TDS 300 user manual
Contents
1. sensor and bottom cylinder Pump is stalled Contact your heating engineer temperature sensor or Valves or shut offs are Contact your heating engineer between heat exchanger flow closed temperature sensor and bottom cylinder temperature Pipe clogged Contact your heating engineer sensor is too great Therm disinfection running time error The thermal disinfection has Target temperature not Contact your heating engineer not been carried out reached Tab 5 Possible faults indicated on the display WORCESTER Bosch Group 14 6 720 644 594 2010 04 FAULTS Indication Type of fault Effect Possible causes Remedy Collector connections reversed The collector temperature Collector connections Contact your heating engineer drops 15 K within 10 seconds reversed of switching on Gravity fed circulation at night Expert menu gt Settings The cut in temperature Gravity feed restrictor Contact your heating engineer differential for pump SP is opened manually or reached between 22 00 and defective 06 00 Tab 5 Possible faults indicated on the display S WORCESTER 6 720 644 594 2010 04 15 Bosch Group FAULTS 4 2 FAULTS NOT INDICATED ON THE DISPLAY Type of fault Effect Possible causes Remedy Pump not running even though conditions for switching on are met The solar storage cylinder No power supply fuse or Contact a qualified electrician is not being supplied by power cabl2. Back button Tab 2 Symbol for temperature sensor Displays of temperatures hours of operation etc Valve symbol black open outlet Active circulation diagram Symbol Functions iO e Selecting system settings Opens the main menu e Returns display to collector temperature SWITCHING OFF THE SYSTEM gt Disconnect the programmer from the mains power supply by means of the isolating device e g mains plug 10 6 720 644 594 2010 04 WORCESTER Bosch Group OPERATION 3 3 VIEW MODE VIEWING SYSTEM SETTINGS You can use the rotary selector iO to view the following system data if the relevant components are installed and the supplementary functions have been activated by your heating engineer Display Other functions Cooling function Supplementary function None Heat meter Heat exchanger anti icing system Other functions S Europe function e Thermal disinfection e Cooling function Tab 3 Overview of system data WORCESTER Bosch Group 6 720 644 594 2010 04 e Evacuated tube collector System data Shows other active functions Possible indications display flashes when function is active Temperature C Hours of operation cumulative h Hours of operation today h d Pump speed Pump and valve status Flow temperature C Return temperature C Heat usage cumulative kWh Heat usage today kWh d Flow temperature C Hours of operatio
3. 0844 892 3000 SPARES 01905 752571 LITERATURE 0844 892 9800 TRAINING 01905 752526 SALES 01905 752640 6720644594 WEBSITE worcester bosch co uk Worcester Bosch Group Cotswold Way Warndon Worcester WR4 9SW Tel 0844 892 9900 WO RCESTE R Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd Bosch Group worcester bosch co uk 6 720 644 594
4. thermal system during long absences e g when going on holiday When installed according to the manufacturer s specifications the solar heating system is intrinsically safe gt After a power failure or a long absence check the operating pressure on the pressure gauge of the solar thermal system gt Section 5 4 page 19 WARNING Risk of damage to system if programmer settings are changed Do not make any changes to any settings not described here 8 6 720 644 594 2010 04 WORCESTER Bosch Group OPERATION 3 1 ELEMENTS OF THE SOLAR PUMPING STATION The main components of the solar pumping station are Thermometers gt Fig 3 Item 1 and 3 The built in thermometers display the temperatures of the solar return blue and flow red e Pressure gauge gt Fig 3 Item 2 the pressure gauge indicates the system pressure The safety valve above it opens and releases the excess fluid pressure via the blow off pipe if the system pressure rises above 6 bar 7747004985 09 1 SD Fig 3 Solar pumping station 1 Display of temperature for solar return 2 Pressure gauge and safety valve 3 Display of temperature for solar flow WORCESTER 6 720 644 594 2010 04 9 Bosch Group OPERATION 3 2 CONTROLLER CONTROLS 7747006072 23 1 SD Fig 4 controller and display 1 Display 2 Rotary selector 3 Back button 4 Menu button 5 6 7 8 Control Rotary selector can be turned and pressed Menu button
