1 2 4 Pipe DHW Inl et 5 Pipe DHW outlet Accessory Pack 1 Screw x2 2 Wallplug x2 3 Turret Clamp Screw spare x1 Flow Conne...

Page 15: ...B Contents A Flue terminal B Flue turret C Rubber terminal wall seal D Cutting Aid 8 UNPACKING CONT D A D B C 1 Loosen the 2 screws retaining the front panel 2 Pull the two clips downwards to disengage 3 Pull the front panel forward and upwards to remove 1 2 INSTALLATION ...

Page 16: ...he wall Both wall faces immediately around the cut hole should be flat 2 Drill 2 mounting holes marked from template with a 7 5mm 8mm masonry drill and insert the plastic plugs provided for the wall mounting plate 3 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 side and screw home Ensure mounting bracket is level 13 MOUNTING THE BOI...

Page 17: ...embly The B pack terminal is classed as part of the maximum flue length 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 seals are in place Total Maximum Permissible Horizo...

Page 18: ... 5mm 15 DETERMINING THE FLUE LENGTH AND FLUE PACKS REQUIRED CONT D Shows the flue required when measured from outside edge of turret to the outside face of the wall to obtain cut length add 44mm Flue B Pack Types Horizontal Flue Terminal 1000mm long B Pack Minimum Maximum B Pack Standard 181 844 Plus 1 1m D pack 1121 1794 Plus 2 1m D pack 2071 2744 Plus 3 1m D pack 3021 3694 Plus 4 1m D pack 3971 ...

Page 19: ... 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 3 Dress the cut end to make sure all burr s are removed and the cut edge 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 5 Remove all burrs and place a light...

Page 20: ... away for clarity Terminal Lip Wall Seal Lip FITTING FLUE THROUGH THE WALL 1 Measure wall thickness and add 14mm 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 3 Fit external black wall seal ensuring the inside of the outer lip is in contact with the terminal lip you have been measuring from see fig 1 4 For an in...

Page 21: ...his is achieved by using either Flat roof weather collar or Universal weather collar ACCESSORIES Flue Duct Extension Kits are available for flue lengths extending beyond 1m These packs contain 1m extension ducts and may be cut to the desired length If the offset vertical option is used an elbow Kit is required For a full accessories list refer to page 6 Optional Extras Flue duct support Vertical C...

Page 22: ...tions where this could cause a nuisance should be avoided Minimum dimensions are shown below rf8392 Terminal Position Minimum Dimension Directly below an opening air brick windows etc 300 mm Below plastic painted gutters 300 mm Painted surface 300 mm Below eaves or balcony 500 mm Below velux windows 2000mm Above or side of velux windows 600mm R F 9 8 0 7 A A B A A 600mm B 2000mm The flue terminal ...

Page 23: ...tructions provided with the vertical connector kit 3 Secure the vertical connector by applying downward pressure on the connector 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 vertical...

Page 24: ...rain 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 minimu...

Page 25: ...m connection height up to 3 storeys Soil vent stack 450 Boiler with 75mm sealed condensate trap Min Ø 19mm Internal pipe Min Ø 30mm Internal pipe Water weather proof insulation 75 Boilers without 75mm sealed condensate trap must be fitted with a 75mm trap and visible air break Visible air break at plug hole Min Ø 19mm Internal pipe Sink basin bath or shower with integral overflow and 75mm trap Min...

Page 26: ... hardware box is colour coded to match the positions indicated on the label fitted to the bottom of the boiler Ensure each union is fitted with fibre seals provided Do not subject any of the connectors to heat as the seals may be damaged WATER CONNECTIONS CH 1 Fit the CH flow service connector green pack and copper tail provided in the hardware pack to the threaded boss connection provided at the ...

Page 27: ...nnected to a permanent live supply and NOT switched by thermostats programmers If the supply cord is damaged it must be replaced by the manufacturer service agent or similarly qualified persons in order to avoid hazard Accessing the installer wiring 1 Isolate the mains supply from the boiler 2 Remove the front panel Refer to section 36 3 Swing down the control box into the service position unclip ...

