en
7
3
Operation
3.1
Buttons
The controller is operated via the 3 buttons next to
the display.They have the following functions:
• Button 1: scrolling backwards through the menu
or increasing adjustment values
• Button 2: scrolling forwards through the menu or
decreasing adjustment values
• Button 3: changing into the adjustment mode
or confirm
In order to access the adjustment mode, scroll down
in the display menu and press button 2 for approx. 3
seconds after you have reached the last display item.
If an adjustment value is shown on the display, the
icon is displayed. Briefly press button 3 in order
to access the adjustment mode
3.2
Selecting channels and adjusting values
Î
Select the requested channel using buttons 1 and 2
Î
Briefly press button 3,
flashes (adjustment
mode)
Î
Adjust the value by pressing buttons 1 and 2
Î
Briefly press button 3, so that
permanently
appears; the adjusted value will be saved.
3.3
System-Monitoring-Display
The system monitoring display consists of three
blocks: channel display, tool bar and system
screen.
Channel display
3.3.1 Channel display
The channel display consists of 2 lines. The upper
line is an alpha-numeric 16-segment display (text dis-
play) for displaying channel names and menu items. In
the lower 7-segment display, channel values and the
adjustment parameters are displayed.
Temperatures and temperature differences in °C and
K are displayed with the unit. If the indication is set to
°F and °Ra, the units are not displayed.
Status
normal
flashing
Relay 1 active
Relay 2 active
Maximum store limitation acti-
ve / maximum store temperature
exceeded
Collector cooling function active
Store cooling function active
Antifreeze function activated
Collector minimum limitation
active / antifreeze funtion active
Collector emergency shutdown
active or emergency shutdown
of the store
Sensor fault S1 / S2 / S3
Manual operation relay 1 active
+
Manual operation relay 2 active
+
An adjustment channel is being
changed - adjustment mode
Tool bar
3
1
2
3.3.2 Tool bar
The additional symbols in the tool bar indicate the
current system state.