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Bosch Worcester FW 100 Installation & User's Instructions
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Bosch Worcester FW 100 Installation & User's Instructions

Weather compensation controller
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INSTALLATION & USER INSTRUCTIONS
WEATHER COMPENSATION CONTROLLER
FW 100
FOR USE WITH THE FOLLOWING APPLIANCES:
GREENSTAR CDI COMBINATION BOILERS
GREENSTAR CDI SYSTEM BOILERS FITTED WITH OPTIONAL INTEGRAL DIVERTER VALVE
GREENSTAR HIGHFLOW CDI COMBINATION BOILERS

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Summary of Contents for Bosch Worcester FW 100

  • Page 1 INSTALLATION & USER INSTRUCTIONS WEATHER COMPENSATION CONTROLLER FW 100 FOR USE WITH THE FOLLOWING APPLIANCES: GREENSTAR CDI COMBINATION BOILERS GREENSTAR CDI SYSTEM BOILERS FITTED WITH OPTIONAL INTEGRAL DIVERTER VALVE GREENSTAR HIGHFLOW CDI COMBINATION BOILERS...

  • Page 2: Overview Of Controls And Symbols

    Overview of controls and symbols Overview of controls and symbols advance advance menu info 6 720 617 763-01.1O Fig. 1 Controls 6 720 617 763 (2008/09)
  • Page 3 Overview of controls and symbols Controls Symbols 1 Turning rotary selector Current room temperature in + direction: (only with wall mounting) scrolls menu/information up or increases Flashing segment: setting value Time now (between 09:30 and Turning rotary selector in – direction: 09:45) scrolls menu/information down or decreases Solid segments: time set for operat-...

  • Page 4: Table Of Contents

    Contents Contents Chapters against a grey back- Operation ......19 Heating and domestic hot water ground are intended for installers. programmes .
  • Page 5 Contents 6.3.4 Timer programme for domestic 8.5.3 Parameters hot water circulation pump for solar optimisation ..62 (systems with domestic Fault history ....64 hot water cylinder only) .

  • Page 6: Information About This Documentation

    Information about this documentation Information about this documentation Guide to instructions ranges for the menus. There are also tables for making a note of your settings. These installation and operating in- ... are looking for troubleshooting tables, refer • structions contain all details of the to Section 9.

  • Page 7: Symbols And Safety Precautions

    Symbols and safety precautions Symbols and safety precautions Symbols Conventions used in these instructions for rep- resenting the menu structure: Safety instructions in this docu- Individual menu levels are separated by the • ment are framed and identified by character > , e.g. Holiday > Start a warning triangle which is printed Parameters that can be set/selected on a •...

  • Page 8: Safety Precautions

    Symbols and safety precautions Safety precautions B These instructions must be observed to ensure correct operation. B Install and commission the boiler and all accessories in accordance with the installa- tion instructions. B This accessory must only be installed by suita- bly qualified installers.

  • Page 9: Technical Data For The Accessory Item

    Technical data for the accessory item Technical data for the accessory item Standard package The FW 100 can only be connected to a boiler with BUS-enabled Heatronic 3. It is intended to be in- stalled in the boiler but can be wall mounted.

  • Page 10: Technical Data

    Technical data for the accessory item Technical data Supplementary accessories ISM 1: module for controlling solar water • Dimensions Fig. 8, page 13 heating. Rated voltage 10...24 V DC Cleaning Rated power 6 mA B If required, use a damp cloth to wipe the con- (excluding illumination) troller casing.

  • Page 11: Sample System

    Technical data for the accessory item Sample system FW 100 ISM˚1 System 1 Option E 230V AC FW 100 6 720 617 767-01.1O Fig. 3 FW 100 and CDi System Boiler with optional integral diverter valve and solar installation. Outside temperature sensor Solar return two port valve Flat plate collector Solar wiring center...

  • Page 12: Installation (For Installers Only)

    Installation (for installers only) Installation (for installers only) Insert top section in slots. Danger: Risk of electric shock B Before installing these accesso- ries: Isolate the voltage supply (230 V AC) to the heating appli- ance and all additional devices on the bus.

