Vaillant VRC 630, Руководство по эксплуатации

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3.3 Overview of functions
The controller provides the following options for con-
trolling your heating installation and hot water genera-
tion:
Off
Heating installation switched off or hot water genera-
tion with active frost protection
One-time Cylinder Charging
Allows the DHW cylinder to charge up once, indepen-
dently of the current timer programme
Holiday function/ Holiday programme
Individual control of the room temperature during your
absence;
only in the
Auto and Eco operating modes
Frost protection function
Protection from frost damage in the Off and Eco
modes (outside the time window);
The boiler must remain switched on
Heating curve
The basis of weather compensation; improves the mat-
ching of the heating output to the outside temperatures
Advance
Allows you to continue the heating and hot water times
beyond the next switch-off time up to the next heating
start.
Energy saving function
Allows the target room temperature to be reduced for a
set period
Weather compensation
Automatic changing of the heating water temperature
(flow temperature) depending on the outside tempera-
ture by means of a heating curve
Time window
Individually settable time settings for the heating instal-
lation, the hot water generation and the operation of a
circulation pump
3.4 Operating modes
By setting the operating mode, you determine the con-
ditions under which the assigned heating circuit or hot
water circuit will be controlled.
CH circuit
Operating
mode
Effect
Auto The heating circuit is operated alternately in Hea-
ting and Energy Saving mode according to a pre-
set timer programme.
Eco The heating circuit is operated alternately in Hea-
ting and Off mode according to a pre-set timer
programme.
The
heating circuit is switched off during the set-back
period if the frost protection function (depending
on the outside temperature) is not activated.
The frost protection is effective outside the set
time window (
¬ Chap. 5.2 ).
Heating The heating is regulated at the daytime set room
temperature.
Energy save The heating circuit is regulated at the nighttime
set room temperature.
Off The heating circuit is off if the frost protection
function (depending on the external temperature)
is not activated.
Symbol Meaning
If the symbol is displayed after the Eco or Auto
mode, a time window is active. The heating instal-
lation is producing heat.
If the symbol is displayed after the
mode, no time window is active.
The heating installation is in set-back mode.
Table 3.3 Operating modes for heating circuits
Circulation circuit and hot water circuit
Operating
mode
Effect
Auto The commands for charging the DHW cylinder or
for enabling the circulation pump are given accor-
ding to a preset timer programme.
On The charging of the DHW cylinder is constantly
enabled. When required, the cylinder is recharged
immediately. The circulation pump is constantly in
operation.
Off No charging of the DHW cylinder takes place. The
circulation pump is not operating.
Exception: If the temperature in the DHW cylinder
falls below 12 °C, the cylinder is reheated to 17 °C
(frost protection).
Table 3.4 Operating modes for the circulation circuit and the
hot water circuit
i
If Holiday is displayed instead of the opera-
ting mode, the holiday programme is active.
When the holiday programme is active, the
operating mode cannot be set. It will be
necessary to end the holiday programme to
do this.
3 Description of the device
8
Operating manual VRC 630 0020095108_00