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Bosch Therm 6000 S Installation And Operating Instructions Manual

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Gas Water Heater
Therm 6000 S
Installation and operating instructions
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!

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  • Page 1 Gas Water Heater Therm 6000 S Installation and operating instructions 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!
  • Page 2: Table Of Contents

    2 | Index Index Key to symbols and safety instructions ..3 Admission / exhaustion accessories Key to symbols ..... . . 3 (accessory Ø...
  • Page 3: Key To Symbols And Safety Instructions

    Key to symbols and safety instructions | 3 If you smell combustion gases: Key to symbols and safety instructions ▶ Turn off the heater (page 11). ▶ Open doors and windows. Key to symbols ▶ Notify a gas fitter. Warnings Installation, modifications ▶...
  • Page 4: Technical Characteristics And Dimensions

    4 | Technical Characteristics and Dimensions Safety of electrical appliances for Explanation of Model Code domestic use and similar purposes The following requirements apply in GWH 24 accordance with EN 60335-1 in order to Table 3 prevent hazards from occurring when using [GWH] Gas water heater electrical appliances:...
  • Page 5: Dimensions

    Technical Characteristics and Dimensions | 5 – Code nº 7 709 003 732 • Wireless remote control to operate with the appliance • Anti-freeze kit – Code nº 7 709 003 756 – Code nº 7 709 003 709 • High temperature kit •...
  • Page 6: Appliance Overview

    6 | Technical Characteristics and Dimensions Appliance overview Fig. 2 [1] Admission accessory (not included) [11] Over heat prevention (temperature limiter) [2] Flue gas collector [12] Anti-freeze heat element [3] Heat exchanger [13] Observation window [4] Primary fan (Mixer) [14] Ignition electrodes [5] Hot water sensor [15] Backflow temperature sensor [6] Control unit...
  • Page 7: Electrical Diagram

    Technical Characteristics and Dimensions | 7 Electrical diagram T=90°C T=104°C T=110°C 6720608917-02.1AL Fig. 3 Electrical scheme [1] Intlet water temperature sensor [2] Outlet water temperature sensor [3] Backflow temperature sensor [4] Cascading output connection [5] Cascading input connection [6] Ionization sensor [7] Water flow sensor [8] Room sealed box temperature sensor [9] Heat exchanger overheat sensor (104 °C)
  • Page 8: Technical Data

    8 | Technical Characteristics and Dimensions Technical data Technical characteristics Symbol Units GWH 24 CTDE Power and flow Nominal useful power kW (Btu/h) 42,0 (143 310) Minimum useful power Pmin kW (Btu/h) 6,0 (20 475) Useful power (adjustment range) 6,0 - 42,0 Nominal thermal flow kW (Btu/h) 48,4 (165 295)
  • Page 9: 2.10 Operational Instructions

    Regulation | 9 2.10 Operational instructions Hot water ignition. In this case, if the attempts to ignite go on too long, the security Open the gas and water valves and ensure that all joints are mechanisms prevent operation. hermetic. Place the principle switch (Fig. 4, [1]) in the operating position Security cut-off due to excessive water heating (chapter 4.3), so that the appliance is quickly ready for use.
  • Page 10: Description Lcd Display

    10 | Operating instructions Description LCD Display CAUTION: ▶ Do not use any cleaning aggressive or corrosive agents to clean the window. Fig. 8 Locked condition indicator (only with remote control) Fig. 5 Power bar indicator (input) Fig. 9 Flame indicator 6720608920-31.1AL Fig.
  • Page 11: Before Operating The Appliance

    Operating instructions | 11 Before operating the appliance ▶ Press the until the desired value is obtained. CAUTION: ▶ The initial startup of the heater must be realized by a qualified technician, who will provide the client with all the information necessary for its correct usage.
  • Page 12: Registration Of Remote Control (Accessory No 7 709 003 756)

    12 | Operating instructions Registration of remote control (accessory no Remote control operation (accessory no 7 7 709 003 756) 709 003 756) Only a qualified technician is allowed to install the additional This appliance fulfills European directive requirements 1999/ PCB that is supplied with the remote.
  • Page 13: Program Button

    Operating instructions | 13 Program button The appliance does not have a designated default priority. Priority is attributed when the first user selects a temperature Program button can be used/programmed in the appliance and (see chapter 4.4). in the remote control. The following symbol appears for other users Programming "Program"...
  • Page 14: 4.11 Reset Button

