Evo HE C22/30 Installation & Servicing Instructions Manual
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Evo HE C22/30 Installation & Servicing Instructions Manual

Wall mounted, balanced flue, fanned gas boiler
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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
For details of document amendments, refer to page 3
October 2007
UIN 203324 A02
Installation & Servicing Instructions
See reverse for evo HE Users Guide
Manufactured exclusively for Wolseley Centers Ltd. by Ideal Boilers

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  • Page 1 Wall mounted, balanced flue, fanned gas boiler For details of document amendments, refer to page 3 October 2007 UIN 203324 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 61 - Short Parts List Parts List updated. • USERS GUIDE - Page 2 Addition of two bullets into important notes. Wolseley Centers Ltd. reserve the right to vary specification without notice evo HE C - Installation and Servicing...

  • Page 4: Boiler Size

    = 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: Table Of Contents

    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: C22/24

    GENERAL 1 BOILER WATER CIRCUIT DIAGRAMS INTRODUCTION The evo HE range of boilers are model is a wall mounted, full sequence, Central Heating Circuit automatic spark ignition, low water content, fanned flue, high efficiency, condensing, combination gas boilers. Expansion Note. Due to the high efficiency of the boiler a plume of water vapour will vessel form at the terminal during operation.

  • Page 7: Location Of Boiler

    Low pressure installation pipes. Elbow Kit (maximum per installation). C22/24-upto 4 elbows Health & Safety Document No. 635. C22/30-upto 4 elbows The Electricity at Work Regulations, 1989. C22/35-upto 2 elbows The manufacturer’s notes must NOT be taken, in any way, as Elbow Kit (maximum per installation).

  • Page 8: Flue Installation

    BS.6798 and, in addition, for smallbore and microbore * Only one reduction down to 25mm is allowable per installation systems, BS.5449. otherwise BS5440-1 2000 dimensions must be followed. WATER TREATMENT - see Frame 6 evo HE C - Installation and Servicing...
  • Page 9 600mm (24"). 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

    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 7593:1993 Table 2) a scale reducing device should be fitted into the boiler cold IMPORTANT.
  • Page 13 INSTALLATION BOILER ASSEMBLY - Exploded View Data badge WILO pump shown evo HE C - Installation and Servicing...
  • Page 14 L No. 14x2in woodscrew - 4 off R Mains connector - 1 off F Valve securing clip 22mm - 2 off Pack B Contents Telescopic flue terminal Flue turret Screws Sealing tape nm8751 evo HE C - Installation and Servicing...
  • Page 15 2. Pull the RHS 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. Retaining clip evo HE C - Installation and Servicing...
  • Page 16 ELBOW KIT 60/100 (EQUIVALENT FLUE LENGTH RESISTANCE = 0.6M) C22/24, C22/30 & C22/35 - 18M TOTAL (AIR PLUS FLUE DUCT-60/60 TWIN FLUE KIT) C22/24, C22/30 & C22/35 - 60M TOTAL (AIR PLUS FLUE DUCT - 80/80 TWIN FLUE KIT) MINIMUM HORIZONTAL FLUE LENGTHS - TELESCOPIC TERMINAL = 370MM...
  • Page 17 The position of the flue duct hole (see diagram below and template). Note. Mark the centre of the hole as well as the circumference 5. Remove the template from the wall. C22/24 & C22/30 C22/35 evo HE C - Installation and Servicing...
  • Page 18 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 19 Extension flue General arrangement 1. A maximum of 6 extension ducts for the C22/24 & C22/30 and a maximum of 3 extension ducts Standard flue for the C22/35 (one suitably cut) plus the standard flue duct may be used together.
  • Page 20 Bulkhead Isolation valve connector c/w pressure gauge Compression gas cock Restrictor valve Isolation valve c/w drain Note. Service connections may be made now, before mounting the boiler, if required. Refer to Frames 27-29. evo HE C - Installation and Servicing...

