Baxi EcoBlue Heat 12 Installation And Service Manual
Gas fired wall mounted condensing boiler
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United Kingdom
en
Installation and Service Manual
Gas Fired Wall Mounted Condensing Boiler
EcoBlue Heat
12 - 15 - 18 - 21 - 24
These instructions include the Benchmark Commissioning Checklist and should be left with the
user for safe keeping. They must be read in conjunction with the Flue Installation Guide.
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Table of Contents
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Summary of Contents for Baxi EcoBlue Heat 12
- Page 1 United Kingdom Installation and Service Manual Gas Fired Wall Mounted Condensing Boiler EcoBlue Heat 12 - 15 - 18 - 21 - 24 These instructions include the Benchmark Commissioning Checklist and should be left with the user for safe keeping. They must be read in conjunction with the Flue Installation Guide.
- Page 2 © Baxi Heating UK Ltd 2015 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, or stored in any retrieval system of any nature (including in any database), in each case whether electronic, mechanical, recording or otherwise, without the prior written permission of the copyright owner, except for permitted fair dealing under Copyrights, Designs and Patents Act 1988.
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Page 3: Installer Notification Guidelines
Installer Notification Guidelines Installer Notification Guidelines Choose Building Regulations Notification Route Competent Person's Building Control Self Certification Scheme Install and Commission this Contact your relevant Local appliance to manufacturer's Authority Building Control instructions (LABC) who will arrange an inspection or contact a government approved inspector Complete the... -
Page 4: Table Of Contents
Contents Contents Introduction General Additional Documentation Symbols Used Abbreviations Extent of Liabilities 1.5.1 Manufacturer’s Liability 1.5.2 Installer’s Liability Homologations 1.6.1 Certifications 1.6.2 Directives 1.6.3 Standards Safety General Safety Instructions Recommendations Specific Safety Instructions 2.3.1 Handling Technical Specifications Technical Data Technical Parameters Dimensions and Connections Electrical Diagram Description of the Product... - Page 5 Contents 5.3.9 Flue/Chimney Trim 5.3.10 Terminal Guard 5.3.11 Flue/Chimney Deflector 5.3.12 Flue/Chimney Accessories Unpacking & Initial Preparation 5.4.1 Unpacking 5.4.2 Initial Preparation 5.4.3 Making the Water Connection 5.4.4 Filling the Condensate Trap 5.4.5 Connecting the Condensate Drain 5.4.6 Connecting the Gas Supply Installation Air Supply / Flue Gas Connections 6.1.1...
- Page 6 Contents Maintenance 10.1 General 10.2 Standard Inspection & Maintenance Operation 10.3 Specific Maintenance Operation 10.3.1 Spark Ignition Electrode 10.3.2 Automatic Air Vent 10.3.3 Condensate Trap 10.3.4 Removal of Ducts 10.3.5 Pressure Switch (21 & 24 only) 10.3.6 “Socket & See” Electrical Test Point 10.3.7 Flow Temperature Sensor 10.3.8...
