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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 fulf
Installation by an authorised person only!
ill the ventilation requirements!



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  Summary of Contents for Bosch Therm 6000 S

  • 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 fulf ill the ventilation requirements!
  • Page 2: Table Of Contents

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

    Key to symbols and safety instructions | 3 authorised technician. Key to symbols and safety If you smell combustion gases: instructions Turn o the heater (page 11). Open doors and windows. 1.1 Key to symbols Notify a gas tter. Warnings Installation, modi cations The installation may only be carried out by registered Warnings in this document are identi ed by...
  • Page 4: Technical Characteristics And Dimensions

    4 | Technical Characteristics and Dimensions • Modulating water valve: Technical Characteristics and – Cold water temperature sensor Dimensions – Water ow sensor • Hot water temperature sensor • Safety devices: 2.1 Declaration of conformity with relevant EEC – Flame failure device (ionization ame rod sensor) regulations –...
  • Page 5: Dimensions

    Technical Characteristics and Dimensions | 5 2.6 Dimensions Fig. 1 [1] Front cover [2] Key pad [3] Cold water inlet: Ø ¾ “ [4] Gas connection: Ø ¾ “ [5] Hot water outlet: Ø ¾ “ [6] Support bracket Therm 6000S 6 720 800 095 (2014/05)
  • Page 6: Appliance Overview

    6 | Technical Characteristics and Dimensions 2.7 Appliance overview 6720608920-03.1AL Fig. 2 [1] Admission accessory (not included) [10] Over heat prevention (temperature limiter) [2] Flue gas collector [11] Observation window [3] Heat exchanger [12] Ignition electrodes [4] Primary fan (Mixer) [13] Back ow temperature sensor [5] Control unit [14] Ionization sensor...
  • Page 7: Electrical Diagram

    Technical Characteristics and Dimensions | 7 2.8 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] Back ow temperature sensor [4] Cascading output connection [5] Cascading input connection [6] Ionization sensor [7] Water ow sensor [8] Room sealed box temperature sensor...
  • Page 8: Technical Data

    8 | Technical Characteristics and Dimensions 2.9 Technical data Technical characteristics Symbol Units GWH 24 CTDE Power and ow kW (Btu/h) 42,0 (143 310) i n i kW (Btu/h) 6,0 (20 475) Useful power (adjustment range) 6,0 - 42,0 o l f kW (Btu/h) 48,4 (165 295) i n i...
  • Page 9: Operational Instructions

    Regulation | 9 2.10 Operational instructions Hot water In this case, if the attempts to ig nite go on too long, the security mechanisms prevent operation. Open the gas and water valves an d ensure that all joints are hermetic. Security cut-o due to excessive water heating Place the principle switch (Fig.
  • Page 10: Description Lcd Display

    10 | Operating instructions 4.1 Description LCD Display CAUTION: Do not use any cleaning aggressive or corrosive agents to clean the window. Fig. 9 Flame indicator Fig. 5 Power bar indicator (input) Fig. 10 Solar mode indicator 6720608920-31.1AL Fig. 6 Temperature indicator Fig.
  • Page 11: Connect And Disconnect The Appliance

    Operating instructions | 11 Open water valve. Once the desired temperature is set, open the hot water tap. These appliance has an electronically Check for water leaks at all joints. controlled gas valve that modulates the burner input in response to both varying hot water ow rates and/or changes in any incoming and outgoing water 4.3 Connect and disconnect the appliance...
  • Page 12: Registration Of Remote Control (Accessory No 7 709 003 756)

    12 | Operating instructions 4.6 Registration of remote control (accessory no 7 4.7 Remote control operation (accessory no 7 709 709 003 756) 003 756) Only a quali ed technician is al lowed to install the additional This appliance ful lls European directive requirements 1999/ PCB that is supplied with the re mote.
  • Page 13: Program Button

    Operating instructions | 13 4.8 Program button The appliance does not have a designated default priority. Priority is attributed when the rst 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 The priority user may change the initial selection at any time.
  • Page 14: Reset Button

    14 | Installation instructions 4.11 Reset button 4.12 Locked condition This condition is only valid fo r appliances with one or more This appliance has a e rror codes system. The remote controls installed. visualization of these codes is made through the LCD display.
  • Page 15: Important Remarks

    Installation instructions | 15 5.1 Important remarks Surface Temperature The maximum surface temperatur e of the appliance is below Before installation, consult the gas company and current 85 °C. Special protection measures are not required for legislation regarding gas appl iance and site ventilation.
  • Page 16: Installation

    16 | Installation instructions Fix the xing 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. 22 Fix the xing bracket 5.5 Installation CAUTION: Possibility of damage caused by foreign bodies!
  • Page 17: Water Connection

    Installation instructions | 17 When the installation is e ect ed with non-metallic, exible For ease of installation it is recommended tubes for use with bottled Buta ne, 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 5.8 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

    Admission / exhaustion accessories (accessory Ø 80/80 mm) | 19 Admission / exhaustion accessories DANGER: Make sure that all ue connections are tighten sealed. (accessory Ø 80/80 mm) Failure to follow this requirement may cause dangerous exhaust gases to enter 6.1 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) 6.2 Fitting instructions • The permissible maximum ue/a ir pipe length, Lmax, for the various possible ue con guratio ns is speci ed in the tables starting on chapter 8.6. •...
  • Page 21: Approved Ue Systems

