Ideal Boilers HE24 Installation And Servicing Instructions
  1. Manuals
  2. Brands
  3. Ideal Boilers Manuals
  4. Boiler
  5. HE24
  6. Installation and servicing instructions

Ideal Boilers HE24 Installation And Servicing Instructions

Hide thumbs Also See for HE24:
Table of Contents

Advertisement

Quick Links

See also: Installation and Servicing , User Manual
installation and
servicing
isar + programmer
Your Ideal installation and servicing guide
For details of document amendments, refer to page 3
HE24, HE30, HE35
When replacing any part on this appliance, use only spare parts that you can be
assured conform to the safety and performance specification that we require. Do not
use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers.
October 2006 UIN 202851 A01
For the very latest copy of literature for specification purposes please visit our website
www.idealboilers.com where you will be able to download the relevant information in pdf format.
ENGINEERED FOR PEACE OF MIND

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the HE24 and is the answer not in the manual?

Questions and answers

Related Manuals for Ideal Boilers HE24

Summary of Contents for Ideal Boilers HE24

  • Page 1 When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers. October 2006 UIN 202851 A01...
  • Page 2 isar + programmer - Installation and Servicing...
  • Page 3 DOCUMENT AMENDMENTS Relevant Installation changes implemented in this book from Mod Level ........A01 (Oct 06) Caradon Ideal Limited reserve the right to vary specification without notice isar + programmer - Installation and Servicing...
  • Page 4 GENERAL Table 1 - General Data isar HE24+P HE30+P HE35+P Gas supply 2H - G20 - 20mbar Gas Supply Connection Rc 1/2 (1/2” BSP female) Injector Size Stereomatic 5.6mm dia. 5.7mm dia Inlet Connection Domestic Hot Water 15mm copper compression...
  • Page 5 Benchmark Commissioning Checklist ..... 62 Boiler size G.C. Appliance No. PI No. Boiler Clearances ............9 (Benchmark No.) Boiler Exploded Diagram ..........13 HE24+P 47 348 43 0063 BO 3317 Condensate Drain ........... 10, 21-22 HE30+P 47 348 44 0063 BO 3317 Electrical Connections ..........

  • Page 6: Safe Handling

    The full output from the boiler is then directed via the diverter valve to the exchanger Condensate 'S' trap plate heat exchanger to supply a nominal DHW draw-off of Pump Diverter HE24 9.6 l/min at 35 C temperature rise. Safety valve relief valve HE30 12 l/min at 35 C temperature rise.

  • Page 7: Location Of Boiler

    Installation of gas fired hot water boilers of rated input not exceeding 70 kW. Flue Extension Ducts (1000mm long). BS. 6891 Low pressure installation pipes. HE24-up to 6m Health & Safety Document No. 635. HE30-up to 6m The Electricity at Work Regulations, 1989. HE35-up to 3m The manufacturer’s notes must NOT be taken, in any way, as...

  • Page 8: Flue Installation

    GENERAL For the minimum clearances required for safety and FLUE INSTALLATION subsequent service, see the wall mounting template and Pluming will occur at the terminal so terminal positions where Frame 2. In addition, sufficient space may be required to this could cause a nuisance should be avoided. allow lifting access to the wall mounting plate.
  • Page 9 Top clearance from centre line of boiler required (MIN.) time prog select P R O G R A M M E R to outside wall Dim. A HE24 HE30 HE35 0.5 m 0.5 m 0.5 m 160 mm (6 ") 5/16 1.0 m...

  • Page 10: Electrical Supply

    GENERAL BOILER CONTROL INTERLOCKS ELECTRICAL SUPPLY WARNING. Caradon Ideal Limited recommend that heating systems This appliance must be earthed. utilising full thermostatic radiator valve control of temperature Wiring external to the appliance MUST be in accordance with in individual rooms should also be fitted with a room the current I.E.E.

  • Page 11: Domestic Hot Water

    GENERAL SYSTEM REQUIREMENTS - CH (continued) and Hot Water an additional vessel MUST be installed on the return to the boiler. Water Flow Rate and Pressure Loss Guidance on vessel sizing is given in Frame 3. Max CH Output 23.4 5.