  • Page 13: Wall Mounting

    Installation (for installers only) 3.1.2 Wall mounting The installation location must be suitable for con- B Remove the top section and slide cover from trolling the heating system or heating circuit. the base. The accuracy of the FW 100 is dependent upon the installation location.
  • Page 14 Installation (for installers only) B Fit the base. 6 mm 6 mm 3,5 mm 3,5 mm 6 720 612 220-07.1R Fig. 10 B Make the electrical connections ( Fig. 14 on page 16 or 15 on page 17). B Refit top section and slide cover on base. Fig.

  • Page 15: Installation Of Outside Temperature Sensor

    Installation (for installers only) 3.1.3 Installation of outside temperature sensor Control quality depends on installation location of outside temperature sensor AF. 6 720 617 763-18.1O Fig. 12 6 720 617 763 (2008/09)

  • Page 16: Fitting Other Accessories

    Installation (for installers only) Electrical connections B Select installation location ( Fig. 12). B Remove cover. 3.2.1 Electrical connection, FW 100 in boiler B Fix sensor housing to external wall with two facia screws. B Installation of the controller automatically produces BUS connection via the three con- tacts ( Fig.

  • Page 17: Electrical Connection, Fw 100 Mounted On The Wall

    Installation (for installers only) 3.2.2 Electrical connection, FW 100 mounted If the BUS cables feature different on the wall cross-sections: B Use electrical cable with a minimum rating of B Connect BUS link via a branch H05 VV-... (NYM-I...). box. B To avoid inductive interference, lay all bus cables seperately to lines of 230 V or 400 V (minimum spacing 100 mm).

  • Page 18: Commissioning (For Installers Only)

    Commissioning (for installers only) Commissioning (for installers only) For correct commissioning, it is essential that the Adjust other settings to suit the specifics of following steps are carried out in the order the system, Section 6 starting on page 30 shown.

  • Page 19: Operation

    Operation Operation Introduction menus. The individual menu levels are separated by the character > , e.g. Holiday > Start With the FW 100 heating controller, you can auto- matically control the room temperature and Some menu options are dependent on others. In domestic hot water temperature with a heating such cases, a page reference directs you to a and hot water programme created according to...

  • Page 20: Heating And Domestic Hot Water Programmes

    Operation Heating and domestic hot water Comfort • programmes Economy • Frost (Frost protection) • 5.1.1 General Information For each of those operating modes, there is a The programmes for heating and hot water ena- specified room temperature stored on the ble you to achieve maximum energy savings while FW 100 heating controller ( Section 5.4.1,...

  • Page 21: Setting Programmes

    Operation Setting programmes – If the temperature measured in the domes- tic hot water cylinder is below the speci- fied temperature, the cylinder is re-heated. The functions of the controls and the meanings of the symbols on the dis- – Once the specified temperature is reached play are explained on pages 2 and 3.

  • Page 22: Setting And Changing Switching Times And Operating Modes

    Operation A flashing parameter setting (e.g. switching 5.2.2 Setting and changing switching times • point or operating mode) and operating modes – can be changed by turning the rotary selec- The way in which switching points and operating modes are set is always the same, the only differ- ences are due to the various operating modes for –...
  • Page 23 Operation B Turn the rotary selector until the menu B Turn the rotary selector until the desired option Heating is selected. heating programme is selected (e.g. A:Pro- gramme A). B Press The heating programme (e.g. A:Programme A) is selected and the title bar shows the current menu name (EDIT PROGRAMME A).
  • Page 24 Operation B Press Using groups of days when programming The switching point and corresponding seg- In many cases, you may want to programme the ment on the display start to flash. same switching points for several days of the week, say for all working days. Equally, you may also want a different programme for just one of those days.
  • Page 25 Operation Copying ready-made programmes B Open the programme concerned (e.g. menu path: Heating > Programme > Edit > C:Pro- There are eight ready-made heating programmes gramme C or menu path: Domestic hot permanently stored on the heating controller. water > DHW programme > Edit). They can not be directly applied to a heating cir- cuit.

  • Page 26: Manually Setting Operating Modes

    Operation Manually setting operating modes 5.3.1 Selecting the heating mode 5.3.2 Advancing heating mode before the pro- grammed time (bringing forward the In normal operation, always leave next switching point) the rotary selector in the This function brings forward the time at which sition.

  • Page 27: Changing The Domestic Hot Water Mode (Time-Limited)

    Operation 5.3.3 Changing the domestic hot water mode 5.3.4 Holiday programme (time-limited) You can use this function if you want to set a con- stant operating mode for several days (e.g. You can use this function if you need Frost ) without changing the heating pro- domestic hot water outside the pro- grammes.
  • Page 28 Operation If you have set the holiday pro- gramme to start on today's date, it will start immediately. If the date is in the future, the holiday pro- gramme will start at 00:00 hours on the set start date. It will end at 23:59 hours on the set end date.

