Ideal Boilers Classic Combi FF 280 Installation And Servicing
  1. Manuals
  2. Brands
  3. Ideal Boilers Manuals
  4. Boiler
  5. Classic Combi FF 280
  6. Installation and servicing
Ideal Boilers Classic Combi FF 280 Installation And Servicing

Ideal Boilers Classic Combi FF 280 Installation And Servicing

Wall mounted, fanned, balanced flue gas boilers
Hide thumbs Also See for Classic Combi FF 280:
Table of Contents

Advertisement

Quick Links

See also: Installation and Servicing Manual , User Manual
Classic Combi FF 280
Installation & Servicing
Wall Mounted, Fanned, Balanced Flue Gas Boilers
Natural Gas Models Only
Classic Combi
FF 280 .............................47 415 08
CAUTION.
To avoid the possibility of injury during the installation and servicing of this appliance, care should be taken when handling edges of sheet components.
NOTE TO THE INSTALLER: LEAVE THESE INSTRUCTIONS ADJACENT TO THE GAS METER
G.C. Appliance No.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Classic Combi FF 280 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Ideal Boilers Classic Combi FF 280

Summary of Contents for Ideal Boilers Classic Combi FF 280

  • Page 1 Classic Combi FF 280 Installation & Servicing Wall Mounted, Fanned, Balanced Flue Gas Boilers Natural Gas Models Only Classic Combi G.C. Appliance No. FF 280 ......47 415 08 CAUTION. To avoid the possibility of injury during the installation and servicing of this appliance, care should be taken when handling edges of sheet components.

  • Page 2: Table Of Contents

    DHW , if there is a demand at this time. Water is not released to the system until a temperature of 60°C. is reached within the boiler. Refer also to 'Boiler Water Circuit Diagrams'. Classic Combi FF 280 - Installation...
  • Page 3 Gas consumption (hot) l/s (ft 0.76 (96.3) Domestic hot water flow rate at 35°C. temp. rise l/m (gpm) 9.6 (2.1) Note. Gas consumption is calculated using a calorific value of 38.7 MJ/m (1038 Btu/ft Classic Combi FF 280 - Installation...

  • Page 4: Water Circuit Diagrams

    GENERAL BOILER WATER CIRCUIT DIAGRAMS Classic Combi FF 280 - Installation...

  • Page 5: Gas Safety (Installation & Use) Regulations, 1994

    The boiler must be installed on a flat and vertical wall, capable of adequately supporting the weight of the boiler and any ancillary The complete installation MUST be tested for gas soundness equipment. and purged as described in the above code. Classic Combi FF 280 - Installation...

  • Page 6: Boiler Clearances

    B pack 1 off + D pack 1 off 111 492 + 111 493 1800 to 3000 B pack 1 off + D pack 2 off 111 492 + All dimensions in mm (in.) 111 493, 2 off Classic Combi FF 280 - Installation...

  • Page 7: Air Supply

    The domestic hot water (DHW) calorifier is incorporated within the boiler casing and only requires connection to the mains water supply. Classic Combi FF 280 - Installation...

  • Page 8: Electrical Regulations

    (Btu/h) (80 000) (65 000) (15 000) Water flow rate l/min 22.5 24.8 (gal/h) (297) (327) (75) Temperature °C differential (°F) (27) (20) (20) Pressure mbar available for system (in. w.g.) (63) (47) (157) Classic Combi FF 280 - Installation...
  • Page 9 MUST be installed on the return to the boiler. Guidance on vessel sizing is given in the Multiplying factors for table shown and also in BS.7074:1 and other system volumes 0.063 0.074 BS.5449:1. Classic Combi FF 280 - Installation...
  • Page 10 Hot and cold water supplies to the shower are of equal pressure. IMPORTANT. Provision must be made to accommodate the expansion of DHW contained within the appliance if a non-return valve is fitted to the DHW inlet. Refer to Frame 4. Classic Combi FF 280 - Installation...

