Domestic Hot Water Preheat Mode Manual Activation (Eco Mode Off); Domestic Hot Water Preheat Mode Timed Activation, With Facia Timer Or External Timer Connected (Eco Mode Off); Turn Off The Heat Requirement Demand; Light (Blue) - Worcester Greenstar 25i ErP 47-406-60 User Instructions

3.3.5 Domestic hot water preheat mode manual activation (Eco mode off)

Eco mode active [1]:
▶ Press the eco button (approximately 1 second) to enter the Preheat mode, when Preheat mode is active, "Preheat" will be
displayed [2].
▶ To exit Preheat mode and return to Eco, press the eco button (approximately 1 second), Eco will be displayed [3].
1
Eco
Fig. 9 Manual activation of preheat/eco mode

3.3.6 Domestic hot water preheat mode timed activation, with facia timer or external timer connected (eco mode off)

When a twin channel programmer is fitted/connected, the Preheat/Eco option can be selected via the programmer.
• Programmer hot water channel ON periods:
– Preheat mode is active and indicated on the appliance display[2].
• Programmer hot water channel OFF periods:
– Eco mode active and indicated on the appliance display [1] & [3].
1
Eco
Fig. 10 Timed activation of Preheat/Eco mode
3.3.7 Turn off the heat requirement demand light (blue)
You may choose to deactivate the heat requirement demand light. Please ask your installer to set-up this feature.
The light will still flash to alert you to a possible fault, but will not activate during a heat requirement demand for heating or hot water.
Greenstar i - 6 720 806 946 (2015/03)
ErP
2
Preheat
2
Preheat
3
Eco
3
Eco
Controls
17