    Admission / exhaustion accessories (accessory Ø 80/80 mm) | 21 6.4 Approved ue 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, veri cation and safety mechanisms have been rigorously tested in the factory and are ready for use.
  • Page 25 Electrical connection | 25 Check the fuses in the printe d circuit board, see Fig. 40, [3]. 6720608158-78.1AL Fig. 40 Fuses position After checking the fuses, rein stall all parts in reverse order (Fig. 40, [3]). Therm 6000S 6 720 800 095 (2014/05)
  • Page 26: Installation Instructions

    26 | Installation instructions Installation instructions 8.1 Factory regulations Loosen screw inside left test point tting (do not remove) and connect manometer tube to test point. Sealed parts must not be interfered with. Natural gas Heaters designed for Natural gas H (G 20) are factory sealed for delivery after the values on the characteristics panel have been checked.
  • Page 27: Adjusting Co (Carbon Dioxide)

    Installation instructions | 27 Press and hold "Program" button and press ON/OFF button CAUTION: to turn appliance ON (Fig. 42). One factor that may a ect CO levels is improper gas pressure. Check and adjust gas pressure, see chapter 8.2. When the gas pressure is correct: Press ON/OFF button to turn o the appliance.
  • Page 28 28 | Installation instructions Measuring CO (Combustion cover Installed): Verify CO readings in P2 mode. Open all hot water taps to achiev e a ow rate of at least 15 l/ m (1 tub and 2 sinks should be su cient). If heater display reverts back to P2, open more hot water xtures to allow su cient ow.
  • Page 29 Installation instructions | 29 Repeat steps 1 and 2 as necessary until CO values are within the speci ed 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 necess ary to verify the ventilation system and heat exchanger.
  • Page 30: Program Values

    30 | Installation instructions 8.4 Program values CAUTION: Misadjusted program values This section describes details on programming the appliance. can lead to appliance malfunction, errors, For most applications the fact ory default values will provide and service calls. robust and stable operation. Program Description Factory default Comment...
  • Page 31: Control Board Diagnostics

    Installation instructions | 31 8.5 Control board diagnostics Diagnostic menu To access the diagnostic menu, proceed as follow: 3rd most recent error Press ON/OFF button to turn o 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 32: Fan Speed Adjustment

    32 | Installation instructions 8.6 Fan speed adjustment Exhaust Straight section length ___ x 1 = ________ After installing the appliance, the minimum 90° elbows (qty) ___x 1 = ________ power fan speed must be adjusted to 45° elbows (qty) ___x 0.5 = ________ compensate for variation in vent pipe length.
  • Page 33 Installation instructions | 33 Fan speed for separate tubes Ø80/80 mm Intake Straight section length _4_ x 1= Mode Conduct length Fan speed 90° elbows (qty) _1_ x 1 = 45° elbows (qty) _0_ x 0.5 = From 1 m until 6 m 30°...
  • Page 34: Maintenance

    Yellow burner ames are an indication of improper combustion. Assure that the Your appliance must only be serviced by a Bosch Technical installation of the exhaustion conduct and of Assistance delegate. admission of air ful l the manufacturer's Use only genuine accessories.
  • Page 35: Startup After Maintenance

    Maintenance | 35 Remove the three screws from the control unit (Fig. 49 and Fig. 50, [2]). 6720608920-38.1Av Fig. 49 Remove the six screws from th e back cover of the control unit, see Fig. 50, [2]. 6720608158-78.1AL Fig. 50 Fuses position After checking the fuses, rein stall all parts in reverse order.
  • Page 36: Problem Solving

    36 | Problem solving 10 Problem solving 10.1 Problem/Cause/Solution To remove error code from the display, press the reset button. Display Cause Solution Fault in the ue gas limiter. 1. Check continuity of the ue gas limiter (normally closed). Temperature above 110 °C 2.
  • Page 37 Problem solving | 37 Display Cause Solution (Flashing) Outlet temperature sensor not 1. Check that the sensor is rmly at tached 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) water pipe or misreading may occur.
  • Page 38 38 | Problem solving Display Cause Solution Hot water temperature sensor 1. Check the correct position and xation 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 39 Problem solving | 39 Display Cause Solution No ame ionization detected 1. Verify that all manual ga s shut o valves are open. with water ow. 2. Check gas type. 3. Check gas pressure. 4. Reset error code and open a water tap to cycle the heater in an e ort to purge air.
  • Page 40: Functional Scheme

    40 | Functional scheme 11 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 41: Environmental Protection

    Environmental protection | 41 12 Environmental protection Environmental protection is a basic strategy of our company. The quality of our products, pro tability and environmental protection are equal-ranking goal s for us. Laws and regulations concerning environmental protecti on are strictly observed. We use the best possible technology and materials, under economic considerations, to protect the environment.
  • Page 42: Warranty Terms

    Robert Bosch (Pty) Ltd. provides warranty for this model and its components, for the period of 24 months from the date of the invoice, for any factory or mate...
  • Page 43 | 43 Notes Therm 6000S 6 720 800 095 (2014/05)
  • Page 44 6720800095 Give It Gas - operates solely as an ONLINE BUSINESS Tel: (011) 646 9439 Cell: (082) 452 4488 Email: