Ideal Boilers Classic FF 250 P Installation And Servicing Manual
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Ideal Boilers Classic FF 250 P Installation And Servicing Manual

Wall hung, fanned flue, gas fired boiler
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INSTALLATION
& SERVICING
M A N U A L
classic
the wall hung boiler
Wall hung, fanned flue,
gas fired boiler
Classic FF 250P-275P
1
Classic FF -
Propane Installation

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Summary of Contents for Ideal Boilers Classic FF 250 P

  • Page 1 INSTALLATION & SERVICING M A N U A L classic the wall hung boiler Wall hung, fanned flue, gas fired boiler Classic FF 250P-275P Classic FF - Propane Installation...
  • Page 2 GENERAL Table 1 - General Data Boiler Size FF 250 P FF 260 P FF 275 P Gas supply connection Rc 1/2 (1/2) Flow connection 22mm 28mm copper copper (FEMALE) Return connection 22mm 28mm copper copper (FEMALE) Maximum static water head m (ft.) 30.5 (100) Minimum static water head...
  • Page 3 Rear installation ............14 Side installation ............17 Models G.C. Appliance No. Gas Safety ..............4 Classic FF 250 P 41 387 07 Gas Supply ..............6 Classic FF 260 P 41 387 08 Health & Safety Document .......... 4...

  • Page 4: Location Of Boiler

    GENERAL INTRODUCTION Detailed recommendations are contained in the following British Standard Codes of Practice: The Classic FF250-275 Propane is a range of automatically BS.5482 Domestic butane and propane burning appliances fully controlled, wall mounted, balanced flue, fanned gas boilers. BS.6891 Low pressure installation pipes.

  • Page 5: Boiler Water Connections

    GENERAL BOILER WATER CONNECTIONS This appliance in NOT suitable for use in a direct hot water system or for gravity circulation. FF 275P boiler ONLY must be fitted with the 22mm x 28mm copper sockets, provided in the Hardware Pack (or equivalent 22mm x 28mm compression fittings), and the pumped flow and return pipes run in 28mm pipe.

  • Page 6: Gas Supply

    GENERAL the electrical provisions of the building regulations applicable in Table 3 - Balanced flue terminal position Scotland with respect to the installation of the boiler in a room or Terminal Position Minimum Spacing internal space containing a bath or shower. Directly below or alongside an opening Where a room-sealed appliance is installed in a room containing window, air vent or other ventilation opening...

  • Page 7: Air Supply

    GENERAL AIR SUPPLY Table 5 - Water flow rate and pressure loss Boiler Size FF 250 P FF 260 P FF 275 P Detailed recommendations for air supply are given in BS.5440:2. The following notes are for general guidance: Boiler 14.7 16.7 21.4...
  • Page 8 GENERAL OPEN VENT SYSTEM REQUIREMENTS - FULLY PUMPED. The system should be vented directly off the boiler flow pipe, as close to the boiler as possible. The cold feed entry should be inverted and MUST be positioned between the Feed / expansion pump and the vent, and not more than 150mm (6") away 450 (18") cistern...
  • Page 9 GENERAL SEALED SYSTEM REQUIREMENTS Make-up vessel Hose (max. capacity union 3 litres) Air vent Non-return valve Water supply Safety valve Pressure gauge Automatic air vent Drain cock HEATING CIRCUIT Hosepipe (disconnect after filling) Pump BOILER Expansion Double check valve vessel BS.1010:2 stop tap Test cock...
  • Page 10 GENERAL SEALED SYSTEM REQUIREMENTS - cont. draw-off points at a lower level then a double check valve 7. Mains Connection shall be installed upstream of the draw-off point. There must be no direct connection to the mains water supply c. Through a temporary hose connection from a draw-off tap or to the water storage tank supplying domestic water, even supplied from a service pipe under mains pressure.
  • Page 11 INSTALLATION BOILER ASSEMBLY - Exploded view Classic FF 30 shown LEGEND 1A. Heat exchanger. Fan. Collector hood assembly. Flue baffles. Wall mounting plate. Combustion chamber. Tie rods. 44B. Programmer (optional). Main burner. 4A. Pumped flow pipe. Back panel. Control box . 5A.
  • Page 12 INSTALLATION UNPACKING Pack A Contents The boiler is supplied fully assembled in Pack A, together with a The complete boiler standard flue assembly for lengths up to 600mm (23 "), rear Installation & Servicing Instructions or side flue outlet, in Pack B. User's Instructions Optional extras, if ordered (Downward Piping Kit, Programmer Hardware Pack (listed below)

  • Page 13: Determining The Flue Length

    INSTALLATION PACKAGING AND CASING REMOVAL 1. Unpack the boiler 2. Remove the casing as follows and place to one side to avoid damage. a. Undo the 2 casing retaining screws (a) retaining the casing to the back panel. b. Swing the bottom of the boiler casing up until the controls pod casing has cleared the controls then unhook the top from the back panel.

