Special functions (additional menu)9
76 Operating instructions RC30 programmable room thermostat • Issue 02/2006
We reserve the right to make any changes due to technical modifications.
9.12 Setting the preheat phase for a gas-operated heat pump
(not in the UK)
If a gas-operated heat pump (Loganova GWP) is installed in your
heating system, we recommend that you set a preheat phase. This
setting has no effect on other devices.
During the preheat phase the heat pump unit preheats the heating
system without the peak load boiler. The continuous running of the
heat pump generally increases the overall efficiency and saves
more energy than a reduction in the room temperature.
The preheat phase starts at the preset time before the day mode
of the first heating circuit.
z Open the additional menu (see Chapter 9.1 "Opening and
using the additional menu", page 57).
Using the dial select "ADD MENU HP PREHEAT".
Press the "Display" button.
You are now in the "HP PREHEAT" menu.
USER NOTE
Should the statutory dates change, set summer/winter time
changeover to "NO".
Then change the time manually (see Chapter 8.5 "Setting the
time", page 34).
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