Operation
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Greenstar 1000 – 6721835944 (2023/08)
4Operation
These operating instructions describe the operation of the gas-fired
condensing boiler. Therefore please also observe the operating
instructions for the user interface.
4.1 Switching on/off the appliance
Switching on
After initial power-up of the appliance, the appliance will initiate siphon
fill mode.
When and the flow temperature appear alternately on the display,
the appliance remains at minimum heat output for 15 minutes to fill the
condensate trap.
Switching off
NOTICE
Risk of damage to the system from frost!
The heating system can freeze after a prolonged period (e.g. during a
power failure, switching off the power supply, faulty fuel supply,
appliance fault etc.).
▶ Ensure that the heating system is in constant use (particularly when
there is a risk of frost).
Frost protection for the heating system is only ensured if the heating
pump is operational and is pumping heating water through the entire
system.
▶ Leave the heating switched on.
▶ Set the time control to constant ON and set the room thermostat to
12 °C.
The anti-seizing function is not active when the appliance is switched off.
The anti-seizing function prevents the heating pump and the diverter
valve from seizing up following long periods of inactivity.
4.2 Control panel overview
Fig. 4
[1] Display
[2] ( Heating mode on/off, set the maximum flow temperature
[3] * Hot water mode, adjusting the hot water temperature (press
the button 3s for eco mode)
[4] Chimney sweep mode
[5] Save settings
[6] Return/back
[7] : To navigate through menus and decrease settings
[8] : To navigate through menus and increase settings
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