  • Page 21: Boiler

    * If drain termination is to soil below grating but stack, a 75mm trap will be above water level required cla7772 75mm trap Ground Level DRAIN continued ..evo HE C - Installation and Servicing...
  • Page 22 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 23: 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 24 28 ROOF FLUE KIT CONTENTS / OPTIONS Flue Terminal Flue Seal Collar - Flat Roof Vertical connector elbow elbow Flue Flue Seal Collar - Tile Roof duct support Roof Flue Extentsion Duct evo HE C - Installation and Servicing...

  • Page 25: 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 26 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 27 5. Finally ensure the roof flashing plate is correctly sealed to the roof. evo HE C - Installation and Servicing...
  • Page 28 (shown in the by grasping the crossbar with pliers. open position) Compression gas cock 2. Reassemble in reverse order, 15mm copper pipe inserting in the direction of the arrow. D.H.W. Inlet evo HE C - Installation and Servicing...

  • Page 29: Gas Connection

    The safety valve is located at the bottom RHS of the boiler. 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. evo HE C - Installation and Servicing...
  • Page 30 1. Fully open all DHW taps and ensure that water flows freely C22/24 = 9.6 l/m (2.1 gpm) from them. C22/30 =12.0 l/m (2.6 gpm) 2. Close all taps. C22/35 =14.4 l/m (3.2 gpm) evo HE C -...

  • Page 31: Electrical Connections

    Ensure that the lengths of the current carrying conductors are shorter than the earth conductor so that if the cable slips in its anchorage the current carrying conductors become taut before the earth conductor. Ecl 1542 evo HE C - Installation and Servicing...

  • Page 32: External Electrical Controls

    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 33 - black v - 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 evo HE C - Installation and Servicing...

  • Page 34: Commissioning And Testing

    WARNING. Whilst effecting the required gas soundness 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 35: Initial Lighting

    Boiler is in lockout for a specific error. Display will be now go through its ignition sequence until the burner is blinking, 0 alternating with a number or letter to show established. which error is detected. evo HE C - Installation and Servicing...
  • Page 36 The principle of the 1:1 gas valve ensures that sealing screw in the pressure test point. Ensure a gas the evo HE C range is able to deliver it’s full output at tight seal is made. inlet pressures down to 14mb. However if dynamic pressures below 20mb are experienced ensure this is 21.
  • Page 37 WATER TEMPERATURES Temperatures can be selected via 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 38: Handing Over

    0.004 ratio. The servicing procedures are covered more fully in Frames 14. Complete the service section in the Benchmark 49-56 and MUST be carried out in sequence. Commissioning Checklist. evo HE C - Installation and Servicing...
  • Page 39 4 screws. 2. Remove the panel. 3. To remove the bottom panel remove the 2 screws. 4. Pull the right hand side of the panel down. Slide it to the right and withdraw. evo HE C - Installation and Servicing...
  • Page 40 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. Turn the clamp, swing the control box down and pull slightly forward. evo HE C - Installation and Servicing...

  • Page 41: 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 42: Cleaning The Heat Exchanger

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

  • Page 43: 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. Ecl 2373 11. Check the operation of the boiler. Refer to Frame 57. evo HE C - Installation and Servicing...
  • Page 44 3. Unclip the thermistor / thermostat from the flow / return pipe and spring clip is securely on the pipe. withdraw it from the controls compartment. 6. Check the operation of the boiler. Refer to Frame 57. evo HE C - Installation and Servicing...
  • Page 45 4. Remove the 2 M4 screws securing the spark generator to the bracket. 5. Fit the new spark generator and re-assemble in reverse order. 6. Check operation of the boiler. Refer to Frame 57. nm8745 evo HE C - Installation and Servicing...
  • Page 46 4. Rotate the actuator anticlockwise and pull forward to remove. 5. Fit new actuator and reassemble in reverse order. Diverter valve actuator 6. Check operation of the boiler. Refer to Frame 57. Electrical lead evo HE C - Installation and Servicing...
  • Page 47 17. Check operation of the boiler. Refer to Frame 57. Fit insulation in the following order: LH Side Rear Rear. Left Hand Side. Front. Right Hand Side. Front RH Side Combustion chamber nm8748 evo HE C - Installation and Servicing...
  • Page 48 6. Ease out the sensor and discard. 7. Fit the new sensor, ensuring silicone grease is applied to the 'O' ring. M4 screw Self tapper screw Electrical lead Sensor M4 screw Support plate Discharge pipe evo HE C - Installation and Servicing...
  • Page 49 3. Remove the 2 screws and allow the user control to lower. 7. Check operation of the boiler. Refer to Frame 57. 4. Push out the mains switch from the rear, as shown. cl 2445 Display unit User control evo HE C - Installation and Servicing...
  • Page 50 4. Fit the new pressure gauge, using a suitable jointing compound. Pressure gauge 5. Refill the boiler. Refer to Frame 36. 6. Check operation of the boiler. Refer to Frame 57. Flow isolation valve (shown in the open position) evo HE C - Installation and Servicing...
  • Page 51 13. Re assemble the boiler in reverse order. 14. Refill the boiler. Refer to Frame 36. Check for leaks around the new air vent joint. 15. Check the operation of the boiler. Refer to Frame 57. evo HE C - Installation and Servicing...