  • Page 12: Water Treatment

    INSTALLATION WATER TREATMENT CENTRAL HEATING DOMESTIC HOT WATER The isar range of boilers have an ALUMINIUM alloy heat In hard water areas where main water can exceed 200ppm 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 isar + programmer - Installation and Servicing...
  • Page 14 INSTALLATION UNPACKING The boiler is supplied fully assembled in one Pack A, together with a standard flue assembly for lengths up to 650mm, rear or side flue outlet, in Pack B. Unpack and check the contents. Pack A Contents Boiler Hardware Pack Box Pre-piping Frame These Installation/Users...
  • Page 15 INSTALLATION 10 PACKAGING REMOVAL 1. Ensure the boiler is on a sound flat surface. 2. Carefully remove the strapping. 3. Fold back the top flaps to gain access to: Instructions. Wall mounting template. 1 year guarantee. Pre-piping Pre-piping frame. frame 4.
  • Page 16 HE24 AND HE30 - 20M TOTAL (AIR PLUS FLUE DUCT-60/60 TWIN FLUE KIT) HE24, HE30 AND HE35 - 46M TOTAL (AIR PLUS FLUE DUCT - 80/80 TWIN FLUE KIT) ELBOW KIT 60/100 (EQUIVALENT FLUE LENGTH RESISTANCE = 1M) ELBOW KIT 60/100 (EQUIVALENT FLUE LENGTH RESISTANCE = 0.6M) Notes.
  • Page 17 INSTALLATION 13 FLUE ASSEMBLY - Exploded View An optional flue duct extension kit is required for wall thicknesses greater than : Side 455mm (18"). Rear 490mm (19 "). LEGEND 1. Duct assembly. 2. Flue turret. 3. Turret gasket. 4. M5 x 10 pozi screw. 5.

  • Page 18: Preparing The Wall

    INSTALLATION 15 PREPARING THE WALL IMPORTANT. Ensure that, 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 Rear flue only Side flue only tool), ensuring that the hole is square to the wall.
  • Page 19 Ecl 1244 No. 10 x2" wood screw - 4 off 19 FLUE EXTENSION DUCTS - continued Use a maximum of 6m extended flue ONLY (HE24 & 30) Use a maximum of 3m extended flue ONLY (HE35) General arrangement 1. A maximum of 6 extension ducts for the HE24/...
  • Page 20 INSTALLATION 21 FITTING THE PIPING FRAME AND VALVES (Rear Flue outlet shown) Note. Isolating valves are supplied separately in the hardware pack box. Fit to the piping frame BEFORE mounting the boiler. TO FIT THE PRE-PIPING FRAME DIRECTLY TO THE WALL TO FIT THE PRE-PIPING FRAME USING THE STAND-OFF FRAME OPTION KIT (To allow pipework to be taken upwards) •...

  • Page 21: Condensate Drain

    INSTALLATION 22 CONDENSATE DRAIN Refer also to the British Gas document: 'Guidance Notes for the Installation of Domestic Gas Condensing Boilers' (1989). Before mounting the boiler on the wall, the condensate drain (provided in the h/ware pack) must be connected from the boiler ‘S’...
  • Page 22 INSTALLATION 24 CONDENSATE PIPE TERMINATION CONFIGURATIONS . . . continued 3. INTERNAL CONNECTION TO SOIL AND VENT STACK * Make connection to SVP using a solvent welded saddle BOILER cla7773 4. TERMINATION TO SOAK AWAY External wall Termination BOILER to Soak away cla7774 Ground Level minimum...

  • Page 23: Mounting The Boiler

    INSTALLATION 25 MOUNTING THE BOILER IMPORTANT. 1. Before mounting the boiler on the wall place it on its left hand side, fit the 'S' trap hose moulding/nut and fold the hose to facilitate fitting into pre-piping frame. 2. Ensure that the plastic plugs are removed from both the CH and DHW pipes before mounting.

  • Page 24: Connecting The Flue To The Boiler

    INSTALLATION 26 CONNECTING THE FLUE TO THE BOILER Note. Before fitting the flue turret fill the condensate trap within the boiler by pouring a cupful of water into the flue outlet A. Take care to ensure that the water is only poured into the flue outlet, and does not spill into the boiler casing.