    14 | Installation instructions 4.11 Reset button 4.12 Locked condition This condition is only valid for appliances with one or more This appliance has a error codes system. The remote controls installed. visualization of these codes is made through the LCD display. (Fig. 4, [4]). If the LCD shows the error symbol do not shut off power or unplug the heater.
  • Page 15: Important Remarks

    Installation instructions | 15 Important remarks ▶ Maximum seclusion of all salient parts such as hoses and pipes, etc. ▶ Before installation, consult the gas company and current ▶ Ensure adequate access for maintenance work, respecting legislation regarding gas appliance and site ventilation. the minimum distances indicated in Fig.
  • Page 16: Installation

    16 | Installation instructions ▶ Fix the fixing bracket to the wall using the screws and plugs ▶ Loosen the two Philips head screws located on bottom rear provided. of cover (Fig. 23). Fig. 23 Loosen the two screws 6720608913-05.1AL Fig.
  • Page 17: Water Connection

    Installation instructions | 17 When the installation is effected with non-metallic, flexible For ease of installation it is recommended tubes for use with bottled Butane, the following should be that the water be connected followed by the observed: rest of the connections. •...
  • Page 18: Installation Of The Exhaustion Accessory And Admission Of Air

    18 | Installation instructions Installation of the exhaustion accessory and 5.8.2 Installation of the exhaustion accessory Ø 80mm admission of air To install the accessory of the exhaustion accessory, proceed as follow; It is mandatory the installation of the ▶ Put the gasket between the appliance and the accessory accessories for the exhaustion / admission of (Fig.
  • Page 19: Admission / Exhaustion Accessories (Accessory Ø 80/80 Mm)

    Admission / exhaustion accessories (accessory Ø 80/80 mm) | 19 Admission / exhaustion accessories DANGER: Make sure that all flue connections are tighten sealed. (accessory Ø 80/80 mm) ▶ Failure to follow this requirement may cause dangerous exhaust gases to enter Admission/exhaustion accessories (diameter living space which may result causing in mm)
  • Page 20: Fitting Instructions

    20 | Admission / exhaustion accessories (accessory Ø 80/80 mm) Fitting instructions • The permissible maximum flue/air pipe length, Lmax, for the various possible flue configurations is specified in the tables starting on chapter 8.6. • If the concentric flue/air pipe enters a chimney below ground level, the appliance may register a fault and shut down in cold weather due to ice formation.
  • Page 21: Approved Flue Systems

    Admission / exhaustion accessories (accessory Ø 80/80 mm) | 21 Approved flue systems 6.4.1 Exhaustion type A Outdoor installation with accessory nº 7 709 003 732 Fig. 33 Ref. Description Minimum distance Installation next to window; Installation next to door; Installation near of any >...
  • Page 22 22 | Admission / exhaustion accessories (accessory Ø 80/80 mm) 6.4.2 Exhaustion type B Ø 135 mm est. Ø 80 mm Ø 80 mm Ø 80 / 125 mm Ø 80 mm Ø 80 mm 6720608948-11.1AL 6720608920-36.1AL Fig. 34 6.4.3 Exhaustion type C Ø...
  • Page 23 Admission / exhaustion accessories (accessory Ø 80/80 mm) | 23 6.4.4 Exhaustion type C Ø 135 mm est. Ø 80 / 125 mm Ø 80 mm Ø 80 mm 6720608920-29.1AL Fig. 36 6.4.5 Exhaustion type C Ø 80 mm Ø 80 mm 6720608920-30.1AL Fig.
  • Page 24: Electrical Connection

    24 | Electrical connection Electrical connection DANGER: Risk of electric shock! ▶ Always disconnect the power supply to the appliance at the mains before carrying out any work on the electrical systems and components. All regulation, verification and safety mechanisms have been rigorously tested in the factory and are ready for use.
  • Page 25: Installation Instructions

    Installation instructions | 25 ▶ Check the fuses in the printed circuit board, see Fig. 40, DANGER: [3]. ▶ The following operations must be carried out by a qualified technician. Measuring gas pressure Confirm gas pressure after installation. Connecting manometer ▶...
  • Page 26: Adjusting Co2 (Carbon Dioxide)

