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Advanced High Efficiency Boilers
H12, H16, H19, H22
(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
October 2009
UIN 203323 A05
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 H12
- Page 1 Packaged Boiler Contents have been checked by Operator Number..For details of document amendments, refer to page 3 October 2009 UIN 203323 A05 Installation & Servicing Instructions See reverse for evo HE Users Guide Manufactured exclusively for Wolseley Centers Ltd. by Ideal Boilers...
- Page 2 HE H - Installation & Servicing...
- Page 3 Relevant Installation changes implemented in this book from Mod Level .....A04 (Apr 08) to A05 (Oct 09) Page 4, Table 2 - Performance Data • New SEDBUK figure for H12 boiler. Page 7, Optional Extra Kits • Addition of Concentric flue Screw Retaining Kit & Adjustable Flue Support Bracket Page 16, Frame 12 - Determining the Flue Lengths and Packs Required •...
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Page 4: Boiler Size
GENERAL Table 1 - Boiler Data Boiler Size H12, H16, H19, H22 Gas supply type and connection 2H-G20-20 mbar Rc " BSP Female Injector size Stereomatic 5.6mm dia. (HE 12 5.8mm dia). Flow connection 22mm copper Return connection 22mm copper Flue terminal diameter mm (in.) -
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 H - Installation & Servicing... -
Page 6: Boiler Clearances
") from the cupboard door but 450mm (17 ") ventilated enclosed cupboard. However, 100mm must be overall clearance is still required, with the cupboard door available for servicing. open, to allow for servicing. evo HE H - Installation & Servicing... -
Page 7: Gas Safety Regulations
• Roof Flue Kit (to a maximum of 7.5m) • Powered Vertical Flue Kit 5m primary and 17m secondary is The evo HE range of boilers are a fully automatically controlled, a typical maximum length. For alternative maximum lengths wall mounted, low water content, balanced flue, fanned, refer to Powered Vertical Instructions. -
Page 8: Flue Installation Requirements
* Only one reduction down to 25mm is allowable per installation installation pipework in accordance with BS6891:2005. Whilst otherwise BS5440-1 2000 dimensions must be followed. the principle of the 1:1 gas valve ensures the evo H range is evo HE H - Installation & Servicing... -
Page 9: Trv's
- particularly where pipes run Any external runs must be insulated. through roof spaces and ventilated underfloor spaces. The drain outlet on the boiler is standard 21.5mm (3/4”) The boiler must be vented. overflow pipe. evo HE H - Installation & Servicing... -
Page 10: Water And Systems
Check that with only the domestic hot water loop in circuit a differential temperature of 20 C across the boiler is not exceeded. 4. Adjust room and cylinder thermostats and programmer to NORMAL settings. evo HE H - Installation & Servicing... - Page 11 The valve expansion vessel. should have the following features: evo HE H - Installation & Servicing...
- Page 12 Sizing procedure for expansion vessels: The volume of the expansion vessel (litres) fitted to a sealed system shall not be less than that given by the table on the following page, multiplied by a factor of 0.8 (for flow temperatures of less than 83 evo HE H - Installation & Servicing...
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Page 13: For All Boilers Flushing To Bs.7593
0.134 0.237 0.113 0.20 WATER TREATMENT The evo HE boiler range has an ALUMINIUM alloy heat exchanger The application of any other treatment to this product may render the guarantee of IMPORTANT. Wolseley Centers Ltd. invalid. Wolseley Centers Ltd. recommend water treatment in accordance with the Benchmark Guidance Notes on Water Treatment in Central Heating systems. -
Page 14: Boiler Exploded Diagram
20. Fan bracket assy. 44. Wall mounting plate. Insulation. Flue sensing nipple. 21. Orifice plate. 53. Turret gasket kit. 13. Heat exchanger. Return pipe. 22. Flue thermistor. 14. Injector & housing. 94. Ignition lead. Flow pipe. evo HE H - Installation & Servicing... - Page 15 B Wall plugs (TP2B ) - 3 off C Mains connector - 1 off nm8464 B Pack Contents A Telescopic flue terminal B Flue turret C Rubber Terminal Wall Seal D Screw E Sealing Tape isfu8751d evo HE H - Installation & Servicing...