  • Page 25: Gas Connection

    INSTALLATION 28 WATER CONNECTIONS - DHW Cross bar 'O' Ring Retaining Outlet screw connector Regulator / Filter Note. The DHW inlet Piping frame 15mm copper pipe isolating valve incorporates a flow regulator / filter. It should be inspected to ensure no blockage is evident.
  • Page 26 Note. The domestic hot water flow rate is from them. automatically regulated to a maximum: HE24 = 9.6 l/m (2.1 gpm) 2. Close all taps. HE30 = 12.0 l/m (2.6 gpm) HE35 = 14.4 l/m (3.2 gpm) isar + programmer -...

  • Page 27: Electrical Connections

    INSTALLATION 32 ELECTRICAL CONNECTIONS Wiring should be 3 core PVC insulated cable, not less than WARNING. This appliance MUST be earthed. 0.75 mm (24 x 0.2mm), and to BS 6500 Table 16. For IE reference should be made to the current ETCI rules for A mains supply of 230 V ~ 50 Hz is required.

  • Page 28: External Electrical Controls

    INSTALLATION 34 EXTERNAL ELECTRICAL CONTROLS Wiring External to the Boiler The fuse rating should be 3A. Wiring external to the boiler MUST be in accordance with the current I.E.E. (BS.7671) Wiring Regulations and any local regulations. Room Thermostat If the thermostat has a neutral connection, use it (it provides for more energy efficient operation by reducing switching temperature differentials).
  • Page 29 INSTALLATION 35 PICTORIAL WIRING DIAGRAM LEGEND b - blue - red bk - black v - violet br - brown w - white gy - grey y - yellow or - orange y/g - yellow/green pk - pink Dry fire thermistor Permanent black...

  • Page 30: Commissioning And Testing

    INSTALLATION 36 FUNCTIONAL FLOW WIRING DIAGRAM Dry fire thermistor Diverter Val ve nm8414 LEGEND b - blue or - orange bk - black pk - pink w - white br - brown - red y - yellow gy - grey v - violet y/g - yellow/green 37 COMMISSIONING AND TESTING...

  • Page 31: Initial Lighting

    INSTALLATION 38 INITIAL LIGHTING LEGEND A. Boiler On/Off switch B. LED display L. Control box (Servicing position) C. Select (reset) button M. Pressure gauge D. Injector pressure test point N. CH Flow isolating valve E. Inlet pressure test point P . CH Return isolating valve F .
  • Page 32 INSTALLATION 39 INITIAL LIGHTING - continued 17. Turn off the DHW tap. 15. DOMESTIC HOT WATER 18. Set the boiler on/off switch (A) to OFF. Ensure programmer is in an ‘ON’ DHW period. With the 19. Swing the control box into the servicing position. Refer to boiler firing, fully open a DHW tap.
  • Page 33 INSTALLATION 41 GENERAL CHECKS - continued CENTRAL HEATING (CH) & DOMESTIC HOT WATER (DHW) WATER CIRCULATION SYSTEM MODE. 1. With the system COLD, check that the initial pressure is correct to the system design requirements. 1. Ensure that the CH external controls are calling for heat. For pre-pressurised systems, this should be 1.0 bar.

  • Page 34: Handing Over

    SERVICING 42 HANDING OVER After completing the installation and commissioning of the system the installer should hand over to the householder by the following actions: 1. Hand the User Instructions and Quick Reference Guide 6. Explain and demonstrate the function of time and to the householder and explain his/her responsibilities temperature controls, radiator valves etc., for the economic under the relevant national regulations.
  • Page 35 SERVICING 44 BOILER FRONT PANEL REMOVAL 1. Remove the 2 screws from the underside of the boiler. 2. Pull the panel forward at the bottom and lift to disengage it from the top lugs. pr og pr og se le se le t im 45 BOILER SEALING PANEL / BOTTOM PANEL REMOVAL...
  • Page 36 SERVICING 46 THE CONTROL BOX IN THE SERVICING POSITION 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.