5. USER MANUAL penchinan THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS WORCESTER Bosch Group 6 720 644 594 2010 04 CONTENTS CONTENTS Safety instructions and explanation of symbols General safety instructions Symbols Details of the product EU Declaration of Conformity Product description Operation Elements of the solar pumping station controller controls View mode viewing system settings Main menu Faults Faults indicated on the display Faults not indicated on the display Notes for the user Why is regular maintenance important Important notes on heat transfer fluids Checking the solar thermal system Checking operating pressure with possible re adjustment Cleaning the collectors User s log 6 720 644 594 2010 04 WW W O1 WORCESTER Bosch Group SAFETY INSTRUCTIONS AND EXPLANATION OF SYMBOLS 1 SAFETY INSTRUCTIONS AND EXPLANATION OF SYMBOLS 1 1 GENERAL SAFETY INSTRUCTIONS ABOUT THIS MANUAL This manual contains important information about the safe and correct installation and operation of the solar thermal system Ask your heating engineer to provide you with all the technical documentation relating to the solar thermal system Read this manual carefully and keep it for future reference Always observe the safety instructions to prevent injury and damage to property INTENDED USE T
6. bute to the smooth functioning of your solar thermal system by doing the following e Checking the temperature difference between flow and return and between the collector and cylinder twice a year e Checking the operating pressure for solar thermal stations e Checking the heat quantity if a calorimeter has been installed and or the operating hours The completed log can help qualified technicians when checking your solar thermal il Enter the values in the log on page 20 which may also be copied system and performing maintenance 18 6 720 644 594 2010 04 WORCESTER Bosch Group NOTES FOR THE USER 5 4 CHECKING OPERATING PRESSURE WITH POSSIBLE RE ADJUSTMENT Pressure fluctuations in the solar thermal circuit due to temperature changes are normal and do not lead to faults in the solar thermal system Check the system pressure on the pressure gauge gt Fig 3 when the system 15 cold about 20 C IF PRESSURE DROPS A pressure drop can be caused by the following There is a leak in the solar thermal circuit An automatic air vent has expelled air or vapour If the pressure of the solar thermal system has dropped Check whether heat transfer fluid has collected in the storage vessel under the solar pumping station gt Call ina qualified heating engineer if the system pressure drops 0 5 bar below the level recorded in the commissioning log gt Installation and servicing instructions for the solar stat
7. ct the energy consumer To change the maximum temperature press the rotary selector a temperature starts flashing To change the setting turn the rotary selector gt save the new setting press the rotary selector gt To exit the Main menu press the Back button gt Setting range Default setting New setting 29526 60 WORCESTER 6 720 644 594 2010 04 13 Bosch Group FAULTS 4 FAULTS 4 1 FAULTS INDICATED ON THE DISPLAY When indicating a fault the display is back lit in red In addition the type of fault is indicated by symbols The individual fault messages can be retrieved using the rotary selector by turning it Fault messages continue to be displayed until the fault is rectified gt Ifa fault occurs contact a qualified heating engineer Indication Type of fault Effect Possible causes Remedy Sensor failure 51 58 Associated components Temperature sensor not Contact your heating engineer pumps valves are switched incorrectly connected off Temperature sensor or Contact your heating engineer sensor lead defective 4 Sensor short circuit S1 S8 Associated components Temperature sensor or Contact your heating engineer pumps valves switched sensor lead defective off No fluid flow in solar systems secondary system The temperature difference Air in the system Contact your heating engineer between collector temperature
