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Fault Finding

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Installation and Servicing

68 aLTERNaTINg ‘L’ aND ‘1’ - FLOW TEMpERaTURE OVERhEaT LOCKOUT

Is the Boiler and CH System filled with water and all

isolation and radiator valves open?

YES

Fill and vent the system and open all

isolation valves, then reset boiler

Is the Flow/Return Differential across the Boiler in

excess of 30°C?

Check that the Pump is rotating freely. Is

the Differential now below 20°C?

YES

Check the Flow and Return Thermistors (Refer to

Frame 75 & 76)

Replace the Pump,

then reset boiler

OK, now

reset boiler

YES

69 aLTERNaTINg ‘L’ aND ‘2’ - IgNITION LOCKOUT

If the boiler is reset does the boiler

ignite for a short time and then

extinguish?

YES

Is the Gas Pressure available at

the Boiler Inlet (>18 mbar)?

Check the detection electrode

and associated harness for:

continuity, visual condition and

position (Refer to Frame 45).

Check if the condensate pipe is

blocked.

Check flue is installed correctly.

Replace as necessary

Check gas supply and

rectify fault

YES

Is 215Vdc supply available at the

Gas Valve? (* See note)

YES

Check spark generator and

associated harness for: continuity

and visual condition. (Refer to

Frame 46) Are these functioning

correctly?

YES

Check ignition electrode and

associated harness for: continuity,

visual condition and position.

(Refer to Frame 44) Are these

functioning correctly?

Check siphon and condensate

drain pipe work for blockage and

rectify if necessary. Boiler now

working OK?

Check wiring connection

from gas valve to PCB for

continuity. If the wiring is

OK then replace the PCB

Replace Spark

Generator and harness

as necessary

Replace Ignition

Electrode and

associated harness as

necessary

Replace Gas Valve

YES

* 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.

Unplug gas valve. Is resistance

between outside pins 4K

Ω

(±2)?

YES

Replace Gas Valve

REsET pROCEDURE

- To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.

REsET pROCEDURE

- To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.

Содержание i 35

Страница 1: ...USER INSTALLATION SERVICING INSTRUCTIONS For User Guide see reverse of book 19 20 21 2 2 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 0 I PREHEAT STATUS BURNER E 24 i MODE OFF MIN MIN MAX RESE...

Страница 2: ...2 i combi Installation and Servicing...

Страница 3: ...nob back to required setting The boiler will repeat the ignition sequence if a heat demand is present Notes for the installer Page 12 Water Treatment Addition of Adey Professional Heating Solutions Pa...

Страница 4: ...Pressure Sealed Systems bar lb in2 2 5 36 3 Maximum Domestic Hot Water Inlet Pressure bar lb in2 10 0 145 Minimum Domestic Hot Water Inlet Pressure bar lb in2 0 8 11 6 1 3 18 9 1 3 18 9 Electrical Sup...

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

Страница 6: ...at 35 o C temperature rise 35 14 5 l min at 35 o 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...

Страница 7: ...Any direct connection of a control device not approved by Ideal Boilers could invalidate the certification and the normal appliance warranty It could also infringe the Gas Safety Regulations and the a...

Страница 8: ...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 3 Below eaves 25mm 1 BS5440 1 2008 200mm 8...

Страница 9: ...r 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 controlle...

Страница 10: ...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...

Страница 11: ...boiler Guidance on vessel sizing is given in Frame 2 5 Filling The system may be filled by the following method Where the mains pressure is excessive a pressure reducing valve must be used to facilit...

Страница 12: ...The use of artificially softened water however is not permitted Ideal Boilers recommend the use of Fernox Quantomat Sentinel Combiguard and Calmag CalPhos I scale reducing devices which must be used...

Страница 13: ...N 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 PRIMARY PCB 303 CUI BOARD 306 ELEC...

Страница 14: ...elescopic 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 A Boiler B Hardware Bag C Wall Mounting Plate D These Instal...

Страница 15: ...minal B Flue Turret C Rubber Terminal Wall Seal D Screw E Sealing Tape Pack B Contents Non Telescopic A Flue Terminal B Flue Turret C Rubber Terminal Wall Seal D Cutting Aid Note This flue system inco...

Страница 16: ...ting 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 Bo...

Страница 17: ...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 Additio...

Страница 18: ...Horizontal Flue Terminal 1000mm long B Pack Telescopic Horizontal Flue Terminal 1000mm long B Pack Telescopic Cut 75mm Minimum Maximum Minimum Maximum Minimum Maximum Minimum Maximum B Pack Standard 1...