  • Page 29: Changing The Specified Room Temperature

    Operation Changing the specified room 5.4.2 Changing the specified room tempera- ture for a limited period temperature B Set the desired room temperature using the rotary selector The controller provides the option of While you are changing the set room tempera- setting the desired room tempera- ture the display shows the desired room tem- ture for the operating mode con-...

  • Page 30: Main Menu Settings

    MAIN MENU settings MAIN MENU settings Detailed instructions on navigating through the The menu options are only shown if menu structure, programming, deleting settings the system components are present and resetting to the default settings are provided and/or active. in Section 5.2 starting on page 21. Some menu options are not shown because they are switched off by a MAIN MENU summary and set-...

  • Page 31: Main Menu: Holiday

    MAIN MENU settings 6.1.1 MAIN MENU: Holiday Personal Description Holiday menu structure Default setting Setting range setting starts on page Start – – . – – . – Today ... 12/31/2099 – – – (in increments of one day/month/ year) –...

  • Page 32: Main Menu: Heating

    MAIN MENU settings 6.1.2 MAIN MENU: Heating Personal Description Heating menu structure Default setting Setting range setting starts on page Programme – – – Activate A:Programme A A:Programme A ... – (switching C:Programme C points from (Programme name can be Home all day- changed) programme)

  • Page 33: Main Menu: Domestic Hot Water

    MAIN MENU settings 6.1.3 MAIN MENU: Domestic hot water Description Domestic hot water menu Personal starts structure Default setting Setting range setting on page DHW and DHW circulation pump Separate pro- Separate programmes | As heat- grammes ing programme – –...
  • Page 34 MAIN MENU settings Description Domestic hot water menu Personal starts structure Default setting Setting range setting on page Parameter – – – Cylinder temp at heating 60 °C 15 °C ... 60 °C °C level Comf. Cylinder temp at heating 50 °C 15 °C ...

  • Page 35: Main Menu: General Settings

    MAIN MENU settings 6.1.4 MAIN MENU: General settings General settings menu Personal Description structure Default setting Setting range setting starts on page Time and date – – – Time – – : – – – 00:00 ... 23:59 (in incre- ments of one hour/minute) Date –...

  • Page 36: Heating Programme

    MAIN MENU settings Heating programme Main menu: Heating Activate: Selects and activates the heating • programme. Set the flow temperature control on For menu structure and adjustment ranges the boiler to the maximum required page 32. flow temperature. Menu: Heating > Programme > Edit 6.2.1 Timer programmes for heating Use this menu if you want to adapt a heating pro- Heating programmes control central heating...
  • Page 37 MAIN MENU settings Menu: Heating > Programme > Edit > A:Pro- Menu: Heating > Programme > Edit > A:Pro- gramme A ... C:Programme C > All days gramme A ... C:Programme C > Monday, Tues- day ... Sunday Use this menu to set identical times for every day for the heating programme of your choice.

  • Page 38: Temperature Levels For Operating Modes And Heating Rate

    MAIN MENU settings 6.2.2 Temperature levels for operating modes Menu: Heating > Parameter > Heating levels and heating rate Use this menu to set the desired room tempera- ture for each of the operating modes: Menu: Heating > Parameter Comfort = maximum required temperature •...

  • Page 39: Dhw Programme

    MAIN MENU settings DHW programme If the heating system is in Economy mode the cylinder is kept at the tempera- ture set for Cylinder temp at heating level Main menu: Domestic hot water Set the domestic hot water temper- If the heating system is in Frost mode ature control on the boiler to the frost protection is also active for the...

  • Page 40: Domestic Hot Water Programme Operating Modes

    MAIN MENU settings 6.3.1 Domestic hot water programme operat- If the domestic hot water pro- ing modes gramme changes from a higher to a Domestic hot water programmes operate differ- lower specified temperature, the ently according to the type of hot water system: water in the cylinder will not imme- With combination boilers (boilers which pro- •...

