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Bosch Therm 4000 S Installation And Operating Manual

Gas instantaneous water heaters
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Gas instantaneous water heaters
Therm 4000 S
GWH12/15/18 CTD E23/31 F6 O...
Installation and Operating Manual
Read installation manual prior to installation of this unit!
Read user manual before putting this unit in operation!
Observe the warnings in the manuals!
The installation room must fulfill the ventilation requirements!
Installation by an authorised person only!
6720813351-00.1V

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  Summary of Contents for Bosch Therm 4000 S

  • Page 1 6720813351-00.1V Gas instantaneous water heaters Therm 4000 S GWH12/15/18 CTD E23/31 F6 O... Installation and Operating Manual Read installation manual prior to installation of this unit! Read user manual before putting this unit in operation! Observe the warnings in the manuals!
  • Page 2: Table Of Contents

    Altitude of installation site region ..15 Remote control connection ... . 15 5.10 Commissioning of the appliance ..16 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 3: Key To Symbols And Safety Instructions

    “If the power supply cable is damaged, in ▶ Pay attention to the safety and warning notices. order to avoid risks it must be replaced by ▶ Pay attention to national and regional regulations, technical regulations and directives. Therm 4000 S 6 720 819 528 (2016/02)
  • Page 4 Open flue operation The installation room must be adequately ventilated if the appliance draws its combustion air from the room. ▶ Consult an authorised contractor to ensure the ventilation requirements are met: 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 5: Product Details

    Wobbe Index Gas type ) (15 °C) 20.2-21.3 kWh/m LPG group3R Table 4 Material attached • Gas instantaneous water heater • Fasteners • Appliance documentation • Remote control • Anti freeze kit Therm 4000 S 6 720 819 528 (2016/02)
  • Page 6: Dimensions And Minimum Clearances

    6 | Product details Dimensions and minimum clearances >10 >10 6720813351-01.1V Fig. 1 Dimensions (in mm) GWH12 GWH15 GWH18 Table 5 Dimensions (in mm) 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 7: Appliance Layout

    [21] Incoming gas pressure head [8] Hot water temperature sensor [22] Gas [9] Water outlet [10] Connecting lead with plug [11] Remote control [12] Combustion gas collector [13] Anti freeze kit [14] Ignition electrode Therm 4000 S 6 720 819 528 (2016/02)
  • Page 8: Electrical Wiring Diagram

    [4] Supply [13] Air temperature sensor of the box [5] Connection for anti freeze kit [14] Outgoing water temperature sensor [6] Connection for remote control [15] Incoming water temperature sensor [7] Electrovalve 1 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 9: 2.10 Specification

    GPL: Butane 45.65 MJ/kg (12.7 kWh/kg) - Propane 46.34 MJ/kg (12.9 kWh/kg) 2) Considering the effect of the dilation of the water, this value must not be exceeded 3) For nominal output Therm 4000 S 6 720 819 528 (2016/02)
  • Page 10: Operation Instructions

    Digital display - description 6720806146-03.1V Fig. 6 6720806146-02.1V Disconnect Fig. 5 Digital display ▶ Press the button [1] ON/OFF button [2] Programming button [3] LCD panel [4] Feed button [5] Return button 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 11: Temperature Control

    ▶ Shut off the cold water isolation valve on the cold water inlet off the appliance. ▶ Open a hot water tap. ▶ Remove the connection to the cold water inlet tube. ▶ Empty all the water contained inside the appliance. Therm 4000 S 6 720 819 528 (2016/02)
  • Page 12: Codes Of Errors In The Display

    For outgoing temperatures above 45 °C, we contractors) recommend the use of a de-scaling system. DANGER: Explosion! ▶ Always shut off the gas tap before any work on the gas pipe parts. 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 13: Important Notes

    They may be found in solvents, paints, adhesives, aerosol propellants and household cleaners, for example.. If these conditions cannot be guaranteed, a different site must be chosen for the air intake. Therm 4000 S 6 720 819 528 (2016/02)
  • Page 14: Fitting Wall-Mounting Bar

    ▶ Remove the packaging from the wall. ▶ Open the respective holes (Ø 8 mm). ▶ Fix the wall-mounting bar using the screws and plugs supplied. 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 15: Gas Connection

    ▶ Check that the supply tube is clean. ▶ Use the accessory door rubbers (supplied) and a tab to make the connection to the incoming gas of the appliance. Therm 4000 S 6 720 819 528 (2016/02)
  • Page 16: 5.10 Commissioning Of The Appliance

    When a hot water tap is turned on, the passage of water through the flow sensor (fig. 2, [12]) makes this send a signal to the control box. This signal causes the following: 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 17: Connecting The Power Cable

    ▶ Remove the front of the appliance (see page 20). The sealed components must not be broken. The appliances are supplied having been set in the factory for the values shown on the rating plate. Therm 4000 S 6 720 819 528 (2016/02)
  • Page 18: Adjusting The Maximum Flow (Parameter P1)

    ▶ Press for 3 seconds. The value flashes as a sign of confirmation. ▶ Press Display with indication "L1". ▶ Close the hot water tap. ▶ Press until the display shows "E". 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 19: Adjusting Pressure In The Burner (Parameter P0)

    10. ▶ Press for 3 seconds. ▶ Your appliance should only be attended to by a Bosch The value flashes as a sign of confirmation. Technical Assistance Centre. ▶ Press to come out of this function.
  • Page 20: Remove The

    ▶ Fit the combustion chamber using new joints. Burner ▶ Inspect the burner each year and clean it if necessary. If it is very dirty, (grease, soot): ▶ Dismantle the burner. 6 720 819 528 (2016/02) Therm 4000 S...
  • Page 21: Problems

    Natural gas appliance supplied with liquid gas. A flame is detected although the appliance is ▶ Check the electrodes and the cable. switched off. ▶ Check the printed circuit board. ▶ Press the reset button. Table 11 Therm 4000 S 6 720 819 528 (2016/02)
  • Page 22: Environment / Disposal

    Environment / disposal Environmental protection is a fundamental corporate strategy of the Bosch Group. The quality of our products, their efficiency and environmental safety are all of equal importance to us and all environmental protection legislation and regulations are strictly observed.
  • Page 23: Warranty Terms

    1685 Midrand South Africa Tel: +27 (0)11 651 9600 Bosch Gas Water Heaters have been thoroughly tested at the factory and fulfills all standards valid in the country. Robert Bosch (Pty) Ltd. provides warranty for this model and its components, for the period of 24 months from the date of the...
  • Page 24 6720819528...

This manual is also suitable for:

Gwh12Gwh15Gwh18