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Bosch Condens 5000 W Operating Instructions Manual
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Bosch Condens 5000 W Operating Instructions Manual

Hydronic gas condensing boiler
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See also: Instructions for Installation and Servicing
Operating Instructions
Hydronic Gas Condensing Boiler
Condens 5000 W
ZSB 30-2 A ...| ZWB 37-2 A ...

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Summary of Contents for Bosch Condens 5000 W

  • Page 1 Operating Instructions Hydronic Gas Condensing Boiler Condens 5000 W ZSB 30-2 A ...| ZWB 37-2 A ...

  • Page 2: Table Of Contents

    Carry out thermal disinfection ........32 Condens 5000 W – 6720644144 (2019/03)

  • Page 3: Explanation Of Symbols And Safety Instructions

    CAUTION indicates that minor to medium personal injury may occur. • NOTICE indicates that material damage may occur. Important information This symbol indicates important information where there is no risk to people or property. Condens 5000 W – 6720644144 (2019/03)

  • Page 4: General Safety Instructions

    The product may only be used for the heating of boiler water and for DHW heating. Any other use is considered inappropriate. We assume no liability for damage occurring due to non- permitted use. Condens 5000 W – 6720644144 (2019/03)
  • Page 5 Danger to life from poisoning by flue gas There is a danger to life from escaping flue gas. ▶ Never modify any parts through which flue gas is routed. Condens 5000 W – 6720644144 (2019/03)
  • Page 6 ▶ Have the heating system inspected and serviced regularly by an approved contractor. ▶ Use a CO detector, which gives an alarm in good time if CO escapes. ▶ If you suspect a CO leak: Condens 5000 W – 6720644144 (2019/03)
  • Page 7 ▶ Have the heat source cleaned at least every two years. ▶ We recommend that you enter into a contract covering an annual inspection and needs-based maintenance with an approved contractor. Condens 5000 W – 6720644144 (2019/03)
  • Page 8 ▶ Never cover or reduce the size of ventilation openings in doors, windows and walls. ▶ Consult a contractor to ensure that ventilation requirements are met: – If structural modifications are made (e.g. replacing windows and doors) Condens 5000 W – 6720644144 (2019/03)
  • Page 9 Condensate tube Condensate is produced in this wall mounted gas condensing boiler and removed via a condensate tube. Modification or blocking of the condensate tube is not permitted. Condens 5000 W – 6720644144 (2019/03)

  • Page 10: Product Details

    ZSB 30-2 A ZWB 37-2 A Table 2 Central heating appliance Cylinder connection DHW heating Condensing boiler technology Output up to 30 kW DHW output up to 37 kW Version Fan-assisted appliance without draught hood Condens 5000 W – 6720644144 (2019/03)

  • Page 11: Preparing The Appliance For Use

    ▶ Using a screwdriver, turn the square tap handle so that the slot is in line with the direction of flow. Slot at right-angles to direction of flow = off. 6 720 644 144-01 .1O Fig. 1 Condens 5000 W – 6720644144 (2019/03)

  • Page 12: Turn On The Isolators

    ▶ Using a screwdriver, turn the square tap handle so that the slot is in line with the direction of flow. Slot at right-angles to direction of flow = off. 6 720 644 143-02.1O Fig. 2 Condens 5000 W – 6720644144 (2019/03)

  • Page 13: Opening The Control Panel Cover

    Preparing the appliance for use Opening the control panel cover Fig. 3 Condens 5000 W – 6720644144 (2019/03)

  • Page 14: Check The Central Heating System Pressure

    Check the central heating system pressure The normal operating pressure is 1 - 2 bar. If a higher setting is required, you will be informed by your installer. 6 720 644 144-03.1O Fig. 4 Condens 5000 W – 6720644144 (2019/03)

  • Page 15: Top Up The Heating System

    CAUTION: Risk of damaging the appliance. ▶ Only top up the heating system when the appliance is cold. Maximum pressure of 3 bar at maximum heating water temperature must not be exceeded (safety valve will open). Condens 5000 W – 6720644144 (2019/03)

  • Page 16: Operation

    Therefore, please read the operating instructions for the heating controller used. Page 39 contains brief operation instructions. You can fold this outwards and push the operating instructions into the appliance facia for safekeeping. Condens 5000 W – 6720644144 (2019/03)
  • Page 17 Operation 6 720 613 086-04.1O Fig. 5 Condens 5000 W – 6720644144 (2019/03)

  • Page 18: Overview Of Controls

    Operation Overview of controls reset 6 720 644 144-04.1O Fig. 6 Condens 5000 W – 6720644144 (2019/03)
  • Page 19 [13] Drain from pressure relief valve (heating circuit) [14] Gas tap [15] CH return isolator [16] Filling loop (ZWB) [17] Cold water tap (ZWB), cylinder return (ZSB) [18] DHW connection (ZWB), cylinder flow (ZSB) [19] CH flow isolator [20] Condensate hose Condens 5000 W – 6720644144 (2019/03)

  • Page 20: Switching The Appliance On/Off

    ▶ Switch appliance off at the main switch. The display goes out. ▶ If the appliance is to be switched off for a longer period of time: observe correct frost protection procedures ( Section 4.8). Condens 5000 W – 6720644144 (2019/03)

