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8
Commissioning
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2
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Fig. 54 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: 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 ( page 32).
▶ 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.
Greenstar FS
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5
11
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7
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▶ 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 60)
Fig. 55 Switching the appliance ON/OFF
Commissioning | 49
9
6 720 810 590 (2015/05)
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