Страница 19: ...outlet terminal is upper most 4 Drill a 3 5mm hole through one of the 2 outer side holes in the outer flue section into the inserted outer flue as shown Take care not to pierce the inner plastic flue...

Страница 20: ...outer wall seal will have been dislodged from its mounting and will need to be refitted 7 Ensure the seam and the outlet terminal are at the top and fitted as shown Note If less than 50 of the length...

Страница 21: ...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 extensio...

Страница 22: ...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 3...

Страница 23: ...cordance with the instructions 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...

Страница 24: ...g 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 sys...

Страница 25: ...connection height up to 3 storeys Soil vent stack 450 Boiler with 75mm sealed condensate trap Min 19mm Internal pipe Min 30mm Internal pipe Water weather proof insulation 75 Boilers without 75mm seal...

Страница 26: ...lve Drain The safety valve connection located at the bottom right hand side of the boiler comprises a 15mm diameter stub pipe N B Use a compression fitting when connecting to the safety valve drain pi...

Страница 27: ...N FROST STAT OPTIONAL ROOM STAT TIMER Room Stat Optional Frost Stat Earths are not shown for clarity but must never be omitted 24 electrical connections Wiring should be 3 core PVC insulated cable no...

Страница 28: ...er pressure Switch PCB Flow Thermistor Return Thermistor Earth y g br b bk bk b b br y g Service Connector blue black brown red pink yellow white yellow green grey orange violet b bk br r p y w y g g...

Страница 29: ...dle Blue Handle 3G9927 CH Flow DHW Outlet Gas Supply CH Return DHW Inlet Gas Pressure Test Point WARNING Whilst effecting the required gas tightness test and purging air from the gas installation open...

Страница 30: ...pressure test point J and connect a gas pressure gauge via a flexible tube 8 Switch electricity supply ON check mechanical timer is in Permanently On position Note The boiler incorporates a fan overr...

Страница 31: ...that water flows freely from them The display should read then when the burner lights 2 Close all taps except the furthest one from the boiler and check that the boiler is firing at maximum rate This...

Страница 32: ...atest possible fuel economy consistent with the household requirements of both heating and hot water consumption Advise the User of the precautions necessary to prevent damage to the system and to the...

Страница 33: ...are covered more fully in Frames 34 39 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 th...

Страница 34: ...ealing gasket and replace if necessary 1 2 3 5 Injector REMOVAL 1 Lift the lower front panel access panel 2 Unscrew the two fixing screws close the access panel to retain the two screws and hinge the...

Страница 35: ...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...

Страница 36: ...de 7 Check that the ignition and detection gaps are correct Refer to Frames 44 45 1 Ignition Electrode Earth Wire Flame Detection Reassemble the boiler in the following order 1 Ensure that the condens...

Страница 37: ...OPERATED without THE FRONT PANEL FITTED 41 fan replacement 1 Refer to Frame 40 2 Disconnect the electrical leads from the fan 3 Undo the gas pipe union connection to the injector housing 4 Remove the...

Страница 38: ...ing that the new gas seal supplied is located correctly in the injector housing 10 Check operation of the boiler Refer to Frames 29 30 2 4 3 6 43 burner REPLACEMENT 5 5 1 See Frame 40 2 Refer to Frame...

Страница 39: ...dimensions as shown 8 Reassemble in reverse order 9 Check the operation of the boiler Refer to Frames 29 30 Ignition Electrode 3mm Straight edge Spark Gap 3 5mm 45 flame detection electrode replaceme...

Страница 40: ...Spark Generator 3 3 2 2 4 47 gas control valve replacement 1 Refer to Frame 40 2 Unplug the electrical lead connection from the gas control valve and disconnect the earth wire 3 Undo the union nut on...

Страница 41: ...e all the way out this may cause the spindle to become detached from the body If this occurs simply screw back into the body so the cycle can continue driving fully in before going to mid position e R...

Страница 42: ...the PCB including the ribbon cable 3 6 5 5 Ribbon Cable Connection Plastic Clip 6 7 6 Spring out the two side retaining clips and pull the PCB upwards to clear the retaining posts 7 Take the new Prima...

Страница 43: ...t 3 Potentiometer spindle Control Knobs to be in vertical position PCB 4 1 Refer to Frame 40 2 Swing the boiler lower front panel into the service position Refer to Frame 34 3 Remove the 4 fixing scre...

Страница 44: ...e tap close the drain valve and open all system isolating valves re pressurise as appropriate 5 Check operation of the boiler Refer to Frames 29 30 CENTRAL HEATING CIRCUIT 1 Refer to Frame 40 2 Close...