8. e faulty the solar thermal system The temperature at the bottom When the temperature drops 3 K of the cylinder is close to or below the maximum cylinder above the set maximum temperature the pump switches cylinder temperature on The collector temperature is When the temperature drops 5 K close to or above the set below the maximum collector maximum collector temperature the pump switches temperature on There is no electrical power Contact your heating engineer lead to the pump or it is not connected Cooling function active _ The controller checks which cylinder can be charged only in systems with two cylinders Pump is faulty Contact your heating engineer The system animation on the display is running and the pump is humming The solar storage cylinder The pump is stalled due to a Contact your heating engineer is not being supplied by mechanical blockage the solar thermal system Temperature sensor is displaying an incorrect figure Pump is being activated Temperature sensor incorrectly Contact your heating engineer deactivated too early too fitted late Incorrect temperature sensor fitted Tab 6 Possible faults not indicated on the display 16 6 720 644 594 2010 04 WORCESTER Bosch Group FAULTS Type of fault Effect Possible causes Remedy Domestic hot water is too hot Risk of scalding Cylinder temperature limit and Set the cylinder temperature limit hot water mixing valve a
9. he collector array gt Fig 1 Item 1 and the solar storange cylinder gt Fig 1 Item 3 is exceeded the pump in the solar pumping station is switched on The pump transports the heat transfer fluid through the collector array to the solar cylinder There is a heat exchanger in the solar cylinder that transfers the free heat collected via the sun from the transfer medium to the water intended for washing or heating 6 720 644 594 2010 04 WORCESTER Bosch Group DETAILS OF THE PRODUCT CONTROLLER The controller is designed for use with a solar heating system It can be mounted on a wall or is integrated in a solar thermal centre In normal operating mode the display screen gt Fig 2 on the controller stays illuminated in green yellow for 5 minutes after the last button was pressed activated by pressing the rotary selector a for example The display shows the following e Pump and valve status as simple schematic diagram not representative of actual system System values e g temperatures e Selected functions Fault messages Fig 2 Possible display indications Z WORCESTER 6 720 644 594 2010 04 7 Bosch Group OPERATION 3 OPERATION Your professional heating technician will set the solar thermal system when commissioning it and it will run automatically Have your heating engineer explain to you how the solar thermal system works and how to operate it Do not switch off the solar
10. he solar controller referred to from now on as the controller may only be used for operating solar thermal systems under the permissible ambient conditions 0 50 C The programmer must not be used outdoors in damp rooms or in rooms where easily combustible gas mixtures could form Only operate the solar thermal system as intended and when the system is in proper working order DOMESTIC HOT WATER TEMPERATURE The recommended DHW storage temperature is 60 C Where storage temperatures in excess of 60 C may be achieved it is essential that the drawn hot water is controlled with a thermostatic blending valve DISPOSAL gt Dispose of packaging in an environmentally responsible manner When replacing components dispose of the old parts in an environmentally responsible manner Z WORCESTER 6 720 644 594 2010 04 3 Bosch Group SAFETY INSTRUCTIONS AND EXPLANATION OF SYMBOLS 1 2 SYMBOLS printed on a grey background N Safety instructions in this document are identified by a warning triangle symbol and are Signal words indicate the seriousness of the hazard in terms of the consequences of not following the safety instructions e Caution indicates that minor damage to property could result e Warning indicates that minor personal injury or serious damage to property could result e Danger indicates that serious personal injury could result In particularly serious cases lives could be at risk Notes are identif
