Alpha InTec 50CS Installation, User And Servicing Instructions

Floor standing, high output, condensing boiler

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Installation, User and
Servicing Instructions
InTec 50CS
Floor standing, high output,
condensing boiler
Leave these instructions with the User

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Summary of Contents for Alpha InTec 50CS

  • Page 1 Installation, User and Servicing Instructions InTec 50CS Floor standing, high output, condensing boiler Leave these instructions with the User...
  • Page 2 CV8 1TH Telephone: 01926 513747 E-mail: info@hhic.org.uk Website: www.hhic.org.uk Useful contact details; Gas Safe Register - 0800 408 5577 - www.gassaferegister.co.uk Alpha Heating Innovation; General Sales Enquiries - 0844 871 8760 Technical Helpline - 0844 871 8764 Alpha Intec 50CS...
  • Page 3: Table Of Contents

    BOILER INSTALLATION 1.1 INTROdUCTION. The Alpha InTec 50CS is a floor standing, high efficiency, condensing, room-sealed combination boiler. The burner is lit electronically and the heat output is controlled by a modulating fan and gas valve. This is a combination boiler (for domestic use only) providing both central heating and domestic hot water at mains pressure.
  • Page 4: Dimensions

    This can cause a variation in the heating power of the mixture delivered to the appliance, with subsequent change in its performance. Fig. 1-2 Alpha Intec 50CS...
  • Page 5: Remote Controls And Programmable Room Thermostats (Optional)

    The following controls for the InTec50CS are also available from Alpha: Part No. 3.021395, CAR V2 ....InTec50CS wired modulating thermostat Part No. 3.021622, Crono 7 ..... InTec50CS wired digital thermostat Part No. 3.021624, Crono 7RF ....InTec 50CS wireless digital termostat Alpha Intec 50CS...
  • Page 6: Fit The Flue

    1.6 FIT THE FLUE - FIGS. -5 ANd 1-6 The following procedure applies to fitting an Alpha CD Easy-Flue to both rear or side exit B + C (mm) Using a single flue - horizontally only. CD Easy-Flue - The CD Easy-Flues are suitable for use in the...
  • Page 7: Reduce The Flue

    Note: Ensure that all cuts are square and free from burrs. Once assembled with the components pushed home, the flue is fully sealed. Allow 20 mm 30 mm Do not cut past this point Fig. 1-10 Alpha Intec 50CS...
  • Page 8: Extend The Flue

    Note: A 130 mm flue hole (127 mm core drill) may be required in the wall. This is when the extended flue is passed through the wall. Additional support brackets are required when extending the flue. These are available from Alpha, Part No. 6.1000355. - Use the template (supplied with the boiler) to...
  • Page 9: Plume Management Components (Optional)

    Remove the screw (2 in Fig. 1-13) securing the terminal end section and remove the end section from the terminal. Fig. 1-13 Alpha Intec 50CS...
  • Page 10 Note: The equivalent horizontal flue assembly length + the equivalent plume management length (PM length) must not exceed the maximum flue length stated for the boiler, i.e. The boiler maximum equivalent flue length must not exceed 12 metres. Fig. 1-14 Alpha Intec 50CS...
  • Page 11: Vertical Flue Options

    75 mm, therefore no additional trap also enables the weather compensation feature is required. An optional Alpha InTec trace heating kit is also on the boiler. available to prevent the condensate from freezing. The condensate should ideally be discharged...
  • Page 12: Flush The System

    (see Fig. 1.18), ensure that the vents are always a Switch on the boiler and allow the open. an Alpha InTec boiler. Failure to do so will system to heat up to the normal invalidate the warranty. Open the central heating flow and return valves.
  • Page 13: Circulation Pump

    (White or Orange LEd). The pump indicated by a fixed red LED. Turn the selector The Alpha Intec boilers are supplied with 2 types maintains a constant head as the system heat up to the MAX position, disconnect and of pump, both with variable speed adjuster.
  • Page 14 G = Head available to the system with pump selector in position C3 H = Pump power with selector in position P I = Pump power with selector in position C4 (standard setting) J = Pump power with selector in position C3 Fig. 1-18 Alpha Intec 50CS...
  • Page 15: Boiler Components

    32 - System expansion vessel (11.7 litre) 33 - Hot water cyliner assembly (53 litre) 34 - Control panel 35 - Inlet filter, flow regulator, check valve fitting 36 - domestic hot water safety valve (8 bar) Fig. 1-19 Alpha Intec 50CS...
  • Page 16: User And Maintenance Instructions