  • Page 41: Timer Programme For Domestic Hot Water With Combination Boiler

    MAIN MENU settings 6.3.2 Timer programme for domestic hot water – Deactivate switching points that are not with combination boiler required by deleting them. For menu structure and adjustment ranges Menu: Domestic hot water > DHW programme page 33. Use this menu if you wish to use a timer pro- Menu: Domestic hot water >...

  • Page 42: Time/Temperature Level Program For Domestic Hot Water Via Cylinder

    MAIN MENU settings 6.3.3 Time/temperature level program for Menu: Domestic hot water > DHW programme > domestic hot water via cylinder Edit > Mon - Fri Use this menu to set identical times for the days Menu: Domestic hot water > DHW programme Monday to Friday for the domestic hot water pro- Use this menu if you wish a domestic hot water gramme.

  • Page 43: Timer Programme For Domestic Hot Water Circulation Pump (Systems With Domestic Hot Water Cylinder Only)

    MAIN MENU settings 6.3.4 Timer programme for domestic hot water Menu: Domestic hot water > DHW circ pump circulation pump (systems with domestic prog > Edit > Mon - Fri hot water cylinder only) Use this menu to set identical times for the days The circulation programme specifies when the Monday to Friday for the domestic hot water pro- circulation pump for domestic hot water circula-...

  • Page 44: Parameters For Domestic Hot Water

    MAIN MENU settings 6.3.5 Parameters for domestic hot water 6.3.6 Thermal disinfection of domestic hot water Menu: Domestic hot water > Parameter Cylinder temp at heating level Comf.: • Menu: Domestic hot water > Thermal disinfec- This menu option is only active if Domestic tion hot water >...
  • Page 45 MAIN MENU settings Operating status: • – Not running: No thermal disinfection in progress at present. Once-only thermal dis- infection can be started by selecting Start now. – Running: Thermal disinfection currently in progress. Thermal disinfection can be stopped by selecting Stop. If Solar sys option E Thermal disinfection is switched on ( Section 8.4 on page 60)

  • Page 46: General Settings

    MAIN MENU settings General settings 6.4.1 Time, Date and Auto switch between day, M = number for month, Y = number for GMT - BST year). Display contrast: Sets display contrast to • Menu: General settings > Time and date between 25% and 75%.

  • Page 47: Solar Settings

    MAIN MENU settings Solar settings expected solar yield during the course of the day and take this into account in controlling the boiler. The boiler will then not be required to pro- Main menu: Solar duce as much heat and will use less gas. Use this menu if you want to limit the cylinder temperature or optimise the specified domestic For more information for installers...
  • Page 48 MAIN MENU settings Optimizing influence DHW and CH circuit optimizing influence do not start until a calibration phase of at least 30 days has been completed after commissioning of the solar thermal system. In that period, the FW 100 heating controller “learns” what level of solar yield is possible.

  • Page 49: Viewing Information

    Viewing information Viewing information Menu: INFO INFO menu overview The table below provides This menu allows you to view a variety of system an overview of the menu structure (column 1). information. • The menu level is indicated by different Detailed instructions on navigating through the shades of grey.
  • Page 50 Viewing information INFO menu structure Display (example) Description Heating system – – Operating mode Auto – Comfort | Auto – Current operating mode for Economy | Auto – Frost | heating circuit 1. Comfort | Economy | Frost | Holiday – Auto | Holiday –...
  • Page 51 Viewing information INFO menu structure Display (example) Description Solar – – Standard system – Menu for basic system component of solar thermal system. T1: Temperature of col- 80.0 °C Temperature measured by collector temperature lector group 1 sensor (T T2: Temp at bottom of 55.7 °C Temperature measured by bottom cylinder tempera- solar cylinder...

  • Page 52: Installer Settings Menu Settings

    INSTALLER SETTINGS menu settings (for installers only) INSTALLER SETTINGS menu settings (for installers only) The INSTALLER SETTINGS menu is The menu options are only shown if intended only for installers. the system components are present and/or active and if there is no re- B To open INSTALLER SETTINGS: mote control access to them.

  • Page 53: System Configuration

    INSTALLER SETTINGS menu settings (for installers only) 8.1.1 INSTALLER SETTINGS: System configuration System configuration menu Default Personal Description structure setting Setting range setting starts on page Start automatic system configu- No | Yes ration Domestic hot water configura- Combi boiler No | Combi boiler | Cyl conn to tion boiler | Cyl on IPM ident.