Page 28: ...DIAGRAM B Room Stat with External Timer Programmable Room Stat or Room Stat with Internal Timer Optional Room Stat or Optional Frost Programmable Frost Stat Room Stat Stat Room Stat Timer Frost Room Frost Room Stat Stat L N Stat Stat L N Optional Timer Optional Timer DIAGRAM C Use of General Live for Room Stat Optional Room Stat Frost Stat Mains In Frost Room Stat Stat L N Optional Timer DIAGRAM D...

Page 29: ... DHW LIVE X3 PUMP GND X9 X8 OWC OWC OPENTHERM OPENTHERM OPENTHERM 5V CHIP COM BUS TX CHIP COM BUS 24V CHIP COM BUS GND CHIP COM BUS 5V CHIP COM BUS RX MAINS LIVE MAINS NEUTRAL AUXILIARY LIVE IONISATION 2 2 FLOW DHW DHW X7 1 3 2 1 1 1 2 3 4 5 6 2 WPS SIGNAL WPS GND FLUE FLUE RETURN RETURN 1 3 2 1 3 2 1 TIMER LINK 3 2 1 black grey red green blue brown green yellow orange pink violet yellow bk gy r g...

Page 30: ...ration on the gas type defined on the appliance data plate No measurement of the combustion is necessary DO NOT adjust the air gas ratio valve Having checked That the boiler has been installed in accordance 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 OPERATION...

Page 31: ... 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 knob D to The boiler control should now go through its ignition sequence until the burner is established 10 If the boiler does not light then after 5 attempts the boiler will lock out and display fault code L2 Restart the boiler Refer to Frame 33 The boiler will repeat its ...

Page 32: ... to OFF The burner should go off and the pump continue to run for two minutes The display should read 6 Check the correct operation of the timer if fitted and all other system controls Operate each control separately and check that the main burner responds Make the following checks for correct operation in WATER CIRCULATION SYSTEM 1 With the system COLD check that the initial pressure is correct t...

Page 33: ...ting and hot water consumption Advise the User of the precautions necessary 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 w...

Page 34: ...lly in Frames 37 41 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 re...

Page 35: ... screws and release the nozzle assembly 6 Inspect the injector for blockage or damage 7 Inspect fan outlet sealing gasket and replace if necessary 1 2 3 5 Injector REMOVAL 1 Loosen the two screws retaining the front panel 2 Pull the two clips down to disengage and pull panel forward and upward and remove REPLACEMENT 3 Hook the panel onto the top retaining clips 4 Push the panel until the 2 bottom ...

Page 36: ...The burner head is a ceramic plaque construction Care must be taken to ensure that the burner is not placed down upon its face as this may cause damage to the ceramic 6 Brush off any deposits that may be on the ceramic with a SOFT brush 7 Inspect the sealing gasket around the burner for any signs of damage Replace as necessary 5 1 1 Pull off the rubber pipe at the sump drain 2 Disconnect the conde...

Page 37: ... that the ignition and detection gaps are correct Refer to Frames 47 48 1 Ignition Electrode Flame Detection Reassemble the boiler in the following order 1 Ensure that the condensate trap siphon is full of water 2 Refit the burner ensuring the sealing gasket is correctly positioned and free from damage tighten the 4 fixing screws in the sequence shown below 3 Refit the fan venturi assembly ensurin...

Page 38: ... order taking care not to overtighten the screw on the fan mounting bracket and ensure all gas o rings are in place 10 Check the operation of the boiler Refer to Frames 31 32 2 4 6 8 Retaining Tabs 3 42 REPLACEMENT OF COMPONENTS GENERAL When replacing ANY component 1 Isolate the electricity supply 2 Turn off the gas supply 3 Remove the boiler front panel Refer to Frame 36 4 Swing the control box d...

