Bosch Gaz 6000 W Installation And Maintenance Instructions Manual
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Bosch Gaz 6000 W Installation And Maintenance Instructions Manual

Wall mounted gas boiler
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Installation and maintenance instructions for the contractor
Wall mounted gas boiler
Gaz 6000 W
WBN 6000-24/28 /35 CR/HR N/L

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Summary of Contents for Bosch Gaz 6000 W

  • Page 1 Installation and maintenance instructions for the contractor Wall mounted gas boiler Gaz 6000 W WBN 6000-24/28 /35 CR/HR N/L...

  • Page 2: Table Of Contents

    18 Appendix ......... . . 42 Setting summer mode ......23 Gaz 6000 W – 6720866247 (2019/07)
  • Page 3 18.4.2 DHW temperature sensor......47 18.5 Setting values for central heating/DHW output ..48 Gaz 6000 W – 6720866247 (2019/07)

  • Page 4: Explanation Of Symbols And Safety Instructions

    H Danger to life from poisoning by flue gas There is a danger to life from escaping flue gas. ▶ Ensure that flues and gaskets are not damaged. Gaz 6000 W – 6720866247 (2019/07)
  • Page 5 Before starting electrical work: ▶ Isolate all poles of the mains voltage and secure against reconnection. ▶ Make sure the mains voltage is disconnected. ▶ Observe the wiring diagrams of other system components as well. Gaz 6000 W – 6720866247 (2019/07)

  • Page 6: Product Information

    You can ask for a copy of the declaration of conformity for this product. WBN 6000-35 HR N Tunisia 7 736 902 012 For this see the contact address on the back cover of these instructions. Table 2 Overview of types Gaz 6000 W – 6720866247 (2019/07)

  • Page 7: Dimensions And Minimum Clearances

    90° Ø 80 mm Ø 80/80 mm Separate pipe connection Ø 80/80 mm, vertical condensate drain Ø 80 mm, elbow 90° Ø 80 mm Table 4 Clearance A depending on the flue accessories for horizontal flue pipe Gaz 6000 W – 6720866247 (2019/07)
  • Page 8 Separate pipe connection Ø 80/80 mm Ø 80/80 mm ≥ 290 Separate pipe connection Ø 80/80 mm, vertical condensate drain Ø 80 mm Table 5 Clearance B depending on the flue accessories for vertical flue pipe Gaz 6000 W – 6720866247 (2019/07)

  • Page 9: Product Overview

    [25] Pressure relief valve (cold water) (WBN 6000-.. CR) [11] Pressure gauge [26] Flow meter (turbine) (WBN 6000-.. CR) [12] Control device [13] Filling device (WBN 6000-.. CR) [14] Plate heat exchanger for Combi boilers (WBN 6000-.. CR) [15] Data plate Gaz 6000 W – 6720866247 (2019/07)

  • Page 10: Regulations For Gas Systems

    The document 6720807972 contains information about the applicable regulations. You can use the document search on our website to display this. You will find the address of the website on the back of these instructions. Gaz 6000 W – 6720866247 (2019/07)

  • Page 11: Flue Gas Routing

    ▶ Before installing the flue accessories: Grease gaskets on the female connections with solvent-free grease (e.g. petroleum jelly). ▶ If installing the flue/combustion air pipe, always push the flue accessories as far as possible into the female connections. Gaz 6000 W – 6720866247 (2019/07)

  • Page 12: Selecting The Fan Stage

    12 – 15 WBN 6000-35 ≤ 2 WBN 6000-28 ≤ 2 2 – 5 2 – 5 5 – 9 5 – 9 9 – 12 9 – 15 Table 8 B vertical flue gas routing Gaz 6000 W – 6720866247 (2019/07)

  • Page 13: C12, C42 Horizontal Flue Gas Routing With Concentric Pipe

    WBN 6000-35 ≤ 4 ≤ 2 4 – 10 2 – 5 10 – 18 5 – 9 18 – 25 9 – 12.5 Table 10 C horizontal flue gas routing with separate pipe Gaz 6000 W – 6720866247 (2019/07)

