Evo HE C22/24 Installation & Servicing Instructions Manual
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Evo HE C22/24 Installation & Servicing Instructions Manual

Wall mounted, balanced flue, fanned gas boiler v3 flue system
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See also: User Manual
Advanced High Efficiency Boilers
C22/24, C22/30, C22/35
(V3 Flue System)
Wall mounted, balanced flue, fanned gas boiler
Packaged Boiler Contents have been
checked by Operator Number.......
For details of document amendments, refer to page 3
September 2009 UIN 204427 A02
Installation & Servicing Instructions
See reverse for evo HE Users Guide
Manufactured exclusively for Wolseley Centers Ltd. by Ideal Boilers

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Summary of Contents for Evo HE C22/24

  • Page 1 Packaged Boiler Contents have been checked by Operator Number..For details of document amendments, refer to page 3 September 2009 UIN 204427 A02 Installation & Servicing Instructions See reverse for evo HE Users Guide Manufactured exclusively for Wolseley Centers Ltd. by Ideal Boilers...
  • Page 2 HE C - Installation and Servicing...
  • Page 3 Page 64 - Short Parts List • New updated parts list Page 68 - Code of Practice • New Code of Practice Guidelines added. Wolseley Centres Ltd. reserve the right to vary specification without notice evo HE C - Installation and Servicing...
  • Page 4 = An appliance designed for use on 2nd Family gas, Group H only. CAUTION. To avoid the possibility of injury during the installation, servicing or cleaning of this appliance care should be taken when handling edges of sheet steel components evo HE C - Installation and Servicing...
  • Page 5 For all boilers: complete, sign & 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 INSTRUCTIONS WITH APPLIANCE evo HE C - Installation and Servicing...

  • Page 6: Safe Handling

    BOILER WATER INTRODUCTION CIRCUIT DIAGRAMS The evo HE 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.

  • Page 7: Location Of Boiler

    • Elbow Kit (maximum per installation). and performance. It is, therefore, important that no external C22/24 & 30-up to 4 elbows control devices, e.g. flue dampers, economisers etc., are C22/35-up to 2 elbows directly connected to these appliances unless covered by these •...

  • Page 8: Gas Supply

    300mm (12") systems, BS.5449. From corner walls. 300mm (12") WATER TREATMENT - see Frame 6 * Only one reduction down to 25mm is allowable per installation otherwise BS5440-1 2000 dimensions must be followed. evo HE C - Installation and Servicing...
  • Page 9 600mm (24"). Where SIDE FLUE ONLY Horizontal length of flue Top clearance from centre line of boiler required (MIN.) to outside wall Dim. A C22/24 C22/30 C22/35 0.5 m 0.5 m 0.5 m 160 mm (6 ") 5/16 1.0 m 1.0 m...

  • Page 10: Electrical Supply

    If the capacity of the vessel is not fitted at least 150mm below the 'make-up' vessel on the considered sufficient for this, or for any other reason, return side of the radiators. evo HE C - Installation and Servicing...

  • Page 11: Domestic Hot Water

    3. Adjust the room thermostat and programmer to NORMAL settings. Close the manual or thermostatic valves on all radiators, leaving the twin lockshield valves (on the radiators referred to above) in the OPEN position. evo HE C - Installation and Servicing...

  • Page 12: Water Treatment

    INSTALLATION WATER TREATMENT CENTRAL HEATING DOMESTIC HOT WATER The evo HE range of boilers have an ALUMINIUM alloy In hard water areas where main water can exceed 200ppm heat exchanger. Total Hardness (as defined by BS 7593:2006 Table 2) a scale reducing device should be fitted into the boiler cold IMPORTANT.
  • Page 13 INSTALLATION BOILER ASSEMBLY - Exploded View evfu9803 evo HE C - Installation and Servicing...
  • Page 14 B Accessory Pack C CH Flow Valve & Gauge Pack G “S” Trap Hose Moulding D DHW Pack Pack B Contents Telescopic flue terminal Flue turret Rubber Terminal Wall Seal Screw Sealing tape isfu8751d evo HE C - Installation and Servicing...
  • Page 15 2. Pull the right-hand side of the panel down, slide it to the right and withdraw. 3. Remove the screws from bottom of the front panel. 4. Lift panel up and off top pegs. evo HE C - Installation and Servicing...
  • Page 16 C22/35 - 3M (HORIZONTAL FLUE) C22/24, C22/30 & C22/35 - 7.5M (ROOF FLUE) C22/24, C22/30 & C22/35 - 5M PRIMARY AND 17M SECONDARY IS A TYPICAL MAX. FLUE LENGTH. (For alternative details refer to Powered Vertical Instructions) ELBOW KIT 60/100 (EQUIVALENT FLUE LENGTH RESISTANCE = 1M) ELBOW KIT 60/100 (EQUIVALENT FLUE LENGTH RESISTANCE = 0.6M)
  • Page 17 C22/24,30 & 35 duct MUST be inclined at 1.5 degrees to the Up to 3445 mm Up to 3445 mm Pack D - 3 off C22/24,30 & 35* horizontal to allow condensate to drain back into the boiler and out through the...

