Turning The Central Heating Off During The Summer; Appliance Frost Protection - Bosch Worcester Greenstar Ri ErP + Series User Instructions

4.1.3 Turning the central heating off during the summer

Do not switch the appliance off at the mains power switch or mains fused spur.
▶ To turn your central heating off during warm periods:
▶ Set the programmer to OFF
– Please refer to the programmer manufacturer's instructions.
-or-
▶ Turn the room thermostat temperature down to minimum.

4.1.4 Appliance frost protection

If you are leaving your property unoccupied during cold weather, please leave your programmer on constant and your room
thermostat set to 15°C.
▶ If the temperature within the appliance falls below 8°C the pump will run to circulate water and prevent the system freezing.
– If the temperature does not rise to 9°C within 30 minutes of the pump operating, the appliance will fire up to provide heat
to bring the temperature up.
▶ If the temperature within the appliance falls below 5°C the appliance will fire, bringing the appliance temperature up to 25°C to
avoid the possibility of the system freezing.
▶ This process will be repeated until such time that the appliance temperature does not drop below 5°C.
Greenstar Ri ErP + - 6 720 821 669 (2018/06)
Controls
11