  • Page 14: C32 Vertical Flue Gas Routing With Concentric Pipe

    ≤ 1.5 1.5 – 2.5 2.5 – 5 5 – 8 WBN 6000-35 ≤ 1.5 1.5 – 2.5 2.5 – 5 5 – 7 Table 11 C vertical flue gas routing with concentric pipe Gaz 6000 W – 6720866247 (2019/07)
  • Page 15 WBN 6000-35 ≤ 4 ≤ 2 4 – 10 2 – 5 10 – 18 5 – 9 18 – 25 9 – 12.5 Table 12 C vertical flue gas routing with separate pipe Gaz 6000 W – 6720866247 (2019/07)

  • Page 16: Installation

    As specified by the manufacturer Table 15 Permissible corrosion inhibitors Sealant In our experience, the addition of sealants to the heating water can cause problems (deposits in the heat exchanger). We therefore advise against their use. Gaz 6000 W – 6720866247 (2019/07)

  • Page 17: Checking The Size Of The Expansion Vessel

    Fig. 14 Mounting the appliance on the screw hooks ▶ If results are borderline: determine precise vessel size. ▶ If the intersection is on the right beside the curve: install an additional expansion vessel. Gaz 6000 W – 6720866247 (2019/07)

  • Page 18: Filling The System And Checking For Tightness

    ▶ Refill the heating system to 1 to 2 bar and then close the fill and drain valve again. ▶ Check the joints for leaks (test pressure: max. 2.5 bar at the pressure gauge). 1) Accessories 2) ACCESSORIES Gaz 6000 W – 6720866247 (2019/07)
  • Page 19 Checking the gas line for tightness ▶ Close the gas isolator to protect the gas valve against damage from excess pressure. ▶ Check all joints for tightness (test pressure: max. 150 mbar). ▶ Depressurise the system. Gaz 6000 W – 6720866247 (2019/07)

  • Page 20: Electrical Connection

    Suitable cable Inside safety zones 1 and 2 NYM-I 3 × 1.5 mm Outside safety zones 1 and 2 HO5VV-F 3 × 1.0 mm HO5VV-F 3 × 0.75 mm Table 16 Suitable main power cord Gaz 6000 W – 6720866247 (2019/07)

  • Page 21: Control Device Terminals

    Connecting a cylinder temperature sensor (WBN 6000-.. HR only) NOTICE: ▶ Bosch Connect the cylinder along with the cylinder temperature sensor directly to the terminals. Leftover pieces of cable can damage the control device. ▶ Always strip cables away from the control device.

  • Page 22: Commissioning

    Burner operation (Symbol appears) Summer mode Error display approx. 75 °C Radiator heating system Heating mode approx. 82 °C Convector heating system DHW heating Service mode Table 17 Maximum flow temperature Temperature display (in °C) Gaz 6000 W – 6720866247 (2019/07)

  • Page 23: Setting The Dhw Heating

    Observe the operating instructions for the heating controller used. These will show you: ▶ how to set the room temperature. ▶ how to heat economically and save energy. The Bosch TRZ200, CR10, CR50 OpenTherm controllers (programmable heating controllers) can be used. Gaz 6000 W – 6720866247 (2019/07)

  • Page 24: Shutdown

    ▶ Set the maximum flow temperature to at least 40 °C (Section 7.4). -or- If you want to leave the device switched off: ▶ mix Bosch-approved anti-freeze into the heating water ( Tab., page 16) and drain the DHW circuit.