  • Page 21: Starting The Central Heating

    Approx. 60 °C Approx. 67 °C Approx. 75 °C Radiator heating system max. Approx. 90 °C Convector heating system Table 3 With underfloor heating systems, take care to observe the maximum permissible CH flow temperatures. Condens 5000 W – 6720644144 (2019/03)
  • Page 22 Operation ▶ Turn flow temperature controller to adjust the maximum flow temperature. reset 6 720 644 143-27.1O Fig. 8 When the burner is firing, the green indicator lamp lights up. Condens 5000 W – 6720644144 (2019/03)

  • Page 23: Setting The Heating Control Unit

    ▶ how to set the operating mode and the heating curve for weather-dependent controllers, ▶ how to adjust the room temperature, ▶ how to heat economically and save energy. 6 720 612 660-07.2O Fig. 9 Condens 5000 W – 6720644144 (2019/03)

  • Page 24: Appliances With Hot Water Cylinder: Setting The Hot Water Temperature

    The set DHW temperature flashes on the display for 30 seconds. reset 6 720 644 143-28.1O Fig. 10 To prevent bacterial contamination such as legionella, we recommend setting the DHW temperature controller to “6” (60 °C). Condens 5000 W – 6720644144 (2019/03)
  • Page 25 Then the appliance switches to central heating mode. Economy mode, Eco button lit In Economy mode, the appliance switches between central heating mode and hot water mode every ten minutes. Condens 5000 W – 6720644144 (2019/03)

  • Page 26: Zwb Appliances - Setting Hot Water Temperature

    The appliance is held constantly at the set temperature. This means that hot water is available almost instantaneously at the tap. Consequently the appliance will switch on at intervals, even if no hot water is being drawn. Condens 5000 W – 6720644144 (2019/03)
  • Page 27 Briefly turning a hot water tap on and then off signals demand so that the water is then heated up to the set temperature. The demand signal enables gas and water savings. Condens 5000 W – 6720644144 (2019/03)

  • Page 28: Summer Mode (Central Heating Off, Dhw Only)

    However, the DHW supply as well as the power supply to the heating programmer and timer remain 'live'. reset 6 720 644 143-30.1O Fig. 12 NOTICE: Heating system at risk from frost. Additional instructions are contained in the operating instructions for the heating programmer. Condens 5000 W – 6720644144 (2019/03)

  • Page 29: Frost Protection

    Additional instructions are contained in the operating instructions for the heating programmer. Frost protection for the cylinder: ▶ Turn DHW temperature controller clockwise as far as it will go (5 °C). 6 720 644 143-32.1O Fig. 14 Condens 5000 W – 6720644144 (2019/03)

  • Page 30: Holiday Mode

    ▶ Press and hold holiday button on the appliance until it goes out, and cancel holiday mode on the heating controller. The appliance returns to operation in standard mode according to the settings at the heating control unit. Condens 5000 W – 6720644144 (2019/03)

  • Page 31: 4.10 Further Displays

    Excessively rapid increase in CH flow temperature (temp. gradient monitoring). Heating mode is disabled for two minutes. Drying function. If the floor drying function is activated on the weather- dependent controller, refer to controller instructions. Table 6 Condens 5000 W – 6720644144 (2019/03)

  • Page 32: Carry Out Thermal Disinfection

    ▶ Warn occupants of risk of scalding. ▶ If the heating programmer has a DHW program, set the time and DHW temperature accordingly. ▶ If there is a circulation pump, set it to run continuously. Condens 5000 W – 6720644144 (2019/03)
  • Page 33 If you want to interrupt thermal disinfection: ▶ Switch the appliance off and then on again at the main switch. The appliance will start up again and the central heating flow temperature will be displayed. Condens 5000 W – 6720644144 (2019/03)

  • Page 34: Tips On Saving Energy

    Heating control system Additional instructions are contained in the operating instructions for the heating controller. Condens 5000 W – 6720644144 (2019/03)
  • Page 35 (e.g. longer heating-up times or lower output). Circulation pump If there is a circulation pump for hot water, use a timer programme to control its operation according to the specific requirements (e.g. morning, afternoon, evening). Condens 5000 W – 6720644144 (2019/03)

  • Page 36: Troubleshooting

    If the fault persists: ▶ Contact your authorised contractor or customer service for assistance, providing details of the fault and the appliance. An overview of the display indications can be found on page 31. Condens 5000 W – 6720644144 (2019/03)

  • Page 37: Maintenance

    If you need to call Customer Services, it is helpful if you have the precise details of your appliance at hand. Those details can be found on the identification plate or identification sticker inside the control panel cover. Condens 5000 W (e. g. ZWB 37-2A...)............... Serial number....................Date commissioned: ..................System installed by: ..................

  • Page 38: Environment / Disposal

    Environment / disposal Environment / disposal Environmental protection is a fundamental corporate strategy of 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 39: Operating Instructions Quick Reference

    Domestic hot water temperature WARNING: Risk of scalding ▶ Do not set the temperature control to more than “e”. Condens 5000 W – 6720644144 (2019/03)

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