Alpha 41 532 05 Installation And Servicing Instructions
  1. Manuals
  2. Brands
  3. Alpha Manuals
  4. Boiler
  5. 41 532 05
  6. Installation and servicing instructions

Alpha 41 532 05 Installation And Servicing Instructions

Wall mounted, fan assisted, room sealed, gas fired, high efficiency condensing regular boiler range
Hide thumbs
Table of Contents

Advertisement

Quick Links

Installation and Servicing
Alpha CD 13R,18R and 24R
Wall Mounted, Fan Assisted, Room Sealed, Gas Fired,
High Efficiency Condensing Regular Boiler Range
These instructions have been carefully prepared but we reserve the right
to alter the specification at any time in the interest of product improvement.
© Alpha Therm Limited 2015.
Instructions
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0844 871 8764
website: www.alpha-innovation.co.uk
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
Alpha CD 13R (NG)
Alpha CD 18R (NG)
Alpha CD 24R (NG)
Alpha CD 13R (LPG)
Alpha CD 18R (LPG)
Alpha CD 24R (LPG)
Set for use with Natural Gas
Leave these instructions with the User
G.C. No. 41 532 05
G.C. No. 41 532 03
G.C. No. 41 532 04
G.C. No. 41 532 11
G.C. No. 41 532 09
G.C. No. 41 532 10
Part No. 1.038436 ST.001941/000
British Gas
Service Listed
0615/D352

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 41 532 05 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Alpha 41 532 05

Summary of Contents for Alpha 41 532 05

  • Page 1 Alpha CD 13R,18R and 24R Wall Mounted, Fan Assisted, Room Sealed, Gas Fired, High Efficiency Condensing Regular Boiler Range For Technical help or for Service call ... ALPHA HELPLINE Tel: 0844 871 8764 website: www.alpha-innovation.co.uk Nepicar House, London Road, Wrotham Heath, Sevenoaks,...
  • Page 2 Benchmark Service Interval Record and left with the householder. www.centralheating.co.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 CD13R, 18R, 24R - Benchmark Scheme...

  • Page 3: Table Of Contents

    Service record ........47 1 INTRODUCTION The Alpha CD Regular range of high efficiency condensing boilers are wall mounted, fan assisted room-sealed boilers. The burner is lit electronically and the heat output is controlled by a modulating fan and gas valve.

  • Page 4: Technical Data

    SAP/SEDBUK seasonality efficiency 2009 % 88.5 88.4 88.6 Max. primary system pressure Min. primary system pressure Recommended system pressure - Cold Electrical power consumption - Max. Watts Electrical power consumption - Standby Watts Alpha CD13R, 18R, 24R - Technical Data...
  • Page 5 Recommended hole size for flue pipe Boiler dry lift weight Boiler operating weight (full of water) approx. Max. total flue length Horizontal Max. total flue length Vertical Flue system diameter 60/100 60/100 60/100 Alpha CD13R, 18R, 24R - Technical Data...
  • Page 6 Note: This Appliance Must Be Earthed An optional integral two channel Clock kit (Part No. 6.1000220) is available if required. Note: Only use the Alpha two channel clock. Do not fit any single channel clocks. Fuse - Always fit fast blow 2 A...
  • Page 7 Primary return temperature sensor Ignition electrodes Venturi Flame sensing electrode Main burner Venturi negative point Primary/condensing heat exchanger Venturi positive point Room sealed chamber Gas service cock Condensate trap Pressure differential test points Fig. 2.3 Alpha CD13R, 18R, 24R - Technical Data...

  • Page 8: General Boiler Information

    2. Under no circumstances must the flue length (including allowances for extra bends) exceed 12 metres horizontally and only 15 metres vertically. 3. Failure to use Alpha CD flue components with the boiler will invalidate the boilers CE approval, guarantee and may be unsafe.
  • Page 9 L = B + E + F + 200 mm + (90° bend = 1.3 metre) L = B + C + 200 mm + (2 x 45° bends = 1.8 metre) VERTICAL FLUE OPTIONS Not less than 300 mm Not less than 300 mm Fig. 2.4 Alpha CD13R, 18R, 24R - General Boiler Information...
  • Page 10 However, If the terminal is fitted less than 2 m above a surface where there is no public access, the terminal must be protected by a terminal guard. A suitable guard is available from Alpha Therm Ltd. Alpha CD13R, 18R, 24R - General Boiler Information...
  • Page 11 The boiler may be installed in a cupboard or compartment, provided it is correctly designed for that purpose, i.e. complies with the Building Regulations and the requirements of BS 6798. Alpha CD13R, 18R, 24R - General Boiler Information...
  • Page 12 CENTRAL HEATING SYSTEM - Fig. 2.7 and 2.8 The boiler is designed for use in an open or (if the alpha sealed system kit is used) sealed central heating system in accordance with the requirements of BS 5449 and BS 6798.
  • Page 13 Fig. 2.10 3.10 FLUSHING THE HEATING SYSTEM It is essential that the central heating system is thoroughly cleaned and flushed when fitting an Alpha CD boiler. Failure to do so will invalidate the warranty. The primary and condensing heat exchanger is constructed in stainless steel and therefore is compatible with most materials used in a heating system.
  • Page 14 3.11 DISPOSAL OF CONDENSATE Provision must be made for the safe disposal of condensate produced by the flue gases of the Alpha CD boilers and reference should be made to BS 6798: 2000 for the requirements on the disposal of condensate.