  • Page 25: Thermal Disinfection (Wbn 6000

    2500 V / l/h Fig. 26 Heating pump curve (appliance output = 35 kW) Pump curve at speed 1 Pump curve at speed 2 Pump curve at speed 3 (default setting) Residual head Flowrate Gaz 6000 W – 6720866247 (2019/07)

  • Page 26: Settings In The Service Menu

    The appliance returns to standard operation. Opening the menu The description is before the overview tables of the individual menus. Documenting the settings ▶ Record the change the settings in the commissioning report ( Section 18.1). Gaz 6000 W – 6720866247 (2019/07)

  • Page 27: Service Functions Overview

    • 00: Switched off • 01: Switched on 1.7C Minimum DHW flow rate • 2.5 … 5 litres per minute DHW heating is activated, if amounts above this value are drawn off. Table 18 Menu 1 Gaz 6000 W – 6720866247 (2019/07)

  • Page 28: Menu 2

    Set the heating mode delay in accordance with system conditions. 2.dd Ignition ramp offset • 00 … 30 mA Gaz 6000 W – 6720866247 (2019/07)

  • Page 29: Menu 3

    To restore all values from service levels 1 and 2 to their default settings: ▶ Select service function 2.8E in the second service menu and save value 1. The appliance starts in the default setting. Gaz 6000 W – 6720866247 (2019/07)

  • Page 30: Check Gas Setting

    ▶ Make the gas setting after every conversion ( sec. 12.2). 0 010 005 983-001 Fig. 28 Gas valve Burner pressure test nipple Adjusting screw, maximum gas volume Cover Adjusting screw, minimum gas volume Test nipple for gas supply pressure Gaz 6000 W – 6720866247 (2019/07)

  • Page 31: Burner Pressure Adjustment

    ( Chapter 11.2, from page 27) or press the back key ▶ Switch off the appliance, close the gas isolator, remove the pressure gauge and tighten the sealing screw. ▶ Reattach the cover and seal it ( Fig. 28, [3]). Gaz 6000 W – 6720866247 (2019/07)

  • Page 32: Flue Gas Test

    ▶ Select service function 1.2F and set operating mode 0 ( Chapter 11.2, from page 27) or key ▶ Switch off the appliance. ▶ Remove the flue gas probe. ▶ Replace the plug. Gaz 6000 W – 6720866247 (2019/07)

  • Page 33: Environmental Protection And Disposal

    Used appliances contain valuable materials that can be recycled. The various assemblies can be easily dismantled. Synthetic materials are marked accordingly. Assemblies can therefore be sorted by composition and passed on for recycling or disposal. Gaz 6000 W – 6720866247 (2019/07)

  • Page 34: Inspection And Maintenance

    ▶ Make residents aware of the risk of scalding prior to activating the chimney sweep mode or a thermal disinfection. ▶ Carry out thermal disinfection outside the normal hours of use. ▶ Do not change the maximum domestic hot water temperature set. Gaz 6000 W – 6720866247 (2019/07)

  • Page 35: Description Of Various Workflow Steps

    1. Remove the clip. 2. Pull out the insert. 3. Check filter for contamination. 0 010 005 986-001 Fig. 30 0 010 005 988-001 Fig. 32 Checking the filter in the cold water pipe Gaz 6000 W – 6720866247 (2019/07)

  • Page 36: Clean Burner Body, Nozzle And Burner

    1 bar and 2 bar again. ▶ If pressure is not being maintained: check expansion vessel and heating system for leaks. 0 010 005 990-001 Fig. 34 Nozzle holder Half burners Gas valve Nozzle Gaz 6000 W – 6720866247 (2019/07)

  • Page 37: Checking Electrical Wiring

    2. Lever out the DHW temperature sensor from below using a screwdriver. 3. Disconnect the connector at the temperature sensor. 0 010 005 993-001 Fig. 37 0 010 005 992-001 Fig. 36 Removing the DHW temperature sensor Gaz 6000 W – 6720866247 (2019/07)

  • Page 38: Checklist For Inspection And Maintenance

    Check the charge pressure of the heating system. Check the electrical wiring for damage. Check the heating controller settings. Check the set service functions. Table 24 Gaz 6000 W – 6720866247 (2019/07)

