Operating the appliance
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Worcester 2000 – 6 721 814 552 (2019/09)
4.3 Screen display
Fig. 6 Screen display
Table 3
The heating and hot water system has been set up by the installer to its
optimum settings.
▶ It is advised to make a note of these settings before adjusting so that
you can return to these optimum settings in the future.
4.4 Setting the flow temperature
The maximum flow temperature can be adjusted between 30 °C
and 82 °C. The current flow temperature is shown on the display.
▶ Press the ( key.
The set maximum flow temperature is displayed.
▶ Press arrow key or to set the required maximum flow
temperature.
▶ Press the OK key to save. Otherwise the setting will be saved
automatically after 3 seconds.
The display shows the current flow temperature.
The ( symbol flashes in the display in heating mode. The B symbol
also appears if the burner is active.
4.5 Setting the DHW heating
4.5.1 Set DHW temperature
DHW temperature:
▶ Press the * key.
The set DHW temperature is displayed.
▶ Press arrow key or to set the required DHW temperature
▶ Press the OK key to save. Otherwise the setting will be saved
automatically after 3 seconds.
The display shows the current flow temperature.
The * symbol flashes in the display in DHW mode. The B symbol also
appears if the burner is active.
4.5.2 Setting comfort mode or ECO mode
In comfort mode, the appliance is continually maintained at the set
temperature. This means there will be a shorter delay when drawing
DHW. However, the device will switch on even if no DHW is being drawn.
In ECO mode, heating-up to the set temperature begins as soon as the
DHW is being drawn.
In Eco mode, to reduce water usage:
▶ Briefly open and close the DHW tap.
The water is heated once to the set temperature.
▶ To set ECO mode: press eco until eco appears in the display.
▶ To return to comfort mode: press the eco key until eco vanishes from
the display.
4.6 Setting summer mode
The heating pump and consequently the heating are switched off in
summer mode. The DHW supply and also the power supply for heating
controls and timer remain active.
NOTICE:
Risk of the system freezing.
Frost protection is not available in summer mode.
▶ If there is a risk of frost, exit summer mode ( Chapter 6.1).
To activate summer mode:
▶ Press the ( key.
▶ Keep pressing the arrow key until appears in the display.
▶ Press the OK key to save. Otherwise the setting will be saved
automatically after 3 seconds.
] is permanently displayed.
Further notices can be found in the operating instructions for the heating
control.
Key Explanation
[1] Digital display
• Displays a temperature or appliance status/diagnostic code.
[2] Central heating (CH)
• ( Heating mode On
• ] Heating mode Off
[3] Fault indicator
• Displays during a fault condition.
[4] Burner operation
• Displays when the appliance is firing during a CH/DHW
mode.
[5] Internet connected (accessory)
• Displays when compatible controller is connected to the
appliance (not used).
[6] Radio link connected (accessory)
• Displays when compatible controller is connected to the
appliance.
[7] Chimney sweep mode
• Displays during service when the appliance is set to
maximum or minimum output.
[8] Service mode
• Displays when a qualified service engineer is in the service
menus.
[9] Eco mode active
• Displays when in Economy mode (DHW Pre-heat/comfort
function is turned off)
[10] Domestic hot water (DHW)
• * Hot water mode On
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