11. ied by the symbol shown on the left They are bordered by horizontal il lines above and below the text Notes contain important information in cases where there is no risk of personal injury or damage to property 4 6 720 644 594 2010 04 WORCESTER Bosch Group DETAILS OF THE PRODUCT 2 DETAILS OF THE PRODUCT 2 1 EU DECLARATION OF CONFORMITY The design and operation of this product conform to the applicable European directives and supplementary national requirements Confirmity has been demonstrated 2 2 PRODUCT DESCRIPTION DIAGRAM OF SOLAR THERMAL SYSTEM 7747006071 01 1 SD Fig 1 System diagram Collector array Solar pumping station Solar cylinder Controller TDS 300 BOND Z WORCESTER 6 720 644 594 2010 04 5 Bosch Group DETAILS OF THE PRODUCT Main components of the solar thermal system Collector array Solar pumping station Solar cylinder Controller TDS 300 Tab 1 Consists of flat plate collectors or evacuated tube collectors Consists of the pump together with safety valves and shut off valves for the solar thermal circuit Used for storing the collected solar energy There are three different types Domestic hot water cylinder indirect Thermal store to back up a domestic heating system Combination cylinder for domestic heating back up and for domestic hot water Includes two temperature sensors OPERATING PRINCIPLE When the set temperature difference between t
12. ion 5 5 CLEANING THE COLLECTORS DANGER Risk of death by falling from roof AN gt Inspection maintenance and cleaning work on the roof must only be carried out by qualified technicians Due to the self cleaning effect when rain falls the collectors do not usually need cleaning WORCESTER 6 720 644 594 2010 04 19 Bosch Group USER S LOG 5 Apno 3 2 Ans SUOI IPUOD aq ued sanjen 5 5 12105 10 807 9 gel YM u Ay yuenb 2 y 5 JapuljA9 10 99 09 s noy 35 419 01 U09 5 pafejds p uo asnes 55 uolje s Youd JOOY 9d Joao DOUOISSIWWOD 21eq 05 5 uo 8229 d 510129 02 Wa sks 901S 435N 9 WORCESTER 6 720 644 594 2010 04 Bosch Group NOTES WORCESTER Bosch Group 6 720 644 594 2010 04 21 NOTES 22 6 720 644 594 2010 04 WORCESTER Bosch Group NOTES WORCESTER Bosch Group 6 720 644 594 2010 04 23 WORCESTER BOSCH GROUP TECHNICAL SUPPORT 0844 892 4010 APPOINTMENTS
13. n cumulative h Hours of operation today h d 11 OPERATION Status display Cylinder maximum temperature The cylinder maximum temperature is displayed if the set limit is exceeded Collector minimum temperature The collector minimum temperature is displayed if the temperature drops below the set limit Collector maximum temperature The collector maximum temperature is displayed if the set limit is exceeded Tab 4 Status indications 12 6 720 644 594 2010 04 WORCESTER Bosch Group OPERATION 3 4 MAIN MENU The Main menu can be used to set the maximum temperatures for the heat consumers solar cylinder cylinder C swimming pool Once the cylinder or swimming pool reaches the maximum temperature charging of that heat consumer is stopped If no entry is made for more than 60 seconds the programmer exits the main menu WARNING Risk of scalding if maximum cylinder temperature is set to more than 60 C and hot water thermostatic mixer is not fitted or set too high Only set the maximum temperature of the solar cylinder to higher than 60 C if a built in thermostatic hot water mixer limits the outlet temperature to 60 C If the domestic water supply is very hard the maximum temperature of the solar cylinder il should not be set higher than 60 C gt Press the button to switch to the Main menu Main menu Maximum solar cylinder temp gt Turn the rotary selector to sele
14. re set lower inform engineer if too high necessary Domestic hot water too cold or domestic hot water flow volume too low Domestic hot water Contact your heating engineer temperature is set too low on boiler control on heating programmer or on hot water mixing valve Tab 6 Possible faults not indicated on the display S WORCESTER 6 720 644 594 2010 04 17 Bosch Group NOTES FOR THE USER 5 NOTES FOR THE USER 5 1 WHY IS REGULAR MAINTENANCE IMPORTANT Your solar domestic hot water system or domestic hot water and space heating system is virtually maintenance free However we recommend that you have your system serviced at least every 2 years by your heating engineer In that way you can ensure smooth and efficient operation and early detection and elimination of any possible damage 5 2 IMPORTANT NOTES ON HEAT TRANSFER FLUIDS glycol mixture i WARNING Risk of injury from contact with heat transfer fluid water and propylene gt If heat transfer fluid comes into contact with eyes hold eyelids wide open thoroughly rinse eyes with running water gt Keep heat transfer fluid out of reach of children The heat transfer fluid is biodegradable Your engineer has been instructed to ensure when commissioning the solar thermal system that the heat transfer fluid provides protection against freezing at temperatures down to at least 30 C 5 3 CHECKING THE SOLAR THERMAL SYSTEM You can contri
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