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Worcester-Bosch Greenstar 4000 GR4700i System Manual

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Operation
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Greenstar 4000 – 6 720 891 171 (2020/09)
Heating/DHW via time program (Key control accessories)
Time programs are available with Key control accessories fitted. If a time
program is available and the heating/DHW mode is set on Auto press the
ok key to select Once.
Auto: Heating/DHW mode is switched on and off according to
programmed times.
Once: Switch to Once to move to the next central heating/DHW on or off
time.
4.7 Operating the menu
Opening and closing the menu
▶ To open the menu, press the key.
▶ To exit the menu, press the key again.
-or-
▶ Press the d key.
Changing the setting values
▶ To highlight a menu item, press the key or the key.
▶ Select the menu item with the ok key.
▶ To change the value, press the or key.
▶ Press the ok key.
The new value is saved.
Exiting the menu without saving values
▶ Press the d key.
4.8 Settings in the menu
The factory settings are highlighted in the following table.
Table 6 Settings Menu
Menu item Function definition
Heating mode1) •On
• Auto: Activate time program.
• Once: Heating is on from the first programmed on time
to the last programmed off time without off periods.
•Off
Heat. time prog.1) Timer for heating: Weekday(s) selection, day program and
timer adjustment (5.1 "Setting the time program",
page 12)1)
DHW operation2) •On
•Auto
1): Activate time program.
•Once
1): Heating the cylinder is on from the first
programmed on time to the last programmed off time
without programmed intermissions.
Eco/Preheat • Eco: Appliance will heat the cylinder if the temperature
falls approximately 10 °C below the set temperature for
hot water.
• Preheat: Appliance will heat the cylinder if the
temperature is approximately 5°C below the set
temperature for hot water.
DHW time prog.1) Timer for hot water: Weekday(s) selection, day program
and timer adjustment (5.1 "Setting the time program",
page 12).
Boiler status Current system values including the pressure indicator.
Information The current system values and the active operating
conditions can be called up in the Information menu.
Changes are not possible.
• System pressure
• Hot water Temp. (DHW temperature reading shown
when the diverter valve kit is fitted. If not fitted, the
menu will correctly display “----”)
• Weather comp. (where fitted)
• Key (Type of installed Key is shown e.g. “Comfort + RF
key”)
Energy consump. Display Gas consumption
• Last 24h
• Last 30 days
Settings • Time: Set the current time.1)
• Date: Set the current date.1)
•Parental lock
–On
–Off
•Display
– Switch off after: Set the time after which the
display is switched off.
– Brightness: Set the display brightness.
• Key illum.
• Language: Change the language of the menu and the
menu items.
•Units
1)
Cleaning funct. Boiler keypad is disabled for 15 seconds.
Emergency mode3) • On: Set the desired heating flow temperature by
pressing back or menu key after selecting On.
•Off
1) Only available with installed Key (accessories)
2) Domestic Hot Water temperature and adjustment is only available if an optional
integral diverter valve kit is fitted
3) Allows manual control of heating during loss of Radio Frequency (RF) Key signal
Menu item Function definition
… 11 …


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