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L:\Bedienanleitungen\SOREL\DR3\DR3_2003englissh_040203_mb.p65
Subject to technical changes. Illustrations do not claim completeness.
SOREL GmbH Mikroelektronik, Jahnstraße 36, D-45549 Sprockhövel, Tel.: 0 23 39/ 68 41, Fax: 0 23 39 / 60 25
10.5 Calibrating temperature sensors
Note: Usually, there are no settings to be done in this menu as
the device is adjusted to sensors Pt1000 and operates with
degree-accuracy.
However, long sensor cables or bad placement of the sensor
can lead to distortion of the measurements which can be balanced
via adjustments in this menu.
Offset S1...S3
The three sensors can be adjusted one after the other. Each
step corresponds to a change of the measurement of approx. 1/
3 °C upwards (+) or downwards(-).
Setting range:-20...+20 Default value: 0
11. Changing the operating mode
Here the operating mode of the controller can be changed
between automatic, off or manual operation. Caution: In the off
or manual operation, there is no normal control process and also
functions like solar and freeze protection as well as storage
temperature limit etc. are not in operation and the red LED flashes
to warn. After quitting the off or manual operation, the controller
returns in back to the automatic mode on its own.
Only the specialist is allowed to activate the manual operation
for control or adjustment works. The manual operation must be
quit after finishing the work for the controller to return back to the
automatic operation.
In the manual operation, relay R1 / R2 is selected via the Plus or
Minus key and is switched on / off via the Enter key.
The controller returns back to the automatic operation via the
option „Esc“ and by using the Enter key.
12. Displaying temp. values and measurements
The desired values are displayed via the Plus or Minus key and
the menu can be quit again via the Enter key.
At first, the current temperatures at sensors S1-S3 are displayed.
Afterwards, the current rotational speed stage of the solar pump
is proportionally displayed. The total running hours of the solar
pump (the relay) can be read under the displayed value „Running
hours R1“ and „Running hours R2“.
If one of the sensors is defect which is necessary for the control
function, the red LED flashes and the temperature value <-40°C
in case of a bypass or >230°C in case of an interruption is
displayed.
13. Query of service values
In case of obscurities with the control system and of errors, the
diagnosis values, which can be called up here, must be written
down at the moment of the error. Afterwards, these data can be
used e.g. for a telediagnosis by phone. The different values one
after the other are displayed by using the Plus key. The menu will
be quit via the Enter key.
05 Special function Language selection
4x
Sensor adjustment
5x
05 Special function
03 Operating mode Automatic
01 Measurements Collector 74°C
06 Service values DR3/xx-xxxxxx
15. Brief overview of the menu operation
The main menu of the DR3 consists of the six menu items which
are presented briefly in the following. Using the Plus or Minus
key, the selected menu can be chosen, and the respective menu
can be entered via the Enter key.
01 Measurements
02 Settings
03 Operating mode
04 Protection funct.
05 Special function
display menu:
- 3 temperature values
- rotational speed
stages
- running time
modulation menu:
- temp.-difference T
- storage Tmax
- start temp. Tmin
- rated values Tnom
- shift hystereses
state menu for:
- automatic operation
- manual operation
- off
modulation menu for:
- solar protect. funct.
two variations
on/off set values
storage protection
- freeze protect. funct.
release temperature
06 Service values
modulation menu for:
- programme selection
- rotational speed
control
- priority setting
- start help function
- language selection
- sensor adjustment
service menu:
- error messages
- temperature values
- operating state
07 Menu lock
lock function against
unintentional
adjustment in the
menus:
- 02 Settings
- 03 Operating mode
- 04 Protect. function
- 05 Special function
14. Locking / Releasing the modulation menus
Menus 02,03,04,05 can be protected against unintentional
adjustment. For this purpose, the item Menu lock must be called
up and the lock or release must be confirmed, if necessary. When
the menu lock is activated, the above-mentioned menua cannot
be selected. For this purpose, the lock must be released again.
Setting range:lock/release yes/no
10.4 Determining the language of the menu
The menu of the controller can be displayed in following different
languages.
Language
Setting range:German, English, French, Spanish
Default value: German
07 Menu lock Select with or
Confirm with
8


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