Operating Modes - Vaillant VRT 350f Operating Instructions Manual

5.3

Operating modes

Use the right-hand selector button, Operating mode to set
the mode directly.
The path details given at the start of each mode description
indicate how you reach this mode in the menu structure.
5.3.1 Operating modes for the heating circuit
5.3.1.1 Automatic mode
Operating mode → Automatic mode
– The automatic mode controls the heating circuit in ac-
cordance with the set desired temperature and the set
time periods.
Within the time periods, the controller brings the room
temperature to the set desired Day temperature (Comfort
mode).
Outside the time period, the controller brings the room tem-
perature to the set desired Set-back temperature (Set-back
mode).
5.3.1.2 Summer mode
Operating mode → Summer mode
– The heating function is switched off for the heating cir-
cuit and the frost protection function is active.
0020131979_00 VRT 350f Operating instructions
Operating and display functions 5
The hot water generation controls the controller in accord-
ance with the time period that has been set for this pur-
pose.
5.3.1.3 Comfort mode
Operating mode → Comfort mode
– The Comfort mode operating mode brings the heating
circuit to the set desired day temperature, without tak-
ing account of a time period.
5.3.1.4 Set-back mode
Operating mode → Set-back mode
– The Set-back mode operating mode controls the heating
circuit to the set desired Set-back temperature, without
taking time periods into consideration.
5.3.1.5 System OFF
Operating mode → System OFF
– The heating function is switched off. The frost protection
function is activated.
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