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Alpha InTec 12S (NG) Installation And Servicing Instructions

  • InTec 12S (NG) Boiler
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  • Installation And Servicing Instructions
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Alpha InTec 12S (NG) Manual Online:

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Alpha InTec 12S (NG) User Manual
Alpha InTec 12S (NG) User Guide
Alpha InTec 12S (NG) Online Manual

Text of Alpha InTec 12S (NG) User Guide:

  • Alpha InTec 12S (NG), 23 Alpha InTec S - Installation InTec Boiler DHW storage cylinder Alpha diverter valve Automatic by-pass valve Cylinder sensor Heating circuit A B AB 4.12 OPTIONAL ALPHA SYSTEM DIVERTER KIT The Alpha Diverter valve kit operates as a hot water priority valve meaning if the heating is on and there is a hot water demand the valve will divert the primary hot water to the cylinder until the cylinder sensor is satisfied The heating will be held off during this period so it is recommended that a high recovery cylinder is used. The kit comprises of a diverter valve and cylinder sensor. Installing the kit is si

  • Alpha InTec 12S (NG), 35 Alpha InTec S - Component Replacement 7.21 AUTOMATIC AIR VENT - Fig. 34 1. Gain access behind the front casing and drain the boiler heating circuit as described in Sections 7.1 and 7.2. 2. Turn the automatic air vent anticlockwise and lift it out 3. Insert the new air vent using a new washer and turn it clockwise to lock it in position. 4. Refill and pressu ise the system. (Refer to Commissioning, Section 5.1). 7.22 PUMP - Refer to Fig. 34 Gain access behind the front casing and drain the boiler heating circuit as described in Sections 7.1 and 7.2. Pump head 1. Using a 4 mm Allen key remove the four socket head screw

  • 22 4.10 CONNECT THE MAINS SUPPLY - Fig. 23 1. Gain access to the boiler terminal block by releasing the two fixing screws (one each side) securing the control panel and lowering the panel. Refer to Technical Data, Section 2.6 for connection details. 2. Note: This boiler has been fitted with a mains supply cable. However, if it is necessary to fit an alter

  • Alpha InTec 12S (NG), 40 Alpha InTec S - Fault Finding Error code Fault Fault description Possible causes Check flame sensing electrode and lea PCB fault Check for jammed control panel buttons Check for jammed PCB buttons Air in heat exchanger Blocked or restricted primary fl w Heat exchanger air fl w blocked Flue restriction Flue sensor fault Pump fault Boiler or heating circuit valve closed Blocked or restricted primary fl w Air in heat exchanger Boiler or heating circuit valve closed Pump fault Primary fl w sensor fault Check sensor wiring connection Flue sensor faulty Remote control or receiver connection wiring Remote control or receiver Check mains power supply Check flame sen

  • Alpha InTec 12S (NG), 2 Alpha InTec S - Benchmark Scheme BENCHMARK SCHEME To comply with Building Regulations Part L1 (Part 6 in Scotland) the boiler should be installed in accordance with the manufacturer’s instructions. Self-certification that the boiler has been installed to comply with Building Regulations can be demonstrated by completing and signing the Benchmark Checklist at the back of these instructions Code of Practice For the installation, commissioning and servicing of domestic heating and hot water products

  • Alpha InTec 12S (NG), 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. This does not affect the customer’s statutory rights. GAS BOILER SYSTEM COMMISSIONING CHECKLIST Customer name: Telephone number: Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe r

  • Alpha InTec 12S (NG), 10 3.5 FLUE TERMINAL LOCATION - Figs. 4 and 5 Alpha InTec S - General Boiler Information A Directly below an opening, air brick, windows, etc. B Below gutters, soil pipes or drain pipes C Below eaves D Below balconies E From a vertical drain pipe or soil pipe F From an internal or external corner G Above ground, roof or balcony level H From a surface or boundary facing the terminal I From a terminal facing the terminal J Above an opening, air brick, window etc. K Vertically from a terminal on the same wall L Horizont

  • Alpha InTec 12S (NG), 33 7.10 GAS VALVE - Fig. 31 Note: The replacement of the gas valve or PCB must be carried out by a Gas Safe registered engineer with the use of a flue analyser. 1. Gain access behind the front casing as in Section 7.1. 2. Disconnect the positive pressure tube from the gas valve. 3. Disconnect the electrical plug. 4. Disconnect the burner manifold pipe union and the gas inlet pipe union. 5. Remove the two screws from beneath the boiler and lift out the valve assembly. 6. Lift out the gas valve. 7. Fit the new assembly and re-assemble in reverse order and test for gas tightness. 8. Light the boiler. (Refer to Commissioning, Section 5.4) and adjust the gas valve

