Bosch WR11 series Installation Manual download pdf

6 720 607 884 (2009/05) GB

WR8..P...

WR11..P...

With piezo ignition and double safety system

consisting of flue gas monitor and heat

exchanger temperature sensor.

Safety instructions:

If you smell gas:

- Do not operate any electrical switches.

- Do not telephone from inside the danger area.

- Turn off the gas cock.

- Open windows and ventilate room.

- From outside, call the gas company and your approved

installer.

Do not use or store easily combustible materials in the vicinity

of the appliance.

Gas Instantaneous Water Heater

Installation Manual and Operating Instructions

Installation and servicing of the appliance may only be

carried out by an approved technician.

The appliance should be regularly serviced in order to ensure

that it remains in perfect and safe working order.

If there is a risk of freezing, the appliance must be switched

off and drained. If the appliance has not been drained during

a cold spell, when it is switched on again check that it

produces hot water. If problems occur, contact your installer

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Summary of Contents

Page 1 - WR11..P

6 720 607 884 (2009/05) GBWR8..P...WR11..P...With piezo ignition and double safety systemconsisting of flue gas monitor and heatexchanger temperature

Page 2 - Contents

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Page 3 - 36 720 607 884

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Page 4 - 1.6 Technical characteristics

4. OperationTurn on all gas and water tapsPurge air from pipesOutput ControlFig. 7Turning control anti-clockwiseincreases water flow rate andreduces w

Page 5 - Appliance Minimum area

2 6 720 607 8842.5 Gas connection ... 52.6 Flue...

Page 6 - 6 6 720 607 884

36 720 607 8841.4 DimensionsFig. 21.5 Appliance designFig. 31. Heat exchanger2. Main burner3. Injector4. Slow ignition valve5. Temperature control6. V

Page 7 - 3. Operation and maintenance

4 6 720 607 8841.6 Technical characteristics* Hi 15°C - 1013 mbar - dry : LPG: Butane 45.7 MJ/kg (12.7 kWh/kg) Propane 46.4 MJ/kg (12.9 kWh/kg)** This

Page 8 - Problem Cause Solution

56 720 607 8842. Preconditions for installationThe appliance can only be sold in the countries mentionedin the type plate.2.1 RegulationsGas safety (i

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6 6 720 607 8842.6 FlueIt is absolutely essential that all instantaneous water heatersare connected to a suitably dimensioned flue pipe by meansof a g

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76 720 607 8843.4 MaintenanceThe appliance should only be serviced by an approvedengineer.A complete overhaul should be carried out after two years.Th

Page 11 - 116 720 607 884

8 6 720 607 8843.8 TroubleshootingInstallation, servicing and repairs may only be carried out by an approved engineer.The following table illustrates

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