303895_solar user guide 8pp
Contents
1. to the sub Scroll right or select to edit function menu tem 5 Scroll right moves right through the main menu options Once the sub menu has been accessed the flashing symbol becomes static and the button functions are then as follows Item 2 Scroll upwards moves up through the available functions of the sub menu Item 3 Scroll left return to main menu Item 4 Scroll down moves down through the available functions of the sub menu Item 5 Scroll right select to edit the function displayed The selected function will flash if it is available for editing Use 2 to increase he required value and 4 to reduce it Use 5 to OK Baxi Heating UK Ltd 2011 5 Peale adalat lett tse etal ate ete rite y disappears Example of Screen Display The icon will flash press CD to 4 2 select the function Reset by pressing gt increase decrease values Press CD are shown and appears If the values are marked as reset possible they may be reset press CD to confirm and in the following way Press ED or CCD to scroll 4 0 User Controls up or down to the required sub function Menu Info f In this menu mode all measured values and operating states Choose the value with buttons D and CCD Reset value by means of the button CD Message OK confirm with D no or C yes Indication L Descr2. A Kremes ndication of system condition ndication of error messages ndication of operating hours and energy productivity if installed punmnnnannnnnnnnnnnnne nn nnn nn nn anne nan nn Fa Programming Changes to programmable values Display Screen parameters l Manual operation This menu is for the installation engineer only F Basic adjustment This menu is for the installation engineer only It is not intended that the householder should attempt to programme the operation of the system so various parts of the programming menu are not reproduced here For further information on programming the Solar Differential Controller refer to the 2nd Fix Manual NOTE Altering some settings could adversely affect the operation of the solar system If in doubt contact a qualified solar installation engineer Alteration of functions not covered in this user guide will invalidate the warranty Control Button Each active menu is shown in the upper line of the display by its corresponding icon Scroll upwards Control Button When in the Main Menu the control button functions are as y gt Scroll downwards or select required main menu follows em 2 Scroll upwards no function in this menu Scroll left or exit to main menu tem 3 Scroll left moves left through the main menu options tem 4 Scroll down selects the menu option currently flashing and gives access
3. FIT USER GUIDE Solar Collectors Please read these instructions before installing or commissioning This Solar Thermal Domestic Hot Water System should only be installed by a competent person J ff 4 A 1 Please leave these instructions with the User Baxi Heating UK Ltd 2011 Baxi Heating UK Ltd 2011 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 prior written permission of the copyright owner except for permitted fair dealing under Copyrights Designs and Patents Act 1988 Applications for the copyright owner s permission to reproduce or make other use of any part of this publication should be made giving any details of the proposed use to the following address The Company Secretary Baxi Heating UK Ltd Brooks House Coventry Road Warwick CV34 4LL Full acknowledgement of author and source must be given WARNING Any person who does any unauthorised act in relation to a copyright work may be liable to criminal prosecution and civil claims for damages 2 Baxi Heating UK Ltd 2011 1 0 Installation and Handover Las Information When your Solar domestic water heating system was installed the installer should have fully commissioned the system and left it in working or
4. ates these and will aid in describing the nature of the fault to the Service Engineer DO NOT attempt to rectify faults yourself contact Technical Enquires on 0844 871 1555 or a qualified Solar water heating engineer Error representation on display Possible reasons I flashing Sensor wire broke Sensor defect e Short circuit in sensor wire e Sensor defect Circulation error no flow flashing Additionally at energy productivity measurement I I e Error in pump connection e Pump defect e Air in the system e Connection with flow meter defect e Sensor wire broken Sensor defect e Go back through menu to identify fault or contact Technical Enquires 8 Baxi Heating UK Ltd 2011 Baxi Heating UK Ltd 2011 5 0 Important Notes If the system pressure falls to zero switch off the power supply to the Solar Controller and contact a qualified solar heating engineer Familiarise yourself with the controls and instructions supplied with the Solar Cylinder and follow manufacturer s instructions in the event of a cylinder fault The pipework between the solar collector s and the solar cylinder can be very hot These pipes should have been insulated by the installer This is high temperature insulation In the event of damage contact Technical Enquiries If the electrical supply for the Solar domestic hot water heatin
5. d problem free operation However Baxi recommend the following parameters marked must be left at the default press CD to confirm and settings Any change to the Baxi recommended settings will invalidate the warranty Indication A Description Value range Defaults max Storage 1 2 15 65 C 65 C F 65 C Maximum temperature dT max Storage 1 2 Hysteresis dT on 3 40 K 7K 7K dT min Storage 1 2 Hysteresis dT off 235K 3K 3K min EN Setting the speed control of the pump 30 100 100 100 12 100 speed control off min Temperature start for the function 20 90 C 40 C 40 C heating dT Hysteresis heating 1 30K 10K 10K Temperature lag between switch on and switch off Baxi Heating UK Ltd 2011 4 0 User Controls Status indication Solar circulation pump Symbol revolves when solar circulation pump is on Switch output is active Appears when switch output is active on Switch output 2 is active Appears when switch output 2 is active on Switch output 3 is active Reference to system fault Appears when switch output 3 is active on Display flashes when a fault occurs in the system 2 gt CARAT e Safety query for value changes which are to be stored Input value can be either gt rejected or accepted The controller will display certain information in the event of some system faults The following table indic