  • Manual compiled and designed by Publications 2000 - Tel: 01670 356211 09/13 D332 These instructions have been carefully prepared but we reserve the right to alter the specification at a y time in the interest of product improvement. © Alpha Therm Limited 2013. Alpha Therm Limited. Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent TN15 7RS Tel: 0844 871 8764 email: info@a

  • Alpha InTec 12S (NG), 30 Alpha InTec S - Routine Servicing 6.4 RE-ASSEMBLE THE BOILER 1. Replace the burner, ensuring it is located correctly and secure it in position using the four screws previously removed. Important: Before replacing the combustion chamber front assembly, pour at least 200 cc of water into the coils of the heat exchanger. This is to ensure the condensate trap is full of water before operating the boiler. 2. Replace the combustion chamber front assembly, ensuring it is correctly located. 3. Ensure the electrode lead is connected and the seal is in position in t

  • Alpha InTec 12S (NG), 17 23 20 Heating drain point Cyclone drain point Wall jig Condensate trap Heating return valves Heating flow valve B D C A 65 457058202 Condensate discharge pipe 4.6 FIT THE FLUE - Figs. 14, 15 The following procedure applies to fitting an Alpha CD Easy-Flue to both rear or side xit flue - ho izontally only. 1. The CD Easy-Flues are suitable for use in the flue length anges shown in the tables below. Note: Where the length is less than the minimum or more than the maximum, refer to Section 4.7. 2. Determine the overall length (L) of flue required, (see Fig 16) as follows:- Rear flu L = wall thickness (B) + 60 mm (105 mm if the wa

  • Alpha InTec 12S (NG), 28 Alpha InTec S - Routine Servicing 6 ROUTINE SERVICING To ensure efficient ope ation of the boiler it is recommended that it is checked and serviced as necessary at regular intervals. The frequency of servicing will depend upon the particular installation conditions and usage, but in general once per year should be adequate. It is the law that any service work must be carried out by a competent person, i.e. Gas Safe registered personnel. Warning: Before servicing the boiler, isolate the electrical supply and close the boiler gas serv

  • Alpha InTec 12S (NG), 34 Alpha InTec S - Component Replacement 7.15 CONDENSATE TRAP - Fig. 13 1. Gain access behind the front casing as described in Section 7.1. 2. Disconnect the top and drain connection of the condensate trap. 3. Place a container under the boiler and unscrew the bowl at the bottom of the trap, see Fig. 13. Some water will spill from the trap. 4. Remove the screw securing the trap to the bottom of the boiler casing and lift out the trap. 5. Fit the new trap in reverse order. Note: Fill the new trap with water once installed. 7.16 CYCLONE (if wall jig is fitted) - Fig 13b 1. Remove the bottom tray and close the isolatin

  • Alpha InTec 12S (NG), 27 5.9 USER INFORMATION The User must be advised (and demonstrated if necessary) of the following important points:- 1. How to light and turn off the boiler and how to operate the system controls. 2. The importance of annual servicing of the boiler to ensure safe and efficient ope ation. 3. That any servicing or replacement of parts must only be carried out by a Gas Safe registered engineer. 4. Ensure that the boiler controls and room thermostat (if fitted) are set to the User's requirement . 5. Tell the User about the sealed system pressure. 6. Tell the User that if

  • 29 Fig. 29 6.2 PREPARE FOR SERVICING - Fig. 29 1. Ensure the electrical supply is isolated and the gas supply is off. 2. Release the two screws securing the control panel and lower the panel. 3. Remove the four screws securing the front case. Lift the case up and forwards to remove. 4. Disconnect the gas supply pipe union from the manifold. 5. Remove the two screws secu

  • Alpha InTec 12S (NG), 7 2.7 BOILER SCHEMATIC Fig. 2 1 - Heat exchanger thermal fuse 2 - Gas valve 3 - Primary temperature sensor 4 - Main burner 5 - Primary/condensing heat exchanger 6 - Manual air vent 7 - Fan 8 - Pressure differential test points 9 - Flue hood 10 - Overheat thermostat 11 - Expansion vessel 12 - Automatic air vent 13 - Pump 14 - Drain point 15 - Pressure relief valve 16 - Primary pressure switch 17 - Ignition electrodes 18 - Flame sensing electrode 19 - Flue sampling point 20 - Gas service cock 21 - On/off valve (2 off) 22

  • 25 5.4 INITIAL LIGHTING - Refer to Fig. 26 1. Before turning on the gas and electrical supplies check the heating system is filled to the correct pressur . Refer to Section 5.1 Fill the System. The pressure gauge on the right of the control panel indicates the heating system pressure. When the boiler is cold the needle should be within the green band. 2. With the gas and

