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Bosch Therm 4000 S Installation And Operating Instructions Manual

Balanced flue gas instantaneous water heater
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Installation and operating instructions
Balanced flue gas instantaneous water heater
Therm 4000 S
GWH 12 CTD E.. F5..

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  Summary of Contents for Bosch Therm 4000 S

  • Page 1 Installation and operating instructions Balanced flue gas instantaneous water heater Therm 4000 S GWH 12 CTD E.. F5..
  • Page 2: Table Of Contents

    Water connection ....19 Gas connection ..... . 20 Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 3: Key To Symbols And Safety Instructions

    ▶ Read and retain the operating Intended use instructions (device, heating The device may only be used for DHW controller, etc.) prior to operation. heating for domestic use or for similar ▶ Read the installation instructions Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 4 If there is approval draws its combustion air from the room. for this, the contractor must specify a catalogue of maintenance ▶ Never cover or reduce the size of Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 5: Product Details

    Product details GWH devices are for DHW heating. They can be started up by simply pressing a key. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 6: Intended Use

    • Gas conversion kits [S...] Special number • Flue accessories Test gas details with code number and gas category in • Frost protection accessories accordance with EN 437: • Remote control. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 7: Dimensions And Minimum Clearances

    Dimensions and minimum clearances Fig. 1 Dimensions (in mm) Connection Water Cold water Domestic hot Natural gas GWH 12... ¾ “ ½ “ ½ “ ½ “ Table 5 Dimensions (in mm) Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 8: Layout Of Device

    [10] Hot water temperature sensor [11] DHW outlet [12] Connecting lead with plug [13] Combustion air test port [14] Flue gas collector [15] Ignition electrode [16] Test port for gas pressure in the burner Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 9: Wiring Diagram

    [13] Air temperature sensor in the casing [5] Connection for frost protection accessories [14] Hot water temperature sensor [6] Connection for remote control [15] Cold water temperature sensor [7] Solenoid valve 1 Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 10: Technical Specifications

    Butan 45,65 MJ/kg (12,7 kWh/kg) - Propan 46,34 MJ/kg (12,9 kWh/kg) °C 2) G25: Category E(S), ESi 3) Allowing for water expansion, this value must not be exceeded. 4) At rated heat output Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 11: Product Data On Energy Consumption

    Daily electricity consumption (average climate conditions) 0,068 0,068 elec Annual fuel consumption Daily fuel consumption 8,439 8,439 fuel Smart control enabled? – – Thermostat temperature (factory setting) °C Table 7 Product data on energy consumption Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 12: Flue Accessories

    [B] Temperature of the suction air -10°C -5°C 0°C 5°C 10°C 15°C 20°C 25°C 6720809968-04.3V Fig. 4 Concentric pipes [A] Running length of the flue [B] Temperature of the suction air Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 13: Vertical Flue Gas Routing

    Maximum lengths (Lmax) Lmax Lmax Concentric pipes Separate pipes Concentric pipes Separate pipes GWH12 12 m 15 m + 15 m GWH12 10 m 15 m + 15 m Table 10 Table 11 Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 14: Operating Instructions

    Fig. 8 ▶ Open the water tap on the system. If the temperature is set to the lowest possible value in line with the particular requirement, the energy and water consumption Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 15: Program Key

    The display shows the previously saved temperature. This is now the selected temperature. ▶ Hold down the key for 3 seconds. Cleaning the casing of the device ▶ If required, clean the casing with a damp cloth. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 16: Regulations

    The water parameters, which have an effect on after installation or after maintenance work. limescale, must generally comply with the values given in Tab. 12. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 17: Selecting The Installation Location

    The air grille for the air suction must be located in a well ventilated room. Keep the supply of combustion air free of corrosive substances to prevent corrosion. Corrosive substances include halogenated hydrocarbons which contain chlorine and fluoride compounds. These could Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 18: Fitting The Wall Mounting Bracket

    Beside a window 6720804089-12.1V Below an air inlet or outlet opening Fig. 14 Mounting template Beside an air inlet or outlet opening ▶ Remove the mounting template from the wall. Table 15 Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 19: Installing The Device

    ▶ We recommend the installation of a non-return component upstream of the instantaneous water heater to prevent faults resulting from sudden pressure fluctuations in the water supply. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 20: Gas Connection

    ▶ After the pipework has been connected, it must always be ensured after checking that there are no leaks. • It must have sufficient clearance to heat sources; • It must not be kinked or twisted; Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 21: Altitude Of Installation Location

    500 m - 1 000 m 1 000 m - 1 500 m 1 500 m - 2 000 m 2 000 m - 2 500 m > 2500 m Table 16 Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 22: Electrical Connection

    ▶ Release the power cable from the terminals on the control device. ▶ Remove the power cable and replace it with a new one. ▶ Attach the casing of the device. ▶ Check the proper function. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 23: Service Mode

    ▶ Hold down for 3 seconds. The value flashes as confirmation. ▶ Press the key. The display shows "L1". ▶ Close the hot water tap. ▶ Press until the display shows "E". Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 24: Setting The Minimum Gas Volume (Parameter P2)

    ▶ Press the key. (mbar) - P0 The display shows "E". Table 17 Burner pressure ▶ Press the key, until the display shows "rP". ▶ Press the key. The display shows "P1". Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 25: Converting Gas Type

    ▶ Carry out an annual inspection of the burner and clean it if required. ▶ Pull the fascia (Fig. 21, [1]) slightly forwards to remove it from the device. In the case of heavy contamination (grease, soot): ▶ Remove the burner. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 26: Replacing The Fuses (Control Device)

    ▶ Make a visual inspection of the maintenance intervals to the following elements: – Electrical contact of security sensor – Fan – Gas valve – Combustion chamber In case of corrosion visible: Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 27: Faults

    Thermal fuse. ▶ Call an approved contractor. No flame is detected. ▶ Check the gas supply pressure, power supply, ignition electrode and ionising electrode. ▶ Press the Reset button. Table 18 Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 28: Environmental Protection/Disposal

    Laws and requirements aimed at protecting the environment are strictly observed. In order to protect the environment, we use the best possible technology and materials within the constraints of economic considerations. Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 29 Notes Therm 4000 S – 6 720 815 298 (2017/05)
  • Page 30 Bosch Thermotechnik GmbH Junkersstrasse 20-24 D-73249 Wernau www.bosch-thermotechnology.com...

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