  • Page 52: Draining The Boiler

    9. Refill the boiler. Refer to Frame 36. 10. Check operation of the boiler. Refer to Frame 57. evo HE C - Installation and Servicing...
  • Page 53 7. Remove the pump head. 8. Fit the new pump head. 9. Reassemble in reverse order. 10. Refill the boiler. Refer to Frame 36. 11. Check operation of the boiler. Refer to Frame 57. WILO pump shown evo HE C - Installation and Servicing...
  • Page 54 15. Remove the automatic air vent. Refer to Frame 76. 30. Check operation of the boiler. Refer to Frame 57. 16. Undo the 4 M x 10 screws securing the bottom flue manifold casting and remove. evo HE C - Installation and Servicing...
  • Page 55 5. Reassemble in reverse order. 6. Check operation of the boiler. Refer to Frame 57. 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 56: Fault Finding

    GO TO FRAME 93 ALTERNATING 'H' 'F' ALTERNATING 'H' 'n' GO TO FRAME 94 ALTERNATING 'H' 'E' GO TO FRAME 86 ALTERNATING 'H9' GO TO FRAME 92 GO TO FRAME 92 ALTERNATING 'L9' evo HE C - Installation and Servicing...

  • Page 57: Gas Supply

    Press and hold reset button for 2 seconds. Does boiler operate Internal fault within the PCB 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 58: Pump

    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 59 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 60 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 61: Short List Of Parts

    C22/30 170 995 C22/35 173 545 Ignition lead 173 510 Detection lead 173 512 Dry Fire Thermistor 173 617 (* Refer to boiler serial letter code on data plate to identify correct spare) evo HE C - Installation and Servicing...

  • Page 62: Short List

    SHORT LIST OF PARTS 95 SHORT LIST nm8415 evo HE C - Installation and Servicing...

  • Page 63: Burner Assembly

    Controls hinge bracket. User controls (without item 38). PCB (primary controls). User controls housing Mains switch. Jumper link (not shown) Ecl 2552 98 BURNER ASSEMBLY 11. Burner assembly with screws and gasket. Ecl 1598 evo HE C - Installation and Servicing...
  • Page 64 NOTES evo HE C - Installation and Servicing...

  • Page 65: Installer Notification Guidelines

    IT IS A CONDITION OF THE MANUFACTURERS WARRANTY THAT THE BENCHMARK CORGI will record the data and COMMISSIONING CHECKLIST IS will send a certificate of compliance to the property FULLY COMPLETED AND LEFT WITH THE APPLIANCE evo HE C - Installation and Servicing...

  • Page 66: Controls

    BENCHMARK No. GAS BOILER COMMISSIONING CHECKLIST C O L L E C T I V E M A R K BOILER SERIAL No. NOTIFICATION No. CONTROLS To comply with the Building Regulations, each section must have a tick in one or other of the boxes TIME &...

  • Page 67: Service Interval Record

    SERVICE INTERVAL RECORD It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below. Service Provider. Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the boiler manufacturer's instructions.
  • Page 68 The code of practice for the installation, commissioning & servicing of central heating systems Wolseley Installer/Technical Helpline: 0870 8498057...

This manual is also suitable for:

C22/24C22/35

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