  • Page 37: Burner Removal And Cleaning

    SERVICING 47 FAN AND VENTURI ASSEMBLY REMOVAL AND CLEANING 1. Disconnect the electrical leads from the fan. 2. Undo the gas pipe union connection to the injector housing. 3. Undo the screw on the fan mounting bracket. 4. Lift off fan and venturi assembly. 5.

  • Page 38: Cleaning The Heat Exchanger

    SERVICING 49 CLEANING THE CONDENSATE 'S' TRAP 1. Swing the control box down into the servicing position. Refer to Frame 46. 2. Disconnect the condensate drain pipe. 3. Remove the screw and elongated bolt, pull the trap down and forward to remove.

  • Page 39: Replacement Of Components

    SERVICING 52 REPLACEMENT OF COMPONENTS GENERAL IMPORTANT. When work is complete, the sealing panel, if removed, must When replacing ANY component be correctly refitted - ensuring that a good seal is made. 1. Isolate the electricity supply. Notes. 2. Turn off the gas supply. 1.

  • Page 40: Burner Injector Replacement

    SERVICING 55 BURNER INJECTOR REPLACEMENT 1. Refer to Frame 52. 2. Remove the boiler front and sealing panels. Refer to Frames Injector 44 & 45. 3. Disconnect the electrical leads from the fan. 4. Undo the gas pipe union connection to the injector housing. 5.

  • Page 41: Ignition Electrode Replacement

    SERVICING 58 IGNITION ELECTRODE REPLACEMENT 1. Refer to Frame 52. 6. Remove the electrode. 2. Remove the boiler front and sealing panels. Refer to 7. Fit the new ignition electrode, using the new gasket Frames 44 & 45. supplied. Check dimensions as shown. 3.

  • Page 42: Gas Control Valve Replacement

    SERVICING 61 GAS CONTROL VALVE REPLACEMENT 1. Refer to Frame 52. 2. Remove the casing front & bottom panel. Refer to Frames 44 & 45. 3. Swing the control box down into the servicing position. Refer to Frame 46. 4. Unplug the electrical lead from the gas control valve and disconnect the earth wire.

  • Page 43: Combustion Chamber Insulation Replacement

    SERVICING 63 COMBUSTION CHAMBER INSULATION REPLACEMENT 8. Damp down the combustion chamber area containing the The insulation boards used in the combustion chamber of insulation boards. this product are made of high temperature glass fibres with a binder of organic and inorganic materials. 9.
  • Page 44 SERVICING 64 CONDENSATE 'S' TRAP REPLACEMENT 1. Refer to Frame 52. 2. Remove the casing front & bottom panel. Refer to Frames 44 & 45. 3. Swing the control box down into the servicing position. Refer to Frame 46. 4. Disconnect the condensate drain pipe. 5.

  • Page 45: Control Box Replacement

    SERVICING 66 CONTROL BOX REPLACEMENT 8. Transfer mounting bracket and hinge arms to the new control box. 1. Refer to Frame 52. 9. Reassemble in reverse order, ensuring that the control box 2. Remove the casing front & bottom panel. is located correctly in the housing before reconnecting the Refer to Frames 44 &...
  • Page 46 SERVICING 68 USER CONTROL REPLACEMENT Note. Only the display unit is replaced. 1. Refer to Frame 52. 2. Loosen the screw on the underside of the user control. 3. Pull the display unit forward to remove. 4. Push the new display unit into position. 5.
  • Page 47 SERVICING 70 SAFETY RELIEF VALVE REPLACEMENT 7. Remove the safety valve. 1. Refer to Frame 52. 8. Fit the new safety valve and refit the securing pin. 2. Remove the casing front and bottom panels. Refer to 9. Reassemble in reverse order, ensuring correct Frames 44 &...

  • Page 48: Draining The Boiler

    SERVICING 72 DRAINING THE BOILER Compression gas cock 1. Refer to frame 52. 2. Remove the boiler bottom panel. Refer to Frame 45. 3. Close all the water isolating (CH and DHW) valves on the piping frame. 4. To drain the central heating circuit, attach a length of hose to the drain point and open the drain valve.
  • Page 49 SERVICING 74 DHW PLATE HEAT EXCHANGER REPLACEMENT (WILO AND CP) 1. Refer to Frame 52. 2. Remove the casing front & bottom panel. Refer to Frames 44 & 45. 3. Drain the boiler. Refer to Frame 72. 4. Remove the 4 screws securing the rear support plate and withdraw the plate.
  • Page 50 SERVICING 76 HEAT ENGINE REPLACEMENT 17. Remove the automatic air vent. Refer to Frame 71. Refer also to Frame 8 - 'Boiler Exploded View'. 18. Remove the edge clip securing the dry fire thermistor IMPORTANT wiring. Before starting the removal procedure, protect the gas and 19.