  • Page 11: Installation

    Terminal wall plate - 1 off Terminal grille assembly - 1 off Polyurethane foam seal 400 lg - 1 off Flue terminal Terminal wall plate No. 8 x 8 lg. Pozi pan screw hd. screws - 3 off Classic Combi FF 280 - Installation...
  • Page 12 (a) Controls pod (b) Casing retaining 4. Unpack the flue assembly / extension flue fixing screws, 2 off screws, 4 off box(es). Packing base Controls pod casing Classic Combi FF 280 - Installation...

  • Page 13: Rear Installation

    2. Drill 9 holes for the wall mounting plate with an 8mm ( ") 5/16 plate need not be masonry drill. fitted. Note. Check all of the hole 3. Insert the plastic plugs provided. positions BEFORE drilling Classic Combi FF 280 - Installation...

  • Page 14: Fitting The Flue Assembly

    2. Locate six No.14 x 2" screws in the lower fixing holes and drive home all screws. 3. Check with a spirit level that the plate is vertical. Classic Combi FF 280 - Installation...
  • Page 15 PROCEED TO FRAME 42 17 PRE-WIRING The mains supply and other external wiring may now be made, if required, BEFORE the boiler and Combi modules are mounted on the wall - refer to Frames 46 to 49. Classic Combi FF 280 - Installation...

  • Page 16: Mounting The Boiler

    The sealing plate studs will locate in the back panel one way only. This will ensure that the terminal grille is correctly aligned. APPLIANCES FITTED WITH A REAR OUTLET FLUE: PROCEED DIRECTLY TO FRAME 38 Classic Combi FF 280 - Installation...

  • Page 17: Side Installation

    Note. If the terminal is to be sited within 25-40mm of a corner or vertical pipe (refer to Table 4) then the hole MUST be accurately cut and the rubber weather seal trimmed around the groove provided. The terminal wall plate need not be fitted. Classic Combi FF 280 - Installation...
  • Page 18 Do not drill the inner flue and boiler sealing ring. duct 3. Insert the self tapping screws, provided, in order to fix the boiler sealing ring in position. Flue assembly Classic Combi FF 280 - Installation...

  • Page 19: Fitting The Side Outlet Plates

    For installations with both top and bottom water connections If required, connection to the system pipework may now be made before the boiler is mounted on the wall - proceed to 'Water Connections', Frame 42. Classic Combi FF 280 - Installation...

  • Page 20: Connecting The Flue To The Boiler

    5. Pull the flue extension tube and engage onto the fan elbow and secure with the screw. Note. The sealing plate studs will locate in the back panel one way only. This will ensure that the terminal grille is correctly aligned. Classic Combi FF 280 - Installation...

  • Page 21: Extension Ducts - Fitting

    B Pack 1 off see Frame 3 600 to 1800 B Pack 1 off + D Pack, 1 off see Frame 3 1800 to 3000 B Pack 1 off + D Pack, 2 off see Frame 3 Classic Combi FF 280 - Installation...
  • Page 22 Note. Ensure that the elbow is pushed fully home onto the pipe. 8. Offer the Combi module on top of the boiler and engage the Combi module RETURN pipe within the brass compression elbow (A). Classic Combi FF 280 - Installation...
  • Page 23 Refer to diagram. If adjustment is found to be necessary undo the 2 locking nuts provided, adjust the hexagon headed screws until the 47mm dimension is 47 mm achieved and tighten the locking nuts. Classic Combi FF 280 - Installation...

  • Page 24: Pump

    - refer to Frame 16). circuit via the manual air vent on top of the calorifier. 2. Open the domestic hot water Boiler draw-off taps, clear air locks and check for water soundness. Classic Combi FF 280 - Installation...

  • Page 25: Electrical Connections

    Pictorial and schematic wiring diagrams are shown in Frames 49 and 50. Note. If the optional Programmer Kit is to be fitted, refer to the instructions provided with the kit and Frame 48 . Flow wiring diagram Classic Combi FF 280 - Installation...

  • Page 26: Wiring The Boiler

    7. Fit the terminal strip cover under the control box and secure it to the wall mounting plate with the extended nut as shown. Classic Combi FF 280 - Installation...

