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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 ill the ventilation requirements!
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...
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 –...
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...
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.
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.
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...
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.
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.
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.
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.
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!
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.
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.
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)
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. •...
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 >...
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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...
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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.
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.
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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)
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.
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.
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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.
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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.
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...
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.
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.
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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°...
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.
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.
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.
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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.
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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.
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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.
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.
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...
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