  • Page 14: Wall Mounting Template

    INSTALLATION 11 FLUE ASSEMBLY - Exploded View 1. An optional flue duct extension kit is required for wall thicknesses greater than 600mm (23 ") Refer to Frame 2. When cutting the ducts, always use LEGEND the cardboard support rings 1. Terminal. provided.

  • Page 15: Fitting The Flue Assembly

    INSTALLATION 14 CUTTING THE FLUE - wall thicknesses of 114 to 600mm Note. If the stand-off brackets are used it is essential that 30mm is added to the measured wall thickness when marking the flue, (to allow for the thickness of the brackets). 1.

  • Page 16: Mounting The Boiler

    INSTALLATION 18 MOUNTING THE BOILER Note. Have ready to hand the M8 screw, washer and rectangular plate supplied in the hardware pack. For downward routing of pipes the M5 spacer (supplied in the Downward Piping Kit) should now be fitted to the back of the boiler. 1.
  • Page 17 INSTALLATION 21 FLUE ASSEMBLY - Exploded view For wall thickness 114mm to 600mm 1. An optional flue duct extension kit is required for lengths (distance from the outside wall to the relevant side of the boiler casing) greater than 600mm (23 ") Refer to Frame 10.
  • Page 18 INSTALLATION 25 FITTING THE FOAM SEAL 24 CUTTING THE FLUE For flue lengths 114 to 600mm ONLY 1. Measure the flue length required (i.e. the distance from 1. To determine the position for the foam seal measure the the side of the boiler to the outside face of the wall) - wall thickness and mark it onto the flue, measuring from Refer to Frame 11.

  • Page 19: Fitting The Side Outlet Plates

    INSTALLATION 28 FITTING THE SIDE OUTLET PLATES 29 WALL MOUNTING PLATE Note. If the boiler is fitted closer than 25mm to the side wall 1. Fix the mounting plate to the wall with the No.14 x 50mm wood screws. the side outlet plate must be fitted now. 2.

  • Page 20: Connecting The Flue To The Boiler

    INSTALLATION 31 CONNECTING THE FLUE TO THE BOILER 1. Pull the flue through the side outlet plate and locate the 3 studs in the hole in the side of the boiler. 2. Secure the flue to the boiler using the three M5 nuts provided.
  • Page 21 INSTALLATION 34 FLUE EXTENSION DUCTS - continued General arrangement Flue length Note. Side flue shown. Extension 1. A maximum of 3 extension ducts (plus the standard flue Extension duct tube duct) may be used together. 2. Flue extensions of greater length than 1m (39") should be supported with the bracket provided.

  • Page 22: Gas Connection

    INSTALLATION 36 GAS CONNECTION 37 WATER CONNECTIONS Refer to 'Gas Supply ', page 7. 1. Remove the plastic plugs from the flow and Refer to Frame 2 for gas inlet service dimensions. return pipes. A minimum pressure of 37 mbar MUST be available at the boiler inlet with the boiler operating.
  • Page 23 INSTALLATION 40 PICTORIAL WIRING LEGEND gy grey b blue bk black br brown y yellow w white y/g yellow/green or orange v violet p pink 41 MID POSITION VALVE Pumped only Notes. 1. Some earth wires are omitted for clarity. Ensure proper earth continuity when wiring.

  • Page 24: Frost Protection

    INSTALLATION 42 TWO SPRING CLOSED VALVE Pumped only Notes. 1. Some earth wires are omitted for clarity. Ensure proper earth continuity when wiring. 2. Numbering of terminals on thermostats is specific to the manufacturer. 3. This is fully controlled system - set the boiler thermostat to maximum.

  • Page 25: Gas Installation

    INSTALLATION Gas Installation 44 COMMISSIONING AND TESTING (a) Electrical Installation 1. The whole of the gas installation, including the meter, MUST be inspected and tested for soundness, and purged in 1. Checks to ensure electrical safety should be carried out accordance with the recommendations of BS.