  • Page 18: Wall Mounting Template

    The position of the flue duct hole (see diagram below). Note. Mark the centre of the hole as well as the circumference. 4. Remove the template from the wall. C22/24 & C22/30 C22/35 15 PREPARING THE WALL IMPORTANT. Ensure that, during the cutting operation, masonry falling outside of the building does not cause damage or personal injury.
  • Page 19 Measurement to be taking care not to pierce plastic inner flue. taken from this point 5. Fix to length using self tappers provided. nm8945 6. Seal outer air duct using the tape provided. evo HE C - Installation and Servicing...
  • Page 20 No. 10 x2" wood screw - 4 off 19 FLUE EXTENSION DUCTS - continued Flue length Use a maximum of 6m extended flue ONLY (C22/24 & Use a maximum of 3m extended flue ONLY (C22/35) Extension flue General arrangement 1.
  • Page 21 If the clearances above and below the boiler are less than the length of the pipes it will be necessary to position the pipes behind the wall mounting plate BEFORE the plate is screwed to the wall. evo HE C - Installation and Servicing...

  • Page 22: Condensate Drain

    DOWNSTREAM OF SINK WASTE TRAP (PREFERRED METHOD) Sink Air Break Open end of pipe direct into gulley below grating but above water level cla9252 75mm trap Ground Level DRAIN continued ..evo HE C - Installation and Servicing...
  • Page 23 Soak away cla7774 Ground Level minimum 500mm 5. TERMINATION TO DRAIN / GULLEY External wall Open end of pipe BOILER direct into gulley below grating but above water level cla7775 Ground Level DRAIN evo HE C - Installation and Servicing...

  • Page 24: Mounting The Boiler

    Fix the flue support bracket to the wall, using the 4 wall plugs and wood screws. NB. The space bracket will utilise one fixing hole only whilst used in conjunction with the stand-off option. evo HE C - Installation and Servicing...

  • Page 25: Fitting The Optional Roof Flue Kit (Flat Or Pitched)

    Flue Seal Collar - Flat Roof Vertical connector elbow UIN 203132 UIN 152259 UIN 203135 UIN 203130 elbow UIN 203131 Flue Flue Seal Collar - Tile Roof duct UIN 152258 support Roof Flue Extension Duct UIN 203129 evo HE C - Installation and Servicing...

  • Page 26: Flue Terminal Position

    690mm Fixed 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 evo HE C - Installation and Servicing...
  • Page 27 INSTALLATION 30 FLUE ARRANGEMENT Note. The equivalent flue length resistance of the elbow kits are: elbow kit = 1m elbow kit = 0.6m evo HE C - Installation and Servicing...

  • Page 28: Assembling The Roof Flue Kit

    5. Finally ensure the roof flashing plate is correctly sealed to the roof. evo HE C - Installation and Servicing...
  • Page 29 Fit it to the DHW inlet ball valve, ensuring the seal provided is correctly located. 2. Fit DHW outlet pipe tail to DHW outlet connection, ensuring the seal provided is correctly located. evo HE C - Installation and Servicing...

  • Page 30: Gas Connection

    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 15mm compression fitting is supplied with the Hardware Pack to connect it to the stub pipe. evo HE C - Installation and Servicing...
  • Page 31 2. Close all taps. Note. The domestic hot water flow rate is automatically regulated to a maximum: C22/24 = 9.6 l/m (2.1 gpm) C22/30 = 12.0 l/m (2.6 gpm) C22/35 = 14.4 l/m (3.2 gpm) evo HE C -...

  • Page 32: Electrical Connections

    L1 to L2. 4. Secure the mains lead with the cable clamp. 5. Connect the mains lead connector. Ensure it is fully located into the socket. 6. Support the incoming cable(s) with the clips provided. evo HE C - Installation and Servicing...

  • Page 33: External Electrical Controls

    Shows an application to boilers fitted with a room thermostat only. Diagrams B & C show applications to boilers fitted with alternative time controls. Earths are not shown for clarity but must never be omitted. evo HE C - Installation and Servicing...
  • Page 34 - violet br - brown w - white gy - grey y - yellow or - orange y/g - yellow/green Dry fire pk - pink thermistor Permanent black link Diverter Valve gy r evo HE C - Installation and Servicing...