    20 and 7 - External temperature display with external probe connected (optional) - Display of reset or exit menu 11 12 13 request - Chimney sweep function in progress - Boiler pressure gauge - Multi-function display Fig. 2-1 Alpha Intec 50CS...
  • Page 17: Operating Modes

    In the central heating mode, if the temperature °C of the water contained in the system is sufficient to heat the radiators, the burner will shut off SET DHW and only the pump will operate. Fig. 2-2 Alpha Intec 50CS...
  • Page 18: Fault Signals

    2.6 FAULT SIGNALS. measured (Par. 1.5). It is possible to modify boiler (ERR02). To eliminate 'overheating fault' The Alpha InTec boiler signals any faults by the the flow temperature from -15°C to +15°C the Reset button 'C' must be pressed. If this flashing symbol (item 5 in Fig.
  • Page 19: Boiler Shutdown

    Hot water store drain tap If normal conditions are restored, the boiler re-starts without having to be reset. If this occurs frequently, contact a qualified engineer for assistance. Central heating drain tap Fig. 2-8 Alpha Intec 50CS...
  • Page 20: Parameters And Information Menu

     C optional environmental thermostat (TA)  C is out of service By pressing button 'D' the customisations RESET select made are zeroed, restoring the factory ser values  C Alpha Intec 50CS...
  • Page 21: Boiler Start-Up (Initial Check)

    14 - Air sample point 30 - Pressure switch 46 - Pressure reducing valve 15 - Flue sample point 31 - Boiler pump 47 - DHW isolation valve 16 - Venturi pressure points 32 - Automatic air vent Fig. 3-1 Alpha Intec 50CS...
  • Page 22: Wiring Diagram

    CO2 in the deactivate the function by switching the boiler pressure must be between 1 and 1.2 bar. Check flue gas. off and on again using the Stand-by button that system has been filled and vented correctly. Alpha Intec 50CS...
  • Page 23: Pump Anti-Seize Function

    - electrical power cables must be inside the sleeving. - there must be no traces of blackening or burning. Note: When carrying out maintenance on the boiler, also check the central heating system to ensure it is functioning correctly and free of leaks. Alpha Intec 50CS...
  • Page 24: Casing Removal

    (see view B) then pull it forwards off the side panels. - Side panels (item 16, Fig. 3-5). Remove the upper and lower screws (15) then slide the panel forwards to disengage it from the rear fixings (see view C). Alpha Intec 50CS...
  • Page 25: Combustion Settings

    NOX at 0% of O2 at Nom.Q./Min. 83 / 43 99 / 54 Flue temperature at nominal output °C Flue temperature at minimum output °C Gas rate at maximum heat output m³/h 3.49 Gas rate at maximum heat output kg/h 2.57 Alpha Intec 50CS...
  • Page 26: Technical Data

    2 bar and an inlet temperature of 15°C, the restrictor must be removed from the cold inlet values are measured directly at the boiler outlet connection. See Section 1.15 item 35. to obtain the data declared mixing with cold water may be necessary. Alpha Intec 50CS...
  • Page 27: Short Parts List

    Sealed chamber cover with window ............3.019767 Venturi ......................1.024392 Spark generator ....................1.025360 Ignition electrode assembly ................3.017477 Flame sensing electrode ................. 1.028890 Overheat thermostat (100°C) ............... 1.025797 Condensate drain pipe ................... 1.027265 Condensate trap ....................3.020486 Complete connection kit ................3.023368 Alpha Intec 50CS...
  • Page 28: Benchmark Checklist

    All installations in England and Wales must be notified to Local Authority Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer. Alpha Intec 50CS ©Heating and Hotwater Industry Council (HHIC)
  • Page 29: Service Record

    SERVICE 10 Date Date Energy Efficiency Checklist completed? Energy Efficiency Checklist completed? Engineer Name Engineer Name Company Name Company Name Telephone Number Telephone Number Gas Safe Register licence No. Gas Safe Register licence No. Comments Comments Signature Signature Alpha Intec 50CS...
  • Page 30 Alpha Intec 50CS...
  • Page 31 Alpha Intec 50CS...
  • Page 32 Note: It is recommended that the boiler is serviced annually. www.alpha-innovation.co.uk For Technical help or for Service call the Alpha Helpline or use the following e-mail: info@alpha-innovation.co.uk Alpha Helpline 0844 871 8764 Alpha Therm Limited These instructions have been carefully prepared but we reserve the right to alter the specification at any time in the interest of product improvement.

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