  • Page 15: Installation

    130 mm dia. flue hole using a 127 mm core drill. Fig. 4.2 Drill the fixing holes (10 mm dia.) to accept the No. 10 plugs supplied. Using the screws supplied, fit the mounting bracket. Alpha CD13R, 18R, 24R - Installation...
  • Page 16 Ensure that the gas isolation valve is closed (spindle flats at right angles to valve) and do not turn on the gas supply at this stage. A - Gas valve B - Gas isolating valve C - Condensate trap Fig. 4.4 Alpha CD13R, 18R, 24R - Installation...
  • Page 17 FIT THE FLUE - Figs. 4.5 and 4.6 The following procedure applies to fitting an Alpha CD Easy-Flue to both rear or side exit flue - horizontally only. The CD Easy-Flues are suitable for use in the flue length ranges shown in the tables below.
  • Page 18 Side Flue (B + C) Comments CD 13R/18R Up to:- 11.93 m max 11.89 m max Alpha CD 750 mm or 1000 mm flue extension CD 24R Up to:- 11.96 m max 11.89 m max (Part No. 6.2000750 or 6.2001050) is required to extend the range of telescopic flue.
  • Page 19 (use a 127 mm core drill). The size of the hole provides sufficient clearance for the clamps on the flue extension to pass through the hole. Determine the overall flue length as described in Section 4.6, paragraph 2 to determine the number of Alpha CD 750/1000 mm flue extensions required.
  • Page 20 Plume Management 45° bend 60 mm dia. (each 45° bend equivalent to 0.9 m flue length) Plume Management 1000 mm extension 60 mm dia. (equivalent to 1 m flue length) 60 mm dia. wall bracket Fig. 4.11 Alpha CD13R, 18R, 24R - Installation...
  • Page 21 Note: The equivalent horizontal flue assembly length + the equivalent plume management length (PM length) must not exceed the maximum flue length stated for each boiler, i.e. Alpha Intec boiler maximum equivalent flue length must not exceed 12 metres. Alpha CD13R, 18R, 24R - Installation...
  • Page 22 FIT THE CLOCK KIT - Fig. 4.14 Ensure the electrical supply to the boiler is isolated. Note: Only use an Alpha two channel clock. Do not fit a single channel clock. Remove the two screws securing the clock cover at the rear of the control panel.

  • Page 23: Commissioning

    P1 and P2 as shown in Fig 5.2. Allow the boiler to run for 10 minutes and check the differential burner pressures. Set the selector switch to 'ON'. The burner will light at the ignition rate and will increase to the factory pre-set maximum output after approximately 4 minutes. Alpha CD13R, 18R, 24R - Commissioning...
  • Page 24 If the inlet gas pressure is not 20 mbar, either the pipework is too small or the gas supply to the house is insufficient, in which case contact your gas supplier. If the differential burner pressures are still incorrect contact Alpha.

  • Page 25: Boiler Operation

    A, B and C flashing on and off at the same time - Temperature sensor wiring or flow and return connections incorrect. Note: Do not hold the selector switch in the reset position (3) for more than 2 to 3 seconds. Alpha CD13R, 18R, 24R - Boiler Operation...

  • Page 26: Routine Servicing

    Ensure that all system connections and fittings are sound. Remake any joints and check the tightness of any fittings that may be leaking. Check that the condensate trap drain pipe is connected and all joints are sound. Record details of the service in the Service Record at the back of these instructions. Alpha CD13R, 18R, 24R - Routine Servicing...
  • Page 27 Note: Before removing the cap, ensure that the water released from the trap can be contained to avoid spillage. The trap will contain no more than 200 cc of condensate water. Replace the drain cap. Alpha CD13R, 18R, 24R - Routine Servicing...
  • Page 28 To ensure correct and safe operation of the appliance, it is essential that any worn or failed components are replaced with only genuine Alpha spare parts. Use of non-genuine Alpha spares could invalidate your warranty and may pose a potential safety hazard.

