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Installation and Servicing

SECTION 3 - SERVICING

3.30 DHW FILTER & DHW FLOW REGULATOR CLEANING / REPLACEMENT

Refer to Sections 3.8.

Drain down the boiler. Refer to Sections 3.22.

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.

Refill the boiler. Refer to Section 2.16.

Check that the boiler operates in both DHW &

CH modes.

3.31 FLOW THERMISTOR REPLACEMENT

1. Refer to Section 3.8.
2. Drain the DHW system. Refer to Section

3.22.

3. Turn the housing anti clockwise and pull

forward to remove the cartridge.

4. Using a pair of pliers, pull out the plastic

filter/flow regulator.

5. Clean or replace filter as necessary.

6. Reassemble in reverse order.

7. Refill the boiler.

8. Check that the boiler operates in both

DHW & CH modes.

SER

VICING

Содержание INDEPENDENT+ COMBI 24

Страница 1: ...Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers For the very latest copy of literature for specification and maintenance practices visit our website www...

Страница 2: ...P1 kW 8 0 8 0 8 0 Auxiliary Electricity Consumption Full Load elmax kW 0 042 0 032 0 029 Part Load elmin kW 0 012 0 013 0 013 Standby PSB kW 0 005 0 005 0 005 Seasonal Space Heating Energy Efficiency...

Страница 3: ...I Class VII Class VIII 1 2 1 5 2 3 4 3 5 5 PRODUCT FICHE The energy efficiency of the package of products provided for in this document may not correspond to its actual energy efficiency once installe...

Страница 4: ...4 Installation and Servicing...

Страница 5: ...19 Ideal Boilers reserve the right to vary specification without notice FOR ANY TECHNICAL QUERIES PLEASE RING THE IDEAL INSTALLER HELPLINE 01482 498704 NOTE BOILER RESTART PROCEDURE To restart the bo...

Страница 6: ...6 Installation and Servicing...

Страница 7: ...nd Venturi Assembly Removal and Cleaning 40 3 4 Burner Removal And Cleaning 41 3 5 Cleaning The Condensate Trap Siphon 41 3 6 Cleaning The Heat Exchanger 42 3 7 Reassembly 42 3 8 Replacement Of Compon...

Страница 8: ...y 26 8 c For ft3 h divide the gross heat input Btu h by the gross C V of the gas Btu ft3 d For m3 h multiply l s by 3 6 Key to symbols GB United Kingdom IE Ireland Countries of destination PMS Maximum...

Страница 9: ...ure record Cold water inlet temp measure record Hot water outlet temp measure record Water flow rate at max setting measure record For condensing boilers only Condensate drain 28 For all boilers compl...

Страница 10: ...ition This only occurs if pre heat knob is in the ON period When there is a demand for CH the heating system is supplied at the selected temperature of between 30o C and 80o C until DHW is drawn off T...

Страница 11: ...vice not approved by Ideal Boilers could invalidate the certification and the normal appliance warranty It could also infringe the Gas Safety Regulations and the above regulations 1 6 SAFE HANDLING OF...

Страница 12: ...cing 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...

Страница 13: ...diator 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...

Страница 14: ...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...

Страница 15: ...ling 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...

Страница 16: ...with the manufacturers instructions 2 If the 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...

Страница 17: ...sket 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 C...

Страница 18: ...1 12 2 2 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...

Страница 19: ...B Pack B Contents Non Telescopic A Flue Terminal B Flue Turret C Rubber Terminal Wall Seal D Cutting Aid Note This flue system incorporates a removable flue outlet nose that utilises a push fit locat...

Страница 20: ...t 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 squar...

Страница 21: ...ion 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 Ou...

Страница 22: ...inimum Maximum Minimum Maximum Minimum Maximum B Pack Standard 181 556 286 484 601 816 526 741 Plus 1 1m D pack 1121 1506 1236 1434 1551 1766 1476 1691 Plus 2 1m D pack 2071 2456 2186 2384 2501 2716 2...

Страница 23: ...he 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 fl...

Страница 24: ...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 of the flue is internal t...

Страница 25: ...ade using the 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 Univer...

Страница 26: ...enetrate the shaded area of the roof Note The equivalent flue length resistance of the elbow kits are 90o elbow kit 1m 45o elbow kit 0 6m If chimney penetrates dotted area such that A is less than 300...

Страница 27: ...n 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 manifold and...

Страница 28: ...harge 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...

Страница 29: ...pipe Water Weather proof insulation Max 3m external pipework Limestone chippings 500 300 25 2 rows of three 12mm holes 25mm centres 50mm from the bottom of the tube facing away from the house Minimum...

Страница 30: ...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 sh...

Страница 31: ...ny local regulations 2 18 INSTALLER WIRING A mains cable must be connected to a permanent live supply and NOT switched by thermostats programmers To do so follow the instructions below Accessing the i...

Страница 32: ...DAMAGED Outside Sensor Open Therm OpenTherm Device E G Honeywell OT Bridge R8810 External Controls 230V 50Hz Wiring a 230V 50Hz Room Thermostat Diagram A with optional timer Diagram B 1 Remove the lin...

Страница 33: ...P 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 D...