- Page 16 2. Lift the front panel up and off the top pegs. 3. To remove the bottom panel remove the 2 screws. 4. Pull the RH side of the panel down. Slide it to the right and withdraw. evo HE H - Installation & Servicing...
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Page 17: Flue Fitting
It is recommended that a support bracket is fitted for every 1 metre of extension pipe used and also at every joint to ensure pipes are held at the correct angle. If a slip joint coupling is used then a support bracket must be used to secure the collar. evo HE H - Installation & Servicing... -
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. evo HE H - Installation & Servicing... -
Page 19: Preparing The Wall
FIGURE 2 Wall Seal Lip Step Rubber Terminal Wall Seal Ensure lip of wall seal is positioned over step on plastic nose of flue terminal (note, seal is cut away for clarity) isfu9783 evo HE H - Installation & Servicing... - Page 20 5. Fix to length using self tappers provided. 6. Seal outer air duct using the tape provided. Measurement to be taken from this point nm8945 evo HE H - Installation & Servicing...
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Page 21: Extension Ducts - Fitting
525mm this can be taken up by the adjustment in the telescopic flue. 5. If the remainder Y is 525mm - 950mm it will be necessary to cut a ‘D’ pack to 400mm. esp8940 evo HE H - Installation & Servicing... -
Page 22: For Condensing Boilers Only 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 H - Installation & 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 H - Installation & Servicing...
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Page 24: Mounting The Boiler
2 studs and fixing NB. The space bracket will utilise one fixing hole only whilst it in the middle with the single M5 x 10mm pozi-hex screw used in conjunction with the stand-off option. provided. evo HE H - Installation & Servicing... - Page 25 29 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 H - Installation & Servicing...
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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 H - Installation & Servicing... - Page 27 INSTALLATION 31 FLUE ARRANGEMENT Note. The equivalent flue length resistance of the elbow kits are: elbow kit = 1m elbow kit = 0.6m evo HE H - Installation & Servicing...
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Page 28: Assembling The Roof Flue Kit
5. Finally ensure the roof flashing plate is correctly sealed to the roof. evo HE H - Installation & Servicing... -
Page 29: Gas Connection
Wiring external to the boiler MUST be in accordance with the system controls. The means of isolation must be current I.E.E. (BS.7671) Wiring Regulations and any local accessible to the user after installation. regulations. evo HE H - Installation & Servicing... -
Page 30: Internal Wiring
Ecl 1542 Incoming mains wiring detail Remove link when connecting external programmer. Mains Connector Socket (supplied in hardware pack) (fixed to boiler) evo HE H - Installation & Servicing... -
Page 31: Electrical Systems Diagrams
- violet DC Gas valve w - white y - yellow Spark generator y/g - yellow/green Ignition electrode Flue thermistor CH return thermistor (not fitted) User PCB nm 7201 Control thermistor evo HE H - Installation & Servicing... -
Page 32: Time And Temperature Control To Heating
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 H - Installation & Servicing... -
Page 33: 41 Initial Lighting
Ensure a gas Note: Boiler frost protection occurs at a temperature less tight seal is made. than 3 degrees. The boiler will fire. 14. Refit the boiler front panel and bottom panel. evo HE H - Installation & Servicing... -
Page 34: Handing Over
Gas Safe Registered Engineer consulted. should be carried out AT LEAST ONCE A YEAR. In IE In IE contact a Registered Gas Installer (RGII). servicing work must be carried out by a Registered Gas Installer (RGII). evo HE H - Installation & Servicing... -
Page 35: Appliance No
3. To remove the bottom panel remove the 2 screws. 4. Pull the RH side of the panel down. Slide it to the right and withdraw. evo HE H - Installation & Servicing... -
Page 36: Burner Removal And Cleaning
4. Inspect the sealing gasket around the Probes 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 H - Installation & Servicing... -
Page 37: Cleaning The Heat Exchanger
8. Refit the boiler front and bottom panels. 4. Refit the burner. 9. Turn on the gas supply at the gas service cock. 5. Refit the fan / venturi assembly. 10. Reconnect the electrical supply. evo HE H - Installation & Servicing... -
