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Operating manual for the auroMATIC 620 Controller 0020094404_0022
The second graphic display graphically represents the
current solar gain.
Turn the left knob
one click to the right.
The display switches to the second graphic display and
shows the following graphics:
Fig. 5.2 Graphic display: Solar gain
When a probe for measuring the gain is connected, the
actual solar gain is displayed graphically.
The solar gain is displayed in kWh for each month of the
current year (black bars), compared to the previous
year (unfilled bars).
The displayed value (1231 kWh in the example) indicates
the total solar gain since start-up/reset.
The value for the solar gain can now be reset to zero
(¬ Chap. 5.5). The graphic does not change as a result.
i
If there is no probe connected for measuring
the gain, the controller will not be able to
determine and display the solar gain.
i
If the controller is fitted with a VPM S or VMS
solar pump unit, the solar gain is transmitted
directly via eBUS to the controller. The sen-
sor for measuring the gain is not then
required.
5.3 Setting parameters in the basic display
When the controller shows the graphic display, turn
the left hand knob two clicks to the right.
The display is showing the basic display.
Wed 02.12.09 15:43 -3 °C
Room temperature 20 °C
HK1
Heating 22 °C
Storey 1 Eco
20 °C
Cylinder Auto 60 °C
Solar Auto
VRS 620
Fig. 5.3 Basic display
The parameters highlighted on a grey background (ope-
rating mode, target temperatures) can be individually
set in the basic display.
>
>
The basic data consisting of day of the week, date, time
of day and outside temperature are always shown in the
upper area of the display.
When thermostatic control is activated, the measured
room temperature is shown in the second line of the
display.
i
If a room temperature sensor is fitted, the
thermostatic control will be activated by the
heating engineer when commissioning the
heating installation.
You can set the day, date and time in Menu 1
(¬ Chap. 5.4).
The outside temperature (-3 °C in the example) is
measured by the external sensor and transmitted to the
controller. The current room temperature (20 °C in the
example) is measured by the room temperature sensor
and transmitted to the controller.
The settable parameters are displayed below the basic
data:
for each heating circuit
the operating mode set,
target room temperature (for the displayed hea-
ting circuit)
for the cylinder
the operating mode set,
target cylinder temperature (hot water temperature)
i
The number of heating circuits your control-
ler displays in the basic display depends on
the configuration of your heating installation.
5 Operation
24


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