System; Starting The Appliance; Control Panel Overview; Turn On The Appliance - Worcester Greenstar 8000 Life Series Installation And Maintenance Instructions Manual

Commissioning
▶ Re-pressurise the system.
– Pull the lever [1] down to start the filling process.
▶ When the pressure, shown on the display, reaches between the 1 and
1.5 bar,
– Release the lever [1] to stop the filling process.
▶ Top up the system pressure, if as a result of the air bleeding the
pressure drops off.
1
eco
!
bar
%
kWh
Fig. 59
If the display reads more than 1.5 bar as a result of over filling:
▶ Bleed one radiator until the pressure, shown on the display, returns
to between 1 and 1.5 bar.
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.
38
1
eco
!
bar
%
kWh
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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
[6] Hot water key: Adjusting the hot water temperature
[7] Heating key: Heating mode on, set the maximum flow
temperature
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 appears alternately with the flow temperature,
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.
Greenstar 8000 Life – 6720883865 (2019/02)
1
reset
ok
5 sec
3
4
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2