Страница 34: ...W 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 all windows and doors extinguish...

Страница 35: ...that the gas service cock I is OPEN 7 Slacken the screw in the inlet pressure test point H and connect a gas pressure gauge via a flexible tube 8 Switch the electricity supply ON and check mechanical...

Страница 36: ...show 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 is factory set to give a DHW temperature rise of appr...

Страница 37: ...between being on for 50s and then off for 10s 5 dU will be shown To move the diverter valve to mid position for replacement press RESTART otherwise press PREHEAT 6 P1 will be shown To set the minimum...

Страница 38: ...r 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...

Страница 39: ...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 Note In order to carry o...

Страница 40: ...ring the 4 control knobs line up with the holes in the front panel 5 Re tighten the two retaining screws view from bottom of boiler view from top of boiler 3 1 2 1 Disconnect the electrical leads from...

Страница 41: ...nstruction 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...

Страница 42: ...nition and detection gaps are correct Refer to Sections 3 13 3 14 1 Ignition Electrode Flame Detection Reassemble the boiler in the following order 1 Ensure that the condensate trap siphon is full of...

Страница 43: ...boiler Refer to Section 3 22 THE BOILER MUST NOT BE OPERATED WITHOUT THE FRONT PANEL FITTED 3 9 FAN REPLACEMENT 1 Refer to Section 3 8 2 Disconnect the electrical leads from the fan 3 Remove the clip...

Страница 44: ...rse order ensuring that the new gas seal supplied is located correctly in the injector housing 10 Check that the boiler operates in both DHW CH modes 4 3 3 3 11 BURNER REPLACEMENT 5 5 6 1 See Section...

Страница 45: ...8 Reassemble in reverse order 9 Check the operation of the boiler Refer to Section 2 22 2 23 3 12 RETURN THERMISTOR REPLACEMENT 1 Refer to Section 3 8 2 Unclip the return thermistor from the return p...

Страница 46: ...rode 4 Remove the 2 screws retaining the detection electrode 5 Remove the electrode 6 Fit the new flame detection electrode using the new gasket supplied 7 Reassemble in reverse order 8 Check that the...

Страница 47: ...acing 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...

Страница 48: ...the four side retaining clips and pull the PCB upwards to clear the corner retaining posts 7 Take the new PCB 8 Re connect all plug connections 9 Reassemble in reverse order 10 a Turn power on displa...

Страница 49: ...o 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...

Страница 50: ...to port ensuring o ring in place and secure with the C clip 7 Refill the boiler Refer to Section 2 16 8 Check that the boiler operates in both DHW CH modes 3 23 PRESSURE GAUGE REPLACEMENT 4 5 1 Refer...

Страница 51: ...ap siphon Refer to Section 3 18 4 Remove the electrical plug Refer to Section 3 17 5 Place a flat bladed screwdriver in the diverter valve motor body slot provided and ease out the motor Refer to Sect...

Страница 52: ...9 Refill the boiler Refer to Section 2 16 10 Check that the boiler operates in both DHW CH modes 1 Refer to Section 3 8 2 Drain the boiler Refer to Section 3 22 3 Disconnect the two electrical leads f...

Страница 53: ...ovided 6 Reassemble in the reverse order 7 Refill the boiler Refer to Section 2 16 8 Check that the boiler operates in both DHW CH modes 3 31 FLOW THERMISTOR REPLACEMENT 4 3 1 Refer to Section 3 8 2 D...

Страница 54: ...to correctly match connecting pipe diameters 18 Ensure the trap siphon is filled with water Refer to Section 3 18 19 Refill the boiler and check for leaks Refer to Section 2 16 20 Ensure all gas valv...

Страница 55: ...rcuit Refer to Section 3 22 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 locate...

Страница 56: ...GO TO SECTION 4 9 RETURN THERMISTOR FAULT GO TO SECTION 4 10 OUTSIDE SENSOR FAULT LOW MAINS VOLTAGE CONTACT ELECTRICITY PROVIDER PCB UNCONFIGURED OR FAULTY SEE SECTION 3 19 IF FAULT PERSISTS REPLACE...

Страница 57: ...rectify 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 Section 3 15 Are these functioning correct...

Страница 58: ...these functioning 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...

Страница 59: ...1 000 1 100 Ohms Is the Thermistor value correct YES Is the wiring securely connected to the low voltage 6 way connector at the front left hand side of the PCB YES Replace PCB Fit a new Thermistor NO...

Страница 60: ...and 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 Securel...

Страница 61: ...d the diverter 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...

Страница 62: ...ils 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...

Страница 63: ...63 Installation and Servicing...

Страница 64: ......

Страница 65: ...ta 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 th...

Страница 66: ...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 67: ...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 68: ...ical 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 b...

Страница 69: ...bled 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 if ne...

Страница 70: ...70 NOTES Installation and Servicing...

Страница 71: ...71 NOTES Installation and Servicing...

Страница 72: ...he code of practice for the installation commissioning servicing of central heating systems Ideal Boilers Ltd PO Box 103 National Avenue Kingston Upon Hull HU5 4JN Tel 01482 492251 Fax 01482 448858 Re...

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