Operation And Function; Flashing Codes - STIEBEL ELTRON SOM 7 PLUS Bedienung Und Installation

2.6 Operation and function

Back-
wards
2 1
3
SET
(selection / setting mode)
The three pushbuttons under the display are
used to operate the control unit. Button 1 is
used to scroll forward through the display
menu or to increase the setting values. Button
2 is used for the opposite function.
For setting in accordance with the last display
channel, hold down button 1 for approx.
2 seconds. If the display indicates a set value,
the display shows . By pressing key 3, the
SET
system can be changed over into input mode.
- Use buttons 1 and 2 to select the channel
- Briefly press pushbutton 3; display then
flashes ( mode)
SET SET
- Use buttons 1 and 2 to select the required
value
- Briefly press pushbutton 3;
SET
continusously and the set value is saved
Resetting to factory settings: In selection
channel ANL, reselect the appropriate system
by means of the set mode and confirm again.
Any previously modified values are then reset
to their factory settings.
2.6.1 Display
The system monitoring display comprises three
segments: The FKDQQHO GLVSOD\, the V\PERO
EDU and the V\VWHP VFUHHQ (active system
diagram).
"
"
Channel display
The channel display consists of two lines.
The upper display line is an alphanumeric
16-segment display. Here, mainly channel
names/menu options are displayed. Channel
values and setting parameters are displayed in
the lower 7 segment display.
Temperatures and temperature differentials are
displayed stating whether the unit is °C or K.
Symbol bar
The additional symbols of the symbol bar show
the current system status.
For-
wards
Status
Relay 1 active
Relay 2 active
Maximum cylinder
temperature exceeded
Cylinder emergency
stop active
Collector emergency
stop active
Collector cooling active
System cooling active
Cylinder cooling active
Holiday cooling func-
tion activated
Holiday cooling func-
tion active
Collector minimum
limit enabled
Frost protection func-
tion activated
Frost protection func-
tion active
Manual mode, relay
1 ON
Manual mode, relay
reapears
2 ON
Manual mode, relay
1/2 OFF
Sensor faulty
Collector 1
Valve
Pumps
Cylinder heat exchanger
System screen
The system screen (active system diagram)
shows the diagrams selected at the controller.
It consists of several system component
symbols that are - subject to system status -
flashing, permanently displayed or hidden.
Standard Flashing
+
+
+

2.6.2 Flashing codes

System screen flashing codes
- Pumps flash during the start-up phase
/
- Sensors flash if the associated sensor
+
display channel is selected on the display
- Sensors flash quickly if the sensor is faulty
+
- The burner symbol flashes if reheating is
enabled
LED flashing codes
Continuous green
Red/green flashing Initialisation phase
Red flashing
Sensors Collector 2 Sensor, cylinder, top
"
Cylinder 2 or reheating (with auxiliary symbol)
Cylinder
Collectors
with collector sensor.
Cylinders 1 and 2
with internal
indirect coils.
Three-way valves
Only the flow direction
or the current switching
position are indicated.
Temperature sensor
Heating circuit
Pump
Reheating
with burner symbol.
Everything OK
Manual mode
Sensor faulty (sensor
symbol flashing
quickly)
Heating circuit
Valve
"
Sensor
Auxiliary symbol
Burner mode
37