Page 38: Replacement Of Components
6. Reassemble the boiler in reverse order. 7. Check the operation of the boiler. Refer to Frame 52. nm9476 evo HE H - Installation & Servicing... -
Page 39: Fan Replacement
7. Reassemble in reverse order. Probes 8. Check the operation of the boiler. Refer to Frame 52. Note. Take care not to disturb the ionisation probes at the front and rear of the combustion chamber. evo HE H - Installation & Servicing... -
Page 40: Ignition Electrode Replacement
Check dimension as shown. 7. Reassemble in reverse order and check that no damage to the combustion chamber insulation has occurred during the electrode replacement. 8. Check operation of the boiler. Refer to Frame 52. evo HE H - Installation & Servicing... -
Page 41: Spark Generator Replacement
8. Transfer the mounting bracket and gas inlet pipe to the new gas control valve. 9. Fit new gas control valve, ensuring that any seals showing damage or deterioration are replaced. Ecl 2343 evo HE H - Installation & Servicing... -
Page 42: Control Box Replacement
(refer to Frame 38) and the key on the switch is correctly aligned with the slot in the plastic moulding. 6. Reassemble in reverse order. 7. Check operation of the boiler. Refer to Frame 52. evo HE H - Installation & Servicing... -
Page 43: Overheat Thermostat Replacement
5. Withdraw the thermistor. 6. Unplug the inline electrical connector. 7. Fit the new thermistor, using the gasket supplied. 8. Reassemble in reverse order. 9. Check operation of the boiler. Refer to Frame 52. nm9479 evo HE H - Installation & Servicing... -
Page 44: 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 H - Installation & Servicing... -
Page 45: Boiler
13. Unscrew the M5 x 10 screw retaining the top manifold flue casing. 14. Remove the top half of the flue manifold from the appliance. 15. Undo the 4 M5 x 10 screws scuring the bottom flue manifold casting. nm9480 evo HE H - Installation & Servicing... -
Page 46: Boiler Sealing Panel Seal Replacement
7. Reassemble in reverse order, ensuring that the new trap is full of water. 4. Undo the plastic union nut on the condensate 'S' trap outlet. 8. Check operation of the boiler. Refer to Frame 52. nm7822 evo HE H - Installation & Servicing... -
Page 47: Fault Finding
GO TO FRAME 76 ALTERNATING 'H' '4' ALTERNATING 'H' 'n' GO TO FRAME 77 GO TO FRAME 71 ALTERNATING 'H' 'E' ALTERNATING 'H9' GO TO FRAME 76 GO TO FRAME 76 ALTERNATING 'L9' evo HE H - Installation & Servicing... - Page 48 Press and hold reset button for 2 seconds. Does boiler operate correctly? Check all earths for continuity Turn boiler off and wait for 5 seconds.Turn boiler on. Does boiler operate correctly? Internal fault within the PCB Replace PCB evo HE H - Installation & Servicing...
- Page 49 At 85 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 H - Installation & Servicing...
- Page 50 3 horizontal lines and will not attempt to refire until the temperature in the heat exchanger drops below 50 77 H..n..(PHASE REVERSAL ERROR) Check wiring to the boiler for reversed live and neutral evo HE H - Installation & Servicing...
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Page 51: Short List Of Parts
Main switch c/w harness 173 537 Spark generator 173 538 E65-527 Gasket kit 170 938 E68-376 Seal kit - sealing panel 171 014 E68-380 Turret gasket 171 022 Ignition lead 175 424 Detection lead 173 511 evo HE H - Installation & Servicing... -
Page 52: Short List
SHORT LIST OF PARTS 78 SHORT LIST nm8077d 79 BOILER CASING ASSEMBLY 1. Front casing panel with screws. 2. Sealing panel with screws. 4. Bottom casing panel with screws. evo HE H - Installation & Servicing... -
Page 53: Burner Assembly
Controls assy with screws. Controls hinge bracket. User controls (without item 38). PCB (primary controls). User control housing Mains switch. Jumper link. 81 BURNER ASSEMBLY 11. Burner assembly with screws and gasket. Ecl 1598 evo HE H - Installation & Servicing... - Page 54 NOTES evo HE H - Installation & Servicing...
- Page 55 HE H - Installation & Servicing...
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Page 57: 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 H - Installation & Servicing... -
Page 58: Benchmark Commissioning Checklist
Gas Safe Register ID Number... - Page 59 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 60 The code of practice for the installation, commissioning & servicing of central heating systems Wolseley Installer/Technical Helpline: 0870 8498057...
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