  • Page 35: Commissioning And Testing

    2. Purge air from the gas installation by the approved methods only. 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. evo HE C - Installation and Servicing...

  • Page 36: Initial Lighting

    When the burner is established the WHITE 'Burner On' neon (D) will be illuminated, the LED display will show status evo HE C - Installation and Servicing...
  • Page 37 The display should read: neon flashing then: Note. On systems in excess of 2 bar inlet pressure a water neon steady when the burner lights. pressure governor may be required to prevent water noise. evo HE C - Installation and Servicing...
  • Page 38 WATER TEMPERATURES Temperatures can be selected using the CH and DHW thermostats. Knob Setting CH Flow DHW Outlet Temp Temp 82 (180) 65 (150) 30 (86) 42 (110) evo HE C - Installation and Servicing...

  • Page 39: Handing Over

    11. As the installer you may wish to undertake the service (RGII). contract yourself or alternatively offer to the customer the benefits of the Ideal Care Scheme, details of which are outlined in the householder pack supplied with this boiler. evo HE C - Installation and Servicing...

  • Page 40: Servicing Schedule

    0.004 ratio. 8. Check the DHW filter for blockage. Refer to Frame 33. 14. Complete the service section in the Benchmark Commissioning Checklist. evo HE C - Installation and Servicing...
  • Page 41 4 screws. 2. Remove the panel. 3. To remove the bottom panel first remove the screw. 4. Pull the right hand side of the panel down. Slide it to the right and withdraw. evo HE C - Installation and Servicing...
  • Page 42 1. Remove the 2 screws and withdraw the user control. 2. Unplug the low voltage electrical lead from the back of the user control. 3. Release the clamp, 4. Swing the control box down 5. Pull the control box slightly forward. evo HE C - Installation and Servicing...

  • Page 43: Burner Removal And Cleaning

    4. Inspect the sealing gasket around the burner and combustion chamber insulation for any signs of damage. Replace as necessary. Note. Take care not to disturb the ionisation probes at the front and rear of the combustion chamber. evo HE C - Installation and Servicing...

  • Page 44: Cleaning The Heat Exchanger

    5. Refit the fan / venturi assembly. 10. Refit the boiler front and bottom panels. 6. Reconnect the fan electrical lead. 11. Turn on the gas supply at the gas service cock. 12. Reconnect the electrical supply. evo HE C - Installation and Servicing...

  • Page 45: Replacement Of Components

    9. Fit the new fan / venturi assembly. 10. Reassemble the boiler in reverse order, taking care not to overtighten the screw on the fan mounting bracket. 11. Check the operation of the boiler. Refer to Frames 45 & 46. evo HE C - Installation and Servicing...

  • Page 46: Burner Injector Replacement

    6. Reconnect the electrical leads and reassemble in reverse order, ensuring that the spring clips are securely on the pipes. 7. Check the operation of the boiler. Refer to Frames 45 & 46. evo HE C - Installation and Servicing...

  • Page 47: Ignition Electrode Replacement

    3. Remove the M4 screws securing the spark generator to the boiler chassis. 4. Fit the new spark generator and re-assemble in reverse order. 5. Check operation of the boiler. Refer to Frames 45 & evo HE C - Installation and Servicing...

  • Page 48: Gas Control Valve Replacement

    5. Fit new actuator head and reassemble in reverse order Ensure the electrical connections are fitted correctly (left to right GREY - RED - PURPLE) 6. Check operation of the boiler. Refer to Frames 45 & 46. evo HE C - Installation and Servicing...

  • Page 49: Combustion Chamber Insulation Replacement

    14. Reassemble in reverse order. placed into it. 15. Check operation of the boiler. Refer to 'General Checks' 10. Sweep any dampened particles and place in the plastic Frames. bag. Insulation Combustion chamber isfu9570 evo HE C - Installation and Servicing...
  • Page 50 Frame 51. 6. Reassemble in reverse order. 3. Drain the DHW circuit. Refer to Frame 77. 7. Check operation of the boiler. Refer to Frames 45 & 46. 4. Unscrew the knurled retaining nut. evo HE C - Installation and Servicing...

  • Page 51: Control Box Replacement

    5. Fit the new switch, ensuring that the electrical leads are replaced on the correct terminals (refer to Frame 41) and the key on the switch is correctly aligned with the slot in the plastic moulding. evo HE C - Installation and Servicing...
  • Page 52 8. Fit the new safety valve to the pipe and reassemble in reverse order. 9. Refill boiler. Refer to Frame 36. Check operation of boiler. Viewed from back of boiler Refer to Frames 45 & 46. evo HE C - Installation and Servicing...
  • Page 53 Viewed from back of boiler 8. Refill the boiler. Refer to frame 36. Check for leaks around the new air vent joint. 9. Check the operation of the boiler. Refer to Frames 45 & 46. evo HE C - Installation and Servicing...

