6
2.3 Menu
"READINGS"
By pushing the OK button within the menu
"READINGS"
you can fetch the various temperatures of the sensors
installed. Moreover, the controller stores minimum and maximum temperature values of the collector, storage tank
top and storage tank bottom. These values can be reset just as the solar circulation pump‘s operating hours over a
certain period of time or the measured heat quantity (using the function calorimetry). Please note that only the delta
values at the second job will be deleted. (d hours; greek delta = difference). The total value (greek
∑
= total value)
cannot be lost and will be summed up over the complete lifetime of the controller. Resetting the difference value „d“
can be achieved by pushing the OK button for 2 sec.
2.4 Menu
"ADJUSTMENTS"
The submenu of the configurated values are protected against unauthorized or unintentional use. If you intend to
change them, press OK
and
MENU for 2 sec
at the same time
. Submenus like parameters, functions or manual
operation can be selected via the OK button. By pushing the MENU button you get back to a higher menu.
Changing the
“PARAMETERS”
values:
1. select parameter with button
2. press OK for 2 sec
3. change the value with button
4. leave parameter menu by pressing OK for 2 sec
Changing the “
FUNCTIONS”
configuration:
1. select function with button
2. press OK for 2 sec
“MANUAL OPERATION”
manual switch of output R1
1. select output R1 or R2 with button
2. press OK for 2 sec
Initialization of all parameters and functions to the preset manufactured status:
1. select
menu
"initialisation preset configuration"
2. press OK for 2 sec
Attention!
Readings and parameters will only be displayed when the corresponding function has actually been selected
within the menu
"FUNCTIONS"
.
Example: Selecting the function calorimetry
It is only now that the temperatures T4, T5 and the measured calorimetry appears in the menu READINGS. Moreover,
within the menu Parameter you may change the volume flow dispenser´s pulse valency configuration and the
proportion of mixture of the heat transfer medium.
In the appendix you will find diagrams that give an overview on potential additional configuration parameters and/or
reading indications after selecting an additional controller function.
Note:
All functions are listed in detail in paragraph 3 of these operating instructions. In order to exclude operation
faults you should be sure to have understood the connection and the usage of the corresponding function
BEFORE changing it.
3
System controller for thermal solar systems with monitoring functions
3.1
Overall function of the system controller in the solar system
The controller is a temperature difference controller driven by microprocessors and is used for monitoring and
controlling thermal solar systems and, if wanted, am accessory heating system or circulation pump.
The microprocessor takes all important readings, calculates the control function and controls the servo components of
the system. Beside controlling the system the controller also undertakes important monitoring and safety functions.
The controller has 5 analog inputs for measuring the temperature, a digital impuls input point and 2 outputs for
triggering circulation pumps. For this purpose we have integrated a timer with 3 possible times.
The controller can be used in connection with various system concepts. A collector temp. sensor (T1), a storage temp.
sensor (T2) in the bottom storage area for the limitation of the max. stored temperature and a storage sensor in the
top storage area (T3) for additional temperature indication or for triggering a heat system pump, are standard system
components. For triggering a circulation pump you can - in additon to the adjustable time intervals - also utilize the
temperature sensor (paragraph 3.2.7).
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