6. der Following this they should have explained the system its function and control including Heating by solar Explained how the cylinder is heated when there is sufficient solar energy Heating by auxiliary heating source Explained how the cylinder is heated if additional heat input is required due to insufficient solar energy being available little or no sun or additional quantities of hot water are required Operation of the Solar Controller Explained the icons and their meanings displayed at the controller System Malfunction Explained what to do in the event of a system fault including how to isolate the electrical supply or water supply System Maintenance Explained the necessity for the system to receive regular maintenance to ensure its continued safe and efficient operation Literature he Commissioning Record see 2nd Fix Manual should be completed and left with the user These instructions explain a number of the above points and should be retained as a reminder of how to operate the Solar Water Heating System If you are in any doubt please ask your installer for clarification or contact the Baxi Technical Enquiry Line Telephone 0844 871 1555 Serial Number The appliance serial number is situated at the rear of the right hand side of the solar pump station and the model name is on the front face of the solar temperature differential controller These should be quoted when contacting the Baxi Tec
7. der cold water controls Note May not be fitted if using a cistern fed vented cylinder eg Heatrae Sadia Megaflo Thermostatic blending valve Balanced cold water supply Accessory Energy Productivity Meter Accessory Combi Valve with balanced supply outlet Combi Valve Baxi Heating UK Ltd 2011 3 0 System Operation Operating Settings Generally the operating settings of your domestic solar hot water heating system will have been set up by your installer For the system to operate correctly and efficiently these settings should not be altered Section 4 details the user controls which your installer should familiarise you with during commissioning the system If in doubt contact a qualified solar installation engineer alteration of some settings could adversely affect the operation of the system As with any heating system there are certain aspects that will require regular checking and or maintenance Section 6 details what these should be Any maintenance or servicing should only be carried out by qualified personnel and be recorded in the Commissioning Maintenance and Servicing Guide supplied with the system Diagram of Menu Options g p 4 0 User Controls Buoni Main Menu Main Menu To make the operation of the controller clear operating and display functions are divided into 4 main menus E r vat K Info ndication of current measured values
8. g system is interrupted it will not operate However programme settings are stored by the controller and should not need resetting when power is restored The Solar Controller may have been integrated with the auxiliary heating controls to optimise the solar gain from the system and minimise the use of the auxiliary heat source Your installer should explain how the system will function in this event The Solar Controller will not control the space central heating system separate controls are necessary for this function Refer to the instructions supplied with any separate auxiliary controls for details of their correct setting 10 Baxi Heating UK Ltd 2011 6 0 Servicing and Maintenance To ensure the continued safe and efficient operation of your Solar Water Heating System it should regularly be checked and maintained by a qualified engineer It is recommended that checks be carried out on an annual basis in accordance with the maintenance requirements detailed in the 2nd Fix Manual Additionally the concentration of the solar thermal transfer fluid should be checked and if necessary topped up or replaced every 2 years Failure to maintain the system may invalidate your warranty For warranty Terms and Conditions please refer to the 2nd Fix Manual Baxi Heating UK Ltd 2011 Il All descriptions and illustrations provided i
9. hnical Enquiry Line Fig Unvented System Example Some sensors removed for clarity Baxi Heating UK Ltd 2011 2 0 Baxi Solarflo Description Description Your Solar system consists of several component parts that work together to heat your domestic hot water supply either from the power of the sun by conventional means by a boiler or electric immersion heaters or combination of both This combination is required because the sun s energy is not uniformly received throughout the year some 70 of the UK s annual radiation is received over the period April to September The amount of sunshine hours will vary and the proportion of direct radiation from a clear sunny day and diffuse radiation from partly cloudy or overcast skies will also vary However on average up to 60 of a dwellings annual hot water requirement can be provided by a solar water heating system The balance is provided by the auxiliary heating source Fig shows the main component parts of the Baxi Solar System unvented system Solar Collector Note larger cylinders may have 2 or 3 collectors connected 2 Solar Pump Station 3 Solar Controller Note May be mounted remotely from Pump Station 4 Solar Expansion Vessel 5 Solar Cylinder 6 Baxi Boiler Auxiliary Heating Source Note Auxiliary heating may be by immersion heaters 7 Solar Cylin
10. iption Reset possible 75 C Indication of current collector temperature no min 12 C y Indication of minimum collector temperature yes Re settable to current temperature max 105 C y Indication of maximum collector temperature yes Re settable to current temperature 52 C El Indication of current temperature storage tank lower no min 40 C Indication of minimum temperature storage tank lower yes Re settable to current temperature max 65 C E Frost protection or common measuring point yes 25 C Indication of universal temperature measuring points T3 no 55 C E Indication of current temperature storage tank thermostat no 60 C Indication of current temperature collector return no 60 C Indicates Auxiliary Heating Coil Temperature no T6 1234 h Operating hours for charging storage tank Yes Resettable to 0 h 927 kWh Energy productivity for storage tank where applicable Yes Resettable to 0 kWh 6 Baxi Heating UK Ltd 2011 Sa punmmanennmnnmmmmnmnmenmennnnnemannnmnmnnnnns Press ok sseeesccoens disappears ED or CCD to scroll 4 0 User Controls up or down to the required sub function The icon will flash press to select the function Reset by pressing Menu Programming r gt tor All adjustable parameters can be checked in this menu and if increase decrease values Press CD necessary changed The default factory setting will usually give and appears efficient an
11. n this leaflet have been carefully prepared but we reserve the right to make changes and improvements in our products which may affect the accuracy of the information contained in this leaflet All goods are sold subject to our standard Conditions of Sale which are available on request MULTIFIT A Registered Trademark of Baxi Heating UK Ltd 3879156 Brooks House Coventry Road Warwick CV34 4LL Technical Enquiries 0844 8711555 Website www baxiheating co uk e amp oe PART OF BDR THERMEA Baxi Heating UK Ltd 2011 Comp No 720598101 2 11
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