  • Page 54: Draining The Boiler

    9. Refill the boiler. Refer to Frame 36. Important: 10. Check operation of the boiler. Refer to Slacken isolation valve union to drain Frames 45 & 46. residual water contained within waterset. evo HE C - Installation and Servicing...

  • Page 55: Pump Head Replacement

    6. Remove the pump head. 7. Fit the new pump head. 8. Reassemble in reverse order. 9. Refill the boiler. Refer to Frame 36. 10. Check operation of the boiler. Refer to Frames 45 & 46. evo HE C - Installation and Servicing...

  • Page 56: Heat Engine Renewal

    15. Remove the automatic air vent. Refer to Frame 76. 29. Check operation of the boiler. Refer to Frames 45 & 46. 16. Undo the 4 M x 10 screws securing the bottom flue manifold casting and remove. evo HE C - Installation and Servicing...

  • Page 57: Boiler Sealing Panel Seal Replacement

    5. Reassemble in reverse order. 6. Check operation of the boiler. Refer to Frames 45 & 46. Note. Ensure that the boiler sealing panel is correctly sealed, compressing the seal to make an airtight joint. evo HE C - Installation and Servicing...

  • Page 58: Fault Finding

    ALTERNATING 'H' 'F' GO TO FRAME 93 GO TO FRAME 94 ALTERNATING 'H' 'n' GO TO FRAME 86 ALTERNATING 'H' 'E' ALTERNATING 'H9' GO TO FRAME 92 ALTERNATING 'L9' GO TO FRAME 92 evo HE C - Installation and Servicing...
  • Page 59 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 (some may measure the possible peak voltage of 339V). In general terms a reading greater than 150V indicates that the correct voltage is supplied to the gas valve. evo HE C - Installation and Servicing...
  • Page 60 Internal fault within the PCB Press and hold reset button for 2 seconds. Does boiler operate correctly? Turn boiler off and wait for 5 seconds. Turn boiler on. Does boiler operate correctly? Replace PCB evo HE C - Installation and Servicing...
  • Page 61 C expect 1,000 - 1,100 Ohms Are the thermistor values correct ? Replace the thermistor Replace PCB Is there continuity between the PCB and the thermistor ? Check and replace wiring as necessary evo HE C - Installation and Servicing...
  • Page 62 C expect 1,000 - 1,100 Ohms Are the thermistor values correct ? Replace the thermistor Replace PCB Is there continuity between the PCB and the thermistor ? Check and replace wiring as necessary evo HE C - Installation and Servicing...
  • Page 63 Remove flame detection electrode terminal from PCB Is there continuity between the 2 terminal pins ? Replace PCB Replace flame detection electrode 94 H..n..(PHASE REVERSAL ERROR) Check wiring to the boiler for reversed live and neutral evo HE C - Installation and Servicing...

  • Page 64: Short List Of Parts

    Diverter valve motor head 174 813 H62-599 Diverter valve cartridge 175 411 H66-587 Pump Head 175 409 H66-588 Plate heat exchanger - C22/24 175 417 H66-589 Plate heat exchanger - C22/30 175 418 H66-592 Plate heat exchanger - C22/35 175 419 H66-644...
  • Page 65 SHORT LIST OF PARTS 95 SHORT LIST nm9571a evo HE C - Installation and Servicing...

  • Page 66: Burner Assembly

    Controls hinge bracket. User controls (without item 38). PCB (primary controls). User controls housing Mains switch. Jumper link (not shown) Ecl 2552a 98 BURNER ASSEMBLY 11. Burner assembly with screws and gasket. Ecl 1598 evo HE C - Installation and Servicing...
  • Page 67 HE C - Installation and Servicing...

  • Page 69: Installer Notification Guidelines

    Benchmark Checklist MANUFACTURERS WARRANTY THAT THE BENCHMARK COMMISSIONING CHECKLIST IS Gas Safe Register will record the FULLY COMPLETED AND LEFT data and will send a certificate of compliance to the property WITH THE APPLIANCE evo HE C - Installation and Servicing...
  • Page 70 Gas Safe Register ID Number...
  • Page 71 Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number Gas Safe Register ID Number...
  • Page 72 The code of practice for the installation, commissioning & servicing of central heating systems Wolseley Installer/Technical Helpline 0870 849 8057...

This manual is also suitable for:

C22/30C22/35

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