
Commissioning
Greenstar – 6721822579 (2021/01)
50
8
Commissioning
Fig. 62 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
1
2
3
4
5
6
7
8
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11
10
12
13
15
16
18
19
14
6 720 641 933-25.1O
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