  • Page 27: External Control

    If in doubt, ask your installer for advice. Note. Secure any leads with the cable clamps provided. Refit the terminal box cover. Classic Combi FF 280 - Installation...
  • Page 28 INSTALLATION 49 PICTORIAL WIRING DIAGRAM LEGEND blue black brown yellow white g/y green/yellow bk/w black/white violet grey 50 SCHEMATIC WIRING DIAGRAM LEGEND violet blue brown yellow g/y green/yellow gy grey black white bk/w black/white Classic Combi FF 280 - Installation...

  • Page 29: Initial Lighting

    Particularly check gas valve flanges. start. After the fan has run for a few seconds the pilot solenoid 10. Set the burner on/off switch to OFF. valve will open and the intermittent spark commence, Classic Combi FF 280 - Installation...
  • Page 30 1.0 bar (14.5 psi). investigate. 2. Set the RED fill pressure indicator on the pressure gauge (E) WARNING. Do not operate the boiler with the casing removed. to the initial system pressure. Refer to Frame 4 'Filling'. Classic Combi FF 280 - Installation...

  • Page 31: Handing Over

    6. Explain the function of the boiler overheat thermostat and should be carried out AT LEAST ONCE A YEAR. emphasise that if cutout occurs, the boiler should be turned off and a CORGI registered installer consulted. Classic Combi FF 280 - Installation...

  • Page 32: Servicing

    Remove burner to a safe place for inspection and cleaning. 2. Remove the control box fixing screw. Pull the box forward and downward to disengage. Classic Combi FF 280 - Installation...

  • Page 33: Cleaning The Fan Assembly / The Flueways

    3. Refit the 3 sensing tubes and reconnect the electrical refitted. Ensure that a good seal is made. leads. 10. Close the controls pod door. 4. Refit the air box assembly and burner. Ensure that the burner front fixing is refitted. Classic Combi FF 280 - Installation...

  • Page 34: Gas Pressure Adjustment

    Any required adjustments should be made by using the pressure adjustment screw. Refer to 'Initial Lighting', Frame 52. Classic Combi FF 280 - Installation...

  • Page 35: Spares Replacement

    3. To remove the overheat thermostat pull off the electrical connections at the thermostat. Remove the backnut retaining the thermostat to the bracket. Remove the thermostat from the heat exchanger pocket. 4. Reassemble in reverse order. Classic Combi FF 280 - Installation...

  • Page 36: Pilot Burner Replacement

    5. Fit the new burner, ensuring that the retention tab is correctly located in the air box slot. 6. Refit the M5 retaining screw and washer. 7. Refit the boiler casing. 8. Check the burner for cross-lighting and flame stability. Classic Combi FF 280 - Installation...

  • Page 37: Combustion Chamber Insulation Replacement

    7. Remove the three M4 screws retaining the fan to the collector hood. 9. Refit the boiler casing. 8. Reassemble in reverse order, ensuring the fan leads, fan earth 10. Check the boiler operation. connection and 3 sensing tubes are reconnected. Classic Combi FF 280 - Installation...

  • Page 38: Printed Circuit Board (Pcb) Replacement

    8. Compress the barbs on the PCB stand-offs to release the PCB from the box. 9. Fit the new PCB and reassemble in reverse order. 10. Refit the boiler jacket. 11. Check the operation of the boiler. 12. Check the ignition operation. Classic Combi FF 280 - Installation...

  • Page 39: Diverter Valve Actuator Replacement

    Note. At this stage, if required, the Syncron motor may be replaced. Refer to the instructions supplied with the replacement motor. 7. Fit the new actuator. PRESET TO THE OPEN POSITION and reassemble in reverse order. Classic Combi FF 280 - Installation...