  • Page 26: Handing Over

    INSTALLATION 46 INITIAL LIGHTING - continued 19. Swing the control box back into its working position and secure. 20. Remove the boiler casing. 21. Refit the controls support to the boiler casing and tighten the 2 front fixing screws. 22. Refit the complete casing to the boiler.

  • Page 27: Schedule

    INSTALLATION 49 SCHEDULE d. Clean the heat exchanger. Refer to Frame 52. To ensure the continued safe and efficient operation of the appliance, it is recommended that it is checked at regular e. Clean the main and pilot injectors. Refer to Frame 53. intervals and serviced as necessary.

  • Page 28: Cleaning The Fan Assembly / The Flueways

    SERVICING 52 CLEANING THE FAN ASSEMBLY / THE FLUEWAYS 1. Remove the 2 silicon rubber tubes from the fan sensing points. 2. Disconnect the fan leads. 3a. Rear flue Slacken the M4 screw securing the flue connector to the fan. Disconnect the connector from the fan and slide into the flue.

  • Page 29: Gas Pressure Adjustment

    SERVICING 55 GAS PRESSURE ADJUSTMENT PILOT MAIN BURNER The pilot is factory set to maximum and no further adjustment After any servicing, reference should be made to Table 2 is possible. If after removing and checking the injector (as which quotes details of the rated output with the related detailed in Frame 60) and ensuring that there is an inlet burner setting pressure and the heat input.

  • Page 30: Pilot Burner Replacement

    SERVICING 59 THERMOSTAT CONTROL, THERMISTOR SENSOR LEAD and ON/OFF SWITCH REPLACEMENT Refer also to Frame 56. A. Remove the fixing screws B. Swing the control box down into the servicing position. Thermostat control 1. Pull the knob off the shaft. 2.

  • Page 31: Gas Control Valve Replacement

    SERVICING 61 SPARK ELECTRODE AND LEAD REPLACEMENT 1. Refer to Frame 56. 2. Remove the burner and air box assembly. Refer to Frame 51. 3. Remove the electrode retaining nut. 4. Remove the pilot shield. 5. Remove the spark electrode and integral lead. 6.
  • Page 32 SERVICING 64 FAN REPLACEMENT 1. Refer to Frame 56. 2. Remove the 2 silicon rubber tubes from the fan sensing points. 3. Disconnect the fan leads. 4a. Rear flue. Slacken the M4 screw securing the flue connector to the fan. Disconnect the connector from the fan and slide into the flue. 4b.

  • Page 33: Heat Exchanger Replacement

    SERVICING 68 HEAT EXCHANGER REPLACEMENT 8. Slacken 3 turns only the 4 heat exchanger / interpanel Note. Refer to Frame 7 (Boiler Assembly - Exploded view) for retaining screws. illustration of the procedure detailed below. 9. Lift the heat exchanger / interpanel assembly upward and 1.

  • Page 34: Fault Finding

    FAULT FINDING Check mains supply and fuses. Reset the overheat 'stat. Set control START Check programmer and system 'stat to maximum. Allow the boiler to Check that the mains on neon thermostats are all ON. Check that reach temperature - if the overheat 'I3' is illuminated.

  • Page 35: Short List Of Parts

    SHORT LIST OF PARTS 71 BURNER ASSEMBLY - Exploded View 12. Main burner. LEGEND 10. Burner manifold 13. Main burner injector. 17. Gas control valve. 16. Pilot shield. 11. Air box and pilot assembly. 42. Gas service cock. 72 CONTROL BOX - Exploded view LEGEND 19.
  • Page 36 SHORT LIST OF PARTS The following are parts commonly required due to damage or When ordering spares please quote: expendability. Their failure or absence is likely to affect safety or 1. Boiler Model performance of this appliance. 2. Appliance G.C. Number 3.
  • Page 37 SHORT LIST OF PARTS 73 BOILER CASING ASSEMBLY 74 SHORT PARTS LIST Classic FF - Propane Installation...
  • Page 38 NOTES Classic FF - Propane Installation...
  • Page 39 NOTES Classic FF - Propane Installation...
  • Page 40 Technical Training The Caradon Plumbing Limited Technical Training Centre offers a series of first class training courses for domestic, commercial and industrial heating installers, engineers and system specifiers. The code of practice for the installation, For details of courses please ring: ..... 01482 498 432 commissioning &...

This manual is also suitable for:

Classic ff 260 pClassic ff 275 p

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