Special Operating Modes - Vaillant VRT 350f Operating Instructions Manual

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Installation instructions manual (36 pages)

Installation manual (36 pages)

Installation instructions manual (40 pages)

Table Of Contents

Table of Contents

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5 Operating and display functions

5.3.2 Modes for hot water production

The operating mode for hot water generation corresponds

to the heating circuit operating mode that has been set. You

cannot set a different operating mode.

5.3.2.1 Automatic mode

The automatic mode controls the hot water generation in

accordance with the set desired temperature for Hot wa-

ter circuit and the set time periods. In the Timer programs

function, you have set time periods for hot water gener-

ation. If you have not set any time periods, the controller

uses the time period set in the factory settings for hot wa-

ter generation.

Within the time period, hot water generation is switched on

and maintains the hot water in the DHW cylinder at the pre-

set temperature. Outside the period, hot water generation is

switched off.

5.3.2.2 Summer mode

The summer mode controls the hot water generation in ac-

cordance with the set desired temperature for Hot water

circuit and the set time periods. In the Timer programs

function, you have set time periods for hot water gener-

ation. If you have not set any time periods, the controller

uses the time period set in the factory settings for hot wa-

ter generation.

Within the time period, hot water generation is switched on

and maintains the hot water in the DHW cylinder at the pre-

set temperature. Outside the period, hot water generation is

switched off.

5.3.2.3 Comfort mode

The comfort mode controls the hot water generation in ac-

cordance with the set desired temperature for Hot water

circuit without taking time periods into account.

5.3.2.4 Set-back mode

Hot water generation is switched off and the frost protec-

tion function is activated.

5.3.2.5 System off

Hot water generation is switched off and the Frost protec-

tion function is active.

5.4