Special Operating Modes - Vaillant VRT 350f Installation Instructions Manual

5.3.2.3 Comfort mode
The comfort mode controls the hot water generation in ac-
cordance with the set desired temperature for DHW circuit
without taking time periods into account.
5.3.2.4 Set-back mode
Hot water generation is switched off and the Frost protection
function is active.
5.3.2.5 System off
Hot water generation is switched off and the Frost protection
function is active.
5.4

Special operating modes

The advanced functions can be activated directly from any
mode using the right-hand selector button Operating mode.
The path details given at the start of each advanced function
description indicate how you can access this advanced func-
tion in the menu structure.
5.4.1 Cylinder boost
Operating mode → Cylinder boost
–
If you have switched off hot water generation or require
hot water outside a time period, activate the Cylinder
boost advanced function. The advanced function heats
the water in the domestic hot water cylinder once, until
the set desired Hot water circuit temperature is reached
24
or until you cancel the advanced function early. The heat-
ing system will then return to the pre-set mode.
5.4.2 Party
Operating mode → Party function
–
If you want to switch on the heating circuit and hot water
generation temporarily, e.g. during a party, activate the
advanced function Party.
This means you do not need to change the settings on the
heating system for short periods of time. The advanced func-
tion brings the room temperature to the set desired Day tem-
perature, in accordance with the set time periods.
If the display shows Party function active, you can use the
rotary knob to set the desired Day temperature for the heat-
ing circuit.
The advanced function is deactivated when the next time
period is reached or if you cancel the advanced function
early. The heating system will then return to the pre-set
mode.
5.4.3 1 day away from home
Operating mode → 1 Day away from home
–
If you are only away from home for one day, e.g. for a
day trip, activate the 1 Day away from home advanced
function. This means you do not need to change the time
periods that you have set by increasing the room temper-
ature during the day, for example. This advanced func-
Operating instructions 0020131979_01