Page 39: ...order ensuring that the new gas seal supplied is located correctly in the injector housing 10 Check operation of the boiler Refer to Frames 31 32 4 3 3 45 BURNER REPLACEMENT 5 5 6 1 See Frame 38 2 Refer to Frame 42 3 Undo the two screws and remove the sump cover 4 Lift the manifold to clear the bottom sealing gasket and remove manifold 5 Remove the 2 front fixing screws and loosen the 2 rear exten...

Page 40: ...eassemble in reverse order 9 Check the operation of the boiler Refer to Frames 31 32 46 RETURN THERMISTOR RENEWAL 1 Refer to Frame 42 2 Unclip the return thermistor from the return pipe and withdraw it from the boiler 3 Disconnect the electrical lead from the thermistor 4 Reconnect the electrical lead to the new thermistor and reassemble in reverse order ensuring that the thermistor is securely fi...

Page 41: ...ip and slide the pipe upwards 4 Undo the gas inlet pipe union at the inlet to the gas valve 5 Undo the single screw fixing the gas valve to the mounting bracket and withdraw the valve forwards 6 Fit the new gas control valve ensuring that the o ring and sealing washer are in place and reconnect gas and electrical connections 7 Check the operation of the boiler Refer to Frames 31 32 4 5 3 2 48 FLAM...

Page 42: ...or 3 Before replacing the diverter valve actuator proceed as follows a Ensure that the switched live to the boiler is off and that all DHW taps are shut and that pre heat is switched off b Press and hold the PREHEAT and RESTART buttons together for more than 5s the last 3 faults will then be shown in sequence before SL is shown c Press PREHEAT SH will be shown d Press PREHEAT UF will be shown e Pr...

Page 43: ...display shows F9 e Using central heating knob rotate clockwise or anticlockwise to show C for Combi then press RESTART button f Using central heating knob rotate clockwise or anticlockwise to show n for Natural Gas then press restart button g Using central heating knob rotate clockwise or anticlockwise to show boiler size select either 31 or 35 then press RESTART button h Display shows C n Boiler ...

Page 44: ... hose to the CH drain point 4 After replacing any component on the boiler remove the hose close the drain valve and open all system isolating valves re pressurise as appropriate by re connecting the filling loop refer to Frame 24 before proceeding to check operation of the boiler 5 Disconnect filling loop Refer to Frame 24 6 Check operation of the boiler Refer to Frames 31 32 CH Circuit Drain CH F...

Page 45: ... Cap 1 Refer to Frame 42 2 Drain the boiler Refer to Frame 55 3 Remove the clip on return thermistor Refer to frame 46 4 Pull out and remove the clip positioned behind the safety valve retaining the safety valve 5 Undo the safety valve pipe compression fitting positioned outside the boiler casing 6 Lift out the safety valve pipe assembly 7 Remove the safety valve pipe and transfer to the new safet...

Page 46: ... 3 8 Remove DHW Turbine electrical connection Refer to Frame 54 no 3 9 Remove the DHW plate heat exchanger note orientation Refer to Frame 61 10 Undo the safety valve pipe compression fitting See No 5 Frame 57 11 Loosen the nut above pump and rotate the pipe 12 If required remove expansion vessel connection hose Refer to Frame 66 13 Remove the DHW inlet and CH return connection situated beneath th...

Page 47: ...e boiler Refer to Frame 24 8 Check the operation of the boiler Refer to Frames 31 32 64 CONTROL NO FLOW THERMISTOR REPLACEMENT 63 CH WATER PRESSURE SENSOR REPLACEMENT 1 Refer to Frame 42 2 Drain the boiler Refer to Frame 55 3 Pull off the two electrical connections 4 Using a suitable tool pull out the metal retaining clip 5 Carefully withdraw the pressure switch 6 Fit the new pressure switch and r...