  • Page 29: Component Replacement

    Gain access behind the room sealed chamber panel as described in Section 8.1. Undo the gas inlet pipe union to the combustion chamber front to gain access. Unscrew the damaged injector and screw in a replacement. Re-assemble in reverse order. Alpha CD13R, 18R, 24R - Component Replacement...
  • Page 30 Fit the new assembly and re-assemble in reverse order. Carry out a soundness test. Light the boiler and set the gas valve to the settings stated on the instruction sheet provided with the new valve. Alpha CD13R, 18R, 24R - Component Replacement...
  • Page 31 PCB. 8.15 CLOCK (if fitted) - Refer to Fig. 4.14 Note: For replacement only use an Alpha two channel clock. Do not fit a single channel clock. Gain access behind the control panel as described in Section 8.1.
  • Page 32 Disconnect the inlet and drain connection of the condensate trap. Remove the fixing screw and lift the trap from its location. Fill the new trap with water and fit it to the boiler and re-assemble in reverse order. Alpha CD13R, 18R, 24R - Component Replacement...

  • Page 33: Wiring Diagrams

    REMOVE LINK FROM TERMINALS 1 & 2 - Green AND CONNECT 230/240 V SWITCHED LIVE TO G/Y - Green/Yellow TERMINAL1. - White Gy - Grey A FROST THERMOSTAT IS INCORPORATED Pk - Pink WITHIN THE MAIN PCB - Purple Alpha CD13R, 18R, 24R - Wiring Diagrams...
  • Page 34 Primary Flow Temperature Sensor Primary Return Temperature Sensor Transformer Note: Main Terminal Block TO CONNECT EXTERNAL CONTROL REMOVE LINK FROM TERMINALS 1 AND 2 AND CONNECT 230/240 V SWITCHED LIVE TO TERMINAL 1. Alpha CD13R, 18R, 24R - Wiring Diagrams...

  • Page 35: Fault Finding

    Check gas valve adjustment Go to section ' ', page 36 set temperature is reached Pump continues to run until temperature Burner goes out Fan stops after 50 seconds reduces to set temperature Operation sequence successful Alpha CD13R, 18R, 24R - Fault Finding...
  • Page 36 Check pressure tubes are connected Ensure gas is on and purged Gas at burner PCB - X7 connector, Adjust gas valve Replace gas valve is 240 V across terminals 26, 27 Replace PCB Alpha CD13R, 18R, 24R - Fault Finding...
  • Page 37 10.3 FAULT FINDING SOLUTIONS F to I Alpha CD13R, 18R, 24R - Fault Finding...

  • Page 38: Short Parts List

    Fig. 7.2 E94-418 Ignition electrode 1.016779 Fig. 27.3 and Fig. 7.2 Flame sensing electrode and lead E96-572 1.019293 Fig. 7.2 Combustion chamber insulation panel front 1.014732 E94-420 Fig. 4.4 Condensate trap 3.016875 Alpha CD13R, 18R, 24R - Short Parts List...

  • Page 39: 12 Energy Classification

    Contact details Alpha Therm Ltd., Nepicar House, Wrotham Heath, Kent. TN15 7RS (*) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet. (**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature.
  • Page 40 Contact details Alpha Therm Ltd., Nepicar House, Wrotham Heath, Kent. TN15 7RS (*) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet. (**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature.
  • Page 41 Yearly electricity consumption for the domestic hot water function (AEC) Yearly fuel consumption for the domestic hot water function (AFC) Seasonal room heating yield (ηs) 91 % Domestic hot water production yield (ηwh) Alpha CD13R, 18R, 24R - Energy Classification...
  • Page 42 Alpha CD13R, 18R, 24R - Energy Classification...
  • Page 43 * To be established by means of table 5 of Regulation 811/2013 in case of “assembly” including a heat pump to integrate the boiler. In this case the boiler must be considered as the main appliance of the assembly. Alpha CD13R, 18R, 24R - Energy Classification...
  • Page 44 12.7 PARAMETERS FOR FILLING IN DHW PACKAGE ASSEMBLY CHART Parameter CD 13R CD 18R CD 24R ‘I’ ‘II’ ‘III’ * To be determined according to Regulation 811/2014 and transient calculation methods as per Notice of the European Community no. 207/2014. Alpha CD13R, 18R, 24R - Energy Classification...
  • Page 45 Alpha CD13R, 18R, 24R - Energy Classification...

  • Page 46: Benchmark Checklist

    GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty.

  • Page 47: Service Record

    SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. Always use the manufacturer’s specifed spare part when replacing controls.

This manual is also suitable for:

Alpha cd 18rAlpha cd 24rAlpha cd 13r41 532 0341 532 0441 532 11 ... Show all

Table of Contents