  • Alpha InTec 12S (NG), 18 4.7 REDUCING THE FLUE - Fig. 19 When the flue length required is less than the mini um stated in Section 4.6, paragraph 1, refer to Fig. 19. Discard the first telescopic section not the section with the terminal) of the Easy-Flue 1000 mm or 500 mm and cut to the required length. Note: Ensure that all cuts are square and free from burrs. Once assembled with the components pushed home, the flue is fully sealed Alpha InTec S - Installation 5. Position the seal and clamp (two screws) supplied,

  • Alpha InTec 12S (NG), 6 Alpha InTec S - Technical Data 2.5 AVAILABLE PUMP HEAD FOR CENTRAL HEATING Flow (litres/hr) Head (metres) 200 600 1000 1400800 1200 1600 4000 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Fig. 1 2.6 ELECTRICAL CONNECTIONS 230 V ~ 50 Hz CONNECTIONS LOW VOLTAGE CONNECTIONS ONLY (optional Climatic or RF Climatic control) Remove the resistor between terminal block connections 8 and 9 to connect optional storage tank NTC sensor. External probe (optional) Alpha Climatic control (optional) Storage tank NTC sensor (optional) RF Climatic contr

  • Alpha InTec 12S (NG), 16 4. Cut the 110 mm diameter hole (or use a 107 mm core drill) in the wall for the flu . Notes: 1. Ensure the hole is horizontal. 2. For internal fitting of the flu , using the flue sealing collar supplied, cut a 130 mm dia. flue hole using a 127 mm core drill. 5. Drill the fixing holes (10 mm dia.) to accept the No.10 plugs supplied. Using the screws supplied, fit the mounting bracket or wall jig if used. If applicable drill a 22 mm dia. hole for the pressure relief valve discharge pipe terminal supplied with the jig. IMPORTANT: If the wall jig is used, follow the instructions supplied with the Premier Pack to fit the jig mount the boiler and connect the pipe

  • Alpha InTec 12S (NG), 13 Alpha InTec S - General Boiler Information 3.9 FLUSHING THE HEATING SYSTEM It is essential that the central heating system is thoroughly cleaned and flushed when fitting an Alpha I ec boiler. Failure to do so will invalidate the warranty. The primary condensing heat exchanger is constructed in stainless steel and therefore is compatible with most materials used in a heating system. If a cleaning agent and inhibitor are used, they must be applied in accordance with their manufacturers instructions. Only products from Fernox and Sentinel are acceptable for use with the Alpha InTec boiler

  • Alpha InTec 12S (NG), 20 Alpha InTec S - Installation 10. Secure the flue assem ly to the bend with the clamp ensuring it is positioned centrally over the joint, ensuring the 'TOP' marked on the outer duct is positioned at the top. Note: Check the flue te minal protrudes 120 mm out of the wall and that the inner duct of the terminal is positioned correctly, i.e. the inner duct within the terminal is at the top. See Fig. 20. 11. Make good the outside wall by fitting the outside sealing collar ( lack) onto the location provided immediately behind the flue te minal grille. Make good the inside wall using the inside sealing collar (white) if required

  • Alpha InTec 12S (NG), 5 Alpha InTec S - Technical Data 2.3 PHYSICAL DATA Boiler fl w connections mm Boiler return connections mm Relief valve connection mm Gas connection diameter mm Boiler dimensions Height mm Width mm Depth mm Clearances for servicing Bottom mm Bottom (with jig) mm Top (horizontal flue mm Top (vertical flue mm Sides mm Front mm Recommended hole size for flue pip mm Boiler dry lift weight kg Boiler operating weight (full of water) approx. kg Max. total flue lengt Horizontal m Max. total flue length Vertical m Flue system diameter mm Factory fitted Filling loop

  • 11 3.6 BOILER LOCATION The boiler is not suitable for external installation unless it is installed within a purpose designed weatherproof building. The boiler must be installed on a flat ertical wall which is capable of supporting the weight of the boiler. The boiler can be fitted to or adjacent to a all comprising of a combustible material without the n

  • Alpha InTec 12S (NG), 3 Alpha InTec S - Contents/Introduction CONTENTS 1 Introduction ........................................2 2 Technical data ...................................4 3 General boiler information .................8 4 Installation .........................................15 5 Commissioning ..................................24 6 Routine servicing ...............................28 7 Component replacement ...................31 8 Wiring diagrams ................................37 9 Error codes and fault findin ..............39 10 Short parts list ...................................41 Benchmark Check

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