  • Page 54: Solar Sys Parameters

    INSTALLER SETTINGS menu settings (for installers only) 8.1.4 INSTALLER SETTINGS: Solar sys parameters Solar sys parameters menu Default set- Personal Description structure ting Setting range setting starts on page 1. Standard system – – – SP: ON temperature differ- 3 K ... 20 K ence (not lower than “SP: OFF tempera- ture difference”...

  • Page 55: System Info

    INSTALLER SETTINGS menu settings (for installers only) 8.1.7 INSTALLER SETTINGS: System info Personal Description System info menu structure Example Setting range setting starts on page Installation date 10/22/2008 – – (activated on commission- ing) Boiler part number 7 777 777 777 –...

  • Page 56: Configuring The Heating System

    INSTALLER SETTINGS menu settings (for installers only) Configuring the heating system Parameters for heating Installer settings: System configuration Installer settings: Heating parameters An example system configuration is Set the flow temperature control on shown in Section 2.6 on page 11. the boiler to the maximum required flow temperature.
  • Page 57 INSTALLER SETTINGS menu settings (for installers only) 6 720 612 481-30.1R 6 720 612 481-27.1R Fig. 20 Default setting of heating curve for foot Fig. 22 Default setting for heating curve in radi- point/end point ator heating system 6 720 612 481-29.1R 6 720 612 481-28.1R Fig.
  • Page 58 INSTALLER SETTINGS menu settings (for installers only) Foot point: Use this menu item to set the base Room temperature offset: Use this menu item • • point of the heating curve according to the tra- to set the permanent increase in required ditional foot point/end point method.
  • Page 59 INSTALLER SETTINGS menu settings (for installers only) B Position a precision instrument near FW 100. Warning: Domestic hot water pipe- The precision instrument must not transfer work may freeze if the frost thresh- any heat to the FW 100. old is set too low and long periods B Keep away from heat sources such as sunlight, of outside temperatures below body heat, etc.

  • Page 60: Configuring The Solar Thermal System

    INSTALLER SETTINGS menu settings (for installers only) Configuring the solar thermal 8.5.1 Commissioning the solar thermal system system Installer settings: Solar sys parameters Before commissioning the solar thermal system The heating system’s solar thermal you must: system has to be configured manu- B Fill and bleed the solar thermal system.

  • Page 61: Parameters For The Standard Solar Thermal System

    INSTALLER SETTINGS menu settings (for installers only) 8.5.2 Parameters for the standard solar ther- SP: Collector grp 1 pump mode: Use this • mal system menu option to set the operating mode for the solar pump (SP). Menu: Solar sys parameters > 1. Standard sys- –...

  • Page 62: Parameters For Solar Optimisation

    INSTALLER SETTINGS menu settings (for installers only) 8.5.3 Parameters for solar optimisation Collector group 1 type: Use this menu option • to set the installed collector type for collector Solar optimisation is performed automatically group 1. according to the available solar output. Calcula- tion of the solar output requires specification of Climate zone: Use this menu option to set the •...
  • Page 63 INSTALLER SETTINGS menu settings (for installers only) Fig. 24 Map of climate zones in Europe 6 720 617 763 (2008/09)

  • Page 64: Fault History

    INSTALLER SETTINGS menu settings (for installers only) Fault history Viewing system information Installer settings: Fault history Installer settings: System info Installers can use this option to view the last 20 Shows a variety of system information: faults that have occurred on the system (fault Installation date •...

  • Page 65: Screed Drying Function

    INSTALLER SETTINGS menu settings (for installers only) Screed drying function – A higher value must be entered for the whole duration (3) if the screed cannot bear this increase. This produces a corre- Installer settings: Floor drying sponding reduction in the daily increase. The screed drying function allows fresh screed on –...

  • Page 66: Troubleshooting

    Troubleshooting Troubleshooting BUS device faults are indicated. A fault on the boiler (e.g. Fault EA) is shown on the controller display together with a corre- If the controller shows Fault 12, the cylinder tem- sponding message. perature is so high that the cylinder HLC has B Contact your installer.
  • Page 67 Troubleshooting Information displayed ( Pos. 1, 3 and 4 in fig. 26) Text Code Cause Remedy (by installer) Fault 02 Some parameters reset to Check parameter settings Internal fault default. and readjust them as neces- Some parameters reset to factory settings sary.
  • Page 68 Troubleshooting Information displayed ( Pos. 1, 3 and 4 in fig. 26) Text Code Cause Remedy (by installer) Fault 29 BUS device is configured but Check system layout, check Unable to save parameter settings not available at present. system configuration, modify if necessary and reset parameters on remote con- trol.
  • Page 69 Troubleshooting Information displayed ( Pos. 1, 3 and 4 in fig. 26) Text Code Cause Remedy (by installer) Fault 54 Maximum temperature for Set maximum temperature Temperature for thermal disinfection not solar cylinder too low. for the solar cylinder higher reached in solar cylinder limit cylinder tempera- ture, page 49.

