2 | Contents
Stainless Steel Condensing Boiler - SB625WS / SB745WS6 720 805 220 (2012/10)
Contents
1 Key to symbols and safety instructions . . . . . . . . . . . . . . . . . . 3
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 3
2 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Certification and testing mark . . . . . . . . . . . . . . . . . . . . . 5
2.3 Data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 The correct fill and make-up water . . . . . . . . . . . . . . . . . 5
2.5 The correct fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.6 Combustion Air Quality . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 System start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Making the system operational . . . . . . . . . . . . . . . . . . . . 7
3.2 Check and correct the operating pressure . . . . . . . . . . . 7
3.2.1 Checking the operating water pressure . . . . . . . . . . . . . 7
3.2.2 Filling with heating water and bleeding the system . . . . 7
3.3 Starting up the control panel and the burner . . . . . . . . . 7
4 Shutting down the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.1 Switching off the control panel and the burner . . . . . . . 8
4.2 Shutting down the system in an emergency . . . . . . . . . . 8
5 System maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1 Why is regular maintenance important? . . . . . . . . . . . . . 9
5.2 Ordinary analysis and checking, frequency and sampling
points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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