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Page 7: Introduction
Introduction Introduction General WARNING Installation, repair and maintenance must only be carried out only by a competent person. This document is intended for use by competent persons, All Gas Safe registered engineers carry an ID card with their licence number and a photograph. You can check your engineer is registered by telephoning 0800 408 5500 or online at www.gassaferegister.co.uk This appliance must be installed in accordance with the... -
Page 8: Additional Documentation
Introduction Additional Documentation These Installation & Service Instructions must be read in conjunction with the Flue Accessories & Fitting Guide supplied in the Literature Pack. Various timers, external controls, flue accessories, etc. are available as optional extras. Full details are contained in the relevant sales literature. -
Page 9: Extent Of Liabilities
Introduction Extent of Liabilities 1.5.1 Manufacturer's Liability Our products are manufactured in compliance with the requirements of the various european applicable Directives. They are therefore delivered with marking and all relevant documentation. In the interest of customers, we are continuously endeavouring to make improvements in product quality. -
Page 10: Installer's Liability
1.6.1 Certifications EC - Declaration of Conformity Baxi Heating Uk Limited being the manufacturer / distributor within the European Economic Area of the following Baxi EcoBlue Heat ErP declare that the above is in conformity with the provisions of the... -
Page 11: Standards
Introduction 1.6.3 Standards Codes of Practice - refer to the most recent version In GB the following Codes of Practice apply: Standard Scope BS 6891 Gas Installation. BS 5546 Installation of hot water supplies for domestic purposes. BS EN 12828 Heating systems in buildings. -
Page 12: Safety
Safety Safety General Safety Instructions DANGER If you smell gas: Turn off the gas supply at the meter Open windows and doors in the hazardous area Do not operate light switches Do not operate any electrical equipment Do not use a telephone in the hazardous area Extinguish any naked flame and do not smoke Warn any other occupants and vacate the premises... -
Page 13: Specific Safety Instructions
Safety Specific Safety Instructions 2.3.1 Handling General • The following advice should be adhered to, from when first handling the boiler to the final stages of installation, and also during maintenance. • Most injuries as a result of inappropriate handling and lifting are to the back, but all other parts of the body are vulnerable, particularly shoulders, arms and hands. -
Page 14: Technical Specifications
Technical Specification Technical Specifications Technical Data Nox Class Appliance Type Horizontal Flue Terminal Diameter 100mm Electrical Supply 230V~ 50Hz Appliance Category CAT I Dimensions Projection 125mm (Appliance must be connected to an Heat Input Qn Hs (Gross) Connections earthed supply) Gas Supply 22mm Power Consumption... -
Page 15: Technical Parameters
Technical Specification Technical Parameters Technical parameters for boiler space heaters Baxi EcoBlue Heat ErP Condensing boiler Low-temperature boiler B1 boiler Cogeneration space heater Combination heater Prated Rated heat output Useful heat output at rated heat output 13.0 16.0 19.0 21.0 25.0... -
Page 16: Dimensions And Connections
Technical Specification Dimensions and Connections For clearances see DIMENSIONS Section 5.3.6 At Least A 625mm 1.5° B 270mm C 370mm D 116mm Ø Min. E 165mm F 155mm G 110mm H 550mm 360° Orientation NOTE: There must be no part of the air duct (white tube) visible outside the property after installation. -
Page 17: Electrical Diagram
Technical Specification Electrical Diagram Electrode Gas Valve Safety Thermostat User Interaction Controller Mains “Socket & See” Electrical Test Point Not used Return Sensor Flow Sensor Parameter Unit Pressure Switch (where fitted) Loop Connector FROM COLOUR LINK (where no pressure HIGH LIMIT BLACK PRESURE SWITCH FLOW SENSOR... -
Page 18: Description Of The Product
Description of the Product Description of the Product General Description 1. The Baxi EcoBlue Heat Range are gas fired wall mounted powered flue condensing boilers. 2. The maximum output of the boiler is :- 12 model - 13 kW 15 model -... -
Page 19: Operating Principle
Modulate output appliance. Any lock-out errors that occur regularly will require further investigation and rectification. Flow temp or Baxi Customer Support: 0344 871 1525. rate of rise too high ? Burner Off Mains Off (Demand satisfied) -
Page 20: Main Components
Description of the Product Main Components Heat Exchanger Combustion Control Unit Condensate Trap Exhaust Tube Inlet Silencer User Interaction Controller Gas Cock Air Pressure Switch (21 & 24 model only) System Drain Cock Air Vent “Socket & See” Electrical Test Point 11. -
Page 21: Control Panel Description
Description of the Product Control Panel Description 4.4.1 USER INTERACTION CONTROLLER (Control Panel) (Fig. 2) Key to symbols Heating Water Temperature Sweep Key and Status Signals Reset button and On/Off Signal 1. The User Interaction Controller has 2 illuminating push buttons which provide information about the operating condition of the boiler. -
Page 22: Standard Delivery
Description of the Product Standard Delivery 1. The pack contains: Boiler Wall Fixing Bracket Copper Tail (Gas Connection) and Fibre Washer Power Lead Literature pack • Installation & Servicing Manual (including ‘benchmark’) • User Guide • Flue Accessories & Fitting Guide •... -