  • Page 51: Boiler Sealing Panel Seal Replacement

    SERVICING 77 EXPANSION VESSEL REPLACEMENT 1. Refer to Frame 52. 2. Drain the boiler. Refer to Frame 72. 3. Unscrew all the gas and water connection unions on the xpansion vessel boiler side of the valves. 4. Remove the screw from the turret clamp and remove. 5.

  • Page 52: Fault Finding

    FAULT FINDING 79 FAULT FINDING CHART MAIN MENU In order to assist fault finding the boiler has an LED diagnostic display. The key to the display codes is as follows: GO TO FRAME 80 'L' 'F' 'L' 'E' GO TO FRAME 81 'L' 'A' GO TO FRAME 82 GO TO FRAME 83...
  • Page 53 FAULT FINDING 80 L..F..(FLAME DETECTION ERROR) If the boiler select (reset) button Is gas pressure available at Check gas supply is pressed does the boiler ignite the boiler inlet ? and rectify fault for a short time then extinguish? Is 200V DC supply available Check gas valve Check the detection electrode and...
  • Page 54 FAULT FINDING 82 L..A..(OVERHEAT ERROR) Can the overheat condition be reset by pressing the Replace overheat thermostat boiler select (reset) button when the system is cold ? Is the boiler and CH system filled with Fill and vent the system and open all water and all isolation valves open ? isolation valves Does the pump setting give a differential across...
  • Page 55 FAULT FINDING 85 H..2..(CONTROL THERMISTOR [RETURN] ERROR) Remove the boiler return thermistor from the CH return pipe. Check resistance using a suitable multimeter connected across the thermistor’s terminal pins At 25 C expect 9,700 - 10,300 Ohms At 60 C expect 2,400 - 2,600 Ohms...
  • Page 56 FAULT FINDING 87 H..4..(DRY FIRE THERMISTOR ERROR) H9/L9 (HEAT EXCHANGER OVERHEAT) Is the system filled and vented and all Can the fault condition be reset by switching off isolation valves open ? the mains supply to the boiler ? Is the pump operating correctly? Ensure flow through system.

  • Page 57: Short List Of Parts

    When replacing any part on this appliance use only spare parts that you can be assured conform to the safety and performance specification that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Boilers.

  • Page 58: Short List Of Parts

    SHORT LIST OF PARTS 90 SHORT LIST g p r nm8440 isar + programmer - Installation and Servicing...

  • Page 59: Burner Assembly

    LIST OF PARTS 91 BOILER CASING ASSEMBLY 1. Front casing panel with screws. 2. Sealing panel with screws. 4. Bottom panel with screws. 92 CONTROLS ASSEMBLY Controls assy with screws. Controls hinge bracket. User controls (without item 38). PCB (primary controls). User controls housing Mains switch.
  • Page 60 NOTES isar + programmer - Installation and Servicing...

  • Page 61: Installer Notification Guidelines

    INSTALLER NOTIFICATION GUIDELINES IT IS A REQUIREMENT OF CORGI MEMBERSHIP TO REGISTER EVERY GAS APPLIANCE In addition a change to Building Regulations (England and Wales) requires the installer to notify when installing a heating appliance, as from 1st April 2005. Install and commission this appliance to manufacturers' instructions...
  • Page 62 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 63: 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 64 & servicing of central heating systems Manufactured under a BS EN ISO 9001: 2000 Quality System accepted by BSI Ideal Boilers, P.O. Box 103, National Ave, Kingston upon Hull, HU5 4JN. Telephone: 01482 492 251 Fax: 01482 448 858. Registration No. London 322 137.

This manual is also suitable for:

He30He35

Table of Contents

Save PDF