Commissioning
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51
6 720 806 992 (2015/03)
Greenstar
8
Commissioning
Fig. 60 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
8.1
Before operating the appliance
▶ Adjust the expansion vessel pre-charge pressure to the static head of
the heating system (
page 33).
▶ Open radiator and zone valves (as applicable).
▶ Open heating supply and return valves, fill heating system to 14.5 to
21.75 psi (1 - 1.5 bar) and close fill valve.
▶ Bleed all air from the system.
▶ If the boiler water pressure has dropped, fill the heating system again
to 14.5 to 21.75 psi (1 to 1.5 bar).
▶ On ZBR..-3A appliances (heating boilers) with a DHW tank, open the
cold water supply and open a DHW tap until water runs out.
▶ Verify that the gas type specified on the rating plate is the same as the
gas type used.
▶ Open the gas cock.
eco reset
1
2
3
4
5
6
7
8
9
11
10
12
13
15
16
18
19
14
6 720 641 933-25.1O
17
NOTICE:
Commissioning without being properly filled
and purged will damage the appliance.
▶ Only operate this appliance after ensuring there is
sufficient water in the boiler and the system.
Summary of Contents for Greenstar
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