Страница 45: ...uring the retaining clip is correctly fitted and the pipe compression fitting retightened 9 Refill the boiler Check operation of the boiler Refer to Frames 29 30 57 Pump automatic air vent replacement...

Страница 46: ...HW inlet and CH return connection situated beneath the boiler 14 Remove the three torx head screws fixing the return manifold to the boiler sheet steel base 15 Lift the manifold assembly and remove fr...

Страница 47: ...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 re assemble in reverse order 7 Refil...

Страница 48: ...rame 41 4 Remove burner and place on one side Refer to Frame 43 5 Remove the ignition and detection electrodes Refer to Frames 44 45 6 Remove the spark generator Refer to Frame 46 7 Remove the gas val...

Страница 49: ...he 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 taking care not to damage the adjacent wiring harness 11 Fit...

Страница 50: ...lt no yes Is 215Vdc supply available at the Gas Valve See note yes Check spark generator and associated harness for continuity and visual condition Refer to Frame 46 Are these functioning correctly ye...

Страница 51: ...d to the electrode YES Replace Flame Detection Electrode yes NO Check routing and integrity of internal boiler wiring RESET PROCEDURE To reset boiler turn mode knob to reset position and immediately t...

Страница 52: ...inuity visual condition and position Refer to Frame 44 Are these functioning correctly yes Check siphon and condensate drain pipe work for blockage and rectify if necessary Boiler now working OK Check...

Страница 53: ...istor value correct Is there continuity between the PCB and the Thermistor Fit a new Thermistor no Check and replace wiring as necessary 76 aLTERNATING F AND 5 Return Thermistor Fault YES NO YES Repla...

Страница 54: ...ler securely inserted into the slot at the front left of the PCB identified by the label on the BCC yes no Securely insert the correct BCC for the boiler into the PCB and after switching power on and...

Страница 55: ...setting 82 nO ch oPERATION BUT hw WORKS ok Is the mode knob in the Winter position yes no Move the mode knob to the Winter position Are the Timer and the Room Thermostat switched on yes no Switch the...

Страница 56: ...cable no Does the display show d when a tap is on no yes Are the flow rates correct as per Frame 2 Is the wiring between the PCB and the diverter valve actuator connected yes yes Check diverter head f...

Страница 57: ...itioned or copy parts that have not been clearly authorised by Ideal Boilers Failure to do so could affect safety or performance of this appliance Our Parts team are also available to help with your S...

Страница 58: ...58 SPARE parts i combi Installation and Servicing...

Страница 59: ...ata 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 t...

Страница 60: ...priate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Programmable room thermostat Optimum start control Combinati...

Страница 61: ...larly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND Where Possible AND Signature SERVICE 02 AND Where Possible AND Signature SERVICE 03 A...

Страница 62: ...wed e g Gas Safe Register 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 maintaine...

Страница 63: ...ssembled fixed and supported as per instructions Check that flue and flue terminal are not obstructed Check that no seals e g Those on flue extensions have been displaced during installation Rectify i...

Страница 64: ...O Box 103 National Avenue Kingston Upon Hull HU5 4JN We reserve the right to change the specifications without prior notice Consumers statutory rights are not affected Ideal Boilers provides after sal...

Страница 65: ...ee reverse of book THESE INSTRUCTIONS TO BE RETAINED BY USER combination boilers 24 i 30 i 35 i 19 20 21 2 2 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 0 0 I PREHEAT STATUS BURNER E 24 i MODE...

Страница 66: ...neer in accordance with the above regulations In IE the installation must be carried out by a Registered Gas Installer RGII and installed in accordance with the current edition of I S 813 Domestic Gas...

Страница 67: ...em then the CH Temperature Control C becomes a method of controlling room temperature Turn the knob clockwise to increase room temperature and anti clockwise to decrease room temperature Once the desi...

Страница 68: ...efore 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...

Страница 69: ...ment dial can be turned when the time controller is operating In case of power failure re adjust the time controller to the correct time of day turning the dial in a clockwise direction Permanent Over...

Страница 70: ...ate and provide central heating Check the time settings on the programmer are as you require and adjust if necessary Check the timer is in an ON position and the room thermostat is turned up NO HOT WA...

Страница 71: ...ntral heating but the appliance has reached the desired temperature set on the boiler The boiler has a call for hot water but the appliance has reached the desired temperature set on the boiler The bo...

Страница 72: ...ION Low Water Pressure ACTION Check system pressure is between 1 1 5bar on the pressure gauge If the boiler fails to operate then please contact Ideal Boilers if under warranty or alternatively a Gas...

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