    26 | Installation instructions ▶ Press and hold "Program" button and press ON/OFF button CAUTION: to turn appliance ON (Fig. 42). One factor that may affect CO levels is improper gas pressure. ▶ Check and adjust gas pressure, see chapter 8.2. When the gas pressure is correct: ▶...
  • Page 27 Installation instructions | 27 Measuring CO (Combustion cover Installed): ▶ Verify CO readings in P2 mode. ▶ Open all hot water taps to achieve a flow rate of at least 15 l/m (1 tub and 2 sinks should be sufficient). If heater display reverts back to P2, open more hot water fixtures to allow sufficient flow.
  • Page 28 28 | Installation instructions ▶ Repeat steps 1 and 2 as necessary until CO values are within the specified ranges. As soon as the levels of CO are correct, verify the values of CO corresponds to the limits of the Table 10 . If the values exceed the limits, it is necessary to verify the ventilation system and heat exchanger.
  • Page 29: Program Values

    Installation instructions | 29 Program values CAUTION: Misadjusted program values This section describes details on programming the appliance. can lead to appliance malfunction, errors, For most applications the factory default values will provide and service calls. robust and stable operation. Program Description Factory default...
  • Page 30: Control Board Diagnostics

    30 | Installation instructions Control board diagnostics Diagnostic menu To access the diagnostic menu, proceed as follow: 3rd most recent error ▶ Press ON/OFF button to turn off the appliance. 4th most recent error ▶ Press and hold "Program" button and press ON/OFF 5th most recent error button to turn appliance ON.
  • Page 31: Fan Speed Adjustment

    Installation instructions | 31 Fan speed adjustment Exhaust Straight section length ___ x 1 = ________ After installing the appliance, the minimum power fan speed must be adjusted to 90° elbows (qty) ___x 1 = ________ compensate for variation in vent pipe length. 45°...
  • Page 32 32 | Installation instructions ▶ Press and hold ( 5 sec.) “Program” button until the Intake display flashes. Straight section length _4_ x 1= Selected value is memorized. 90° elbows (qty) _1_ x 1 = Fan speed for separate tubes Ø80/80 mm 45°...
  • Page 33: Maintenance

    Yellow burner flames are an indication of installation. improper combustion. Assure that the installation of the exhaustion conduct and of ▶ Your appliance must only be serviced by a Bosch Technical admission of air fulfil the manufacturer's Assistance delegate. requirements.
  • Page 34: Startup After Maintenance

    34 | Maintenance ▶ Remove the three screws from the control unit (Fig. 49 and Fig. 50, [2]). 6720608920-38.1Av Fig. 49 ▶ Remove the six screws from the back cover of the control unit, see Fig. 50, [2]. 6720608158-78.1AL Fig. 50 Fuses position ▶...
  • Page 35: Problem Solving

    Problem solving | 35 Problem solving 10.1 Problem/Cause/Solution To remove error code from the display, press the reset button. Display Cause Solution Fault in the flue gas limiter. 1. Check continuity of the flue gas limiter (normally closed). Temperature above 110 °C 2.
  • Page 36 36 | Problem solving Display Cause Solution (Flashing) Outlet temperature sensor not 1. Check that the sensor is firmly attached to the vertical section of the sensing expected output hot water pipe. temperature. (Status message, 2. Ensure that hot water sensor is not placed on any bends in the hot not an error).
  • Page 37 Problem solving | 37 Display Cause Solution Hot water temperature sensor 1. Check the correct position and fixation of the NTC sensor. (NTC) at the exit of the 2. Check the electric connections and connectors of the hot water appliance detect a high temperature sensor.
  • Page 38 38 | Problem solving Display Cause Solution No flame ionization detected 1. Verify that all manual gas shut off valves are open. with water flow. 2. Check gas type. 3. Check gas pressure. 4. Reset error code and open a water tap to cycle the heater in an effort to purge air.
  • Page 39: Functional Scheme

    Functional scheme | 39 Functional scheme IDLE Water flow > 0.5 gpm water tap See error code table (> 1.9 l/min) open? (see WF calc.) Fan speed = correct Ionization = off Appliance Temp. limiter = closed ready to start? Temp.
  • Page 40: Environmental Protection

    40 | Environmental protection Environmental protection Environmental protection is a basic strategy of our company. The quality of our products, profitability and environmental protection are equal-ranking goals for us. Laws and regulations concerning environmental protection are strictly observed. We use the best possible technology and materials, under economic considerations, to protect the environment.
  • Page 41: 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 42 42 | Notes 6 720 800 095 (2015/11) Therm 6000S...
  • Page 43 | 43 Notes Therm 6000S 6 720 800 095 (2015/11)
  • Page 44 6720800095 Bosch Thermotechnology South Africa Robert Bosch Pty (Ltd) 15th Road, Randjiespark 1685 Midrand SOUTH AFRICA...