Vaillant VRC 430f Installation Manual download pdf (Page 13)

13Operating Manual VRC 430 0020042468_02

08:00 12:00

15 °

20 °

25 °

Room temperature

Time

Period

08:00 12:00

15 °

20 °

25 °

Time

Period

Set back

temperature

Room temperature

Fig. 4.11 Period of validity of changed set target value

(here: Target room temperature

The top diagram in Fig. 4.11 shows a programmed period

(see Chapter 4.7.1) with the associated room set tem-

perature (21 °C).

The lower diagram, the bar marked (1), shows that the

target room target value is changed (20 °C). This target

value is maintained until the start of the new period.

From here (2) the control system uses the room set tar-

get value of the time window (21 °C).

At (3) the room set target value is set (17 °C).

The control system applies this value until the end of

this period (4).

After this period, the control system reverts to the set-

back temperature (15 °C).

Note!

The same applies to the hot water target value.

4.5 Operator level, Expert technician level

The VRC 430 controller has two operating levels. Each

level contains several display screens where the param-

eters can be displayed, set or changed.

– Operating level for the operator

This is used to display, set/change the basic parame-

ters. The parameters can be set/changed by an un-

skilled operator and during normal operation.

– Operating level for the expert technician

This is used to display and set/change specific param-

eters and is restricted to the expert technician.

4.6 Screens in the operating level for the

operator

The screens in the operation level for operators are ar-

ranged the same sequence as shown in table 4.4. below.

This table shows the parameters which can be set and

changed.

Examples of this can be seen in chapter 4.7 below.

To access the first "basic data" screen at operator level

from the simplified basic view:

⇒ Click one or both dials.

This will take you to the basic display.

⇒ Turn the left-hand dial clockwise one or two posi-

tions (clicks).

Day of week

12 : 00

> Set day of week



21 . 06 . 06

Basic data

Date

Time

Summer/winter time changeover

Auto

Fig. 4.12 "Basic data" screen (Example: selecting the day of

the week)

Turn the left-hand dial again to jump from one screen to

the next.

If additional components are installed and controlled by

the VRC 430, the display screens listed in table 4.4 will

contain the additional screens as required, e.g. 3 or

Operation 4

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 39 40

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