Page 23: Before Installation
Before Installation Before Installation Installation Regulations WARNING Installation, repair and maintenance must only be carried out by a competent person. This document is intended for use by competent persons. Installation must be carried out in accordance with the prevailing regulations, the codes of practice and the recommendations in these instructions. -
Page 24: Hard Water Areas
6. Complete the label supplied with the inhibitor and attach to the inside of the boiler case. Detail of system treatment should be added for future reference. 7. For information or advice regarding any of the above contact Baxi Customer Support 0344 871 1525. EcoBlue Heat 7219717 - 02 (08/15) -
Page 25: System Details - General
Before Installation 5.2.7 System Details - General Water Circulating Systems 1. The appliance is suitable for use with open vent fully pumped systems and sealed systems . The following conditions should be observed on all systems: • The static head must not exceed 25m of water. •... -
Page 26: Sealed Systems Details
BS 4814 must be fitted to the system by expansion vessel volume for sealed means of a connection close to the inlet side of the circulating systems using Baxi Boilers pump in accordance with the manufacturers instructions, the connecting pipe being unrestricted and not less than 15mm... -
Page 27: Choice Of The Location
Before Installation Choice of the Location 5.3.1 Location of the Appliance Due to the high efficiency of the boiler a plume of water vapour will be discharged from the flue. This should be taken into account when siting the flue terminal. 1. -
Page 28: Condensate Drain
Before Installation 5.3.5 Condensate Drain Examples are shown of the following methods of termination:- i) to an internal soil & vent pipe FAILURE TO INSTALL THE CONDENSATE ii) via an internal discharge branch (e.g. sink waste) DISCHARGE PIPEWORK CORRECTLY WILL AFFECT downstream of the trap THE RELIABLE OPERATION OF THE BOILER. - Page 29 Before Installation 9. If the boiler is fitted in an unheated location the entire condensate discharge pipe should be treated as an external run iii) Termination to a drain Boiler and sized and insulated accordingly. or gully 10. In all cases discharge pipe must be installed to aid disposal of the condensate.
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Page 30: Clearances - Access In Service
Before Installation 5.3.6 Clearances - Access in Service 1. A flat vertical area is required for the installation of the boiler. 2. These dimensions include the necessary clearances around the boiler for case removal, spanner access and air movement (Figs. 9 & 10). Additional clearances may be required for the passage of pipes around local obstructions such as joists running parallel to the front face of the boiler. -
Page 31: Flue/Chimney Location
Before Installation 5.3.7 Flue/Chimney Location 1. The following guidelines indicate the general requirements for siting balanced flue terminals. For GB recommendations are given in BS 5440 Pt 1. For IE recommendations are given in the current edition of I.S. 813 “Domestic Gas Installations”. Under car ports we recommend the use of the plume displacement kit. - Page 32 Before Installation Due to the nature of the boiler a plume of water vapour will be discharged from the flue. This should be taken into account when siting the flue terminal. 2. If the terminal discharges onto a pathway or passageway, check that combustion products will not cause a nuisance and that the terminal will not obstruct the passageway.
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Page 33: Horizontal Flue/Chimney Systems
Before Installation 5.3.8 Horizontal Flue/Chimney Systems 1. The standard telescopic flue is suitable only for horizontal termination applications. It allows for lengths between 315mm and 500mm from elbow to terminal without the need for cutting (ii) (Fig. 14). Extensions of 250mm, 500mm & 1m are available. 2. -
Page 34: Flue/Chimney Trim
Before Installation Ensure that no part of the 5.3.9 Flue/Chimney Trim white outer chimney duct is visible 1. The flexible flue trims supplied can be fitted on the outer and inner faces of the wall of installation (Fig. 14). Terminal 5.3.10 Terminal Guard Guard... -
Page 35: Unpacking & Initial Preparation
Before Installation Unpacking & Initial Preparation 5.4.1 Unpacking 1. Follow the procedure on the carton to unpack the boiler. See Section 2.3.1 Handling before lifting the boiler. 5.4.2 Initial Preparation 1. After considering the site requirements, position the fixing template on the wall ensuring it is level both horizontally and vertically (Fig. -
Page 36: Making The Water Connection
Before Installation 5.4.3 Making the Water Connections (Fig. 22) 1. There are two water connections at the top of the boiler. The left connection is the return pipe (indicated with blue label) and the flow the right hand one (indicated with red label). Remove the sealing caps from the boiler connections. -
Page 37: Installation
Installation Installation Air Supply / Flue Gas Connections 6.1.1 Connecting the Top Flue HORIZONTAL TELESCOPIC FLUE 1. There are two telescopic sections, the Terminal Assembly and the Connection Assembly, a roll of sealing tape and two self tapping screws. A 93° elbow is also supplied. Terminal Assembly 2. - Page 38 Installation 10. Lift the boiler and locate the slots in the wall bracket over the horizontal tongues on the wall bracket. As the boiler is Spring Latch pushed back the wall bracket spring latch will positively engage over the wall mounted bracket (Figs. AA, BB & CC). 11.