  • Page 70: Troubleshooting Without Using The Display

    Troubleshooting Troubleshooting without using the display Fault Cause Remedy Required room temperature Thermostatic valve(s) set too low. Set thermostatic valve(s) higher. not achieved. Minimum outside temperature setting too Ask your installer to adjust minimum out- low. side temperature setting ( page 59) Heating curve set too low.
  • Page 71 Troubleshooting Fault Cause Remedy Domestic hot water cylinder Domestic hot water temperature control Set domestic hot water temperature con- does not heat up. on boiler set too low. trol higher. Reduce influence of solar optimisation if necessary. Flow temperature controller on the boiler Turn the flow temperature control on the set too low.

  • Page 72: Tips On Saving Energy

    Tips on saving energy 10 Tips on saving energy With weather-compensated control, the flow system stays off. In this case, you can set the • temperature is controlled in accordance with switching point for Economy. the set heating curve: The colder the outside Don't keep windows slightly open for ventila- •...

  • Page 73: Environmental Protection

    Environmental protection 11 Environmental protection Environmental protection is a fundamental cor- porate strategy of the Bosch Group. The quality of our products, their economy and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed.

  • Page 74: Commissioning Log For The Heating System

    Commissioning log for the heating system 12 Commissioning log for the heating system Customer/System operator: System installer: Date commissioned: FD (Date of manufacture): Solar heating system: Domestic hot water systems: Basic solar heating system: 1 : Combi boiler Solar options: E : Cylinder on boiler The following work has been carried out Water circulation systems checked...

  • Page 75: Individual Timer Programme Settings

    Individual timer programme settings 13 Individual timer programme settings The default settings and personal settings for the timer programmes are summarised below. 13.1 Heating programme for heating system How to set the heating programmes is described in Section 6.2 on page 36. Ready-made heating programmes (for copying) AM weekday worker Mo - Th...
  • Page 76 Individual timer programme settings Home all day (Default setting) Mo - Th 06:00 – – – – – – – – 22:00 06:00 – – – – – – – – 23:30 07:00 – – – – – – – –...
  • Page 77 Individual timer programme settings Ready-made heating programmes in programme locations A to C (can be modified) Programme A All days Mon - Fri Sat + Sun Monday 06:00 22:00 Tuesday 06:00 22:00 Wednesday 06:00 22:00 Thursday 06:00 22:00 Friday 06:00 23:30 Saturday 07:00...
  • Page 78 Individual timer programme settings Own settings Programme location A, name: ________________________ All days Mon - Fri Sat + Sun Monday Tuesday Wednesday Thursday Friday Saturday Sunday Programme location B, name: ________________________ All days Mon - Fri Sat + Sun Monday Tuesday Wednesday Thursday...

  • Page 79: Dhw Programme

    Individual timer programme settings 13.2 DHW programme How to set the domestic hot water programme is described in Section 6.3 on page 39. °C °C °C °C °C °C Default setting Mo - Th 05:00 – – – – – –...

  • Page 80: Domestic Hot Water Circulation Programme

    Individual timer programme settings 13.3 Domestic hot water circulation programme How to set the domestic hot water circulation programme is described in Section 6.3 on page 39. Default setting Mo - Th 06:00 – – – – – – – –...

  • Page 81: Index

    Index Index ......Accessories Default settings ....Appliance details Design temperature .
  • Page 82 Index ..........Heating Key lock Heating circuit...
  • Page 83 Index ....Set screed drying ... Setting constant economy ..... . Operation .
  • Page 84 01905 752556 TRAINING: 01905 752526 SALES: 01905 752640 WEBSITE: www.worcester-bosch.co.uk Dedicated to heating comfort Worcester, Bosch Group Cotswold Way, Warndon, Worcester WR4 9SW Tel. 01905 754624 Fax. 01905 754619 Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd. www.worcester-bosch.co.uk...

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