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Commissioning
▶ Manually vent all radiators, tighten when completed and check the
system for any leaks and correct if required.
▶ Top up the system pressure if the pressure drops below 1 bar.
▶ Isolate and remove filling loop connections to the system.
6.2.2
Adjusting the operating pressure of the heating system
Display on the pressure gauge
1 bar
Minimum charge pressure (when system is cold)
1 - 1.5 bar
Optimal charge pressure
3 bar
Maximum charge pressure at maximum heating
water temperature must not be exceeded (pressure
relief valve opens).
Table 15
If the pressure gauge is below 1 bar when the system is cold:
▶ Top up the water until the indicator is between 1 bar and 1.5 bar
again.
If pressure is not being maintained:
▶ Check tightness of expansion vessel and heating system.
6.3
Starting the appliance
NOTICE:
Damage to appliance or system!
Running the appliance:
▶ Never run the appliance when the appliance/system is empty or
partially filled.
6.3.1
Control panel overview
7
eco
6
5
Fig. 60 Control panel
[1]
Display
and keys: To navigate through menus and increase/decrease
[2]
settings
[3]
d key: Return/back
[4]
OK key: Save settings, Chimney sweeper key (Service Engineer
function): press 5 seconds for chimney sweeper mode
[5]
eco key: Hot water preheat selection (only available if the optional
integral diverter valve kit is fitted)
[6]
Hot water key: Adjusting the hot water temperature (only available
if the optional integral diverter valve kit is fitted)
[7]
Heating key: Heating mode on, set the maximum flow
temperature
40
1
reset
ok
5 sec
3
4
0010021505-001
6.3.2
Turn on the appliance
Set the language the first time the appliance is turned on.
▶ To scroll through the languages, press the or the key.
▶ To select the desired language, press the OK key.
When the symbol
the siphon filling program is active. The condensate siphon in the
appliance is filled ( Chapter 6.3.3).
6.3.3
Siphon filling mode, manual activation/de-activation
The siphon filling mode is activated automatically or manually by the
installer on the appliance.
▶ Press the (key and the * key simultaneously, until L.A will be
displayed.
▶ Press the key repeatedly, until L.4 will be displayed.
▶ Press ok to confirm.
▶ Select and adjust service function 4-A2.
The siphon filling mode is activated automatically in the following cases:
• The appliance is switched on using the On/Off switch.
• The burner was not in use for at least 28 days.
• After switching from summer to winter mode.
• After a reset.
The next time there is a heat requirement for heating, the appliance is
held at low thermal output for 15 minutes. The siphon filling mode
remains active until the appliance has completed 15 minutes of
operation with increased min. capacity.
During the siphon filling program, the symbol
with the flow temperature on the display.
The siphon filling mode is interrupted when the chimney sweep mode is
started.
6.4
Chimney sweep mode
You have 15 minutes to take your measurements or to make your
settings. After this time the appliance returns to normal operation.When
running in the chimney sweep mode, the appliance will operate both the
central heating and the domestic hot water circuits. This is to allow
2
sufficient time for this part of the commissioning procedure. It will be
necessary to run water through the domestic hot water circuit to ensure
that the appliance will not overheat whilst in chimney sweep mode.
In chimney sweep mode the rated output of the appliance can be
selected.
▶ Press the OK key until the countdown is completed and the symbol
appears.
▶ Set the desired rated output min and max using the or the keys.
The value is accepted after 2 seconds.
▶ To exit the chimney sweep mode, press the d key.
Adjustment with casing removed in chimney sweep mode
1. Set the chimney sweep mode and start up the appliance at maximum
rated output.
2. Set the chimney sweep mode and set the appliance at minimum rated
output.
appears alternately with the flow temperature,
appears alternately
Greenstar 8000 Life – 6720883858 (2019/02)
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