Instruction/ maintenance manual of the product W11B Bosch
Go to page of 8
6 720 607 527 ZA (05.02) JS W1 1 ..B ... W1 4..B ... W1 8..B ... With electronic ignition and triple safety system consist ing of ionis at ion det ect or , flue gas monit or and heat exchanger t emperat ure sensor . Safety instructions: If you smell gas: - Do not operate any electrical switches.
2 6 720 607 527 2.5 Gas connection ................................................................. 5 2.6 Flue ....................................................................................... 5 2. 7 Commissioning ..............................
3 6 720 607 527 1 .5 Dimensions Fig. 2 1 .6 Appliance design Fig. 3 1 . Heat exchanger 2. Ionisation detector 3. Main burner 4. Injector 5a. T esting point for burner pressure 5b. T esting point for supply pressure 6. Slow ignition valve 7 . T emperature control 8.
4 6 720 607 527 1 . 7 Circuit diagram Fig. 4 1 .8 T echnic al charact erist ics * H i 1 5°C - 1 0 1 3 mbar - dr y : Natural gas 34.2 MJ/m 3 (9.5 kWh/m 3 ) LP G : But ane 45.
5 6 720 607 527 2. Preconditions for installation The appliance can only be sold in the countries mentioned in the type plate. 2. 1 Regulations Any local by-laws and regulations pertaining to installation and use of gas-heated appliances must be observed.
6 6 720 607 527 3. Operation and maintenance Sealed parts must not be interfered with. 3. 1 Function This water heater is fitted with automatic electronic ignition that provides for easy commissioning. All that is required is to press the On/Off switch (Fig.
7 6 720 607 527 3.7 T roubleshoot ing Inst allation , ser vicing and repairs may only be carried out by an approved engineer. The following table illustrates only a few solutions to straightforward problems.
T urn on all gas and wat er t aps Purge air from pipes If the red LE D st arts flashing , replace batteries Switching on/off Press “ “ switch to switch appliance on/off G667_092 Fig.
An important point after buying a device Bosch W11B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Bosch W11B yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Bosch W11B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Bosch W11B you will learn all the available features of the product, as well as information on its operation. The information that you get Bosch W11B will certainly help you make a decision on the purchase.
If you already are a holder of Bosch W11B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Bosch W11B.
However, one of the most important roles played by the user manual is to help in solving problems with Bosch W11B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Bosch W11B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
