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Commissioning
51
Greenstar FS/Combi FS – 6 720 810 590 (2020/04)
8
Commissioning
Fig. 57 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]
System water pressure gauge
[10]
DHW temperature control
[11]
Blank panel for optional programmer
[12]
Heating temperature control
8.1
Before operating the appliance
NOTICE:
Appliance damage
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.
▶ Adjust the expansion (tank) vessel pre-charge pressure to the static
head of the heating system (
▶ Manually open radiator and or 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 KBR..-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.
8.2
Switching the appliance ON/OFF
Startup
▶ Switch the appliance ON using the ON/OFF switch.
The display indicates the supply temperature of the hot water in °F. If
necessary, convert to °C (
Service function 0.E: Metric or US
customary units,
page 61)
Fig. 58 Switching the appliance ON/OFF
6720810590-14.1W
o
11
12
10
1
2
3
4
5
6
7
8
9
max
1
2
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6
6 720 613 896-05.1O