  • Page 40: Draining The Boiler

    Allen key, and drain the water into a suitable receptacle. 4. Re- assemble in 4. Refit the drain plug, using a suitable jointing compound. reverse order. 5. In order to refill the boiler refer to Frame 4. Classic Combi FF 280 - Installation...
  • Page 41 3. Disconnect the flexible pipe from the vessel. 4. Release the retaining screw and withdraw the expansion vessel. 5. Fit the new expansion vessel, complete with the new sealing washer, and re-assemble in reverse order. Classic Combi FF 280 - Installation...
  • Page 42 11. Transfer the stub pipe to the new valve. 6. Undo diverter valve union A and the bypass union. 12. Fit the new diverter valve and re-assemble in reverse 7. Slacken the CH flow pipe union. order. Classic Combi FF 280 - Installation...
  • Page 43 Overflow pipe 6. Disconnect the overflow union pipe at the bulkhead fitting on top of the wall mounting plate. 7. Undo the safety valve union and withdraw the valve, complete with the overflow pipe. Classic Combi FF 280 - Installation...
  • Page 44 15. Remake all water connections, ensuring that the rods. compression fittings (if used) are correctly refitted. 7. Remove the thermostat sensors from the pockets on the 16. Fully test all functions, including water and gas soundness. heat exchanger. Classic Combi FF 280 - Installation...
  • Page 45 Pump Push-fit elbow Flexible hose Diverter valve CH expansion vessel CH thermostatic valve 104. CH expansion vessel support bracket Calorifier Pressure gauge height adjustment screws and locking nuts - 2 off. DHW flow switch Classic Combi FF 280 - Installation...

  • Page 46: Boiler Exploded View

    100. DHW inlet isolating valve 111. Programmer (if fitted) 101. DHW outlet connection 29. CH control thermostat 112. Burner support bracket 102. Safety valve drain connection 30. DHW preheat thermostat 113. Terminal strip cover Classic Combi FF 280 - Installation...

  • Page 47: Burner Exploded View

    95 CONTROL BOX - Exploded View LEGEND (Numbers up to 67 relate to the B.G. spares list) 20. Control box 21. CH/HW switch 24. CH/HW switch knob 25. Printed circuit board 26. Mains on/off switch 27. Air pressure switch Classic Combi FF 280 - Installation...

  • Page 48: Fault Finding

    Is there a supply voltage Replace the Has the DHW to the fan ? flow switch flowswitch (230 V +10% -6%) operated ? Replace the Replace automatic Replace Logic ignition PCB PCB No.27 No. 25B Classic Combi FF 280 - Installation...
  • Page 49 (230 V AC Logic PCB operating lead and switch now +10% -6%) No.27 correctly electrode are operate ? undamaged and that connections Replace Replace are not close to the gas earthed pressure control metalwork switch valve Classic Combi FF 280 - Installation...
  • Page 50 Does the pump Is there a now start ? supply voltage to the fan ? (230 V +10% -6%) Replace the pump Replace the fan Replace automatic ignition PCB No. 25B Classic Combi FF 280 - Installation...
  • Page 51 Frame 68. Check the gap between electrode Replace the and hood. Check that gas control the HT lead valve electrode undamaged and that connections The boiler is are not close operating to earthed correctly metalwork Classic Combi FF 280 - Installation...

  • Page 52: Central Heating Mode

    ? actuator pressure switch operated? Is there a supply voltage Replace Replace to the fan ? Logic PCB (Expect 230 V No.27 thermostat +10% -6%) Replace the fan Replace automatic ignition PCB No. 25B Classic Combi FF 280 - Installation...
  • Page 53 Check that (230 V AC the HT lead +10% -6%) electrode undamaged and that connections are not close to earthed metalwork Replace the gas control valve The boiler is operating correctly Classic Combi FF 280 - Installation...

  • Page 54: Short List Of Parts

    CH 8 -litre expansion vessel 113 205 Boiler casing assembly 079 947 Controls casing door 079 948 308 331 Boiler sealing pack 079 605 378 087 CH overheat thermostat, RANCO LM7 - P 8508 005 900 Classic Combi FF 280 - Installation...
  • Page 55 SHORT LIST OF PARTS 99 SHORT PARTS LIST Classic Combi FF 280 - Installation...

  • Page 56: Boiler Casing Assembly

    100 BOILER CASING ASSEMBLY Technical Training THIS SYMBOL IS YOUR The Caradon Ideal Technical Training Centre offers a series ASSURANCE OF QUALITY of first class training courses for domestic, commercial and industrial heating installers, engineers and system specifiers. For details of courses please ring: These appliances are designed for use with Natural .......

Table of Contents