Page 48: ...ing bracket is correctly positioned Replace any new o rings supplied with new heat exchanger and replacing gaskets or seals if any sign of damage is evident When replacing the spring clips located on the return pipe connection ensure clip is oriented to correctly match connecting pipe diameters 18 Ensure the trap siphon is filled with water Refer to Frame 52 19 Refill the boiler Refer to Frame 24 ...

Page 49: ...ircuit Refer to Frame 55 8 Remove the retaining clip on the vessel water connection pipe and remove the pipe 9 Support the expansion vessel and unscrew the 2 screws from the securing bracket 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 ensuring the seal is in ...

Page 50: ... 74 FLOW THERMISTOR FAULT GO TO FRAME 75 RETURN THERMISTOR FAULT GO TO FRAME 76 OUTSIDE SENSOR FAULT LOW MAINS VOLTAGE CONTACT ELECTRICITY PROVIDER PCB UNCONFIGURED OR FAULTY SEE FRAME 53 IF FAULT PERSISTS REPLACE PCB DIVERTER VALVE IN MID POSITION FOR SERVICE ROTATE KNOBS FULLY CLOCKWISE TURN POWER OFF AND ON RESTART BOILER NO CH BUT HW OK NO HW BUT CH OK NO DISPLAY GO TO FRAME 77 GO TO FRAME 78 ...

Page 51: ...ify fault NO YES Is 24Vdc supply available at the Gas Valve YES Check spark generator and associated harness for continuity and visual condition Refer to Frame 49 Are these functioning correctly YES Check ignition electrode and associated harness for continuity visual condition and position Refer to Frame 47 Are these functioning correctly NO Check siphon and condensate drain pipework for blockage...

Page 52: ...tioning correctly YES Check siphon and condensate drain pipe work for blockage and rectify if necessary Boiler now working OK Check wiring from gas valve to PCB for continuity If the wiring is OK then replace the PCB NO Replace Spark Generator and Harness as necessary NO Replace Ignition Electrode and associated harness as necessary NO Replace Gas Valve Re fit correctly or replace NO Restart the b...

Page 53: ... C expect 1 000 1 100 Ohms Is the Thermistor value correct YES Is the wiring securely connected to the low voltage 8 way connector on the PCB YES Replace PCB Fit a new Thermistor NO Securely connect the wiring to the PCB Is the wiring securely connected to the Flow Thermistor located in the top of the Heat Exchanger YES NO Securely connect the wiring to the Water Flow Thermistor NO 75 F5 OR L5 RET...

Page 54: ... the PCB Replace PCB Fit a new Outside Sensor NO Securely connect the wiring at the Terminal Block and the PCB Is the wiring securely connected at both the boiler and Outside Sensor YES NO Securely connect the wiring at both the boiler and Outside Sensor NO YES 77 NO CH OPERATION BUT HW WORKS OK Is the mode knob in the Winter position YES YES YES YES NO NO NO NO Move the mode knob to the Winter po...

Page 55: ...verter valve motor connected YES YES Check diverter head fully engaged and clip secured onto waterset YES Is diverter stuck in the CH position YES Check and re fit diverter valve actuator head Is Boiler DHW OK NO Change diverter valve motor NO Adjust flow rates to achieve 35ºC temp rise and check filter fitted in turbine is not blocked with debris NO Reconnect wiring or replace wiring harness if n...

Page 56: ...ot use reconditioned or copy parts that have not been clearly authorised by Ideal Failure to do so could affect safety or performance of this appliance Our Parts team are also available to help with your Spare Parts enquiries on 90 212 697 8484 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 Boiler Ser...

Page 57: ...57 NOTES Installation and Servicing ...

Page 58: ...58 NOTES Installation and Servicing ...

Page 59: ...59 NOTES Installation and Servicing ...

Page 60: ...an ISO 9001 registered quality management system www termoteknik com TERMO TEKNIK TICARET VE SANAYA A Ş Enco plaza Cemal ULUSOY Cad No 57 34620 Yenibosna İSTANBUL TURKiYE Tel 90 212 697 84 84 Fax 90 212 277 43 45 FM 59915 ...

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