  • Page 39: Readings On The Display

    An overview of the faults and displays can be found on the following pages. If a fault persists: ▶ Check the circuit board, replace it if required and reset the service functions. Gaz 6000 W – 6720866247 (2019/07)

  • Page 40: Faults That Are Shown On The Display

    Key was held down for too long by mistake (over ▶ Press the key for 3 seconds. 30 secs.). Appliance type not defined. ▶ Set the appliance type ( service function 3.1A). Fan stage not set. ▶ Set the fan stage. Table 27 Gaz 6000 W – 6720866247 (2019/07)

  • Page 41: Faults That Are Not Shown On The Display

    ▶ Check appliance type and gas type; see service function 2.0A. not reached ▶ Check turbine. Replace if required. No heating, no DHW (pump is not running) ▶ Unblock pump ( page 37). Table 28 Faults that are not shown on the display Gaz 6000 W – 6720866247 (2019/07)

  • Page 42: Appendix

     Low loss header, type:  Additional expansion vessel  Heating pump: Size/pre-charge pressure: Automatic air vent valve present?  Yes |  No  DHW cylinder/type/number/heating surface output:  System hydraulics checked, Notes: Gaz 6000 W – 6720866247 (2019/07)
  • Page 43 ___________________________________________________________ Name of service engineer __________________________________________________________ Date, user's signature Affix the test report here. ____________________________________________________________ Date, system installer's signature Table 29 Commissioning report Gaz 6000 W – 6720866247 (2019/07)

  • Page 44: Electrical Wiring

    Connection for cylinder temperature sensor (WBN 6000-.. HR) [21] Ignition transformer [10] Turbine (WBN 6000-.. CR) [11] Alarm signal connection (24 V DC, max. 40 mA) [12] 3-way valve 1) Remove jumper before making connection Gaz 6000 W – 6720866247 (2019/07)

  • Page 45: Technical Data

    (WBN 6000-.. HR / WBN 6000-.. CR) Dimensions W × H × D 400 × 700 × 299 400 × 700 × 299 400 × 700 × 299 400 × 700 × 299 Table 30 Technical Data Gaz 6000 W – 6720866247 (2019/07)
  • Page 46 Permissible ambient temperature °C 0 - 50 0 - 50 Weight (unpacked) 39/40 39/40 Dimensions W × H × D 485 × 700 × 315 485 × 700 × 315 Table 31 Technical Data Gaz 6000 W – 6720866247 (2019/07)

  • Page 47: Sensor Values

    12 171 10 000 8 269 6 881 5 759 4 847 4 101 3 488 2 981 2 559 2 207 1 912 1 662 1 451 1 272 Table 33 DHW temperature sensor Gaz 6000 W – 6720866247 (2019/07)

  • Page 48: Setting Values For Central Heating/Dhw Output

    17.5 11.3 33.4 18.8 12.9 35.9 20.3 15.0 38.7 22.0 17.4 42.0 23.5 19.7 44.8 25.0 22.2 47.6 27.0 10.8 25.6 51.4 28.0 11.6 27.5 53.3 Table 35 Setting values for WBN 6000-28 .. Gaz 6000 W – 6720866247 (2019/07)
  • Page 49 22.3 28.98 59.6 2.63 32.3 23.4 30.30 61.1 2.69 33.5 25.3 32.71 63.4 2.79 34.2 10.2 26.5 34.07 64.8 2.85 35.0 10.7 27.6 35.30 66.3 2.92 Table 36 Setting values for WBN 6000-35 .. Gaz 6000 W – 6720866247 (2019/07)
  • Page 52 Bosch Thermotechnik GmbH Junkersstrasse 20-24 D-73249 Wernau www.bosch-thermotechnology.com...

This manual is also suitable for:

Wbn 6000-24 crWbn 6000-28 hr nWbn 6000-35 l

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