Vaillant auroMATIC VRS 560 Installation Manual download pdf (Page 5)

5Operating Manual auroMATIC 560

a temperature of at least 68 °C has been maintained for

a period of 30 minutes.

The heating engineer activates the anti-Legionnaire’s

disease protection in the installer level and specifies

whether the heating process should take place at 3:30

p.m. or at 4:00 a.m. (if the electricity is cheaper then).

4.6 Anti-seize protection for pumps

If no pumping has occurred for 23 hours, all installed

pumps are switched on for approx. 3 seconds to prevent

pumps from seizing.

4.7 Circulation

If you only have one collector array connected, a circula-

tion pump can be connected to the controller. You can

specify up to three heating windows for the circulation

pump in the timer program (see Sec. 5.4.4). Set up the

time program so that the circulation pump only operates

at times when you expect a supply of hot water will be

needed. Otherwise the circulation pump operates unnec-

essarily and inadvertently cools down the cylinder.

4.8 Calendar

The controller is equipped with a calendar so that it can

automatically adjust for daylight-savings time. To acti-

vate it, simply enter the current date in the installer

level.

Note!

In the event of a power failure, the controller

only has a power reserve of 30 minutes. After

30 minutes, the internal clock stops and the

calender will not automatically resume function

once power has been restored. In this case the

time and date will need to be reset.

4.9 Controlling activation duration

Activation duration controlling serves to keep the solar

circuit at the activation value, and thus in operation, for

as long as possible. The pump is switched on and off in

periodical bursts depending on the difference between

the collector temperature and lower cylinder sensor.

When the activation difference is reached, the function

is started (if activated) with an activation duration of

50 % - i.e., the pump is switched on for 30 seconds and

then switched off for 30 seconds. If the difference in

temperature increases, the activation duration is pro-

longed (e.g., 45 sec. on, 15 sec. off). When the difference

in temperature decreases, the activation duration is

reduced (e.g., 20 sec. on, 40 sec. off). The period length

is always a minute.

Activation duration control is activated in the installer

level.

4.10 Special functions

Please refer to Sec. 5.6 for information on how to acti-

vate the following special functions.

4.10.1 Party function

When the party function is activated, the reheating func-

tion is enabled. This means that the set target value for

the cylinder will be maintained by reheating if necessary.

4.10.2 One-time reheating

When this function is activated, the cylinder tempera-

ture is reheated to the set level one time.

4.10.3 Holiday function

When this function is activated, the operating

mode is switched to “Off” for the set holiday period (1 to

99 days). This deactivates both the solar heating and

the reheating function.

5 Operation

5.1 Operating the controller

The controller has a display which consists of symbols,

and was designed according to the Vaillant “turn and

click” concept. You can call up and set values by turning

the dial. You can also click the dial in order to call up val-

ues within an operating level. You can access the operat-

ing and display levels with the three selection buttons.

To prevent operating errors, the programming button

must be held down for approx. three seconds to reach

the installer level.

5.2 Overview of the control elements

Fig. 5.1 Controls

Key

1 Display

2 Dial (turn and click)

i Info button

F Special functions button

P Programming button

Functions 4

Operation 5

1 2 3 4 5 6 7 8 9 10 ... 35 36

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Vaillant auroMATIC VRS 560 Installation Manual Page 5

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