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Page 39: Electrical Connections
Installation Electrical Connections 6.2.1 Electrical Connections of the Appliance 1. See Section 5.2.2. for details of the electrical supply. 1.3 metres of 3 core cable are supplied connected to the boiler. 2. Switched live must be connected to the brown (live) wire of the 3 core cable. -
Page 40: Filling The System
Installation Filling the System See Section 5.2.6. for details of treating the system, Section 5.2.7. for open vent system details, Section 5.2.9. for sealed system details and Section 5.4.4. for filling the condensate trap. Completing the Installation 6.4.1 Completion 1. Before turning on the electrical and gas supply to commission the boiler, check that all the installation requirements for the chosen heating system and flue options have been satisfied. -
Page 41: Commissioning
Commissioning Commissioning General 1. Reference should be made to BS:EN 12828 & 14336 when commissioning the boiler. 2. At the time of commissioning, complete all relevant sections of the Benchmark Checklist at the rear of this publications. 3. Turn the gas supply on and purge according to in GB BS 6891 and in IE I.S. -
Page 42: Gas Settings
Commissioning Gas Settings 7.4.1 ‘Chimney Sweep’ Mode (CSM) Flue Sampling Point 1. The current operating condition of the boiler is shown by the Plug button on the User Interaction Controller. The button can flash in a range of colours and at different frequencies. -
Page 43: Chimney Sweep' Mode - Combustion Check
Commissioning 7.4.2 ‘Chimney Sweep’ Mode - Combustion Check Set Boiler to Maximum Rate 1. Follow the flow chart opposite. Allow the combustion to stabilise. Do not insert probe to avoid ‘flooding’ the analyser. Perform Flue Integrity Combustion Check Insert the analyser probe into the air inlet test point, allowing Verify Flue Integrity the reading to stabilise. -
Page 44: Configuring The System
Commissioning Configuring the System 7.5.1 Check the Operational (Working) Gas Inlet Pressure 1. Ensure that all controls are calling for heat and maximum load is applied to the system. 2. With the boiler operating in the maximum rate condition check that the operational (working) gas pressure at the inlet gas pressure test point is in accordance with B.S. -
Page 45: Final Instructions
Commissioning Final Instructions 1. Carefully read and complete all sections of the Benchmark Commissioning Checklist at the rear of this publication that are relevant to the boiler and installation. These details will be required in the event of any warranty work. 2. -
Page 46: Operation
Operation / Settings Operation General 1. It is the responsibility of the installer to instruct the user in the day to day operation of the boiler and controls and to hand over the completed Benchmark Checklist at the back of this manual. 2. -
Page 47: Maintenance
Maintenance Maintenance 10.1 General 1. For reasons of safety and economy, it is recommended that WARNING the boiler is serviced annually. Servicing must be performed by a competent person in accordance with B.S. 7967-4. When changing components ensure that both the gas and electrical supplies to the boiler are isolated 2. -
Page 48: Standard Inspection & Maintenance Operation
Maintenance 10.2 Standard Inspection and Maintenance Operation WARNING Ensure that the boiler is cool. Ensure that both the gas and electrical supplies to the boiler are isolated. Use the “Socket & See” electrical test point to confirm safe isolation. Fig. 36 CAUTION Always examine any seals or gaskets, replacing where necessary. - Page 49 Maintenance 10.2 Standard Inspection and Maintenance Operation (cont.) Over Centre Catches An ESD wrist strap should be used when working on these components. A T25 screwdriver will be required. 5. Remove the air duct by pulling the bottom of the duct forward to disengage it from the gas valve and then sliding the top of the duct left away from the fan (see 10.3.4).
