Bosch ZBR28-3A - 7 Commissioning

58 | Commissioning
Copyright (optional information)6 720 643 068 (2011/06)
7 Commissioning
Fig. 53 Overview of the controls
1 Emissions test button
2 Service button
3 Burner operation indicator lamp
4 ON/OFF power switch
5 Key pad lock
6 ECO button
7 Reset button
8 Display
9 Automatic air vent (ZWB..-3A combi boilers only)
10 Boiler water pressure gauge
11 DHW thermostat
12 Safety relief valve discharge hose
13 Condensate drain hose
14 Heating return pipe
15 Cold water pipe (ZWB..-3A combi boilers only)
16 Gas pipe
17 DHW pipe (ZWB..-3A combi boilers only)
18 Supply pipe
19 Boiler high limit dial
eco
reset
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