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Page 50: 10.3 Specific Maintenance Operation
Maintence 10.3 Specific Maintenance Operation WARNING When changing components ensure that both the “Socket & See” gas and electrical supplies to the boiler are isolated Spark Ignition Earth Gasket Electrical Test Point before any work is started. Electrode Wire Use the “Socket & See” electrical test point to confirm safe isolation. -
Page 51: Removal Of Ducts
Maintenance Removal of the fan air duct and flue outlet duct is necessary to enable the changing of the pressure switch, flow temperature sensor, return temperature sensor, overheat sensor and gas valve. Fan Air 10.3.4 Removal of Ducts (Fig. 42) Duct 1. -
Page 52: Flow Temperature Sensor
Maintenance 10.3.7 Flow Temperature Sensor (Fig. 44) Flow Temperature Sensor The sensor is fitted in a ‘dry’ pocket. Fig. 44 1. Disconnect the wiring from the flow temperature sensor. 2. Unscrew the sensor from the top of the heat exchanger. 3. -
Page 53: Gas Valve
Maintenance 10.3.11 Gas Valve (Figs. 47, 48 & 49) After replacing the valve the CO 2 must be checked and adjusted as detailed in Section 10.3.13 Setting the Gas Valve. Only change the valve if a suitable calibrated combustion analyser is available, operated by a competent person - see section 10.1.3. -
Page 54: Control & Fan Assembly
Maintenance 10.3.12 Control & Fan Assembly (Figs. 50, 51 & 52) Burner Manifold 1. Ensure that the gas supply to the boiler is isolated. Remove the ducts as described in Section 10.3.4 An ESD wrist strap should be used when replacing these components. -
Page 55: Fan
Maintenance 10.3.14 Fan (Figs. 53a to53h) A Phillips PH-1 & T25 Torx screwdriver are required. T20 Torx key & ESD wrist strap are supplied. Remove the ducts as described in Section 10.3.4 1. Disconnect the cable from the bottom of the PCB and break the mains power cable connection at the right hand side of the Fig. -
Page 56: Pcb
Introduction 10.3.15 PCB (Figs. 53i & 53j) Before changing the PCB it is essential that a resistance check is performed on the gas valve to eliminate the possibility that the valveis faulty and causing PCB failure. Disconnect the electrical plug from the gas and check resistance between:- Pins 3 &... -
Page 57: Setting The Gas Valve (Co Check)
Maintenance 10.3.16 Setting the Gas Valve (CO Check) Throttle Adjustment Screw The CO 2 must be only be checked and adjusted to set the valve if a suitable calibrated combustion analyser is available, operated by a competent person - see Section 10.1.3. -
Page 58: Troubleshooting
Troubleshooting Troubleshooting 11.1 Error Codes Operation status and error codes are displayed on the “chimney sweep” button (3) on the control panel. In normal operation this button is illuminated and goes off for a time once periodically. When normal operation is interrupted for some reason this button will turn off and flash on a number of times periodically. -
Page 59: 11.2 Lockout Condition
Troubleshooting 11.2 Lockout Condition Lock-out conditions (Red flashes on “chimney sweep”) The following table describes the conditions that may result in a lock-out condition and red flashing signal being displayed. To reset a lock-out condition press and hold the reset button until the fault indication flashes rapidly and goes out. -
Page 60: 12.1 Decommissioning Procedure
Decommissioning Decommissioning 12.1 Decommissioning Procedure 1. Isolate the gas & electric supplies and disconnect them. 2. Drain the primary circuit and disconnect the filling device. 3 . Dismantle the chimney system and remove the boiler from the wall mounting frame. EcoBlue Heat 7219717 - 02 (08/15) -
Page 61: Spare Parts
Spare Parts Spare Parts 13.1 General 1. If, following the annual inspection or maintenance any part of the boiler is found to need replacing, use Baxi Genuine Parts only. 13.2 Spare Parts List Description Manufacturer’s Part No. Parameter Unit 7216298... -
Page 62: Benchmark Commissioning 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 63: 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. SERVICE 01 SERVICE 02 Date:... - Page 64 For the warranty to be maintained, please make sure... Benchmark checklist is completed Warranty is registered with Baxi The boiler has an annual service For full terms and conditions, visit www.baxi.co.uk/terms. Failure to adhere to terms and conditions will void your manufacturer’s warranty. Baxi Brooks House,...